i915_dma.c revision 398c9cb20b5c6c5d1313912b937d653a46fec578
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" 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "i915_drm.h" 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "i915_drv.h" 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Really want an OS-independent resettable timer. Would like to have 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * this loop run for (eg) 3 sec, but have the timer reset every time 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the head pointer changes, so that EBUSY only happens if the ring 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * actually stalls for (eg) 3 seconds. 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3984b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airlieint i915_wait_ring(struct drm_device * dev, int n, const char *caller) 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_ring_buffer_t *ring = &(dev_priv->ring); 43d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard u32 acthd_reg = IS_I965G(dev) ? ACTHD_I965 : ACTHD; 44d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard u32 last_acthd = I915_READ(acthd_reg); 45d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard u32 acthd; 46585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes u32 last_head = I915_READ(PRB0_HEAD) & HEAD_ADDR; 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 49d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard for (i = 0; i < 100000; i++) { 50585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR; 51d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard acthd = I915_READ(acthd_reg); 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ring->space = ring->head - (ring->tail + 8); 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ring->space < 0) 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ring->space += ring->Size; 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ring->space >= n) 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT; 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ring->head != last_head) 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = 0; 62d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard if (acthd != last_acthd) 63d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard i = 0; 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds last_head = ring->head; 66d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard last_acthd = acthd; 67d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard msleep_interruptible(10); 68d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5Keith Packard 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7120caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EBUSY; 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 74398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard/** 75398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard * Sets up the hardware status page for devices that need a physical address 76398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard * in the register. 77398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard */ 78398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packardint i915_init_phys_hws(struct drm_device *dev) 79398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard{ 80398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard drm_i915_private_t *dev_priv = dev->dev_private; 81398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard /* Program Hardware Status Page */ 82398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard dev_priv->status_page_dmah = 83398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff); 84398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard 85398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard if (!dev_priv->status_page_dmah) { 86398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard DRM_ERROR("Can not allocate hardware status page\n"); 87398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard return -ENOMEM; 88398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard } 89398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr; 90398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr; 91398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard 92398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard memset(dev_priv->hw_status_page, 0, PAGE_SIZE); 93398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard 94398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard I915_WRITE(HWS_PGA, dev_priv->dma_status_page); 95398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard DRM_DEBUG("Enabled hardware status page\n"); 96398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard return 0; 97398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard} 98398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard 99398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard/** 100398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard * Frees the hardware status page, whether it's a physical address or a virtual 101398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard * address set up by the X Server. 102398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard */ 103398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packardvoid i915_free_hws(struct drm_device *dev) 104398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard{ 105398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard drm_i915_private_t *dev_priv = dev->dev_private; 106398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard if (dev_priv->status_page_dmah) { 107398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard drm_pci_free(dev, dev_priv->status_page_dmah); 108398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard dev_priv->status_page_dmah = NULL; 109398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard } 110398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard 111398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard if (dev_priv->status_gfx_addr) { 112398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard dev_priv->status_gfx_addr = 0; 113398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard drm_core_ioremapfree(&dev_priv->hws_map, dev); 114398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard } 115398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard 116398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard /* Need to rewrite hardware status page */ 117398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard I915_WRITE(HWS_PGA, 0x1ffff000); 118398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard} 119398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard 12084b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airlievoid i915_kernel_lost_context(struct drm_device * dev) 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_ring_buffer_t *ring = &(dev_priv->ring); 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 125585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR; 126585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR; 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ring->space = ring->head - (ring->tail + 8); 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ring->space < 0) 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ring->space += ring->Size; 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ring->head == ring->tail) 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY; 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13584b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airliestatic int i915_dma_cleanup(struct drm_device * dev) 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 137ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes drm_i915_private_t *dev_priv = dev->dev_private; 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Make sure interrupts are disabled here because the uninstall ioctl 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * may not have been called from userspace and after dev_private 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * is freed, it's too late. 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 142ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt if (dev->irq_enabled) 143b5e89ed53ed8d24f83ba1941c07382af00ed238eDave Airlie drm_irq_uninstall(dev); 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 145ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes if (dev_priv->ring.virtual_start) { 146ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes drm_core_ioremapfree(&dev_priv->ring.map, dev); 147ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes dev_priv->ring.virtual_start = 0; 148ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes dev_priv->ring.map.handle = 0; 149ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes dev_priv->ring.map.size = 0; 150ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes } 151dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu 152398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard /* Clear the HWS virtual address at teardown */ 153398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard if (I915_NEED_GFX_HWS(dev)) 154398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard i915_free_hws(dev); 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 159ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnesstatic int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 161ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes drm_i915_private_t *dev_priv = dev->dev_private; 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 163da509d7a02cb54938776439edc81f057e39f81e0Dave Airlie dev_priv->sarea = drm_getsarea(dev); 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dev_priv->sarea) { 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("can not find sarea!\n"); 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i915_dma_cleanup(dev); 16720caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->sarea_priv = (drm_i915_sarea_t *) 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((u8 *) dev_priv->sarea->handle + init->sarea_priv_offset); 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->ring.Start = init->ring_start; 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->ring.End = init->ring_end; 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->ring.Size = init->ring_size; 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->ring.map.offset = init->ring_start; 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->ring.map.size = init->ring_size; 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->ring.map.type = 0; 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->ring.map.flags = 0; 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->ring.map.mtrr = 0; 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 184b5e89ed53ed8d24f83ba1941c07382af00ed238eDave Airlie drm_core_ioremap(&dev_priv->ring.map, dev); 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dev_priv->ring.map.handle == NULL) { 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i915_dma_cleanup(dev); 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("can not ioremap virtual address for" 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds " ring buffer\n"); 19020caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -ENOMEM; 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->ring.virtual_start = dev_priv->ring.map.handle; 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 195a6b54f3f5050c0cbc0c35dd48064846c6302706bMichel Dänzer dev_priv->cpp = init->cpp; 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->back_offset = init->back_offset; 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->front_offset = init->front_offset; 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->current_page = 0; 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Allow hardware batchbuffers unless told otherwise. 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->allow_batchbuffer = 1; 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20884b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airliestatic int i915_dma_resume(struct drm_device * dev) 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 212bf9d89295233ae2ba7b312c78ee5657307b09f4cHarvey Harrison DRM_DEBUG("%s\n", __func__); 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dev_priv->sarea) { 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("can not find sarea!\n"); 21620caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dev_priv->ring.map.handle == NULL) { 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("can not ioremap virtual address for" 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds " ring buffer\n"); 22220caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -ENOMEM; 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Program Hardware Status Page */ 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dev_priv->hw_status_page) { 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("Can not find hardware status page\n"); 22820caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 232dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu if (dev_priv->status_gfx_addr != 0) 233585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr); 234dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu else 235585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes I915_WRITE(HWS_PGA, dev_priv->dma_status_page); 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_DEBUG("Enabled hardware status page\n"); 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 241c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstatic int i915_dma_init(struct drm_device *dev, void *data, 242c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt struct drm_file *file_priv) 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 244c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt drm_i915_init_t *init = data; 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int retcode = 0; 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 247c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt switch (init->func) { 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I915_INIT_DMA: 249ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes retcode = i915_initialize(dev, init); 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I915_CLEANUP_DMA: 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retcode = i915_dma_cleanup(dev); 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I915_RESUME_DMA: 2550d6aa60b4ac9689b750e35cd66f5d7c053aff0f4Dave Airlie retcode = i915_dma_resume(dev); 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 25820caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt retcode = -EINVAL; 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return retcode; 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Implement basically the same security restrictions as hardware does 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * for MI_BATCH_NON_SECURE. These can be made stricter at any time. 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Most of the calculations below involve calculating the size of a 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * particular instruction. It's important to get the size right as 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * that tells us where the next instruction to check is. Any illegal 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * instruction detected will be given a size of zero, which is a 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * signal to abort the rest of the buffer. 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int do_validate_cmd(int cmd) 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (((cmd >> 29) & 0x7)) { 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x0: 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch ((cmd >> 23) & 0x3f) { 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x0: 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; /* MI_NOOP */ 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x4: 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; /* MI_FLUSH */ 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; /* disallow everything else */ 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x1: 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; /* reserved */ 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x2: 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (cmd & 0xff) + 2; /* 2d commands */ 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x3: 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (((cmd >> 24) & 0x1f) <= 0x18) 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch ((cmd >> 24) & 0x1f) { 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x1c: 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x1d: 299b5e89ed53ed8d24f83ba1941c07382af00ed238eDave Airlie switch ((cmd >> 16) & 0xff) { 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x3: 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (cmd & 0x1f) + 2; 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x4: 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (cmd & 0xf) + 2; 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (cmd & 0xffff) + 2; 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x1e: 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cmd & (1 << 23)) 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (cmd & 0xffff) + 1; 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x1f: 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((cmd & (1 << 23)) == 0) /* inline vertices */ 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (cmd & 0x1ffff) + 2; 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (cmd & (1 << 17)) /* indirect random */ 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((cmd & 0xffff) == 0) 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; /* unknown length, too hard */ 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (((cmd & 0xffff) + 1) / 2) + 1; 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 2; /* indirect sequential */ 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int validate_cmd(int cmd) 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret = do_validate_cmd(cmd); 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 336bc5f4523f772cc7629c5c5a46cf4f2a07a5500b8Dave Airlie/* printk("validate_cmd( %x ): %d\n", cmd, ret); */ 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 34184b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airliestatic int i915_emit_cmds(struct drm_device * dev, int __user * buffer, int dwords) 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RING_LOCALS; 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 347de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie if ((dwords+1) * sizeof(int) >= dev_priv->ring.Size - 8) 34820caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 349de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie 350c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane BEGIN_LP_RING((dwords+1)&~1); 351de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < dwords;) { 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int cmd, sz; 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i], sizeof(cmd))) 35620caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((sz = validate_cmd(cmd)) == 0 || i + sz > dwords) 35920caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(cmd); 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (++i, --sz) { 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i], 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sizeof(cmd))) { 36620caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(cmd); 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 372de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie if (dwords & 1) 373de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie OUT_RING(0); 374de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie 375de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie ADVANCE_LP_RING(); 376de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 38084b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airliestatic int i915_emit_box(struct drm_device * dev, 381c60ce623bd16137627009d05e311d877729f2ad6Dave Airlie struct drm_clip_rect __user * boxes, 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, int DR1, int DR4) 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 385c60ce623bd16137627009d05e311d877729f2ad6Dave Airlie struct drm_clip_rect box; 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RING_LOCALS; 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (DRM_COPY_FROM_USER_UNCHECKED(&box, &boxes[i], sizeof(box))) { 38920caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EFAULT; 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (box.y2 <= box.y1 || box.x2 <= box.x1 || box.y2 <= 0 || box.x2 <= 0) { 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("Bad box %d,%d..%d,%d\n", 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds box.x1, box.y1, box.x2, box.y2); 39520caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 398c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane if (IS_I965G(dev)) { 399c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane BEGIN_LP_RING(4); 400c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING(GFX_OP_DRAWRECT_INFO_I965); 401c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING((box.x1 & 0xffff) | (box.y1 << 16)); 40278eca43d0391f59c3b1505bb7bd38ff45b650aabAndrew Morton OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16)); 403c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING(DR4); 404c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane ADVANCE_LP_RING(); 405c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane } else { 406c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane BEGIN_LP_RING(6); 407c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING(GFX_OP_DRAWRECT_INFO); 408c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING(DR1); 409c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING((box.x1 & 0xffff) | (box.y1 << 16)); 410c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16)); 411c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING(DR4); 412c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane OUT_RING(0); 413c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane ADVANCE_LP_RING(); 414c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane } 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 419c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane/* XXX: Emitting the counter should really be moved to part of the IRQ 420c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane * emit. For now, do it in both places: 421c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane */ 422c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane 42384b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airliestatic void i915_emit_breadcrumb(struct drm_device *dev) 424de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie{ 425de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie drm_i915_private_t *dev_priv = dev->dev_private; 426de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie RING_LOCALS; 427de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie 428af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie dev_priv->sarea_priv->last_enqueue = ++dev_priv->counter; 429c29b669caae4ed1630ef479e54bdde126a0378ecAlan Hourihane 430af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie if (dev_priv->counter > 0x7FFFFFFFUL) 431af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie dev_priv->sarea_priv->last_enqueue = dev_priv->counter = 1; 432de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie 433de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie BEGIN_LP_RING(4); 434585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes OUT_RING(MI_STORE_DWORD_INDEX); 435585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes OUT_RING(5 << MI_STORE_DWORD_INDEX_SHIFT); 436de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie OUT_RING(dev_priv->counter); 437de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie OUT_RING(0); 438de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie ADVANCE_LP_RING(); 439de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie} 440de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie 44184b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airliestatic int i915_dispatch_cmdbuffer(struct drm_device * dev, 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_cmdbuffer_t * cmd) 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int nbox = cmd->num_cliprects; 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i = 0, count, ret; 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cmd->sz & 0x3) { 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("alignment"); 44920caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i915_kernel_lost_context(dev); 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count = nbox ? nbox : 1; 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < count; i++) { 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i < nbox) { 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = i915_emit_box(dev, cmd->cliprects, i, 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cmd->DR1, cmd->DR4); 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ret) 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = i915_emit_cmds(dev, (int __user *)cmd->buf, cmd->sz / 4); 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ret) 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 469de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie i915_emit_breadcrumb(dev); 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 47384b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airliestatic int i915_dispatch_batchbuffer(struct drm_device * dev, 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_batchbuffer_t * batch) 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 477c60ce623bd16137627009d05e311d877729f2ad6Dave Airlie struct drm_clip_rect __user *boxes = batch->cliprects; 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int nbox = batch->num_cliprects; 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i = 0, count; 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RING_LOCALS; 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((batch->start | batch->used) & 0x7) { 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("alignment"); 48420caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i915_kernel_lost_context(dev); 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count = nbox ? nbox : 1; 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < count; i++) { 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i < nbox) { 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret = i915_emit_box(dev, boxes, i, 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds batch->DR1, batch->DR4); 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ret) 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4990790d5e148c0747499742a3c09ba5f1c07f9ed0dKeith Packard if (!IS_I830(dev) && !IS_845G(dev)) { 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BEGIN_LP_RING(2); 50121f16289270447673a7263ccc0b22d562fb01ecbDave Airlie if (IS_I965G(dev)) { 50221f16289270447673a7263ccc0b22d562fb01ecbDave Airlie OUT_RING(MI_BATCH_BUFFER_START | (2 << 6) | MI_BATCH_NON_SECURE_I965); 50321f16289270447673a7263ccc0b22d562fb01ecbDave Airlie OUT_RING(batch->start); 50421f16289270447673a7263ccc0b22d562fb01ecbDave Airlie } else { 50521f16289270447673a7263ccc0b22d562fb01ecbDave Airlie OUT_RING(MI_BATCH_BUFFER_START | (2 << 6)); 50621f16289270447673a7263ccc0b22d562fb01ecbDave Airlie OUT_RING(batch->start | MI_BATCH_NON_SECURE); 50721f16289270447673a7263ccc0b22d562fb01ecbDave Airlie } 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_LP_RING(); 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BEGIN_LP_RING(4); 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_BATCH_BUFFER); 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(batch->start | MI_BATCH_NON_SECURE); 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(batch->start + batch->used - 4); 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(0); 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_LP_RING(); 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 519de227f5f32775d86e5c780a7cffdd2e08574f7fbDave Airlie i915_emit_breadcrumb(dev); 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 524af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airliestatic int i915_dispatch_flip(struct drm_device * dev) 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RING_LOCALS; 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 529af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n", 53080a914dc05683ecfc98f9e1887fd6564846ffbecHarvey Harrison __func__, 531af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie dev_priv->current_page, 532af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie dev_priv->sarea_priv->pf_current_page); 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 534af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie i915_kernel_lost_context(dev); 535af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie 536af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie BEGIN_LP_RING(2); 537585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes OUT_RING(MI_FLUSH | MI_READ_FLUSH); 538af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(0); 539af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie ADVANCE_LP_RING(); 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 541af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie BEGIN_LP_RING(6); 542af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP); 543af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(0); 544af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie if (dev_priv->current_page == 0) { 545af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(dev_priv->back_offset); 546af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie dev_priv->current_page = 1; 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 548af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(dev_priv->front_offset); 549af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie dev_priv->current_page = 0; 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 551af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(0); 552af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie ADVANCE_LP_RING(); 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 554af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie BEGIN_LP_RING(2); 555af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP); 556af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(0); 557af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie ADVANCE_LP_RING(); 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 559af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie dev_priv->sarea_priv->last_enqueue = dev_priv->counter++; 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BEGIN_LP_RING(4); 562585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes OUT_RING(MI_STORE_DWORD_INDEX); 563585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes OUT_RING(5 << MI_STORE_DWORD_INDEX_SHIFT); 564af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(dev_priv->counter); 565af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie OUT_RING(0); 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_LP_RING(); 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 568af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; 569af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie return 0; 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 57284b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airliestatic int i915_quiescent(struct drm_device * dev) 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i915_kernel_lost_context(dev); 577bf9d89295233ae2ba7b312c78ee5657307b09f4cHarvey Harrison return i915_wait_ring(dev, dev_priv->ring.Size - 8, __func__); 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 580c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstatic int i915_flush_ioctl(struct drm_device *dev, void *data, 581c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt struct drm_file *file_priv) 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5836c340eac0285f3d62406d2d902d0e96fbf2a5dc0Eric Anholt LOCK_TEST_WITH_RETURN(dev, file_priv); 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return i915_quiescent(dev); 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 588c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstatic int i915_batchbuffer(struct drm_device *dev, void *data, 589c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt struct drm_file *file_priv) 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; 592af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie u32 *hw_status = dev_priv->hw_status_page; 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->sarea_priv; 595c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt drm_i915_batchbuffer_t *batch = data; 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret; 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dev_priv->allow_batchbuffer) { 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("Batchbuffer ioctl disabled\n"); 60020caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_DEBUG("i915 batchbuffer, start %x used %d cliprects %d\n", 604c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt batch->start, batch->used, batch->num_cliprects); 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6066c340eac0285f3d62406d2d902d0e96fbf2a5dc0Eric Anholt LOCK_TEST_WITH_RETURN(dev, file_priv); 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 608c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt if (batch->num_cliprects && DRM_VERIFYAREA_READ(batch->cliprects, 609c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt batch->num_cliprects * 610c60ce623bd16137627009d05e311d877729f2ad6Dave Airlie sizeof(struct drm_clip_rect))) 61120caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EFAULT; 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 613c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt ret = i915_dispatch_batchbuffer(dev, batch); 6141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 615af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie sarea_priv->last_dispatch = (int)hw_status[5]; 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 619c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstatic int i915_cmdbuffer(struct drm_device *dev, void *data, 620c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt struct drm_file *file_priv) 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; 623af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie u32 *hw_status = dev_priv->hw_status_page; 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_priv->sarea_priv; 626c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt drm_i915_cmdbuffer_t *cmdbuf = data; 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret; 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n", 630c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects); 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6326c340eac0285f3d62406d2d902d0e96fbf2a5dc0Eric Anholt LOCK_TEST_WITH_RETURN(dev, file_priv); 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 634c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt if (cmdbuf->num_cliprects && 635c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_VERIFYAREA_READ(cmdbuf->cliprects, 636c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt cmdbuf->num_cliprects * 637c60ce623bd16137627009d05e311d877729f2ad6Dave Airlie sizeof(struct drm_clip_rect))) { 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("Fault accessing cliprects\n"); 63920caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EFAULT; 6401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 642c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt ret = i915_dispatch_cmdbuffer(dev, cmdbuf); 6431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ret) { 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("i915_dispatch_cmdbuffer failed\n"); 6451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 648af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie sarea_priv->last_dispatch = (int)hw_status[5]; 6491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 652c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstatic int i915_flip_bufs(struct drm_device *dev, void *data, 653c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt struct drm_file *file_priv) 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 65580a914dc05683ecfc98f9e1887fd6564846ffbecHarvey Harrison DRM_DEBUG("%s\n", __func__); 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6576c340eac0285f3d62406d2d902d0e96fbf2a5dc0Eric Anholt LOCK_TEST_WITH_RETURN(dev, file_priv); 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 659af6061af0d9f84a4665f88186dc1ff9e4fb78330Dave Airlie return i915_dispatch_flip(dev); 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 662c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstatic int i915_getparam(struct drm_device *dev, void *data, 663c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt struct drm_file *file_priv) 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 666c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt drm_i915_getparam_t *param = data; 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int value; 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dev_priv) { 6703e684eae586a9b210a4517da5637a255b1ff5a92Márton Németh DRM_ERROR("called with no initialization\n"); 67120caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 674c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt switch (param->param) { 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I915_PARAM_IRQ_ACTIVE: 676ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt value = dev->irq_enabled; 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I915_PARAM_ALLOW_BATCHBUFFER: 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds value = dev_priv->allow_batchbuffer ? 1 : 0; 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 6810d6aa60b4ac9689b750e35cd66f5d7c053aff0f4Dave Airlie case I915_PARAM_LAST_DISPATCH: 6820d6aa60b4ac9689b750e35cd66f5d7c053aff0f4Dave Airlie value = READ_BREADCRUMB(dev_priv); 6830d6aa60b4ac9689b750e35cd66f5d7c053aff0f4Dave Airlie break; 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 685c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_ERROR("Unknown parameter %d\n", param->param); 68620caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 689c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt if (DRM_COPY_TO_USER(param->value, &value, sizeof(int))) { 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DRM_ERROR("DRM_COPY_TO_USER failed\n"); 69120caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EFAULT; 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 697c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstatic int i915_setparam(struct drm_device *dev, void *data, 698c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt struct drm_file *file_priv) 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds drm_i915_private_t *dev_priv = dev->dev_private; 701c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt drm_i915_setparam_t *param = data; 7021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dev_priv) { 7043e684eae586a9b210a4517da5637a255b1ff5a92Márton Németh DRM_ERROR("called with no initialization\n"); 70520caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 708c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt switch (param->param) { 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I915_SETPARAM_USE_MI_BATCHBUFFER_START: 7101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY: 712c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt dev_priv->tex_lru_log_granularity = param->value; 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I915_SETPARAM_ALLOW_BATCHBUFFER: 715c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt dev_priv->allow_batchbuffer = param->value; 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 718c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_ERROR("unknown parameter %d\n", param->param); 71920caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 7201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 725c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstatic int i915_set_status_page(struct drm_device *dev, void *data, 726c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt struct drm_file *file_priv) 727dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu{ 728dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu drm_i915_private_t *dev_priv = dev->dev_private; 729c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt drm_i915_hws_addr_t *hws = data; 730b39d50e53b1bb27f6c29f88a697a4af78427dffdZhenyu Wang 731b39d50e53b1bb27f6c29f88a697a4af78427dffdZhenyu Wang if (!I915_NEED_GFX_HWS(dev)) 732b39d50e53b1bb27f6c29f88a697a4af78427dffdZhenyu Wang return -EINVAL; 733dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu 734dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu if (!dev_priv) { 7353e684eae586a9b210a4517da5637a255b1ff5a92Márton Németh DRM_ERROR("called with no initialization\n"); 73620caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -EINVAL; 737dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu } 738dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu 739c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt printk(KERN_DEBUG "set status page addr 0x%08x\n", (u32)hws->addr); 740c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt 741c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt dev_priv->status_gfx_addr = hws->addr & (0x1ffff<<12); 742dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu 7438b40958032fd236194de57d29be9cf2c1f2643eeEric Anholt dev_priv->hws_map.offset = dev->agp->base + hws->addr; 744dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu dev_priv->hws_map.size = 4*1024; 745dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu dev_priv->hws_map.type = 0; 746dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu dev_priv->hws_map.flags = 0; 747dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu dev_priv->hws_map.mtrr = 0; 748dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu 749dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu drm_core_ioremap(&dev_priv->hws_map, dev); 750dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu if (dev_priv->hws_map.handle == NULL) { 751dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu i915_dma_cleanup(dev); 752dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu dev_priv->status_gfx_addr = 0; 753dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu DRM_ERROR("can not ioremap virtual address for" 754dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu " G33 hw status page\n"); 75520caafa6ecb2487d9b223aa33e7cc704f912a758Eric Anholt return -ENOMEM; 756dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu } 757dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu dev_priv->hw_status_page = dev_priv->hws_map.handle; 758dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu 759dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu memset(dev_priv->hw_status_page, 0, PAGE_SIZE); 760585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr); 761585fb111348f7cdc30c6a1b903987612ddeafb23Jesse Barnes DRM_DEBUG("load hws HWS_PGA with gfx mem 0x%x\n", 762dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu dev_priv->status_gfx_addr); 763dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu DRM_DEBUG("load hws at %p\n", dev_priv->hw_status_page); 764dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu return 0; 765dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu} 766dc7a93190c21edbf3ed23e678ad04f852b9cff28Wang Zhenyu 76784b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airlieint i915_driver_load(struct drm_device *dev, unsigned long flags) 76822eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie{ 769ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes struct drm_i915_private *dev_priv = dev->dev_private; 770ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes unsigned long base, size; 771ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes int ret = 0, mmio_bar = IS_I9XX(dev) ? 0 : 1; 772ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 77322eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie /* i915 has 4 more counters */ 77422eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie dev->counters += 4; 77522eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie dev->types[6] = _DRM_STAT_IRQ; 77622eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie dev->types[7] = _DRM_STAT_PRIMARY; 77722eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie dev->types[8] = _DRM_STAT_SECONDARY; 77822eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie dev->types[9] = _DRM_STAT_DMA; 77922eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie 780ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes dev_priv = drm_alloc(sizeof(drm_i915_private_t), DRM_MEM_DRIVER); 781ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes if (dev_priv == NULL) 782ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes return -ENOMEM; 783ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 784ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes memset(dev_priv, 0, sizeof(drm_i915_private_t)); 785ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 786ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes dev->dev_private = (void *)dev_priv; 787ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 788ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes /* Add register map (needed for suspend/resume) */ 789ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes base = drm_get_resource_start(dev, mmio_bar); 790ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes size = drm_get_resource_len(dev, mmio_bar); 791ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 792e3236a1173222ca209d20bb29f6c1cd3499aa845Dave Airlie ret = drm_addmap(dev, base, size, _DRM_REGISTERS, 793e3236a1173222ca209d20bb29f6c1cd3499aa845Dave Airlie _DRM_KERNEL | _DRM_DRIVER, 794ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes &dev_priv->mmio_map); 795ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt 796398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard /* Init HWS */ 797398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard if (!I915_NEED_GFX_HWS(dev)) { 798398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard ret = i915_init_phys_hws(dev); 799398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard if (ret != 0) 800398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard return ret; 801398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard } 802ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt 803ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt /* On the 945G/GM, the chipset reports the MSI capability on the 804ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt * integrated graphics even though the support isn't actually there 805ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt * according to the published specs. It doesn't appear to function 806ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt * correctly in testing on 945G. 807ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt * This may be a side effect of MSI having been made available for PEG 808ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt * and the registers being closely associated. 809ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt */ 810ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt if (!IS_I945G(dev) && !IS_I945GM(dev)) 811ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt pci_enable_msi(dev->pdev); 812ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt 813ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt spin_lock_init(&dev_priv->user_irq_lock); 814ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt 815ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes return ret; 816ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes} 817ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 818ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnesint i915_driver_unload(struct drm_device *dev) 819ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes{ 820ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes struct drm_i915_private *dev_priv = dev->dev_private; 821ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 822ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt if (dev->pdev->msi_enabled) 823ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt pci_disable_msi(dev->pdev); 824ed4cb4142b242d8090d3811d5eb4abf6aa985bc8Eric Anholt 825398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard i915_free_hws(dev); 826398c9cb20b5c6c5d1313912b937d653a46fec578Keith Packard 827ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes if (dev_priv->mmio_map) 828ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes drm_rmmap(dev, dev_priv->mmio_map); 829ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 830ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes drm_free(dev->dev_private, sizeof(drm_i915_private_t), 831ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes DRM_MEM_DRIVER); 832ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 83322eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie return 0; 83422eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie} 83522eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie 83684b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airlievoid i915_driver_lastclose(struct drm_device * dev) 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 838ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes drm_i915_private_t *dev_priv = dev->dev_private; 839ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 840144a75fa1faa4a81530bded2e59872ef80d496b6Dave Airlie if (!dev_priv) 841144a75fa1faa4a81530bded2e59872ef80d496b6Dave Airlie return; 842144a75fa1faa4a81530bded2e59872ef80d496b6Dave Airlie 843ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes if (dev_priv->agp_heap) 844b5e89ed53ed8d24f83ba1941c07382af00ed238eDave Airlie i915_mem_takedown(&(dev_priv->agp_heap)); 845ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes 846b5e89ed53ed8d24f83ba1941c07382af00ed238eDave Airlie i915_dma_cleanup(dev); 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8496c340eac0285f3d62406d2d902d0e96fbf2a5dc0Eric Anholtvoid i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) 8501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 851ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes drm_i915_private_t *dev_priv = dev->dev_private; 852ba8bbcf6ff4650712f64c0ef61139c73898e2165Jesse Barnes i915_mem_release(dev, file_priv, dev_priv->agp_heap); 8531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 855c153f45f9b7e30289157bba3ff5682291df16caaEric Anholtstruct drm_ioctl_desc i915_ioctls[] = { 856c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_INIT, i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 857c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_FLUSH, i915_flush_ioctl, DRM_AUTH), 858c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_FLIP, i915_flip_bufs, DRM_AUTH), 859c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_BATCHBUFFER, i915_batchbuffer, DRM_AUTH), 860c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_IRQ_EMIT, i915_irq_emit, DRM_AUTH), 861c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_IRQ_WAIT, i915_irq_wait, DRM_AUTH), 862c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_GETPARAM, i915_getparam, DRM_AUTH), 863c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_SETPARAM, i915_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 864c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_ALLOC, i915_mem_alloc, DRM_AUTH), 865c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_FREE, i915_mem_free, DRM_AUTH), 866c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_INIT_HEAP, i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 867c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_CMDBUFFER, i915_cmdbuffer, DRM_AUTH), 868c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_DESTROY_HEAP, i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY ), 869c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_SET_VBLANK_PIPE, i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY ), 870c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_GET_VBLANK_PIPE, i915_vblank_pipe_get, DRM_AUTH ), 871c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_VBLANK_SWAP, i915_vblank_swap, DRM_AUTH), 872c153f45f9b7e30289157bba3ff5682291df16caaEric Anholt DRM_IOCTL_DEF(DRM_I915_HWS_ADDR, i915_set_status_page, DRM_AUTH), 873c94f70298529d99ac6e1ee7709f61eab00adeb39Dave Airlie}; 874c94f70298529d99ac6e1ee7709f61eab00adeb39Dave Airlie 875c94f70298529d99ac6e1ee7709f61eab00adeb39Dave Airlieint i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); 876cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie 877cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie/** 878cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * Determine if the device really is AGP or not. 879cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * 880cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * All Intel graphics chipsets are treated as AGP, even if they are really 881cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * PCI-e. 882cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * 883cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * \param dev The device to be tested. 884cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * 885cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * \returns 886cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * A value of 1 is always retured to indictate every i9x5 is AGP. 887cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie */ 88884b1fd103dbbe01b5905db1444d3fc8afa9a7207Dave Airlieint i915_driver_device_is_agp(struct drm_device * dev) 889cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie{ 890cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie return 1; 891cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie} 892