i915_dma.c revision 2906f0258770d3a9c4e65364df8acc904e148bbe
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* i915_dma.c -- DMA support for the I915 -*- linux-c -*- 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 30d6aa60b4ac9689b750e35cd66f5d7c053aff0f4Dave Airlie/* 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * All Rights Reserved. 6bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * 7bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * Permission is hereby granted, free of charge, to any person obtaining a 8bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * copy of this software and associated documentation files (the 9bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * "Software"), to deal in the Software without restriction, including 10bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * without limitation the rights to use, copy, modify, merge, publish, 11bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * distribute, sub license, and/or sell copies of the Software, and to 12bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * permit persons to whom the Software is furnished to do so, subject to 13bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * the following conditions: 14bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * 15bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * The above copyright notice and this permission notice (including the 16bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * next paragraph) shall be included in all copies or substantial portions 17bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * of the Software. 18bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * 19bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 20bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 21bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 22bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 23bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 24bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 25bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 26bc54fd1ad3c5972be339a08528ab631326ed2b38Dave Airlie * 270d6aa60b4ac9689b750e35cd66f5d7c053aff0f4Dave Airlie */ 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "drmP.h" 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "drm.h" 3179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes#include "drm_crtc_helper.h" 3279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes#include "intel_drv.h" 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "i915_drm.h" 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "i915_drv.h" 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Really want an OS-independent resettable timer. Would like to have 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * this loop run for (eg) 3 sec, but have the timer reset every time 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the head pointer changes, so that EBUSY only happens if the ring 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * actually stalls for (eg) 3 seconds. 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4184b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airlieint i915_wait_ring(struct drm_device * dev, int n, const char *caller) 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 447c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_ring_buffer_t *ring = &(dev_priv->ring); 46d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard u32 acthd_reg = IS_I965G(dev) ? ACTHD_I965 : ACTHD; 47d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard u32 last_acthd = I915_READ(acthd_reg); 48d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard u32 acthd; 49585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes u32 last_head = I915_READ(PRB0_HEAD) & HEAD_ADDR; 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 52d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard for (i = 0; i < 100000; i++) { 53585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR; 54d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard acthd = I915_READ(acthd_reg); 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ring->space = ring->head - (ring->tail + 8); 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ring->space < 0) 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ring->space += ring->Size; 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ring->space >= n) 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 617c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie if (master_priv->sarea_priv) 627c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT; 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ring->head != last_head) 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = 0; 66d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard if (acthd != last_acthd) 67d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard i = 0; 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds last_head = ring->head; 70d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard last_acthd = acthd; 71d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard msleep_interruptible(10); 72d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7520caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EBUSY; 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 78398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard/** 79398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard * Sets up the hardware status page for devices that need a physical address 80398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard * in the register. 81398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard */ 823043c60c485ad694392d3f71bd7ef9f5c5f7cfddEric Anholtstatic int i915_init_phys_hws(struct drm_device *dev) 83398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard{ 84398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard drm_i915_private_t *dev_priv = dev->dev_private; 85398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard /* Program Hardware Status Page */ 86398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard dev_priv->status_page_dmah = 87398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff); 88398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard 89398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard if (!dev_priv->status_page_dmah) { 90398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard DRM_ERROR("Can not allocate hardware status page\n"); 91398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard return -ENOMEM; 92398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard } 93398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr; 94398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr; 95398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard 96398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard memset(dev_priv->hw_status_page, 0, PAGE_SIZE); 97398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard 98398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard I915_WRITE(HWS_PGA, dev_priv->dma_status_page); 99398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard DRM_DEBUG("Enabled hardware status page\n"); 100398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard return 0; 101398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard} 102398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard 103398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard/** 104398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard * Frees the hardware status page, whether it's a physical address or a virtual 105398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard * address set up by the X Server. 106398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard */ 1073043c60c485ad694392d3f71bd7ef9f5c5f7cfddEric Anholtstatic void i915_free_hws(struct drm_device *dev) 108398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard{ 109398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard drm_i915_private_t *dev_priv = dev->dev_private; 110398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard if (dev_priv->status_page_dmah) { 111398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard drm_pci_free(dev, dev_priv->status_page_dmah); 112398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard dev_priv->status_page_dmah = NULL; 113398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard } 114398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard 115398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard if (dev_priv->status_gfx_addr) { 116398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard dev_priv->status_gfx_addr = 0; 117398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard drm_core_ioremapfree(&dev_priv->hws_map, dev); 118398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard } 119398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard 120398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard /* Need to rewrite hardware status page */ 121398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard I915_WRITE(HWS_PGA, 0x1ffff000); 122398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard} 123398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard 12484b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airlievoid i915_kernel_lost_context(struct drm_device * dev) 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 1277c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie struct drm_i915_master_private *master_priv; 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_ring_buffer_t *ring = &(dev_priv->ring); 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes /* 13179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * We should never lose context on the ring with modesetting 13279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * as we don't expose it to userspace 13379e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes */ 13479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes if (drm_core_check_feature(dev, DRIVER_MODESET)) 13579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes return; 13679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 137585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR; 138585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR; 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ring->space = ring->head - (ring->tail + 8); 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ring->space < 0) 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ring->space += ring->Size; 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1437c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie if (!dev->primary->master) 1447c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie return; 1457c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie 1467c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie master_priv = dev->primary->master->driver_priv; 1477c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie if (ring->head == ring->tail && master_priv->sarea_priv) 1487c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie master_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY; 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15184b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airliestatic int i915_dma_cleanup(struct drm_device * dev) 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 153ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes drm_i915_private_t *dev_priv = dev->dev_private; 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Make sure interrupts are disabled here because the uninstall ioctl 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * may not have been called from userspace and after dev_private 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * is freed, it's too late. 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 158ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt if (dev->irq_enabled) 159b5e89ed53ed8d24f83ba1941c07382af00ed238eDave Airlie drm_irq_uninstall(dev); 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 161ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes if (dev_priv->ring.virtual_start) { 162ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes drm_core_ioremapfree(&dev_priv->ring.map, dev); 1633043c60c485ad694392d3f71bd7ef9f5c5f7cfddEric Anholt dev_priv->ring.virtual_start = NULL; 1643043c60c485ad694392d3f71bd7ef9f5c5f7cfddEric Anholt dev_priv->ring.map.handle = NULL; 165ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes dev_priv->ring.map.size = 0; 166ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes } 167dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu 168398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard /* Clear the HWS virtual address at teardown */ 169398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard if (I915_NEED_GFX_HWS(dev)) 170398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard i915_free_hws(dev); 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 175ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnesstatic int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 177ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes drm_i915_private_t *dev_priv = dev->dev_private; 1787c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1803a03ac1a0223f779a3de313523408ddb099e5679Dave Airlie master_priv->sarea = drm_getsarea(dev); 1813a03ac1a0223f779a3de313523408ddb099e5679Dave Airlie if (master_priv->sarea) { 1823a03ac1a0223f779a3de313523408ddb099e5679Dave Airlie master_priv->sarea_priv = (drm_i915_sarea_t *) 1833a03ac1a0223f779a3de313523408ddb099e5679Dave Airlie ((u8 *)master_priv->sarea->handle + init->sarea_priv_offset); 1843a03ac1a0223f779a3de313523408ddb099e5679Dave Airlie } else { 1853a03ac1a0223f779a3de313523408ddb099e5679Dave Airlie DRM_DEBUG("sarea not found assuming DRI2 userspace\n"); 1863a03ac1a0223f779a3de313523408ddb099e5679Dave Airlie } 1873a03ac1a0223f779a3de313523408ddb099e5679Dave Airlie 188673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt if (init->ring_size != 0) { 189673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt if (dev_priv->ring.ring_obj != NULL) { 190673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt i915_dma_cleanup(dev); 191673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt DRM_ERROR("Client tried to initialize ringbuffer in " 192673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt "GEM mode\n"); 193673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt return -EINVAL; 194673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt } 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 196673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt dev_priv->ring.Size = init->ring_size; 197673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 199673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt dev_priv->ring.map.offset = init->ring_start; 200673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt dev_priv->ring.map.size = init->ring_size; 201673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt dev_priv->ring.map.type = 0; 202673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt dev_priv->ring.map.flags = 0; 203673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt dev_priv->ring.map.mtrr = 0; 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 205673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt drm_core_ioremap(&dev_priv->ring.map, dev); 206673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt 207673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt if (dev_priv->ring.map.handle == NULL) { 208673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt i915_dma_cleanup(dev); 209673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt DRM_ERROR("can not ioremap virtual address for" 210673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt " ring buffer\n"); 211673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt return -ENOMEM; 212673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt } 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->ring.virtual_start = dev_priv->ring.map.handle; 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 217a6b54f3f5050c0cbc0c35dd48064846c6302706bMichel Dänzer dev_priv->cpp = init->cpp; 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->back_offset = init->back_offset; 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->front_offset = init->front_offset; 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->current_page = 0; 2217c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie if (master_priv->sarea_priv) 2227c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie master_priv->sarea_priv->pf_current_page = 0; 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Allow hardware batchbuffers unless told otherwise. 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->allow_batchbuffer = 1; 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23184b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airliestatic int i915_dma_resume(struct drm_device * dev) 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 235bf9d89295233ae2ba7b312c78ee5657307b09f4cHarvey Harrison DRM_DEBUG("%s\n", __func__); 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dev_priv->ring.map.handle == NULL) { 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("can not ioremap virtual address for" 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds " ring buffer\n"); 24020caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -ENOMEM; 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Program Hardware Status Page */ 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dev_priv->hw_status_page) { 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("Can not find hardware status page\n"); 24620caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 250dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu if (dev_priv->status_gfx_addr != 0) 251585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr); 252dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu else 253585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes I915_WRITE(HWS_PGA, dev_priv->dma_status_page); 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_DEBUG("Enabled hardware status page\n"); 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 259c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstatic int i915_dma_init(struct drm_device *dev, void *data, 260c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt struct drm_file *file_priv) 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 262c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt drm_i915_init_t *init = data; 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int retcode = 0; 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 265c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt switch (init->func) { 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I915_INIT_DMA: 267ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes retcode = i915_initialize(dev, init); 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I915_CLEANUP_DMA: 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retcode = i915_dma_cleanup(dev); 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I915_RESUME_DMA: 2730d6aa60b4ac9689b750e35cd66f5d7c053aff0f4Dave Airlie retcode = i915_dma_resume(dev); 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 27620caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt retcode = -EINVAL; 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return retcode; 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Implement basically the same security restrictions as hardware does 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * for MI_BATCH_NON_SECURE. These can be made stricter at any time. 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Most of the calculations below involve calculating the size of a 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * particular instruction. It's important to get the size right as 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * that tells us where the next instruction to check is. Any illegal 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * instruction detected will be given a size of zero, which is a 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * signal to abort the rest of the buffer. 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int do_validate_cmd(int cmd) 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (((cmd >> 29) & 0x7)) { 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x0: 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch ((cmd >> 23) & 0x3f) { 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x0: 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; /* MI_NOOP */ 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x4: 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; /* MI_FLUSH */ 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; /* disallow everything else */ 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x1: 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; /* reserved */ 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x2: 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (cmd & 0xff) + 2; /* 2d commands */ 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x3: 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (((cmd >> 24) & 0x1f) <= 0x18) 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch ((cmd >> 24) & 0x1f) { 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x1c: 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x1d: 317b5e89ed53ed8d24f83ba1941c07382af00ed238eDave Airlie switch ((cmd >> 16) & 0xff) { 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x3: 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (cmd & 0x1f) + 2; 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x4: 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (cmd & 0xf) + 2; 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (cmd & 0xffff) + 2; 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x1e: 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cmd & (1 << 23)) 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (cmd & 0xffff) + 1; 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x1f: 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((cmd & (1 << 23)) == 0) /* inline vertices */ 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (cmd & 0x1ffff) + 2; 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (cmd & (1 << 17)) /* indirect random */ 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((cmd & 0xffff) == 0) 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; /* unknown length, too hard */ 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (((cmd & 0xffff) + 1) / 2) + 1; 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 2; /* indirect sequential */ 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int validate_cmd(int cmd) 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret = do_validate_cmd(cmd); 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 354bc5f4523f772cc7629c5c5a46cf4f2a07a5500b8Dave Airlie/* printk("validate_cmd( %x ): %d\n", cmd, ret); */ 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 35984b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airliestatic int i915_emit_cmds(struct drm_device * dev, int __user * buffer, int dwords) 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RING_LOCALS; 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 365de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie if ((dwords+1) * sizeof(int) >= dev_priv->ring.Size - 8) 36620caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 367de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie 368c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane BEGIN_LP_RING((dwords+1)&~1); 369de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < dwords;) { 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int cmd, sz; 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i], sizeof(cmd))) 37420caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((sz = validate_cmd(cmd)) == 0 || i + sz > dwords) 37720caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(cmd); 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (++i, --sz) { 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i], 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sizeof(cmd))) { 38420caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(cmd); 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 390de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie if (dwords & 1) 391de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie OUT_RING(0); 392de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie 393de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie ADVANCE_LP_RING(); 394de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 398673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholtint 399673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholti915_emit_box(struct drm_device *dev, 400673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt struct drm_clip_rect __user *boxes, 401673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt int i, int DR1, int DR4) 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 404c60ce623bd16137627009d05e311d877729f2ad6Dave Airlie struct drm_clip_rect box; 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RING_LOCALS; 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (DRM_COPY_FROM_USER_UNCHECKED(&box, &boxes[i], sizeof(box))) { 40820caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EFAULT; 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (box.y2 <= box.y1 || box.x2 <= box.x1 || box.y2 <= 0 || box.x2 <= 0) { 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("Bad box %d,%d..%d,%d\n", 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds box.x1, box.y1, box.x2, box.y2); 41420caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 417c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane if (IS_I965G(dev)) { 418c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane BEGIN_LP_RING(4); 419c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING(GFX_OP_DRAWRECT_INFO_I965); 420c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING((box.x1 & 0xffff) | (box.y1 << 16)); 42178eca43d0391f59c3b1505bb7bd38ff45b650aabAndrew Morton OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16)); 422c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING(DR4); 423c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane ADVANCE_LP_RING(); 424c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane } else { 425c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane BEGIN_LP_RING(6); 426c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING(GFX_OP_DRAWRECT_INFO); 427c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING(DR1); 428c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING((box.x1 & 0xffff) | (box.y1 << 16)); 429c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16)); 430c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING(DR4); 431c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING(0); 432c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane ADVANCE_LP_RING(); 433c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane } 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 438c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane/* XXX: Emitting the counter should really be moved to part of the IRQ 439c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane * emit. For now, do it in both places: 440c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane */ 441c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane 44284b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airliestatic void i915_emit_breadcrumb(struct drm_device *dev) 443de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie{ 444de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie drm_i915_private_t *dev_priv = dev->dev_private; 4457c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; 446de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie RING_LOCALS; 447de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie 448c99b058f132388a666544d293392d52d1def6b12Kristian Høgsberg dev_priv->counter++; 449af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie if (dev_priv->counter > 0x7FFFFFFFUL) 450c99b058f132388a666544d293392d52d1def6b12Kristian Høgsberg dev_priv->counter = 0; 4517c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie if (master_priv->sarea_priv) 4527c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie master_priv->sarea_priv->last_enqueue = dev_priv->counter; 453de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie 454de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie BEGIN_LP_RING(4); 455585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes OUT_RING(MI_STORE_DWORD_INDEX); 4560baf823a10bd4131f70e9712d1f02de3c247f1dfKeith Packard OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT); 457de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie OUT_RING(dev_priv->counter); 458de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie OUT_RING(0); 459de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie ADVANCE_LP_RING(); 460de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie} 461de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie 46284b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airliestatic int i915_dispatch_cmdbuffer(struct drm_device * dev, 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_cmdbuffer_t * cmd) 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int nbox = cmd->num_cliprects; 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i = 0, count, ret; 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cmd->sz & 0x3) { 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("alignment"); 47020caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i915_kernel_lost_context(dev); 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count = nbox ? nbox : 1; 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < count; i++) { 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i < nbox) { 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = i915_emit_box(dev, cmd->cliprects, i, 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cmd->DR1, cmd->DR4); 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ret) 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = i915_emit_cmds(dev, (int __user *)cmd->buf, cmd->sz / 4); 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ret) 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 490de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie i915_emit_breadcrumb(dev); 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 49484b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airliestatic int i915_dispatch_batchbuffer(struct drm_device * dev, 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_batchbuffer_t * batch) 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 498c60ce623bd16137627009d05e311d877729f2ad6Dave Airlie struct drm_clip_rect __user *boxes = batch->cliprects; 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int nbox = batch->num_cliprects; 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i = 0, count; 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RING_LOCALS; 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((batch->start | batch->used) & 0x7) { 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("alignment"); 50520caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i915_kernel_lost_context(dev); 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count = nbox ? nbox : 1; 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < count; i++) { 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i < nbox) { 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret = i915_emit_box(dev, boxes, i, 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds batch->DR1, batch->DR4); 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ret) 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5200790d5e148c0747499742a3c09ba5f1c07f9ed0dKeith Packard if (!IS_I830(dev) && !IS_845G(dev)) { 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BEGIN_LP_RING(2); 52221f16289270447673a7263ccc0b22d562fb01ecbDave Airlie if (IS_I965G(dev)) { 52321f16289270447673a7263ccc0b22d562fb01ecbDave Airlie OUT_RING(MI_BATCH_BUFFER_START | (2 << 6) | MI_BATCH_NON_SECURE_I965); 52421f16289270447673a7263ccc0b22d562fb01ecbDave Airlie OUT_RING(batch->start); 52521f16289270447673a7263ccc0b22d562fb01ecbDave Airlie } else { 52621f16289270447673a7263ccc0b22d562fb01ecbDave Airlie OUT_RING(MI_BATCH_BUFFER_START | (2 << 6)); 52721f16289270447673a7263ccc0b22d562fb01ecbDave Airlie OUT_RING(batch->start | MI_BATCH_NON_SECURE); 52821f16289270447673a7263ccc0b22d562fb01ecbDave Airlie } 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_LP_RING(); 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BEGIN_LP_RING(4); 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_BATCH_BUFFER); 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(batch->start | MI_BATCH_NON_SECURE); 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(batch->start + batch->used - 4); 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(0); 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_LP_RING(); 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 540de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie i915_emit_breadcrumb(dev); 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 545af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airliestatic int i915_dispatch_flip(struct drm_device * dev) 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 5487c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie struct drm_i915_master_private *master_priv = 5497c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie dev->primary->master->driver_priv; 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RING_LOCALS; 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5527c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie if (!master_priv->sarea_priv) 553c99b058f132388a666544d293392d52d1def6b12Kristian Høgsberg return -EINVAL; 554c99b058f132388a666544d293392d52d1def6b12Kristian Høgsberg 555af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n", 55680a914dc05683ecfc98f9e1887fd6564846ffbecHarvey Harrison __func__, 557af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie dev_priv->current_page, 5587c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie master_priv->sarea_priv->pf_current_page); 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 560af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie i915_kernel_lost_context(dev); 561af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie 562af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie BEGIN_LP_RING(2); 563585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes OUT_RING(MI_FLUSH | MI_READ_FLUSH); 564af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(0); 565af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie ADVANCE_LP_RING(); 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 567af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie BEGIN_LP_RING(6); 568af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP); 569af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(0); 570af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie if (dev_priv->current_page == 0) { 571af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(dev_priv->back_offset); 572af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie dev_priv->current_page = 1; 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 574af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(dev_priv->front_offset); 575af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie dev_priv->current_page = 0; 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 577af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(0); 578af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie ADVANCE_LP_RING(); 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 580af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie BEGIN_LP_RING(2); 581af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP); 582af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(0); 583af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie ADVANCE_LP_RING(); 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5857c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie master_priv->sarea_priv->last_enqueue = dev_priv->counter++; 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BEGIN_LP_RING(4); 588585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes OUT_RING(MI_STORE_DWORD_INDEX); 5890baf823a10bd4131f70e9712d1f02de3c247f1dfKeith Packard OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT); 590af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(dev_priv->counter); 591af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(0); 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_LP_RING(); 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5947c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie master_priv->sarea_priv->pf_current_page = dev_priv->current_page; 595af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie return 0; 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 59884b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airliestatic int i915_quiescent(struct drm_device * dev) 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i915_kernel_lost_context(dev); 603bf9d89295233ae2ba7b312c78ee5657307b09f4cHarvey Harrison return i915_wait_ring(dev, dev_priv->ring.Size - 8, __func__); 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 606c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstatic int i915_flush_ioctl(struct drm_device *dev, void *data, 607c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt struct drm_file *file_priv) 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 609546b0974c39657017407c86fe79811100b60700dEric Anholt int ret; 610546b0974c39657017407c86fe79811100b60700dEric Anholt 611546b0974c39657017407c86fe79811100b60700dEric Anholt RING_LOCK_TEST_WITH_RETURN(dev, file_priv); 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 613546b0974c39657017407c86fe79811100b60700dEric Anholt mutex_lock(&dev->struct_mutex); 614546b0974c39657017407c86fe79811100b60700dEric Anholt ret = i915_quiescent(dev); 615546b0974c39657017407c86fe79811100b60700dEric Anholt mutex_unlock(&dev->struct_mutex); 616546b0974c39657017407c86fe79811100b60700dEric Anholt 617546b0974c39657017407c86fe79811100b60700dEric Anholt return ret; 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 620c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstatic int i915_batchbuffer(struct drm_device *dev, void *data, 621c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt struct drm_file *file_priv) 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; 6247c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) 6267c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie master_priv->sarea_priv; 627c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt drm_i915_batchbuffer_t *batch = data; 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret; 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dev_priv->allow_batchbuffer) { 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("Batchbuffer ioctl disabled\n"); 63220caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_DEBUG("i915 batchbuffer, start %x used %d cliprects %d\n", 636c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt batch->start, batch->used, batch->num_cliprects); 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 638546b0974c39657017407c86fe79811100b60700dEric Anholt RING_LOCK_TEST_WITH_RETURN(dev, file_priv); 6391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 640c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt if (batch->num_cliprects && DRM_VERIFYAREA_READ(batch->cliprects, 641c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt batch->num_cliprects * 642c60ce623bd16137627009d05e311d877729f2ad6Dave Airlie sizeof(struct drm_clip_rect))) 64320caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EFAULT; 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 645546b0974c39657017407c86fe79811100b60700dEric Anholt mutex_lock(&dev->struct_mutex); 646c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt ret = i915_dispatch_batchbuffer(dev, batch); 647546b0974c39657017407c86fe79811100b60700dEric Anholt mutex_unlock(&dev->struct_mutex); 6481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 649c99b058f132388a666544d293392d52d1def6b12Kristian Høgsberg if (sarea_priv) 6500baf823a10bd4131f70e9712d1f02de3c247f1dfKeith Packard sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 654c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstatic int i915_cmdbuffer(struct drm_device *dev, void *data, 655c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt struct drm_file *file_priv) 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; 6587c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) 6607c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie master_priv->sarea_priv; 661c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt drm_i915_cmdbuffer_t *cmdbuf = data; 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret; 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n", 665c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects); 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 667546b0974c39657017407c86fe79811100b60700dEric Anholt RING_LOCK_TEST_WITH_RETURN(dev, file_priv); 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 669c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt if (cmdbuf->num_cliprects && 670c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_VERIFYAREA_READ(cmdbuf->cliprects, 671c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt cmdbuf->num_cliprects * 672c60ce623bd16137627009d05e311d877729f2ad6Dave Airlie sizeof(struct drm_clip_rect))) { 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("Fault accessing cliprects\n"); 67420caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EFAULT; 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 677546b0974c39657017407c86fe79811100b60700dEric Anholt mutex_lock(&dev->struct_mutex); 678c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt ret = i915_dispatch_cmdbuffer(dev, cmdbuf); 679546b0974c39657017407c86fe79811100b60700dEric Anholt mutex_unlock(&dev->struct_mutex); 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ret) { 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("i915_dispatch_cmdbuffer failed\n"); 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 685c99b058f132388a666544d293392d52d1def6b12Kristian Høgsberg if (sarea_priv) 6860baf823a10bd4131f70e9712d1f02de3c247f1dfKeith Packard sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 690c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstatic int i915_flip_bufs(struct drm_device *dev, void *data, 691c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt struct drm_file *file_priv) 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 693546b0974c39657017407c86fe79811100b60700dEric Anholt int ret; 694546b0974c39657017407c86fe79811100b60700dEric Anholt 69580a914dc05683ecfc98f9e1887fd6564846ffbecHarvey Harrison DRM_DEBUG("%s\n", __func__); 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 697546b0974c39657017407c86fe79811100b60700dEric Anholt RING_LOCK_TEST_WITH_RETURN(dev, file_priv); 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 699546b0974c39657017407c86fe79811100b60700dEric Anholt mutex_lock(&dev->struct_mutex); 700546b0974c39657017407c86fe79811100b60700dEric Anholt ret = i915_dispatch_flip(dev); 701546b0974c39657017407c86fe79811100b60700dEric Anholt mutex_unlock(&dev->struct_mutex); 702546b0974c39657017407c86fe79811100b60700dEric Anholt 703546b0974c39657017407c86fe79811100b60700dEric Anholt return ret; 7041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 706c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstatic int i915_getparam(struct drm_device *dev, void *data, 707c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt struct drm_file *file_priv) 7081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 710c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt drm_i915_getparam_t *param = data; 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int value; 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dev_priv) { 7143e684eae586a9b210a4517da5637a255b1ff5a92Márton Németh DRM_ERROR("called with no initialization\n"); 71520caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 718c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt switch (param->param) { 7191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I915_PARAM_IRQ_ACTIVE: 7200a3e67a4caac273a3bfc4ced3da364830b1ab241Jesse Barnes value = dev->pdev->irq ? 1 : 0; 7211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I915_PARAM_ALLOW_BATCHBUFFER: 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds value = dev_priv->allow_batchbuffer ? 1 : 0; 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7250d6aa60b4ac9689b750e35cd66f5d7c053aff0f4Dave Airlie case I915_PARAM_LAST_DISPATCH: 7260d6aa60b4ac9689b750e35cd66f5d7c053aff0f4Dave Airlie value = READ_BREADCRUMB(dev_priv); 7270d6aa60b4ac9689b750e35cd66f5d7c053aff0f4Dave Airlie break; 728ed4c9c4acf948b42b138747fcb8843ecb1a24ce4Kristian Høgsberg case I915_PARAM_CHIPSET_ID: 729ed4c9c4acf948b42b138747fcb8843ecb1a24ce4Kristian Høgsberg value = dev->pci_device; 730ed4c9c4acf948b42b138747fcb8843ecb1a24ce4Kristian Høgsberg break; 731673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt case I915_PARAM_HAS_GEM: 732ac5c4e76180a74c7f922f6fa71ace0cef45fa433Dave Airlie value = dev_priv->has_gem; 733673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt break; 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 735c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_ERROR("Unknown parameter %d\n", param->param); 73620caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 739c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt if (DRM_COPY_TO_USER(param->value, &value, sizeof(int))) { 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("DRM_COPY_TO_USER failed\n"); 74120caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EFAULT; 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 747c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstatic int i915_setparam(struct drm_device *dev, void *data, 748c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt struct drm_file *file_priv) 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 751c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt drm_i915_setparam_t *param = data; 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dev_priv) { 7543e684eae586a9b210a4517da5637a255b1ff5a92Márton Németh DRM_ERROR("called with no initialization\n"); 75520caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 7561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 758c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt switch (param->param) { 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I915_SETPARAM_USE_MI_BATCHBUFFER_START: 7601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY: 762c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt dev_priv->tex_lru_log_granularity = param->value; 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I915_SETPARAM_ALLOW_BATCHBUFFER: 765c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt dev_priv->allow_batchbuffer = param->value; 7661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 768c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_ERROR("unknown parameter %d\n", param->param); 76920caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 7731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 775c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstatic int i915_set_status_page(struct drm_device *dev, void *data, 776c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt struct drm_file *file_priv) 777dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu{ 778dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu drm_i915_private_t *dev_priv = dev->dev_private; 779c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt drm_i915_hws_addr_t *hws = data; 780b39d50e53b1bb27f6c29f88a697a4af78427dffdZhenyu Wang 781b39d50e53b1bb27f6c29f88a697a4af78427dffdZhenyu Wang if (!I915_NEED_GFX_HWS(dev)) 782b39d50e53b1bb27f6c29f88a697a4af78427dffdZhenyu Wang return -EINVAL; 783dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu 784dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu if (!dev_priv) { 7853e684eae586a9b210a4517da5637a255b1ff5a92Márton Németh DRM_ERROR("called with no initialization\n"); 78620caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 787dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu } 788dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu 78979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes if (drm_core_check_feature(dev, DRIVER_MODESET)) { 79079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes WARN(1, "tried to set status page when mode setting active\n"); 79179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes return 0; 79279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes } 79379e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 794c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt printk(KERN_DEBUG "set status page addr 0x%08x\n", (u32)hws->addr); 795c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt 796c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt dev_priv->status_gfx_addr = hws->addr & (0x1ffff<<12); 797dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu 7988b40958032fd236194de57d29be9cf2c1f2643eeEric Anholt dev_priv->hws_map.offset = dev->agp->base + hws->addr; 799dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu dev_priv->hws_map.size = 4*1024; 800dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu dev_priv->hws_map.type = 0; 801dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu dev_priv->hws_map.flags = 0; 802dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu dev_priv->hws_map.mtrr = 0; 803dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu 804dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu drm_core_ioremap(&dev_priv->hws_map, dev); 805dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu if (dev_priv->hws_map.handle == NULL) { 806dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu i915_dma_cleanup(dev); 807dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu dev_priv->status_gfx_addr = 0; 808dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu DRM_ERROR("can not ioremap virtual address for" 809dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu " G33 hw status page\n"); 81020caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -ENOMEM; 811dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu } 812dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu dev_priv->hw_status_page = dev_priv->hws_map.handle; 813dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu 814dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu memset(dev_priv->hw_status_page, 0, PAGE_SIZE); 815585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr); 816585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes DRM_DEBUG("load hws HWS_PGA with gfx mem 0x%x\n", 817dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu dev_priv->status_gfx_addr); 818dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu DRM_DEBUG("load hws at %p\n", dev_priv->hw_status_page); 819dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu return 0; 820dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu} 821dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu 82279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes/** 82379e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * i915_probe_agp - get AGP bootup configuration 82479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * @pdev: PCI device 82579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * @aperture_size: returns AGP aperture configured size 82679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * @preallocated_size: returns size of BIOS preallocated AGP space 82779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * 82879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * Since Intel integrated graphics are UMA, the BIOS has to set aside 82979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * some RAM for the framebuffer at early boot. This code figures out 83079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * how much was set aside so we can use it for our own purposes. 83179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes */ 832b358d0a6252d8ed16afb20caaec35b24c76074bbHannes Ederstatic int i915_probe_agp(struct drm_device *dev, unsigned long *aperture_size, 833b358d0a6252d8ed16afb20caaec35b24c76074bbHannes Eder unsigned long *preallocated_size) 83479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes{ 83579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes struct pci_dev *bridge_dev; 83679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes u16 tmp = 0; 83779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes unsigned long overhead; 838241fa85b2bb655224357d713c251077dee3585ceEric Anholt unsigned long stolen; 83979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 84079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0,0)); 84179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes if (!bridge_dev) { 84279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes DRM_ERROR("bridge device not found\n"); 84379e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes return -1; 84479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes } 84579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 84679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes /* Get the fb aperture size and "stolen" memory amount. */ 84779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes pci_read_config_word(bridge_dev, INTEL_GMCH_CTRL, &tmp); 84879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes pci_dev_put(bridge_dev); 84979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 85079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes *aperture_size = 1024 * 1024; 85179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes *preallocated_size = 1024 * 1024; 85279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 85360fd99e3682c5acc74d58ed61dac93526d6976f7Eric Anholt switch (dev->pdev->device) { 85479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes case PCI_DEVICE_ID_INTEL_82830_CGC: 85579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes case PCI_DEVICE_ID_INTEL_82845G_IG: 85679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes case PCI_DEVICE_ID_INTEL_82855GM_IG: 85779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes case PCI_DEVICE_ID_INTEL_82865_IG: 85879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes if ((tmp & INTEL_GMCH_MEM_MASK) == INTEL_GMCH_MEM_64M) 85979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes *aperture_size *= 64; 86079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes else 86179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes *aperture_size *= 128; 86279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes break; 86379e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes default: 86479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes /* 9xx supports large sizes, just look at the length */ 86560fd99e3682c5acc74d58ed61dac93526d6976f7Eric Anholt *aperture_size = pci_resource_len(dev->pdev, 2); 86679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes break; 86779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes } 86879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 86979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes /* 87079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * Some of the preallocated space is taken by the GTT 87179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * and popup. GTT is 1K per MB of aperture size, and popup is 4K. 87279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes */ 87360fd99e3682c5acc74d58ed61dac93526d6976f7Eric Anholt if (IS_G4X(dev)) 87460fd99e3682c5acc74d58ed61dac93526d6976f7Eric Anholt overhead = 4096; 87560fd99e3682c5acc74d58ed61dac93526d6976f7Eric Anholt else 87660fd99e3682c5acc74d58ed61dac93526d6976f7Eric Anholt overhead = (*aperture_size / 1024) + 4096; 87760fd99e3682c5acc74d58ed61dac93526d6976f7Eric Anholt 878241fa85b2bb655224357d713c251077dee3585ceEric Anholt switch (tmp & INTEL_GMCH_GMS_MASK) { 879241fa85b2bb655224357d713c251077dee3585ceEric Anholt case INTEL_855_GMCH_GMS_DISABLED: 880241fa85b2bb655224357d713c251077dee3585ceEric Anholt DRM_ERROR("video memory is disabled\n"); 881241fa85b2bb655224357d713c251077dee3585ceEric Anholt return -1; 88279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes case INTEL_855_GMCH_GMS_STOLEN_1M: 883241fa85b2bb655224357d713c251077dee3585ceEric Anholt stolen = 1 * 1024 * 1024; 884241fa85b2bb655224357d713c251077dee3585ceEric Anholt break; 88579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes case INTEL_855_GMCH_GMS_STOLEN_4M: 886241fa85b2bb655224357d713c251077dee3585ceEric Anholt stolen = 4 * 1024 * 1024; 88779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes break; 88879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes case INTEL_855_GMCH_GMS_STOLEN_8M: 889241fa85b2bb655224357d713c251077dee3585ceEric Anholt stolen = 8 * 1024 * 1024; 89079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes break; 89179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes case INTEL_855_GMCH_GMS_STOLEN_16M: 892241fa85b2bb655224357d713c251077dee3585ceEric Anholt stolen = 16 * 1024 * 1024; 89379e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes break; 89479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes case INTEL_855_GMCH_GMS_STOLEN_32M: 895241fa85b2bb655224357d713c251077dee3585ceEric Anholt stolen = 32 * 1024 * 1024; 89679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes break; 89779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes case INTEL_915G_GMCH_GMS_STOLEN_48M: 898241fa85b2bb655224357d713c251077dee3585ceEric Anholt stolen = 48 * 1024 * 1024; 89979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes break; 90079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes case INTEL_915G_GMCH_GMS_STOLEN_64M: 901241fa85b2bb655224357d713c251077dee3585ceEric Anholt stolen = 64 * 1024 * 1024; 902241fa85b2bb655224357d713c251077dee3585ceEric Anholt break; 903241fa85b2bb655224357d713c251077dee3585ceEric Anholt case INTEL_GMCH_GMS_STOLEN_128M: 904241fa85b2bb655224357d713c251077dee3585ceEric Anholt stolen = 128 * 1024 * 1024; 905241fa85b2bb655224357d713c251077dee3585ceEric Anholt break; 906241fa85b2bb655224357d713c251077dee3585ceEric Anholt case INTEL_GMCH_GMS_STOLEN_256M: 907241fa85b2bb655224357d713c251077dee3585ceEric Anholt stolen = 256 * 1024 * 1024; 908241fa85b2bb655224357d713c251077dee3585ceEric Anholt break; 909241fa85b2bb655224357d713c251077dee3585ceEric Anholt case INTEL_GMCH_GMS_STOLEN_96M: 910241fa85b2bb655224357d713c251077dee3585ceEric Anholt stolen = 96 * 1024 * 1024; 911241fa85b2bb655224357d713c251077dee3585ceEric Anholt break; 912241fa85b2bb655224357d713c251077dee3585ceEric Anholt case INTEL_GMCH_GMS_STOLEN_160M: 913241fa85b2bb655224357d713c251077dee3585ceEric Anholt stolen = 160 * 1024 * 1024; 914241fa85b2bb655224357d713c251077dee3585ceEric Anholt break; 915241fa85b2bb655224357d713c251077dee3585ceEric Anholt case INTEL_GMCH_GMS_STOLEN_224M: 916241fa85b2bb655224357d713c251077dee3585ceEric Anholt stolen = 224 * 1024 * 1024; 917241fa85b2bb655224357d713c251077dee3585ceEric Anholt break; 918241fa85b2bb655224357d713c251077dee3585ceEric Anholt case INTEL_GMCH_GMS_STOLEN_352M: 919241fa85b2bb655224357d713c251077dee3585ceEric Anholt stolen = 352 * 1024 * 1024; 92079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes break; 92179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes default: 92279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n", 923241fa85b2bb655224357d713c251077dee3585ceEric Anholt tmp & INTEL_GMCH_GMS_MASK); 92479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes return -1; 92579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes } 926241fa85b2bb655224357d713c251077dee3585ceEric Anholt *preallocated_size = stolen - overhead; 92779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 92879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes return 0; 92979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes} 93079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 93179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnesstatic int i915_load_modeset_init(struct drm_device *dev) 93279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes{ 93379e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes struct drm_i915_private *dev_priv = dev->dev_private; 93479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes unsigned long agp_size, prealloc_size; 93579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes int fb_bar = IS_I9XX(dev) ? 2 : 0; 93679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes int ret = 0; 93779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 938aa5966296675a5092505f68d72563d5939a92353Dave Airlie dev->devname = kstrdup(DRIVER_NAME, GFP_KERNEL); 939aa5966296675a5092505f68d72563d5939a92353Dave Airlie if (!dev->devname) { 940aa5966296675a5092505f68d72563d5939a92353Dave Airlie ret = -ENOMEM; 941aa5966296675a5092505f68d72563d5939a92353Dave Airlie goto out; 942aa5966296675a5092505f68d72563d5939a92353Dave Airlie } 943aa5966296675a5092505f68d72563d5939a92353Dave Airlie 94479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes dev->mode_config.fb_base = drm_get_resource_start(dev, fb_bar) & 94579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 0xff000000; 94679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 9472906f0258770d3a9c4e65364df8acc904e148bbeJesse Barnes if (IS_MOBILE(dev) || IS_I9XX(dev)) 94879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes dev_priv->cursor_needs_physical = true; 94979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes else 95079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes dev_priv->cursor_needs_physical = false; 95179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 9522906f0258770d3a9c4e65364df8acc904e148bbeJesse Barnes if (IS_I965G(dev) || IS_G33(dev)) 9532906f0258770d3a9c4e65364df8acc904e148bbeJesse Barnes dev_priv->cursor_needs_physical = false; 9542906f0258770d3a9c4e65364df8acc904e148bbeJesse Barnes 955aa5966296675a5092505f68d72563d5939a92353Dave Airlie ret = i915_probe_agp(dev, &agp_size, &prealloc_size); 956aa5966296675a5092505f68d72563d5939a92353Dave Airlie if (ret) 957aa5966296675a5092505f68d72563d5939a92353Dave Airlie goto kfree_devname; 95879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 95979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes /* Basic memrange allocator for stolen space (aka vram) */ 96079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes drm_mm_init(&dev_priv->vram, 0, prealloc_size); 96179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 96279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes /* Let GEM Manage from end of prealloc space to end of aperture */ 96379e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes i915_gem_do_init(dev, prealloc_size, agp_size); 96479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 96579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes ret = i915_gem_init_ringbuffer(dev); 96679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes if (ret) 967aa5966296675a5092505f68d72563d5939a92353Dave Airlie goto kfree_devname; 96879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 96979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes dev_priv->mm.gtt_mapping = 97079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes io_mapping_create_wc(dev->agp->base, 97179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes dev->agp->agp_info.aper_size * 1024*1024); 97279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 97379e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes /* Allow hardware batchbuffers unless told otherwise. 97479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes */ 97579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes dev_priv->allow_batchbuffer = 1; 97679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 97779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes ret = intel_init_bios(dev); 97879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes if (ret) 97979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes DRM_INFO("failed to find VBIOS tables\n"); 98079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 98179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes ret = drm_irq_install(dev); 98279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes if (ret) 98379e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes goto destroy_ringbuffer; 98479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 98579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes /* FIXME: re-add hotplug support */ 98679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes#if 0 98779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes ret = drm_hotplug_init(dev); 98879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes if (ret) 98979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes goto destroy_ringbuffer; 99079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes#endif 99179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 99279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes /* Always safe in the mode setting case. */ 99379e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes /* FIXME: do pre/post-mode set stuff in core KMS code */ 99479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes dev->vblank_disable_allowed = 1; 99579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 99679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes /* 99779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * Initialize the hardware status page IRQ location. 99879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes */ 99979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 100079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes I915_WRITE(INSTPM, (1 << 5) | (1 << 21)); 100179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 100279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes intel_modeset_init(dev); 100379e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 100479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes drm_helper_initial_config(dev, false); 100579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 100679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes return 0; 100779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 100879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnesdestroy_ringbuffer: 100979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes i915_gem_cleanup_ringbuffer(dev); 1010aa5966296675a5092505f68d72563d5939a92353Dave Airliekfree_devname: 1011aa5966296675a5092505f68d72563d5939a92353Dave Airlie kfree(dev->devname); 101279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnesout: 101379e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes return ret; 101479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes} 101579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 10167c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlieint i915_master_create(struct drm_device *dev, struct drm_master *master) 10177c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie{ 10187c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie struct drm_i915_master_private *master_priv; 10197c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie 10207c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie master_priv = drm_calloc(1, sizeof(*master_priv), DRM_MEM_DRIVER); 10217c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie if (!master_priv) 10227c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie return -ENOMEM; 10237c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie 10247c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie master->driver_priv = master_priv; 10257c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie return 0; 10267c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie} 10277c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie 10287c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlievoid i915_master_destroy(struct drm_device *dev, struct drm_master *master) 10297c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie{ 10307c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie struct drm_i915_master_private *master_priv = master->driver_priv; 10317c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie 10327c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie if (!master_priv) 10337c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie return; 10347c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie 10357c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie drm_free(master_priv, sizeof(*master_priv), DRM_MEM_DRIVER); 10367c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie 10377c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie master->driver_priv = NULL; 10387c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie} 10397c1c2871a6a3a114853ec6836e9035ac1c0c7f7aDave Airlie 104079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes/** 104179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * i915_driver_load - setup chip and create an initial config 104279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * @dev: DRM device 104379e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * @flags: startup flags 104479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * 104579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * The driver load routine has to do several things: 104679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * - drive output discovery via intel_modeset_init() 104779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * - initialize the memory manager 104879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * - allocate initial config memory 104979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * - setup the DRM framebuffer with the allocated memory 105079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes */ 105184b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airlieint i915_driver_load(struct drm_device *dev, unsigned long flags) 105222eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie{ 1053ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes struct drm_i915_private *dev_priv = dev->dev_private; 1054ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes unsigned long base, size; 1055ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes int ret = 0, mmio_bar = IS_I9XX(dev) ? 0 : 1; 1056ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 105722eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie /* i915 has 4 more counters */ 105822eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie dev->counters += 4; 105922eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie dev->types[6] = _DRM_STAT_IRQ; 106022eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie dev->types[7] = _DRM_STAT_PRIMARY; 106122eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie dev->types[8] = _DRM_STAT_SECONDARY; 106222eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie dev->types[9] = _DRM_STAT_DMA; 106322eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie 1064ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes dev_priv = drm_alloc(sizeof(drm_i915_private_t), DRM_MEM_DRIVER); 1065ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes if (dev_priv == NULL) 1066ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes return -ENOMEM; 1067ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 1068ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes memset(dev_priv, 0, sizeof(drm_i915_private_t)); 1069ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 1070ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes dev->dev_private = (void *)dev_priv; 1071673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt dev_priv->dev = dev; 1072ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 1073ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes /* Add register map (needed for suspend/resume) */ 1074ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes base = drm_get_resource_start(dev, mmio_bar); 1075ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes size = drm_get_resource_len(dev, mmio_bar); 1076ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 10773043c60c485ad694392d3f71bd7ef9f5c5f7cfddEric Anholt dev_priv->regs = ioremap(base, size); 107879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes if (!dev_priv->regs) { 107979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes DRM_ERROR("failed to map registers\n"); 108079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes ret = -EIO; 108179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes goto free_priv; 108279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes } 1083ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt 1084ac5c4e76180a74c7f922f6fa71ace0cef45fa433Dave Airlie#ifdef CONFIG_HIGHMEM64G 1085ac5c4e76180a74c7f922f6fa71ace0cef45fa433Dave Airlie /* don't enable GEM on PAE - needs agp + set_memory_* interface fixes */ 1086ac5c4e76180a74c7f922f6fa71ace0cef45fa433Dave Airlie dev_priv->has_gem = 0; 1087ac5c4e76180a74c7f922f6fa71ace0cef45fa433Dave Airlie#else 1088ac5c4e76180a74c7f922f6fa71ace0cef45fa433Dave Airlie /* enable GEM by default */ 1089ac5c4e76180a74c7f922f6fa71ace0cef45fa433Dave Airlie dev_priv->has_gem = 1; 1090ac5c4e76180a74c7f922f6fa71ace0cef45fa433Dave Airlie#endif 1091ac5c4e76180a74c7f922f6fa71ace0cef45fa433Dave Airlie 1092673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt i915_gem_load(dev); 1093673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt 1094398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard /* Init HWS */ 1095398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard if (!I915_NEED_GFX_HWS(dev)) { 1096398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard ret = i915_init_phys_hws(dev); 1097398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard if (ret != 0) 109879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes goto out_rmmap; 1099398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard } 1100ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt 1101ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt /* On the 945G/GM, the chipset reports the MSI capability on the 1102ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt * integrated graphics even though the support isn't actually there 1103ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt * according to the published specs. It doesn't appear to function 1104ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt * correctly in testing on 945G. 1105ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt * This may be a side effect of MSI having been made available for PEG 1106ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt * and the registers being closely associated. 1107d1ed629f44b3a4108d5c445971535f05f441fce7Keith Packard * 1108d1ed629f44b3a4108d5c445971535f05f441fce7Keith Packard * According to chipset errata, on the 965GM, MSI interrupts may 1109b60678a75d44fa9d5969f79781bd856ad5858609Keith Packard * be lost or delayed, but we use them anyways to avoid 1110b60678a75d44fa9d5969f79781bd856ad5858609Keith Packard * stuck interrupts on some machines. 1111ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt */ 1112b60678a75d44fa9d5969f79781bd856ad5858609Keith Packard if (!IS_I945G(dev) && !IS_I945GM(dev)) 1113d3e74d0237b102d34979015fbf6df02ca4413074Eric Anholt pci_enable_msi(dev->pdev); 1114ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt 11158ee1c3db9075cb3211352e737e0feb98fd733b20Matthew Garrett intel_opregion_init(dev); 11168ee1c3db9075cb3211352e737e0feb98fd733b20Matthew Garrett 1117ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt spin_lock_init(&dev_priv->user_irq_lock); 111879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes dev_priv->user_irq_refcount = 0; 1119ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt 112052440211dcdc52c0b757f8b34d122e11b12cdd50Keith Packard ret = drm_vblank_init(dev, I915_NUM_PIPE); 112152440211dcdc52c0b757f8b34d122e11b12cdd50Keith Packard 112252440211dcdc52c0b757f8b34d122e11b12cdd50Keith Packard if (ret) { 112352440211dcdc52c0b757f8b34d122e11b12cdd50Keith Packard (void) i915_driver_unload(dev); 112452440211dcdc52c0b757f8b34d122e11b12cdd50Keith Packard return ret; 112552440211dcdc52c0b757f8b34d122e11b12cdd50Keith Packard } 112652440211dcdc52c0b757f8b34d122e11b12cdd50Keith Packard 112779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes if (drm_core_check_feature(dev, DRIVER_MODESET)) { 112879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes ret = i915_load_modeset_init(dev); 112979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes if (ret < 0) { 113079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes DRM_ERROR("failed to init modeset\n"); 113179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes goto out_rmmap; 113279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes } 113379e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes } 113479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 113579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes return 0; 113679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 113779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnesout_rmmap: 113879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes iounmap(dev_priv->regs); 113979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnesfree_priv: 114079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes drm_free(dev_priv, sizeof(struct drm_i915_private), DRM_MEM_DRIVER); 1141ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes return ret; 1142ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes} 1143ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 1144ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnesint i915_driver_unload(struct drm_device *dev) 1145ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes{ 1146ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes struct drm_i915_private *dev_priv = dev->dev_private; 1147ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 114879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes if (drm_core_check_feature(dev, DRIVER_MODESET)) { 114979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes io_mapping_free(dev_priv->mm.gtt_mapping); 115079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes drm_irq_uninstall(dev); 115179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes } 115279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 1153ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt if (dev->pdev->msi_enabled) 1154ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt pci_disable_msi(dev->pdev); 1155ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt 11563043c60c485ad694392d3f71bd7ef9f5c5f7cfddEric Anholt if (dev_priv->regs != NULL) 11573043c60c485ad694392d3f71bd7ef9f5c5f7cfddEric Anholt iounmap(dev_priv->regs); 1158ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 11598ee1c3db9075cb3211352e737e0feb98fd733b20Matthew Garrett intel_opregion_free(dev); 11608ee1c3db9075cb3211352e737e0feb98fd733b20Matthew Garrett 116179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes if (drm_core_check_feature(dev, DRIVER_MODESET)) { 116279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes intel_modeset_cleanup(dev); 116379e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 116471acb5eb8d95b371f4cdd88a47f3c83c870d1c8fDave Airlie i915_gem_free_all_phys_object(dev); 116571acb5eb8d95b371f4cdd88a47f3c83c870d1c8fDave Airlie 116679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes mutex_lock(&dev->struct_mutex); 116779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes i915_gem_cleanup_ringbuffer(dev); 116879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes mutex_unlock(&dev->struct_mutex); 116979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes drm_mm_takedown(&dev_priv->vram); 117079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes i915_gem_lastclose(dev); 117179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes } 117279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes 1173ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes drm_free(dev->dev_private, sizeof(drm_i915_private_t), 1174ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes DRM_MEM_DRIVER); 1175ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 117622eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie return 0; 117722eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie} 117822eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie 1179673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholtint i915_driver_open(struct drm_device *dev, struct drm_file *file_priv) 1180673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt{ 1181673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt struct drm_i915_file_private *i915_file_priv; 1182673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt 1183673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt DRM_DEBUG("\n"); 1184673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt i915_file_priv = (struct drm_i915_file_private *) 1185673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt drm_alloc(sizeof(*i915_file_priv), DRM_MEM_FILES); 1186673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt 1187673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt if (!i915_file_priv) 1188673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt return -ENOMEM; 1189673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt 1190673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt file_priv->driver_priv = i915_file_priv; 1191673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt 1192673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt i915_file_priv->mm.last_gem_seqno = 0; 1193673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt i915_file_priv->mm.last_gem_throttle_seqno = 0; 1194673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt 1195673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt return 0; 1196673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt} 1197673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt 119879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes/** 119979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * i915_driver_lastclose - clean up after all DRM clients have exited 120079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * @dev: DRM device 120179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * 120279e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * Take care of cleaning up after all DRM clients have exited. In the 120379e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * mode setting case, we want to restore the kernel's initial mode (just 120479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * in case the last client left us in a bad state). 120579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * 120679e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * Additionally, in the non-mode setting case, we'll tear down the AGP 120779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * and DMA structures, since the kernel won't be using them, and clea 120879e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes * up any GEM state. 120979e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes */ 121084b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airlievoid i915_driver_lastclose(struct drm_device * dev) 12111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1212ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes drm_i915_private_t *dev_priv = dev->dev_private; 1213ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 121479e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes if (!dev_priv || drm_core_check_feature(dev, DRIVER_MODESET)) { 121579e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes intelfb_restore(); 1216144a75fa1faa4a81530bded2e59872ef80d496b6Dave Airlie return; 121779e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes } 1218144a75fa1faa4a81530bded2e59872ef80d496b6Dave Airlie 1219673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt i915_gem_lastclose(dev); 1220673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt 1221ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes if (dev_priv->agp_heap) 1222b5e89ed53ed8d24f83ba1941c07382af00ed238eDave Airlie i915_mem_takedown(&(dev_priv->agp_heap)); 1223ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 1224b5e89ed53ed8d24f83ba1941c07382af00ed238eDave Airlie i915_dma_cleanup(dev); 12251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12276c340eac0285f3d62406d2d902d0e96fbf2a5dc0Eric Anholtvoid i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) 12281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1229ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes drm_i915_private_t *dev_priv = dev->dev_private; 123079e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 123179e539453b34e35f39299a899d263b0a1f1670bdJesse Barnes i915_mem_release(dev, file_priv, dev_priv->agp_heap); 12321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1234673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholtvoid i915_driver_postclose(struct drm_device *dev, struct drm_file *file_priv) 1235673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt{ 1236673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv; 1237673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt 1238673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt drm_free(i915_file_priv, sizeof(*i915_file_priv), DRM_MEM_FILES); 1239673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt} 1240673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt 1241c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstruct drm_ioctl_desc i915_ioctls[] = { 1242c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_INIT, i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 1243c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_FLUSH, i915_flush_ioctl, DRM_AUTH), 1244c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_FLIP, i915_flip_bufs, DRM_AUTH), 1245c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_BATCHBUFFER, i915_batchbuffer, DRM_AUTH), 1246c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_IRQ_EMIT, i915_irq_emit, DRM_AUTH), 1247c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_IRQ_WAIT, i915_irq_wait, DRM_AUTH), 1248c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_GETPARAM, i915_getparam, DRM_AUTH), 1249c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_SETPARAM, i915_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 1250c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_ALLOC, i915_mem_alloc, DRM_AUTH), 1251c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_FREE, i915_mem_free, DRM_AUTH), 1252c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_INIT_HEAP, i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 1253c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_CMDBUFFER, i915_cmdbuffer, DRM_AUTH), 1254c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_DESTROY_HEAP, i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY ), 1255c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_SET_VBLANK_PIPE, i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY ), 1256c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_GET_VBLANK_PIPE, i915_vblank_pipe_get, DRM_AUTH ), 1257c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_VBLANK_SWAP, i915_vblank_swap, DRM_AUTH), 12584b40893918203ee1a1f6a114316c2a19c072e9bdMatthias Hopf DRM_IOCTL_DEF(DRM_I915_HWS_ADDR, i915_set_status_page, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 12592bdf00b22154023ac312481583603f4724eb1401Dave Airlie DRM_IOCTL_DEF(DRM_I915_GEM_INIT, i915_gem_init_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 1260673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt DRM_IOCTL_DEF(DRM_I915_GEM_EXECBUFFER, i915_gem_execbuffer, DRM_AUTH), 1261673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt DRM_IOCTL_DEF(DRM_I915_GEM_PIN, i915_gem_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY), 1262673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt DRM_IOCTL_DEF(DRM_I915_GEM_UNPIN, i915_gem_unpin_ioctl, DRM_AUTH|DRM_ROOT_ONLY), 1263673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt DRM_IOCTL_DEF(DRM_I915_GEM_BUSY, i915_gem_busy_ioctl, DRM_AUTH), 1264673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt DRM_IOCTL_DEF(DRM_I915_GEM_THROTTLE, i915_gem_throttle_ioctl, DRM_AUTH), 12652bdf00b22154023ac312481583603f4724eb1401Dave Airlie DRM_IOCTL_DEF(DRM_I915_GEM_ENTERVT, i915_gem_entervt_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 12662bdf00b22154023ac312481583603f4724eb1401Dave Airlie DRM_IOCTL_DEF(DRM_I915_GEM_LEAVEVT, i915_gem_leavevt_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 1267673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt DRM_IOCTL_DEF(DRM_I915_GEM_CREATE, i915_gem_create_ioctl, 0), 1268673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt DRM_IOCTL_DEF(DRM_I915_GEM_PREAD, i915_gem_pread_ioctl, 0), 1269673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt DRM_IOCTL_DEF(DRM_I915_GEM_PWRITE, i915_gem_pwrite_ioctl, 0), 1270673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt DRM_IOCTL_DEF(DRM_I915_GEM_MMAP, i915_gem_mmap_ioctl, 0), 1271de151cf67ce52ed2d88083daa5e60c7858947329Jesse Barnes DRM_IOCTL_DEF(DRM_I915_GEM_MMAP_GTT, i915_gem_mmap_gtt_ioctl, 0), 1272673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt DRM_IOCTL_DEF(DRM_I915_GEM_SET_DOMAIN, i915_gem_set_domain_ioctl, 0), 1273673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt DRM_IOCTL_DEF(DRM_I915_GEM_SW_FINISH, i915_gem_sw_finish_ioctl, 0), 1274673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt DRM_IOCTL_DEF(DRM_I915_GEM_SET_TILING, i915_gem_set_tiling, 0), 1275673a394b1e3b69be886ff24abfd6df97c52e8d08Eric Anholt DRM_IOCTL_DEF(DRM_I915_GEM_GET_TILING, i915_gem_get_tiling, 0), 12765a125c3c79167e78ba44efef03af7090ef28eeafEric Anholt DRM_IOCTL_DEF(DRM_I915_GEM_GET_APERTURE, i915_gem_get_aperture_ioctl, 0), 1277c94f70298529d99ac6e1ee7709f61eab00adeb39Dave Airlie}; 1278c94f70298529d99ac6e1ee7709f61eab00adeb39Dave Airlie 1279c94f70298529d99ac6e1ee7709f61eab00adeb39Dave Airlieint i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); 1280cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie 1281cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie/** 1282cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * Determine if the device really is AGP or not. 1283cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * 1284cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * All Intel graphics chipsets are treated as AGP, even if they are really 1285cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * PCI-e. 1286cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * 1287cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * \param dev The device to be tested. 1288cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * 1289cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * \returns 1290cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * A value of 1 is always retured to indictate every i9x5 is AGP. 1291cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie */ 129284b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airlieint i915_driver_device_is_agp(struct drm_device * dev) 1293cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie{ 1294cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie return 1; 1295cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie} 1296