1fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz/************************************************************************** 2fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * 3fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA 4fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * All Rights Reserved. 5fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * 6fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * Permission is hereby granted, free of charge, to any person obtaining a 7fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * copy of this software and associated documentation files (the 8fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * "Software"), to deal in the Software without restriction, including 9fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * without limitation the rights to use, copy, modify, merge, publish, 10fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * distribute, sub license, and/or sell copies of the Software, and to 11fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * permit persons to whom the Software is furnished to do so, subject to 12fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * the following conditions: 13fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * 14fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * The above copyright notice and this permission notice (including the 15fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * next paragraph) shall be included in all copies or substantial portions 16fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * of the Software. 17fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * 18fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 22fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * USE OR OTHER DEALINGS IN THE SOFTWARE. 25fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz * 26fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz **************************************************************************/ 27fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz 28fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz#include "vmwgfx_drv.h" 29fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz#include "vmwgfx_drm.h" 302fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz#include "vmwgfx_kms.h" 31fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz 32fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantzint vmw_getparam_ioctl(struct drm_device *dev, void *data, 33fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz struct drm_file *file_priv) 34fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz{ 35fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz struct vmw_private *dev_priv = vmw_priv(dev); 36fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz struct drm_vmw_getparam_arg *param = 37fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz (struct drm_vmw_getparam_arg *)data; 38fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz 39fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz switch (param->param) { 40fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz case DRM_VMW_PARAM_NUM_STREAMS: 41fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz param->value = vmw_overlay_num_overlays(dev_priv); 42fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz break; 43fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz case DRM_VMW_PARAM_NUM_FREE_STREAMS: 44fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz param->value = vmw_overlay_num_free_overlays(dev_priv); 45fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz break; 46fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz case DRM_VMW_PARAM_3D: 478e19a951774a16cf2626292ae06fd2b62630e67eJakob Bornecrantz param->value = vmw_fifo_have_3d(dev_priv) ? 1 : 0; 48fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz break; 49f77cef3db357aeea22d82a2aa4f0ef8fbae41d47Thomas Hellstrom case DRM_VMW_PARAM_HW_CAPS: 50f77cef3db357aeea22d82a2aa4f0ef8fbae41d47Thomas Hellstrom param->value = dev_priv->capabilities; 51f77cef3db357aeea22d82a2aa4f0ef8fbae41d47Thomas Hellstrom break; 52f77cef3db357aeea22d82a2aa4f0ef8fbae41d47Thomas Hellstrom case DRM_VMW_PARAM_FIFO_CAPS: 53f77cef3db357aeea22d82a2aa4f0ef8fbae41d47Thomas Hellstrom param->value = dev_priv->fifo.capabilities; 54f77cef3db357aeea22d82a2aa4f0ef8fbae41d47Thomas Hellstrom break; 5530f47fc85d524d25d63da9e6d77e55ab99c6cc4aThomas Hellstrom case DRM_VMW_PARAM_MAX_FB_SIZE: 5630f47fc85d524d25d63da9e6d77e55ab99c6cc4aThomas Hellstrom param->value = dev_priv->vram_size; 5730f47fc85d524d25d63da9e6d77e55ab99c6cc4aThomas Hellstrom break; 58f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom case DRM_VMW_PARAM_FIFO_HW_VERSION: 59f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom { 60f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom __le32 __iomem *fifo_mem = dev_priv->mmio_virt; 61ebd4c6f6261c96d1cf9f004965384d57c4202fd6Thomas Hellstrom const struct vmw_fifo_state *fifo = &dev_priv->fifo; 62f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom 63ebd4c6f6261c96d1cf9f004965384d57c4202fd6Thomas Hellstrom param->value = 64ebd4c6f6261c96d1cf9f004965384d57c4202fd6Thomas Hellstrom ioread32(fifo_mem + 65ebd4c6f6261c96d1cf9f004965384d57c4202fd6Thomas Hellstrom ((fifo->capabilities & 66ebd4c6f6261c96d1cf9f004965384d57c4202fd6Thomas Hellstrom SVGA_FIFO_CAP_3D_HWVERSION_REVISED) ? 67ebd4c6f6261c96d1cf9f004965384d57c4202fd6Thomas Hellstrom SVGA_FIFO_3D_HWVERSION_REVISED : 68ebd4c6f6261c96d1cf9f004965384d57c4202fd6Thomas Hellstrom SVGA_FIFO_3D_HWVERSION)); 69f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom break; 70f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom } 71fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz default: 72fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz DRM_ERROR("Illegal vmwgfx get param request: %d\n", 73fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz param->param); 74fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz return -EINVAL; 75fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz } 76fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz 77fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz return 0; 78fb1d9738ca053ea8afa5e86af6463155f983b01cJakob Bornecrantz} 79f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom 80f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom 81f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstromint vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 82f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom struct drm_file *file_priv) 83f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom{ 84f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom struct drm_vmw_get_3d_cap_arg *arg = 85f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom (struct drm_vmw_get_3d_cap_arg *) data; 86f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom struct vmw_private *dev_priv = vmw_priv(dev); 87f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom uint32_t size; 88f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom __le32 __iomem *fifo_mem; 89f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom void __user *buffer = (void __user *)((unsigned long)(arg->buffer)); 90f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom void *bounce; 91f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom int ret; 92f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom 93f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom if (unlikely(arg->pad64 != 0)) { 94f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom DRM_ERROR("Illegal GET_3D_CAP argument.\n"); 95f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom return -EINVAL; 96f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom } 97f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom 98f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom size = (SVGA_FIFO_3D_CAPS_LAST - SVGA_FIFO_3D_CAPS + 1) << 2; 99f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom 100f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom if (arg->max_size < size) 101f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom size = arg->max_size; 102f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom 103f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom bounce = vmalloc(size); 104f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom if (unlikely(bounce == NULL)) { 105f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom DRM_ERROR("Failed to allocate bounce buffer for 3D caps.\n"); 106f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom return -ENOMEM; 107f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom } 108f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom 109f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom fifo_mem = dev_priv->mmio_virt; 110f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom memcpy_fromio(bounce, &fifo_mem[SVGA_FIFO_3D_CAPS], size); 111f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom 112f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom ret = copy_to_user(buffer, bounce, size); 113f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom vfree(bounce); 114f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom 115f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom if (unlikely(ret != 0)) 116f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom DRM_ERROR("Failed to report 3D caps info.\n"); 117f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom 118f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom return ret; 119f63f6a59d3905ac73aeeb617b27ac31516549ed9Thomas Hellstrom} 1202fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 1212fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantzint vmw_present_ioctl(struct drm_device *dev, void *data, 1222fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct drm_file *file_priv) 1232fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz{ 1242fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; 1252fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct vmw_private *dev_priv = vmw_priv(dev); 1262fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct drm_vmw_present_arg *arg = 1272fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz (struct drm_vmw_present_arg *)data; 1282fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct vmw_surface *surface; 1292fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct vmw_master *vmaster = vmw_master(file_priv->master); 1302fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct drm_vmw_rect __user *clips_ptr; 1312fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct drm_vmw_rect *clips = NULL; 1322fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct drm_mode_object *obj; 1332fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct vmw_framebuffer *vfb; 1342fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz uint32_t num_clips; 1352fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz int ret; 1362fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 1372fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz num_clips = arg->num_clips; 1382fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz clips_ptr = (struct drm_vmw_rect *)(unsigned long)arg->clips_ptr; 1392fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 1402fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz if (unlikely(num_clips == 0)) 1412fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz return 0; 1422fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 1432fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz if (clips_ptr == NULL) { 1442fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz DRM_ERROR("Variable clips_ptr must be specified.\n"); 1452fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = -EINVAL; 1462fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz goto out_clips; 1472fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz } 1482fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 14924bb5a0ce39c51a2e2602c947f218a19e4b26d7dThomas Meyer clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL); 1502fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz if (clips == NULL) { 1512fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz DRM_ERROR("Failed to allocate clip rect list.\n"); 1522fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = -ENOMEM; 1532fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz goto out_clips; 1542fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz } 1552fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 1562fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = copy_from_user(clips, clips_ptr, num_clips * sizeof(*clips)); 1572fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz if (ret) { 1582fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz DRM_ERROR("Failed to copy clip rects from userspace.\n"); 159d2c184fb10656f2a6d59fef76efb3a8b12fb6ed4Dan Carpenter ret = -EFAULT; 1602fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz goto out_no_copy; 1612fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz } 1622fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 1632fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = mutex_lock_interruptible(&dev->mode_config.mutex); 1642fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz if (unlikely(ret != 0)) { 1652fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = -ERESTARTSYS; 1662fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz goto out_no_mode_mutex; 1672fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz } 1682fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 1692fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz obj = drm_mode_object_find(dev, arg->fb_id, DRM_MODE_OBJECT_FB); 1702fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz if (!obj) { 1712fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz DRM_ERROR("Invalid framebuffer id.\n"); 1722fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = -EINVAL; 1732fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz goto out_no_fb; 1742fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz } 1752fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz vfb = vmw_framebuffer_to_vfb(obj_to_fb(obj)); 1762fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 1772fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = ttm_read_lock(&vmaster->lock, true); 1782fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz if (unlikely(ret != 0)) 1792fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz goto out_no_ttm_lock; 1802fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 1812fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = vmw_user_surface_lookup_handle(dev_priv, tfile, arg->sid, 1822fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz &surface); 1832fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz if (ret) 1842fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz goto out_no_surface; 1852fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 1862fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = vmw_kms_present(dev_priv, file_priv, 1872fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz vfb, surface, arg->sid, 1882fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz arg->dest_x, arg->dest_y, 1892fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz clips, num_clips); 1902fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 1912fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz /* vmw_user_surface_lookup takes one ref so does new_fb */ 1922fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz vmw_surface_unreference(&surface); 1932fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 1942fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantzout_no_surface: 1952fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ttm_read_unlock(&vmaster->lock); 1962fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantzout_no_ttm_lock: 1972fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantzout_no_fb: 1982fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz mutex_unlock(&dev->mode_config.mutex); 1992fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantzout_no_mode_mutex: 2002fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantzout_no_copy: 2012fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz kfree(clips); 2022fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantzout_clips: 2032fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz return ret; 2042fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz} 2052fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 2062fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantzint vmw_present_readback_ioctl(struct drm_device *dev, void *data, 2072fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct drm_file *file_priv) 2082fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz{ 2092fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct vmw_private *dev_priv = vmw_priv(dev); 2102fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct drm_vmw_present_readback_arg *arg = 2112fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz (struct drm_vmw_present_readback_arg *)data; 2122fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct drm_vmw_fence_rep __user *user_fence_rep = 2132fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz (struct drm_vmw_fence_rep __user *) 2142fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz (unsigned long)arg->fence_rep; 2152fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct vmw_master *vmaster = vmw_master(file_priv->master); 2162fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct drm_vmw_rect __user *clips_ptr; 2172fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct drm_vmw_rect *clips = NULL; 2182fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct drm_mode_object *obj; 2192fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz struct vmw_framebuffer *vfb; 2202fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz uint32_t num_clips; 2212fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz int ret; 2222fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 2232fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz num_clips = arg->num_clips; 2242fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz clips_ptr = (struct drm_vmw_rect *)(unsigned long)arg->clips_ptr; 2252fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 2262fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz if (unlikely(num_clips == 0)) 2272fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz return 0; 2282fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 2292fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz if (clips_ptr == NULL) { 2302fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz DRM_ERROR("Argument clips_ptr must be specified.\n"); 2312fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = -EINVAL; 2322fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz goto out_clips; 2332fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz } 2342fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 23524bb5a0ce39c51a2e2602c947f218a19e4b26d7dThomas Meyer clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL); 2362fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz if (clips == NULL) { 2372fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz DRM_ERROR("Failed to allocate clip rect list.\n"); 2382fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = -ENOMEM; 2392fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz goto out_clips; 2402fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz } 2412fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 2422fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = copy_from_user(clips, clips_ptr, num_clips * sizeof(*clips)); 2432fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz if (ret) { 2442fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz DRM_ERROR("Failed to copy clip rects from userspace.\n"); 245d2c184fb10656f2a6d59fef76efb3a8b12fb6ed4Dan Carpenter ret = -EFAULT; 2462fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz goto out_no_copy; 2472fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz } 2482fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 2492fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = mutex_lock_interruptible(&dev->mode_config.mutex); 2502fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz if (unlikely(ret != 0)) { 2512fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = -ERESTARTSYS; 2522fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz goto out_no_mode_mutex; 2532fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz } 2542fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 2552fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz obj = drm_mode_object_find(dev, arg->fb_id, DRM_MODE_OBJECT_FB); 2562fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz if (!obj) { 2572fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz DRM_ERROR("Invalid framebuffer id.\n"); 2582fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = -EINVAL; 2592fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz goto out_no_fb; 2602fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz } 2612fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 2622fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz vfb = vmw_framebuffer_to_vfb(obj_to_fb(obj)); 2632fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz if (!vfb->dmabuf) { 2642fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz DRM_ERROR("Framebuffer not dmabuf backed.\n"); 2652fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = -EINVAL; 2662fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz goto out_no_fb; 2672fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz } 2682fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 2692fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = ttm_read_lock(&vmaster->lock, true); 2702fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz if (unlikely(ret != 0)) 2712fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz goto out_no_ttm_lock; 2722fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 2732fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ret = vmw_kms_readback(dev_priv, file_priv, 2742fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz vfb, user_fence_rep, 2752fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz clips, num_clips); 2762fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz 2772fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz ttm_read_unlock(&vmaster->lock); 2782fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantzout_no_ttm_lock: 2792fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantzout_no_fb: 2802fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz mutex_unlock(&dev->mode_config.mutex); 2812fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantzout_no_mode_mutex: 2822fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantzout_no_copy: 2832fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz kfree(clips); 2842fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantzout_clips: 2852fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz return ret; 2862fcd5a73bfd5341876f9ea6b5adcc1dd814226d4Jakob Bornecrantz} 2875438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom 2885438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom 2895438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom/** 2905438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom * vmw_fops_poll - wrapper around the drm_poll function 2915438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom * 2925438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom * @filp: See the linux fops poll documentation. 2935438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom * @wait: See the linux fops poll documentation. 2945438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom * 2955438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom * Wrapper around the drm_poll function that makes sure the device is 2965438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom * processing the fifo if drm_poll decides to wait. 2975438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom */ 2985438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstromunsigned int vmw_fops_poll(struct file *filp, struct poll_table_struct *wait) 2995438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom{ 3005438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom struct drm_file *file_priv = filp->private_data; 3015438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom struct vmw_private *dev_priv = 3025438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom vmw_priv(file_priv->minor->dev); 3035438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom 3045438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom vmw_fifo_ping_host(dev_priv, SVGA_SYNC_GENERIC); 3055438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom return drm_poll(filp, wait); 3065438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom} 3075438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom 3085438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom 3095438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom/** 3105438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom * vmw_fops_read - wrapper around the drm_read function 3115438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom * 3125438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom * @filp: See the linux fops read documentation. 3135438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom * @buffer: See the linux fops read documentation. 3145438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom * @count: See the linux fops read documentation. 3155438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom * offset: See the linux fops read documentation. 3165438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom * 3175438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom * Wrapper around the drm_read function that makes sure the device is 3185438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom * processing the fifo if drm_read decides to wait. 3195438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom */ 3205438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstromssize_t vmw_fops_read(struct file *filp, char __user *buffer, 3215438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom size_t count, loff_t *offset) 3225438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom{ 3235438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom struct drm_file *file_priv = filp->private_data; 3245438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom struct vmw_private *dev_priv = 3255438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom vmw_priv(file_priv->minor->dev); 3265438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom 3275438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom vmw_fifo_ping_host(dev_priv, SVGA_SYNC_GENERIC); 3285438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom return drm_read(filp, buffer, count, offset); 3295438ae88d098c086cfb94be5327c49a04fc6bfd7Thomas Hellstrom} 330