| /****************************************************************************** |
| * |
| * Copyright © 2014 VMware, Inc., Palo Alto, CA., USA |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| ******************************************************************************/ |
| |
| #include "vmwgfx_kms.h" |
| #include "svga3d_surfacedefs.h" |
| #include <drm/drm_plane_helper.h> |
| |
| #define vmw_crtc_to_stdu(x) \ |
| container_of(x, struct vmw_screen_target_display_unit, base.crtc) |
| #define vmw_encoder_to_stdu(x) \ |
| container_of(x, struct vmw_screen_target_display_unit, base.encoder) |
| #define vmw_connector_to_stdu(x) \ |
| container_of(x, struct vmw_screen_target_display_unit, base.connector) |
| |
| |
| |
| enum stdu_content_type { |
| SAME_AS_DISPLAY = 0, |
| SEPARATE_SURFACE, |
| SEPARATE_DMA |
| }; |
| |
| |
| |
| /** |
| * struct vmw_screen_target_display_unit |
| * |
| * @base: VMW specific DU structure |
| * @display_srf: surface to be displayed. The dimension of this will always |
| * match the display mode. If the display mode matches |
| * content_vfbs dimensions, then this is a pointer into the |
| * corresponding field in content_vfbs. If not, then this |
| * is a separate buffer to which content_vfbs will blit to. |
| * @content_fb: holds the rendered content, can be a surface or DMA buffer |
| * @content_type: content_fb type |
| * @defined: true if the current display unit has been initialized |
| */ |
| struct vmw_screen_target_display_unit { |
| struct vmw_display_unit base; |
| |
| struct vmw_surface *display_srf; |
| struct drm_framebuffer *content_fb; |
| |
| enum stdu_content_type content_fb_type; |
| |
| bool defined; |
| }; |
| |
| |
| |
| static void vmw_stdu_destroy(struct vmw_screen_target_display_unit *stdu); |
| |
| |
| |
| /****************************************************************************** |
| * Screen Target Display Unit helper Functions |
| *****************************************************************************/ |
| |
| /** |
| * vmw_stdu_pin_display - pins the resource associated with the display surface |
| * |
| * @stdu: contains the display surface |
| * |
| * Since the display surface can either be a private surface allocated by us, |
| * or it can point to the content surface, we use this function to not pin the |
| * same resource twice. |
| */ |
| static int vmw_stdu_pin_display(struct vmw_screen_target_display_unit *stdu) |
| { |
| return vmw_resource_pin(&stdu->display_srf->res); |
| } |
| |
| |
| |
| /** |
| * vmw_stdu_unpin_display - unpins the resource associated with display surface |
| * |
| * @stdu: contains the display surface |
| * |
| * If the display surface was privatedly allocated by |
| * vmw_surface_gb_priv_define() and not registered as a framebuffer, then it |
| * won't be automatically cleaned up when all the framebuffers are freed. As |
| * such, we have to explicitly call vmw_resource_unreference() to get it freed. |
| */ |
| static void vmw_stdu_unpin_display(struct vmw_screen_target_display_unit *stdu) |
| { |
| if (stdu->display_srf) { |
| struct vmw_resource *res = &stdu->display_srf->res; |
| |
| vmw_resource_unpin(res); |
| |
| if (stdu->content_fb_type != SAME_AS_DISPLAY) { |
| vmw_resource_unreference(&res); |
| stdu->content_fb_type = SAME_AS_DISPLAY; |
| } |
| |
| stdu->display_srf = NULL; |
| } |
| } |
| |
| |
| |
| /****************************************************************************** |
| * Screen Target Display Unit CRTC Functions |
| *****************************************************************************/ |
| |
| |
| /** |
| * vmw_stdu_crtc_destroy - cleans up the STDU |
| * |
| * @crtc: used to get a reference to the containing STDU |
| */ |
| static void vmw_stdu_crtc_destroy(struct drm_crtc *crtc) |
| { |
| vmw_stdu_destroy(vmw_crtc_to_stdu(crtc)); |
| } |
| |
| |
| |
| /** |
| * vmw_stdu_dma_update - Update DMA buf dirty region on the SVGA device |
| * |
| * @dev_priv: VMW DRM device |
| * @file_priv: Pointer to a drm file private structure |
| * @vfbs: VMW framebuffer surface that may need a DMA buf update |
| * @x: top/left corner of the content area to blit from |
| * @y: top/left corner of the content area to blit from |
| * @width: width of the blit area |
| * @height: height of the blit area |
| * |
| * The SVGA device may have the DMA buf cached, so before letting the |
| * device use it as the source image for a subsequent operation, we |
| * update the cached copy. |
| * |
| * RETURNs: |
| * 0 on success, error code on failure |
| */ |
| static int vmw_stdu_dma_update(struct vmw_private *dev_priv, |
| struct drm_file *file_priv, |
| struct vmw_framebuffer_surface *vfbs, |
| uint32_t x, uint32_t y, |
| uint32_t width, uint32_t height) |
| { |
| size_t fifo_size; |
| struct { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdUpdateGBImage body; |
| } img_update_cmd; |
| |
| |
| /* Only need to do this if the surface is a DMA buf proxy */ |
| if (!vfbs->is_dmabuf_proxy) |
| return 0; |
| |
| fifo_size = sizeof(img_update_cmd); |
| |
| memset(&img_update_cmd, 0, fifo_size); |
| img_update_cmd.header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE; |
| img_update_cmd.header.size = sizeof(img_update_cmd.body); |
| |
| img_update_cmd.body.image.sid = vfbs->surface->res.id; |
| |
| img_update_cmd.body.box.x = x; |
| img_update_cmd.body.box.y = y; |
| img_update_cmd.body.box.w = width; |
| img_update_cmd.body.box.h = height; |
| img_update_cmd.body.box.d = 1; |
| |
| return vmw_execbuf_process(file_priv, dev_priv, NULL, |
| (void *) &img_update_cmd, |
| fifo_size, 0, VMW_QUIRK_SRC_SID_OK, |
| NULL, NULL); |
| } |
| |
| |
| |
| /** |
| * vmw_stdu_content_copy - copies an area from the content to display surface |
| * |
| * @dev_priv: VMW DRM device |
| * @file_priv: Pointer to a drm file private structure |
| * @stdu: STDU whose display surface will be blitted to |
| * @content_x: top/left corner of the content area to blit from |
| * @content_y: top/left corner of the content area to blit from |
| * @width: width of the blit area |
| * @height: height of the blit area |
| * @display_x: top/left corner of the display area to blit to |
| * @display_y: top/left corner of the display area to blit to |
| * |
| * Copies an area from the content surface to the display surface. |
| * |
| * RETURNs: |
| * 0 on success, error code on failure |
| */ |
| static int vmw_stdu_content_copy(struct vmw_private *dev_priv, |
| struct drm_file *file_priv, |
| struct vmw_screen_target_display_unit *stdu, |
| uint32_t content_x, uint32_t content_y, |
| uint32_t width, uint32_t height, |
| uint32_t display_x, uint32_t display_y) |
| { |
| struct vmw_framebuffer_surface *content_vfbs; |
| size_t fifo_size; |
| int ret; |
| void *cmd; |
| u32 quirks = VMW_QUIRK_DST_SID_OK; |
| |
| struct { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdSurfaceDMA body; |
| SVGA3dCopyBox area; |
| SVGA3dCmdSurfaceDMASuffix suffix; |
| } surface_dma_cmd; |
| |
| struct { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdSurfaceCopy body; |
| SVGA3dCopyBox area; |
| } surface_cpy_cmd; |
| |
| |
| /* |
| * Can only copy if content and display surfaces exist and are not |
| * the same surface |
| */ |
| if (stdu->display_srf == NULL || stdu->content_fb == NULL || |
| stdu->content_fb_type == SAME_AS_DISPLAY) { |
| return -EINVAL; |
| } |
| |
| |
| if (stdu->content_fb_type == SEPARATE_DMA) { |
| struct vmw_framebuffer *content_vfb; |
| struct drm_vmw_size cur_size = {0}; |
| const struct svga3d_surface_desc *desc; |
| enum SVGA3dSurfaceFormat format; |
| SVGA3dCmdSurfaceDMASuffix *suffix; |
| SVGAGuestPtr ptr; |
| |
| |
| content_vfb = vmw_framebuffer_to_vfb(stdu->content_fb); |
| |
| cur_size.width = width; |
| cur_size.height = height; |
| cur_size.depth = 1; |
| |
| /* Derive a SVGA3dSurfaceFormat for the DMA buf */ |
| switch (content_vfb->base.bits_per_pixel) { |
| case 32: |
| format = SVGA3D_A8R8G8B8; |
| break; |
| case 24: |
| format = SVGA3D_X8R8G8B8; |
| break; |
| case 16: |
| format = SVGA3D_R5G6B5; |
| break; |
| case 15: |
| format = SVGA3D_A1R5G5B5; |
| break; |
| default: |
| DRM_ERROR("Invalid color depth: %d\n", |
| content_vfb->base.depth); |
| return -EINVAL; |
| } |
| |
| desc = svga3dsurface_get_desc(format); |
| |
| |
| fifo_size = sizeof(surface_dma_cmd); |
| |
| memset(&surface_dma_cmd, 0, fifo_size); |
| |
| ptr.gmrId = content_vfb->user_handle; |
| ptr.offset = 0; |
| |
| surface_dma_cmd.header.id = SVGA_3D_CMD_SURFACE_DMA; |
| surface_dma_cmd.header.size = sizeof(surface_dma_cmd.body) + |
| sizeof(surface_dma_cmd.area) + |
| sizeof(surface_dma_cmd.suffix); |
| |
| surface_dma_cmd.body.guest.ptr = ptr; |
| surface_dma_cmd.body.guest.pitch = stdu->content_fb->pitches[0]; |
| surface_dma_cmd.body.host.sid = stdu->display_srf->res.id; |
| surface_dma_cmd.body.host.face = 0; |
| surface_dma_cmd.body.host.mipmap = 0; |
| surface_dma_cmd.body.transfer = SVGA3D_WRITE_HOST_VRAM; |
| |
| surface_dma_cmd.area.srcx = content_x; |
| surface_dma_cmd.area.srcy = content_y; |
| surface_dma_cmd.area.x = display_x; |
| surface_dma_cmd.area.y = display_y; |
| surface_dma_cmd.area.d = 1; |
| surface_dma_cmd.area.w = width; |
| surface_dma_cmd.area.h = height; |
| |
| suffix = &surface_dma_cmd.suffix; |
| |
| suffix->suffixSize = sizeof(*suffix); |
| suffix->maximumOffset = svga3dsurface_get_image_buffer_size( |
| desc, |
| &cur_size, |
| stdu->content_fb->pitches[0]); |
| |
| cmd = (void *) &surface_dma_cmd; |
| } else { |
| u32 src_id; |
| |
| |
| content_vfbs = vmw_framebuffer_to_vfbs(stdu->content_fb); |
| |
| if (content_vfbs->is_dmabuf_proxy) { |
| ret = vmw_stdu_dma_update(dev_priv, file_priv, |
| content_vfbs, |
| content_x, content_y, |
| width, height); |
| |
| if (ret != 0) { |
| DRM_ERROR("Failed to update cached DMA buf\n"); |
| return ret; |
| } |
| |
| quirks |= VMW_QUIRK_SRC_SID_OK; |
| src_id = content_vfbs->surface->res.id; |
| } else { |
| struct vmw_framebuffer *content_vfb; |
| |
| content_vfb = vmw_framebuffer_to_vfb(stdu->content_fb); |
| src_id = content_vfb->user_handle; |
| } |
| |
| fifo_size = sizeof(surface_cpy_cmd); |
| |
| memset(&surface_cpy_cmd, 0, fifo_size); |
| |
| surface_cpy_cmd.header.id = SVGA_3D_CMD_SURFACE_COPY; |
| surface_cpy_cmd.header.size = sizeof(surface_cpy_cmd.body) + |
| sizeof(surface_cpy_cmd.area); |
| |
| surface_cpy_cmd.body.src.sid = src_id; |
| surface_cpy_cmd.body.dest.sid = stdu->display_srf->res.id; |
| |
| surface_cpy_cmd.area.srcx = content_x; |
| surface_cpy_cmd.area.srcy = content_y; |
| surface_cpy_cmd.area.x = display_x; |
| surface_cpy_cmd.area.y = display_y; |
| surface_cpy_cmd.area.d = 1; |
| surface_cpy_cmd.area.w = width; |
| surface_cpy_cmd.area.h = height; |
| |
| cmd = (void *) &surface_cpy_cmd; |
| } |
| |
| |
| |
| ret = vmw_execbuf_process(file_priv, dev_priv, NULL, |
| (void *) cmd, |
| fifo_size, 0, quirks, |
| NULL, NULL); |
| |
| return ret; |
| } |
| |
| |
| |
| /** |
| * vmw_stdu_define_st - Defines a Screen Target |
| * |
| * @dev_priv: VMW DRM device |
| * @stdu: display unit to create a Screen Target for |
| * |
| * Creates a STDU that we can used later. This function is called whenever the |
| * framebuffer size changes. |
| * |
| * RETURNs: |
| * 0 on success, error code on failure |
| */ |
| static int vmw_stdu_define_st(struct vmw_private *dev_priv, |
| struct vmw_screen_target_display_unit *stdu) |
| { |
| struct { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdDefineGBScreenTarget body; |
| } *cmd; |
| |
| cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| |
| if (unlikely(cmd == NULL)) { |
| DRM_ERROR("Out of FIFO space defining Screen Target\n"); |
| return -ENOMEM; |
| } |
| |
| cmd->header.id = SVGA_3D_CMD_DEFINE_GB_SCREENTARGET; |
| cmd->header.size = sizeof(cmd->body); |
| |
| cmd->body.stid = stdu->base.unit; |
| cmd->body.width = stdu->display_srf->base_size.width; |
| cmd->body.height = stdu->display_srf->base_size.height; |
| cmd->body.flags = (0 == cmd->body.stid) ? SVGA_STFLAG_PRIMARY : 0; |
| cmd->body.dpi = 0; |
| cmd->body.xRoot = stdu->base.crtc.x; |
| cmd->body.yRoot = stdu->base.crtc.y; |
| |
| if (!stdu->base.is_implicit) { |
| cmd->body.xRoot = stdu->base.gui_x; |
| cmd->body.yRoot = stdu->base.gui_y; |
| } |
| |
| vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
| |
| stdu->defined = true; |
| |
| return 0; |
| } |
| |
| |
| |
| /** |
| * vmw_stdu_bind_st - Binds a surface to a Screen Target |
| * |
| * @dev_priv: VMW DRM device |
| * @stdu: display unit affected |
| * @res: Buffer to bind to the screen target. Set to NULL to blank screen. |
| * |
| * Binding a surface to a Screen Target the same as flipping |
| */ |
| static int vmw_stdu_bind_st(struct vmw_private *dev_priv, |
| struct vmw_screen_target_display_unit *stdu, |
| struct vmw_resource *res) |
| { |
| SVGA3dSurfaceImageId image; |
| |
| struct { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdBindGBScreenTarget body; |
| } *cmd; |
| |
| |
| if (!stdu->defined) { |
| DRM_ERROR("No screen target defined\n"); |
| return -EINVAL; |
| } |
| |
| /* Set up image using information in vfb */ |
| memset(&image, 0, sizeof(image)); |
| image.sid = res ? res->id : SVGA3D_INVALID_ID; |
| |
| cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| |
| if (unlikely(cmd == NULL)) { |
| DRM_ERROR("Out of FIFO space binding a screen target\n"); |
| return -ENOMEM; |
| } |
| |
| cmd->header.id = SVGA_3D_CMD_BIND_GB_SCREENTARGET; |
| cmd->header.size = sizeof(cmd->body); |
| |
| cmd->body.stid = stdu->base.unit; |
| cmd->body.image = image; |
| |
| vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
| |
| return 0; |
| } |
| |
| |
| |
| /** |
| * vmw_stdu_update_st - Updates a Screen Target |
| * |
| * @dev_priv: VMW DRM device |
| * @file_priv: Pointer to DRM file private structure. Set to NULL when |
| * we want to blank display. |
| * @stdu: display unit affected |
| * @update_area: area that needs to be updated |
| * |
| * This function needs to be called whenever the content of a screen |
| * target changes. |
| * If the display and content buffers are different, then this function does |
| * a blit first from the content buffer to the display buffer before issuing |
| * the Screen Target update command. |
| * |
| * RETURNS: |
| * 0 on success, error code on failure |
| */ |
| static int vmw_stdu_update_st(struct vmw_private *dev_priv, |
| struct drm_file *file_priv, |
| struct vmw_screen_target_display_unit *stdu, |
| struct drm_clip_rect *update_area) |
| { |
| u32 width, height; |
| u32 display_update_x, display_update_y; |
| unsigned short display_x1, display_y1, display_x2, display_y2; |
| int ret; |
| |
| struct { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdUpdateGBScreenTarget body; |
| } *cmd; |
| |
| |
| if (!stdu->defined) { |
| DRM_ERROR("No screen target defined"); |
| return -EINVAL; |
| } |
| |
| /* Display coordinates relative to its position in content surface */ |
| display_x1 = stdu->base.crtc.x; |
| display_y1 = stdu->base.crtc.y; |
| display_x2 = display_x1 + stdu->display_srf->base_size.width; |
| display_y2 = display_y1 + stdu->display_srf->base_size.height; |
| |
| /* Do nothing if the update area is outside of the display surface */ |
| if (update_area->x2 <= display_x1 || update_area->x1 >= display_x2 || |
| update_area->y2 <= display_y1 || update_area->y1 >= display_y2) |
| return 0; |
| |
| /* The top-left hand corner of the update area in display surface */ |
| display_update_x = max(update_area->x1 - display_x1, 0); |
| display_update_y = max(update_area->y1 - display_y1, 0); |
| |
| width = min(update_area->x2, display_x2) - |
| max(update_area->x1, display_x1); |
| height = min(update_area->y2, display_y2) - |
| max(update_area->y1, display_y1); |
| |
| /* |
| * If content is on a separate surface, then copy the dirty area to |
| * the display surface |
| */ |
| if (file_priv && stdu->content_fb_type != SAME_AS_DISPLAY) { |
| |
| ret = vmw_stdu_content_copy(dev_priv, file_priv, |
| stdu, |
| max(update_area->x1, display_x1), |
| max(update_area->y1, display_y1), |
| width, height, |
| display_update_x, display_update_y); |
| if (unlikely(ret != 0)) { |
| DRM_ERROR("Failed to blit content\n"); |
| return ret; |
| } |
| } |
| |
| |
| /* |
| * If the display surface is the same as the content surface, then |
| * it may be backed by a DMA buf. If it is then we need to update |
| * the device's cached copy of the DMA buf before issuing the screen |
| * target update. |
| */ |
| if (file_priv && stdu->content_fb_type == SAME_AS_DISPLAY) { |
| struct vmw_framebuffer_surface *vfbs; |
| |
| vfbs = vmw_framebuffer_to_vfbs(stdu->content_fb); |
| ret = vmw_stdu_dma_update(dev_priv, file_priv, |
| vfbs, |
| max(update_area->x1, display_x1), |
| max(update_area->y1, display_y1), |
| width, height); |
| |
| if (ret != 0) { |
| DRM_ERROR("Failed to update cached DMA buffer\n"); |
| return ret; |
| } |
| } |
| |
| cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| |
| if (unlikely(cmd == NULL)) { |
| DRM_ERROR("Out of FIFO space updating a Screen Target\n"); |
| return -ENOMEM; |
| } |
| |
| cmd->header.id = SVGA_3D_CMD_UPDATE_GB_SCREENTARGET; |
| cmd->header.size = sizeof(cmd->body); |
| |
| cmd->body.stid = stdu->base.unit; |
| cmd->body.rect.x = display_update_x; |
| cmd->body.rect.y = display_update_y; |
| cmd->body.rect.w = width; |
| cmd->body.rect.h = height; |
| |
| vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
| |
| return 0; |
| } |
| |
| |
| |
| /** |
| * vmw_stdu_destroy_st - Destroy a Screen Target |
| * |
| * @dev_priv: VMW DRM device |
| * @stdu: display unit to destroy |
| */ |
| static int vmw_stdu_destroy_st(struct vmw_private *dev_priv, |
| struct vmw_screen_target_display_unit *stdu) |
| { |
| int ret; |
| |
| struct { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdDestroyGBScreenTarget body; |
| } *cmd; |
| |
| |
| /* Nothing to do if not successfully defined */ |
| if (unlikely(!stdu->defined)) |
| return 0; |
| |
| cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| |
| if (unlikely(cmd == NULL)) { |
| DRM_ERROR("Out of FIFO space, screen target not destroyed\n"); |
| return -ENOMEM; |
| } |
| |
| cmd->header.id = SVGA_3D_CMD_DESTROY_GB_SCREENTARGET; |
| cmd->header.size = sizeof(cmd->body); |
| |
| cmd->body.stid = stdu->base.unit; |
| |
| vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
| |
| /* Force sync */ |
| ret = vmw_fallback_wait(dev_priv, false, true, 0, false, 3*HZ); |
| if (unlikely(ret != 0)) |
| DRM_ERROR("Failed to sync with HW"); |
| |
| stdu->defined = false; |
| |
| return ret; |
| } |
| |
| |
| |
| /** |
| * vmw_stdu_crtc_set_config - Sets a mode |
| * |
| * @set: mode parameters |
| * |
| * This function is the device-specific portion of the DRM CRTC mode set. |
| * For the SVGA device, we do this by defining a Screen Target, binding a |
| * GB Surface to that target, and finally update the screen target. |
| * |
| * RETURNS: |
| * 0 on success, error code otherwise |
| */ |
| static int vmw_stdu_crtc_set_config(struct drm_mode_set *set) |
| { |
| struct vmw_private *dev_priv; |
| struct vmw_screen_target_display_unit *stdu; |
| struct vmw_framebuffer *vfb; |
| struct vmw_framebuffer_surface *new_vfbs; |
| struct drm_display_mode *mode; |
| struct drm_framebuffer *new_fb; |
| struct drm_crtc *crtc; |
| struct drm_encoder *encoder; |
| struct drm_connector *connector; |
| struct drm_clip_rect update_area = {0}; |
| int ret; |
| |
| |
| if (!set || !set->crtc) |
| return -EINVAL; |
| |
| crtc = set->crtc; |
| crtc->x = set->x; |
| crtc->y = set->y; |
| stdu = vmw_crtc_to_stdu(crtc); |
| mode = set->mode; |
| new_fb = set->fb; |
| dev_priv = vmw_priv(crtc->dev); |
| |
| |
| if (set->num_connectors > 1) { |
| DRM_ERROR("Too many connectors\n"); |
| return -EINVAL; |
| } |
| |
| if (set->num_connectors == 1 && |
| set->connectors[0] != &stdu->base.connector) { |
| DRM_ERROR("Connectors don't match %p %p\n", |
| set->connectors[0], &stdu->base.connector); |
| return -EINVAL; |
| } |
| |
| |
| /* Since they always map one to one these are safe */ |
| connector = &stdu->base.connector; |
| encoder = &stdu->base.encoder; |
| |
| |
| /* |
| * After this point the CRTC will be considered off unless a new fb |
| * is bound |
| */ |
| if (stdu->defined) { |
| /* Unbind current surface by binding an invalid one */ |
| ret = vmw_stdu_bind_st(dev_priv, stdu, NULL); |
| if (unlikely(ret != 0)) |
| return ret; |
| |
| /* Update Screen Target, display will now be blank */ |
| if (crtc->primary->fb) { |
| update_area.x2 = crtc->primary->fb->width; |
| update_area.y2 = crtc->primary->fb->height; |
| |
| ret = vmw_stdu_update_st(dev_priv, NULL, |
| stdu, |
| &update_area); |
| if (unlikely(ret != 0)) |
| return ret; |
| } |
| |
| crtc->primary->fb = NULL; |
| crtc->enabled = false; |
| encoder->crtc = NULL; |
| connector->encoder = NULL; |
| |
| vmw_stdu_unpin_display(stdu); |
| stdu->content_fb = NULL; |
| stdu->content_fb_type = SAME_AS_DISPLAY; |
| |
| ret = vmw_stdu_destroy_st(dev_priv, stdu); |
| /* The hardware is hung, give up */ |
| if (unlikely(ret != 0)) |
| return ret; |
| } |
| |
| |
| /* Any of these conditions means the caller wants CRTC off */ |
| if (set->num_connectors == 0 || !mode || !new_fb) |
| return 0; |
| |
| |
| if (set->x + mode->hdisplay > new_fb->width || |
| set->y + mode->vdisplay > new_fb->height) { |
| DRM_ERROR("Set outside of framebuffer\n"); |
| return -EINVAL; |
| } |
| |
| stdu->content_fb = new_fb; |
| vfb = vmw_framebuffer_to_vfb(stdu->content_fb); |
| |
| if (vfb->dmabuf) |
| stdu->content_fb_type = SEPARATE_DMA; |
| |
| /* |
| * If the requested mode is different than the width and height |
| * of the FB or if the content buffer is a DMA buf, then allocate |
| * a display FB that matches the dimension of the mode |
| */ |
| if (mode->hdisplay != new_fb->width || |
| mode->vdisplay != new_fb->height || |
| stdu->content_fb_type != SAME_AS_DISPLAY) { |
| struct vmw_surface content_srf; |
| struct drm_vmw_size display_base_size = {0}; |
| struct vmw_surface *display_srf; |
| |
| |
| display_base_size.width = mode->hdisplay; |
| display_base_size.height = mode->vdisplay; |
| display_base_size.depth = 1; |
| |
| /* |
| * If content buffer is a DMA buf, then we have to construct |
| * surface info |
| */ |
| if (stdu->content_fb_type == SEPARATE_DMA) { |
| |
| switch (new_fb->bits_per_pixel) { |
| case 32: |
| content_srf.format = SVGA3D_X8R8G8B8; |
| break; |
| |
| case 16: |
| content_srf.format = SVGA3D_R5G6B5; |
| break; |
| |
| case 8: |
| content_srf.format = SVGA3D_P8; |
| break; |
| |
| default: |
| DRM_ERROR("Invalid format\n"); |
| ret = -EINVAL; |
| goto err_unref_content; |
| } |
| |
| content_srf.flags = 0; |
| content_srf.mip_levels[0] = 1; |
| content_srf.multisample_count = 0; |
| } else { |
| |
| stdu->content_fb_type = SEPARATE_SURFACE; |
| |
| new_vfbs = vmw_framebuffer_to_vfbs(new_fb); |
| content_srf = *new_vfbs->surface; |
| } |
| |
| |
| ret = vmw_surface_gb_priv_define(crtc->dev, |
| 0, /* because kernel visible only */ |
| content_srf.flags, |
| content_srf.format, |
| true, /* a scanout buffer */ |
| content_srf.mip_levels[0], |
| content_srf.multisample_count, |
| display_base_size, |
| &display_srf); |
| if (unlikely(ret != 0)) { |
| DRM_ERROR("Cannot allocate a display FB.\n"); |
| goto err_unref_content; |
| } |
| |
| stdu->display_srf = display_srf; |
| } else { |
| new_vfbs = vmw_framebuffer_to_vfbs(new_fb); |
| stdu->display_srf = new_vfbs->surface; |
| } |
| |
| |
| ret = vmw_stdu_pin_display(stdu); |
| if (unlikely(ret != 0)) { |
| stdu->display_srf = NULL; |
| goto err_unref_content; |
| } |
| |
| vmw_fb_off(dev_priv); |
| vmw_svga_enable(dev_priv); |
| |
| /* |
| * Steps to displaying a surface, assume surface is already |
| * bound: |
| * 1. define a screen target |
| * 2. bind a fb to the screen target |
| * 3. update that screen target (this is done later by |
| * vmw_kms_stdu_do_surface_dirty_or_present) |
| */ |
| ret = vmw_stdu_define_st(dev_priv, stdu); |
| if (unlikely(ret != 0)) |
| goto err_unpin_display_and_content; |
| |
| ret = vmw_stdu_bind_st(dev_priv, stdu, &stdu->display_srf->res); |
| if (unlikely(ret != 0)) |
| goto err_unpin_destroy_st; |
| |
| |
| connector->encoder = encoder; |
| encoder->crtc = crtc; |
| |
| crtc->mode = *mode; |
| crtc->primary->fb = new_fb; |
| crtc->enabled = true; |
| |
| return ret; |
| |
| err_unpin_destroy_st: |
| vmw_stdu_destroy_st(dev_priv, stdu); |
| err_unpin_display_and_content: |
| vmw_stdu_unpin_display(stdu); |
| err_unref_content: |
| stdu->content_fb = NULL; |
| return ret; |
| } |
| |
| |
| |
| /** |
| * vmw_stdu_crtc_page_flip - Binds a buffer to a screen target |
| * |
| * @crtc: CRTC to attach FB to |
| * @fb: FB to attach |
| * @event: Event to be posted. This event should've been alloced |
| * using k[mz]alloc, and should've been completely initialized. |
| * @page_flip_flags: Input flags. |
| * |
| * If the STDU uses the same display and content buffers, i.e. a true flip, |
| * this function will replace the existing display buffer with the new content |
| * buffer. |
| * |
| * If the STDU uses different display and content buffers, i.e. a blit, then |
| * only the content buffer will be updated. |
| * |
| * RETURNS: |
| * 0 on success, error code on failure |
| */ |
| static int vmw_stdu_crtc_page_flip(struct drm_crtc *crtc, |
| struct drm_framebuffer *new_fb, |
| struct drm_pending_vblank_event *event, |
| uint32_t flags) |
| |
| { |
| struct vmw_private *dev_priv = vmw_priv(crtc->dev); |
| struct vmw_screen_target_display_unit *stdu; |
| struct drm_file *file_priv; |
| struct drm_clip_rect update_area = {0}; |
| int ret; |
| |
| /* |
| * Temporarily don't support event == NULL. We need the |
| * @file_priv pointer! |
| */ |
| if (event == NULL) |
| return -EINVAL; |
| |
| if (crtc == NULL) |
| return -EINVAL; |
| |
| dev_priv = vmw_priv(crtc->dev); |
| stdu = vmw_crtc_to_stdu(crtc); |
| crtc->primary->fb = new_fb; |
| stdu->content_fb = new_fb; |
| |
| if (stdu->display_srf) { |
| update_area.x2 = stdu->display_srf->base_size.width; |
| update_area.y2 = stdu->display_srf->base_size.height; |
| |
| /* |
| * If the display surface is the same as the content surface |
| * then remove the reference |
| */ |
| if (stdu->content_fb_type == SAME_AS_DISPLAY) { |
| if (stdu->defined) { |
| /* Unbind the current surface */ |
| ret = vmw_stdu_bind_st(dev_priv, stdu, NULL); |
| if (unlikely(ret != 0)) |
| goto err_out; |
| } |
| vmw_stdu_unpin_display(stdu); |
| stdu->display_srf = NULL; |
| } |
| } |
| |
| |
| if (!new_fb) { |
| /* Blanks the display */ |
| (void) vmw_stdu_update_st(dev_priv, NULL, stdu, &update_area); |
| |
| return 0; |
| } |
| |
| |
| if (stdu->content_fb_type == SAME_AS_DISPLAY) { |
| stdu->display_srf = vmw_framebuffer_to_vfbs(new_fb)->surface; |
| ret = vmw_stdu_pin_display(stdu); |
| if (ret) { |
| stdu->display_srf = NULL; |
| goto err_out; |
| } |
| |
| /* Bind display surface */ |
| ret = vmw_stdu_bind_st(dev_priv, stdu, &stdu->display_srf->res); |
| if (unlikely(ret != 0)) |
| goto err_unpin_display_and_content; |
| } |
| |
| /* Update display surface: after this point everything is bound */ |
| update_area.x2 = stdu->display_srf->base_size.width; |
| update_area.y2 = stdu->display_srf->base_size.height; |
| |
| file_priv = event->base.file_priv; |
| ret = vmw_stdu_update_st(dev_priv, file_priv, stdu, &update_area); |
| if (unlikely(ret != 0)) |
| return ret; |
| |
| if (event) { |
| struct vmw_fence_obj *fence = NULL; |
| |
| vmw_execbuf_fence_commands(NULL, dev_priv, &fence, NULL); |
| if (!fence) |
| return -ENOMEM; |
| |
| ret = vmw_event_fence_action_queue(file_priv, fence, |
| &event->base, |
| &event->event.tv_sec, |
| &event->event.tv_usec, |
| true); |
| vmw_fence_obj_unreference(&fence); |
| } |
| |
| return ret; |
| |
| err_unpin_display_and_content: |
| vmw_stdu_unpin_display(stdu); |
| err_out: |
| crtc->primary->fb = NULL; |
| stdu->content_fb = NULL; |
| return ret; |
| } |
| |
| |
| |
| /* |
| * Screen Target CRTC dispatch table |
| */ |
| static struct drm_crtc_funcs vmw_stdu_crtc_funcs = { |
| .save = vmw_du_crtc_save, |
| .restore = vmw_du_crtc_restore, |
| .cursor_set = vmw_du_crtc_cursor_set, |
| .cursor_move = vmw_du_crtc_cursor_move, |
| .gamma_set = vmw_du_crtc_gamma_set, |
| .destroy = vmw_stdu_crtc_destroy, |
| .set_config = vmw_stdu_crtc_set_config, |
| .page_flip = vmw_stdu_crtc_page_flip, |
| }; |
| |
| |
| |
| /****************************************************************************** |
| * Screen Target Display Unit Encoder Functions |
| *****************************************************************************/ |
| |
| /** |
| * vmw_stdu_encoder_destroy - cleans up the STDU |
| * |
| * @encoder: used the get the containing STDU |
| * |
| * vmwgfx cleans up crtc/encoder/connector all at the same time so technically |
| * this can be a no-op. Nevertheless, it doesn't hurt of have this in case |
| * the common KMS code changes and somehow vmw_stdu_crtc_destroy() doesn't |
| * get called. |
| */ |
| static void vmw_stdu_encoder_destroy(struct drm_encoder *encoder) |
| { |
| vmw_stdu_destroy(vmw_encoder_to_stdu(encoder)); |
| } |
| |
| static struct drm_encoder_funcs vmw_stdu_encoder_funcs = { |
| .destroy = vmw_stdu_encoder_destroy, |
| }; |
| |
| |
| |
| /****************************************************************************** |
| * Screen Target Display Unit Connector Functions |
| *****************************************************************************/ |
| |
| /** |
| * vmw_stdu_connector_destroy - cleans up the STDU |
| * |
| * @connector: used to get the containing STDU |
| * |
| * vmwgfx cleans up crtc/encoder/connector all at the same time so technically |
| * this can be a no-op. Nevertheless, it doesn't hurt of have this in case |
| * the common KMS code changes and somehow vmw_stdu_crtc_destroy() doesn't |
| * get called. |
| */ |
| static void vmw_stdu_connector_destroy(struct drm_connector *connector) |
| { |
| vmw_stdu_destroy(vmw_connector_to_stdu(connector)); |
| } |
| |
| |
| |
| static struct drm_connector_funcs vmw_stdu_connector_funcs = { |
| .dpms = vmw_du_connector_dpms, |
| .save = vmw_du_connector_save, |
| .restore = vmw_du_connector_restore, |
| .detect = vmw_du_connector_detect, |
| .fill_modes = vmw_du_connector_fill_modes, |
| .set_property = vmw_du_connector_set_property, |
| .destroy = vmw_stdu_connector_destroy, |
| }; |
| |
| |
| |
| /** |
| * vmw_stdu_init - Sets up a Screen Target Display Unit |
| * |
| * @dev_priv: VMW DRM device |
| * @unit: unit number range from 0 to VMWGFX_NUM_DISPLAY_UNITS |
| * |
| * This function is called once per CRTC, and allocates one Screen Target |
| * display unit to represent that CRTC. Since the SVGA device does not separate |
| * out encoder and connector, they are represented as part of the STDU as well. |
| */ |
| static int vmw_stdu_init(struct vmw_private *dev_priv, unsigned unit) |
| { |
| struct vmw_screen_target_display_unit *stdu; |
| struct drm_device *dev = dev_priv->dev; |
| struct drm_connector *connector; |
| struct drm_encoder *encoder; |
| struct drm_crtc *crtc; |
| |
| |
| stdu = kzalloc(sizeof(*stdu), GFP_KERNEL); |
| if (!stdu) |
| return -ENOMEM; |
| |
| stdu->base.unit = unit; |
| crtc = &stdu->base.crtc; |
| encoder = &stdu->base.encoder; |
| connector = &stdu->base.connector; |
| |
| stdu->base.pref_active = (unit == 0); |
| stdu->base.pref_width = dev_priv->initial_width; |
| stdu->base.pref_height = dev_priv->initial_height; |
| stdu->base.pref_mode = NULL; |
| stdu->base.is_implicit = true; |
| |
| drm_connector_init(dev, connector, &vmw_stdu_connector_funcs, |
| DRM_MODE_CONNECTOR_VIRTUAL); |
| connector->status = vmw_du_connector_detect(connector, false); |
| |
| drm_encoder_init(dev, encoder, &vmw_stdu_encoder_funcs, |
| DRM_MODE_ENCODER_VIRTUAL); |
| drm_mode_connector_attach_encoder(connector, encoder); |
| encoder->possible_crtcs = (1 << unit); |
| encoder->possible_clones = 0; |
| |
| (void) drm_connector_register(connector); |
| |
| drm_crtc_init(dev, crtc, &vmw_stdu_crtc_funcs); |
| |
| drm_mode_crtc_set_gamma_size(crtc, 256); |
| |
| drm_object_attach_property(&connector->base, |
| dev->mode_config.dirty_info_property, |
| 1); |
| |
| return 0; |
| } |
| |
| |
| |
| /** |
| * vmw_stdu_destroy - Cleans up a vmw_screen_target_display_unit |
| * |
| * @stdu: Screen Target Display Unit to be destroyed |
| * |
| * Clean up after vmw_stdu_init |
| */ |
| static void vmw_stdu_destroy(struct vmw_screen_target_display_unit *stdu) |
| { |
| vmw_stdu_unpin_display(stdu); |
| |
| vmw_du_cleanup(&stdu->base); |
| kfree(stdu); |
| } |
| |
| |
| |
| /****************************************************************************** |
| * Screen Target Display KMS Functions |
| * |
| * These functions are called by the common KMS code in vmwgfx_kms.c |
| *****************************************************************************/ |
| |
| /** |
| * vmw_kms_stdu_init_display - Initializes a Screen Target based display |
| * |
| * @dev_priv: VMW DRM device |
| * |
| * This function initialize a Screen Target based display device. It checks |
| * the capability bits to make sure the underlying hardware can support |
| * screen targets, and then creates the maximum number of CRTCs, a.k.a Display |
| * Units, as supported by the display hardware. |
| * |
| * RETURNS: |
| * 0 on success, error code otherwise |
| */ |
| int vmw_kms_stdu_init_display(struct vmw_private *dev_priv) |
| { |
| struct drm_device *dev = dev_priv->dev; |
| int i, ret; |
| |
| |
| /* Do nothing if Screen Target support is turned off */ |
| if (!VMWGFX_ENABLE_SCREEN_TARGET_OTABLE) |
| return -ENOSYS; |
| |
| if (!(dev_priv->capabilities & SVGA_CAP_GBOBJECTS)) |
| return -ENOSYS; |
| |
| ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS); |
| if (unlikely(ret != 0)) |
| return ret; |
| |
| ret = drm_mode_create_dirty_info_property(dev); |
| if (unlikely(ret != 0)) |
| goto err_vblank_cleanup; |
| |
| for (i = 0; i < VMWGFX_NUM_DISPLAY_UNITS; ++i) { |
| ret = vmw_stdu_init(dev_priv, i); |
| |
| if (unlikely(ret != 0)) { |
| DRM_ERROR("Failed to initialize STDU %d", i); |
| goto err_vblank_cleanup; |
| } |
| } |
| |
| dev_priv->active_display_unit = vmw_du_screen_target; |
| |
| DRM_INFO("Screen Target Display device initialized\n"); |
| |
| return 0; |
| |
| err_vblank_cleanup: |
| drm_vblank_cleanup(dev); |
| return ret; |
| } |
| |
| |
| |
| /** |
| * vmw_kms_stdu_close_display - Cleans up after vmw_kms_stdu_init_display |
| * |
| * @dev_priv: VMW DRM device |
| * |
| * Frees up any resources allocated by vmw_kms_stdu_init_display |
| * |
| * RETURNS: |
| * 0 on success |
| */ |
| int vmw_kms_stdu_close_display(struct vmw_private *dev_priv) |
| { |
| struct drm_device *dev = dev_priv->dev; |
| |
| drm_vblank_cleanup(dev); |
| |
| return 0; |
| } |
| |
| |
| |
| /** |
| * vmw_kms_stdu_do_surface_dirty - updates a dirty rectange to SVGA device |
| * |
| * @dev_priv: VMW DRM device |
| * @file_priv: Pointer to a drm file private structure |
| * @framebuffer: FB with the new content to be copied to SVGA device |
| * @clip_rects: array of dirty rectanges |
| * @num_of_clip_rects: number of rectanges in @clips |
| * @increment: increment to the next dirty rect in @clips |
| * |
| * This function sends an Update command to the SVGA device. This will notify |
| * the device that a region needs to be copied to the screen. At this time |
| * we are not coalescing clip rects into one large clip rect because the SVGA |
| * device will do it for us. |
| * |
| * RETURNS: |
| * 0 on success, error code otherwise |
| */ |
| int vmw_kms_stdu_do_surface_dirty(struct vmw_private *dev_priv, |
| struct drm_file *file_priv, |
| struct vmw_framebuffer *framebuffer, |
| struct drm_clip_rect *clip_rects, |
| unsigned num_of_clip_rects, int increment) |
| { |
| struct vmw_screen_target_display_unit *stdu[VMWGFX_NUM_DISPLAY_UNITS]; |
| struct drm_clip_rect *cur_rect; |
| struct drm_crtc *crtc; |
| |
| unsigned num_of_du = 0, cur_du, count = 0; |
| int ret = 0; |
| |
| |
| BUG_ON(!clip_rects || !num_of_clip_rects); |
| |
| /* Figure out all the DU affected by this surface */ |
| list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, |
| head) { |
| if (crtc->primary->fb != &framebuffer->base) |
| continue; |
| |
| stdu[num_of_du++] = vmw_crtc_to_stdu(crtc); |
| } |
| |
| for (cur_du = 0; cur_du < num_of_du; cur_du++) |
| for (cur_rect = clip_rects, count = 0; |
| count < num_of_clip_rects && ret == 0; |
| cur_rect += increment, count++) { |
| ret = vmw_stdu_update_st(dev_priv, file_priv, |
| stdu[cur_du], |
| cur_rect); |
| } |
| |
| return ret; |
| } |
| |
| |
| |
| /** |
| * vmw_kms_stdu_present - present a surface to the display surface |
| * |
| * @dev_priv: VMW DRM device |
| * @file_priv: Pointer to a drm file private structure |
| * @vfb: Used to pick which STDU(s) is affected |
| * @user_handle: user handle for the source surface |
| * @dest_x: top/left corner of the display area to blit to |
| * @dest_y: top/left corner of the display area to blit to |
| * @clip_rects: array of dirty rectanges |
| * @num_of_clip_rects: number of rectanges in @clips |
| * |
| * This function copies a surface onto the display surface, and |
| * updates the screen target. Strech blit is currently not |
| * supported. |
| * |
| * RETURNS: |
| * 0 on success, error code otherwise |
| */ |
| int vmw_kms_stdu_present(struct vmw_private *dev_priv, |
| struct drm_file *file_priv, |
| struct vmw_framebuffer *vfb, |
| uint32_t user_handle, |
| int32_t dest_x, int32_t dest_y, |
| struct drm_vmw_rect *clip_rects, |
| uint32_t num_of_clip_rects) |
| { |
| struct vmw_screen_target_display_unit *stdu[VMWGFX_NUM_DISPLAY_UNITS]; |
| struct drm_clip_rect *update_area; |
| struct drm_crtc *crtc; |
| size_t fifo_size; |
| int num_of_du = 0, cur_du, i; |
| int ret = 0; |
| struct vmw_clip_rect src_bb; |
| |
| struct { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdSurfaceCopy body; |
| } *cmd; |
| SVGA3dCopyBox *blits; |
| |
| |
| BUG_ON(!clip_rects || !num_of_clip_rects); |
| |
| list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { |
| if (crtc->primary->fb != &vfb->base) |
| continue; |
| |
| stdu[num_of_du++] = vmw_crtc_to_stdu(crtc); |
| } |
| |
| |
| update_area = kcalloc(num_of_clip_rects, sizeof(*update_area), |
| GFP_KERNEL); |
| if (unlikely(update_area == NULL)) { |
| DRM_ERROR("Temporary clip rect memory alloc failed.\n"); |
| return -ENOMEM; |
| } |
| |
| |
| fifo_size = sizeof(*cmd) + sizeof(SVGA3dCopyBox) * num_of_clip_rects; |
| |
| cmd = kmalloc(fifo_size, GFP_KERNEL); |
| if (unlikely(cmd == NULL)) { |
| DRM_ERROR("Failed to allocate memory for surface copy.\n"); |
| ret = -ENOMEM; |
| goto out_free_update_area; |
| } |
| |
| memset(cmd, 0, fifo_size); |
| cmd->header.id = SVGA_3D_CMD_SURFACE_COPY; |
| |
| blits = (SVGA3dCopyBox *)&cmd[1]; |
| |
| |
| /* Figure out the source bounding box */ |
| src_bb.x1 = clip_rects->x; |
| src_bb.y1 = clip_rects->y; |
| src_bb.x2 = clip_rects->x + clip_rects->w; |
| src_bb.y2 = clip_rects->y + clip_rects->h; |
| |
| for (i = 1; i < num_of_clip_rects; i++) { |
| src_bb.x1 = min_t(int, src_bb.x1, clip_rects[i].x); |
| src_bb.x2 = max_t(int, src_bb.x2, |
| clip_rects[i].x + (int) clip_rects[i].w); |
| src_bb.y1 = min_t(int, src_bb.y1, clip_rects[i].y); |
| src_bb.y2 = max_t(int, src_bb.y2, |
| clip_rects[i].y + (int) clip_rects[i].h); |
| } |
| |
| for (i = 0; i < num_of_clip_rects; i++) { |
| update_area[i].x1 = clip_rects[i].x - src_bb.x1; |
| update_area[i].x2 = update_area[i].x1 + clip_rects[i].w; |
| update_area[i].y1 = clip_rects[i].y - src_bb.y1; |
| update_area[i].y2 = update_area[i].y1 + clip_rects[i].h; |
| } |
| |
| |
| for (cur_du = 0; cur_du < num_of_du; cur_du++) { |
| struct vmw_clip_rect dest_bb; |
| int num_of_blits; |
| |
| crtc = &stdu[cur_du]->base.crtc; |
| |
| dest_bb.x1 = src_bb.x1 + dest_x - crtc->x; |
| dest_bb.y1 = src_bb.y1 + dest_y - crtc->y; |
| dest_bb.x2 = src_bb.x2 + dest_x - crtc->x; |
| dest_bb.y2 = src_bb.y2 + dest_y - crtc->y; |
| |
| /* Skip any STDU outside of the destination bounding box */ |
| if (dest_bb.x1 >= crtc->mode.hdisplay || |
| dest_bb.y1 >= crtc->mode.vdisplay || |
| dest_bb.x2 <= 0 || dest_bb.y2 <= 0) |
| continue; |
| |
| /* Normalize to top-left of src bounding box in dest coord */ |
| dest_bb.x2 = crtc->mode.hdisplay - dest_bb.x1; |
| dest_bb.y2 = crtc->mode.vdisplay - dest_bb.y1; |
| dest_bb.x1 = 0 - dest_bb.x1; |
| dest_bb.y1 = 0 - dest_bb.y1; |
| |
| for (i = 0, num_of_blits = 0; i < num_of_clip_rects; i++) { |
| int x1 = max_t(int, dest_bb.x1, (int)update_area[i].x1); |
| int y1 = max_t(int, dest_bb.y1, (int)update_area[i].y1); |
| int x2 = min_t(int, dest_bb.x2, (int)update_area[i].x2); |
| int y2 = min_t(int, dest_bb.y2, (int)update_area[i].y2); |
| |
| if (x1 >= x2) |
| continue; |
| |
| if (y1 >= y2) |
| continue; |
| |
| blits[num_of_blits].srcx = src_bb.x1 + x1; |
| blits[num_of_blits].srcy = src_bb.y1 + y1; |
| blits[num_of_blits].x = -dest_bb.x1 + x1; |
| blits[num_of_blits].y = -dest_bb.y1 + y1; |
| blits[num_of_blits].d = 1; |
| blits[num_of_blits].w = x2 - x1; |
| blits[num_of_blits].h = y2 - y1; |
| num_of_blits++; |
| } |
| |
| if (num_of_blits == 0) |
| continue; |
| |
| /* Calculate new command size */ |
| fifo_size = sizeof(*cmd) + sizeof(SVGA3dCopyBox) * num_of_blits; |
| |
| cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header)); |
| |
| cmd->body.src.sid = user_handle; |
| cmd->body.dest.sid = stdu[cur_du]->display_srf->res.id; |
| |
| ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, |
| fifo_size, 0, VMW_QUIRK_DST_SID_OK, |
| NULL, NULL); |
| |
| if (unlikely(ret != 0)) |
| break; |
| |
| for (i = 0; i < num_of_blits; i++) { |
| struct drm_clip_rect blit_area; |
| |
| /* |
| * Add crtc offset because vmw_stdu_update_st expects |
| * desktop coordinates |
| */ |
| blit_area.x1 = blits[i].x + crtc->x; |
| blit_area.x2 = blit_area.x1 + blits[i].w; |
| blit_area.y1 = blits[i].y + crtc->y; |
| blit_area.y2 = blit_area.y1 + blits[i].h; |
| (void) vmw_stdu_update_st(dev_priv, NULL, stdu[cur_du], |
| &blit_area); |
| } |
| } |
| |
| kfree(cmd); |
| |
| out_free_update_area: |
| kfree(update_area); |
| |
| return ret; |
| } |