diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c | 996 |
1 files changed, 384 insertions, 612 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c index becf9650c228..493fcd1eb803 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright © 2014 VMware, Inc., Palo Alto, CA., USA + * COPYRIGHT © 2014 VMware, Inc., Palo Alto, CA., USA * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -44,6 +44,47 @@ enum stdu_content_type { SEPARATE_DMA }; +/** + * struct vmw_stdu_dirty - closure structure for the update functions + * + * @base: The base type we derive from. Used by vmw_kms_helper_dirty(). + * @transfer: Transfer direction for DMA command. + * @left: Left side of bounding box. + * @right: Right side of bounding box. + * @top: Top side of bounding box. + * @bottom: Bottom side of bounding box. + * @buf: DMA buffer when DMA-ing between buffer and screen targets. + * @sid: Surface ID when copying between surface and screen targets. + */ +struct vmw_stdu_dirty { + struct vmw_kms_dirty base; + SVGA3dTransferType transfer; + s32 left, right, top, bottom; + u32 pitch; + union { + struct vmw_dma_buffer *buf; + u32 sid; + }; +}; + +/* + * SVGA commands that are used by this code. Please see the device headers + * for explanation. + */ +struct vmw_stdu_update { + SVGA3dCmdHeader header; + SVGA3dCmdUpdateGBScreenTarget body; +}; + +struct vmw_stdu_dma { + SVGA3dCmdHeader header; + SVGA3dCmdSurfaceDMA body; +}; + +struct vmw_stdu_surface_copy { + SVGA3dCmdHeader header; + SVGA3dCmdSurfaceCopy body; +}; /** @@ -139,254 +180,6 @@ 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 * @@ -487,108 +280,56 @@ static int vmw_stdu_bind_st(struct vmw_private *dev_priv, return 0; } +/** + * vmw_stdu_populate_update - populate an UPDATE_GB_SCREENTARGET command with a + * bounding box. + * + * @cmd: Pointer to command stream. + * @unit: Screen target unit. + * @left: Left side of bounding box. + * @right: Right side of bounding box. + * @top: Top side of bounding box. + * @bottom: Bottom side of bounding box. + */ +static void vmw_stdu_populate_update(void *cmd, int unit, + s32 left, s32 right, s32 top, s32 bottom) +{ + struct vmw_stdu_update *update = cmd; + + update->header.id = SVGA_3D_CMD_UPDATE_GB_SCREENTARGET; + update->header.size = sizeof(update->body); + update->body.stid = unit; + update->body.rect.x = left; + update->body.rect.y = top; + update->body.rect.w = right - left; + update->body.rect.h = bottom - top; +} /** - * vmw_stdu_update_st - Updates a Screen Target + * vmw_stdu_update_st - Full update of 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. + * target has changed completely. Typically as a result of a backing + * surface change. * * 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) + struct vmw_screen_target_display_unit *stdu) { - 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; - + struct vmw_stdu_update *cmd; + struct drm_crtc *crtc = &stdu->base.crtc; 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)) { @@ -596,14 +337,8 @@ static int vmw_stdu_update_st(struct vmw_private *dev_priv, 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_stdu_populate_update(cmd, stdu->base.unit, 0, crtc->mode.hdisplay, + 0, crtc->mode.vdisplay); vmw_fifo_commit(dev_priv, sizeof(*cmd)); @@ -682,7 +417,6 @@ static int vmw_stdu_crtc_set_config(struct drm_mode_set *set) struct drm_crtc *crtc; struct drm_encoder *encoder; struct drm_connector *connector; - struct drm_clip_rect update_area = {0}; int ret; @@ -728,12 +462,7 @@ static int vmw_stdu_crtc_set_config(struct drm_mode_set *set) /* 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); + vmw_stdu_update_st(dev_priv, stdu); if (unlikely(ret != 0)) return ret; } @@ -852,7 +581,6 @@ static int vmw_stdu_crtc_set_config(struct drm_mode_set *set) goto err_unref_content; } - vmw_fb_off(dev_priv); vmw_svga_enable(dev_priv); /* @@ -919,17 +647,8 @@ static int vmw_stdu_crtc_page_flip(struct drm_crtc *crtc, { 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; @@ -939,9 +658,6 @@ static int vmw_stdu_crtc_page_flip(struct drm_crtc *crtc, 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 @@ -961,7 +677,7 @@ static int vmw_stdu_crtc_page_flip(struct drm_crtc *crtc, if (!new_fb) { /* Blanks the display */ - (void) vmw_stdu_update_st(dev_priv, NULL, stdu, &update_area); + (void) vmw_stdu_update_st(dev_priv, stdu); return 0; } @@ -982,16 +698,13 @@ static int vmw_stdu_crtc_page_flip(struct drm_crtc *crtc, } /* 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); + ret = vmw_stdu_update_st(dev_priv, stdu); if (unlikely(ret != 0)) return ret; if (event) { struct vmw_fence_obj *fence = NULL; + struct drm_file *file_priv = event->base.file_priv; vmw_execbuf_fence_commands(NULL, dev_priv, &fence, NULL); if (!fence) @@ -1016,6 +729,310 @@ err_out: } +/** + * vmw_stdu_dmabuf_clip - Callback to encode a suface DMA command cliprect + * + * @dirty: The closure structure. + * + * Encodes a surface DMA command cliprect and updates the bounding box + * for the DMA. + */ +static void vmw_stdu_dmabuf_clip(struct vmw_kms_dirty *dirty) +{ + struct vmw_stdu_dirty *ddirty = + container_of(dirty, struct vmw_stdu_dirty, base); + struct vmw_stdu_dma *cmd = dirty->cmd; + struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1]; + + blit += dirty->num_hits; + blit->srcx = dirty->fb_x; + blit->srcy = dirty->fb_y; + blit->x = dirty->unit_x1; + blit->y = dirty->unit_y1; + blit->d = 1; + blit->w = dirty->unit_x2 - dirty->unit_x1; + blit->h = dirty->unit_y2 - dirty->unit_y1; + dirty->num_hits++; + + if (ddirty->transfer != SVGA3D_WRITE_HOST_VRAM) + return; + + /* Destination bounding box */ + ddirty->left = min_t(s32, ddirty->left, dirty->unit_x1); + ddirty->top = min_t(s32, ddirty->top, dirty->unit_y1); + ddirty->right = max_t(s32, ddirty->right, dirty->unit_x2); + ddirty->bottom = max_t(s32, ddirty->bottom, dirty->unit_y2); +} + +/** + * vmw_stdu_dmabuf_fifo_commit - Callback to fill in and submit a DMA command. + * + * @dirty: The closure structure. + * + * Fills in the missing fields in a DMA command, and optionally encodes + * a screen target update command, depending on transfer direction. + */ +static void vmw_stdu_dmabuf_fifo_commit(struct vmw_kms_dirty *dirty) +{ + struct vmw_stdu_dirty *ddirty = + container_of(dirty, struct vmw_stdu_dirty, base); + struct vmw_screen_target_display_unit *stdu = + container_of(dirty->unit, typeof(*stdu), base); + struct vmw_stdu_dma *cmd = dirty->cmd; + struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1]; + SVGA3dCmdSurfaceDMASuffix *suffix = + (SVGA3dCmdSurfaceDMASuffix *) &blit[dirty->num_hits]; + size_t blit_size = sizeof(*blit) * dirty->num_hits + sizeof(*suffix); + + if (!dirty->num_hits) { + vmw_fifo_commit(dirty->dev_priv, 0); + return; + } + + cmd->header.id = SVGA_3D_CMD_SURFACE_DMA; + cmd->header.size = sizeof(cmd->body) + blit_size; + vmw_bo_get_guest_ptr(&ddirty->buf->base, &cmd->body.guest.ptr); + cmd->body.guest.pitch = ddirty->pitch; + cmd->body.host.sid = stdu->display_srf->res.id; + cmd->body.host.face = 0; + cmd->body.host.mipmap = 0; + cmd->body.transfer = ddirty->transfer; + suffix->suffixSize = sizeof(*suffix); + suffix->maximumOffset = ddirty->buf->base.num_pages * PAGE_SIZE; + + if (ddirty->transfer == SVGA3D_WRITE_HOST_VRAM) { + blit_size += sizeof(struct vmw_stdu_update); + + vmw_stdu_populate_update(&suffix[1], stdu->base.unit, + ddirty->left, ddirty->right, + ddirty->top, ddirty->bottom); + } + + vmw_fifo_commit(dirty->dev_priv, sizeof(*cmd) + blit_size); + + ddirty->left = ddirty->top = S32_MAX; + ddirty->right = ddirty->bottom = S32_MIN; +} + +/** + * vmw_kms_stdu_dma - Perform a DMA transfer between a dma-buffer backed + * framebuffer and the screen target system. + * + * @dev_priv: Pointer to the device private structure. + * @file_priv: Pointer to a struct drm-file identifying the caller. May be + * set to NULL, but then @user_fence_rep must also be set to NULL. + * @vfb: Pointer to the dma-buffer backed framebuffer. + * @clips: Array of clip rects. Either @clips or @vclips must be NULL. + * @vclips: Alternate array of clip rects. Either @clips or @vclips must + * be NULL. + * @num_clips: Number of clip rects in @clips or @vclips. + * @increment: Increment to use when looping over @clips or @vclips. + * @to_surface: Whether to DMA to the screen target system as opposed to + * from the screen target system. + * @interruptible: Whether to perform waits interruptible if possible. + * + * If DMA-ing till the screen target system, the function will also notify + * the screen target system that a bounding box of the cliprects has been + * updated. + * Returns 0 on success, negative error code on failure. -ERESTARTSYS if + * interrupted. + */ +int vmw_kms_stdu_dma(struct vmw_private *dev_priv, + struct drm_file *file_priv, + struct vmw_framebuffer *vfb, + struct drm_vmw_fence_rep __user *user_fence_rep, + struct drm_clip_rect *clips, + struct drm_vmw_rect *vclips, + uint32_t num_clips, + int increment, + bool to_surface, + bool interruptible) +{ + struct vmw_dma_buffer *buf = + container_of(vfb, struct vmw_framebuffer_dmabuf, base)->buffer; + struct vmw_stdu_dirty ddirty; + int ret; + + ret = vmw_kms_helper_buffer_prepare(dev_priv, buf, interruptible, + false); + if (ret) + return ret; + + ddirty.transfer = (to_surface) ? SVGA3D_WRITE_HOST_VRAM : + SVGA3D_READ_HOST_VRAM; + ddirty.left = ddirty.top = S32_MAX; + ddirty.right = ddirty.bottom = S32_MIN; + ddirty.pitch = vfb->base.pitches[0]; + ddirty.buf = buf; + ddirty.base.fifo_commit = vmw_stdu_dmabuf_fifo_commit; + ddirty.base.clip = vmw_stdu_dmabuf_clip; + ddirty.base.fifo_reserve_size = sizeof(struct vmw_stdu_dma) + + num_clips * sizeof(SVGA3dCopyBox) + + sizeof(SVGA3dCmdSurfaceDMASuffix); + if (to_surface) + ddirty.base.fifo_reserve_size += sizeof(struct vmw_stdu_update); + + ret = vmw_kms_helper_dirty(dev_priv, vfb, clips, vclips, + 0, 0, num_clips, increment, &ddirty.base); + vmw_kms_helper_buffer_finish(dev_priv, file_priv, buf, NULL, + user_fence_rep); + + return ret; +} + +/** + * vmw_stdu_surface_clip - Callback to encode a surface copy command cliprect + * + * @dirty: The closure structure. + * + * Encodes a surface copy command cliprect and updates the bounding box + * for the copy. + */ +static void vmw_kms_stdu_surface_clip(struct vmw_kms_dirty *dirty) +{ + struct vmw_stdu_dirty *sdirty = + container_of(dirty, struct vmw_stdu_dirty, base); + struct vmw_stdu_surface_copy *cmd = dirty->cmd; + struct vmw_screen_target_display_unit *stdu = + container_of(dirty->unit, typeof(*stdu), base); + + if (sdirty->sid != stdu->display_srf->res.id) { + struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1]; + + blit += dirty->num_hits; + blit->srcx = dirty->fb_x; + blit->srcy = dirty->fb_y; + blit->x = dirty->unit_x1; + blit->y = dirty->unit_y1; + blit->d = 1; + blit->w = dirty->unit_x2 - dirty->unit_x1; + blit->h = dirty->unit_y2 - dirty->unit_y1; + } + + dirty->num_hits++; + + /* Destination bounding box */ + sdirty->left = min_t(s32, sdirty->left, dirty->unit_x1); + sdirty->top = min_t(s32, sdirty->top, dirty->unit_y1); + sdirty->right = max_t(s32, sdirty->right, dirty->unit_x2); + sdirty->bottom = max_t(s32, sdirty->bottom, dirty->unit_y2); +} + +/** + * vmw_stdu_surface_fifo_commit - Callback to fill in and submit a surface + * copy command. + * + * @dirty: The closure structure. + * + * Fills in the missing fields in a surface copy command, and encodes a screen + * target update command. + */ +static void vmw_kms_stdu_surface_fifo_commit(struct vmw_kms_dirty *dirty) +{ + struct vmw_stdu_dirty *sdirty = + container_of(dirty, struct vmw_stdu_dirty, base); + struct vmw_screen_target_display_unit *stdu = + container_of(dirty->unit, typeof(*stdu), base); + struct vmw_stdu_surface_copy *cmd = dirty->cmd; + struct vmw_stdu_update *update; + size_t blit_size = sizeof(SVGA3dCopyBox) * dirty->num_hits; + size_t commit_size; + + if (!dirty->num_hits) { + vmw_fifo_commit(dirty->dev_priv, 0); + return; + } + + if (sdirty->sid != stdu->display_srf->res.id) { + struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1]; + + cmd->header.id = SVGA_3D_CMD_SURFACE_COPY; + cmd->header.size = sizeof(cmd->body) + blit_size; + cmd->body.src.sid = sdirty->sid; + cmd->body.dest.sid = stdu->display_srf->res.id; + update = (struct vmw_stdu_update *) &blit[dirty->num_hits]; + commit_size = sizeof(*cmd) + blit_size + sizeof(*update); + } else { + update = dirty->cmd; + commit_size = sizeof(*update); + } + + vmw_stdu_populate_update(update, stdu->base.unit, sdirty->left, + sdirty->right, sdirty->top, sdirty->bottom); + + vmw_fifo_commit(dirty->dev_priv, commit_size); + + sdirty->left = sdirty->top = S32_MAX; + sdirty->right = sdirty->bottom = S32_MIN; +} + +/** + * vmw_kms_stdu_surface_dirty - Dirty part of a surface backed framebuffer + * + * @dev_priv: Pointer to the device private structure. + * @framebuffer: Pointer to the surface-buffer backed framebuffer. + * @clips: Array of clip rects. Either @clips or @vclips must be NULL. + * @vclips: Alternate array of clip rects. Either @clips or @vclips must + * be NULL. + * @srf: Pointer to surface to blit from. If NULL, the surface attached + * to @framebuffer will be used. + * @dest_x: X coordinate offset to align @srf with framebuffer coordinates. + * @dest_y: Y coordinate offset to align @srf with framebuffer coordinates. + * @num_clips: Number of clip rects in @clips. + * @inc: Increment to use when looping over @clips. + * @out_fence: If non-NULL, will return a ref-counted pointer to a + * struct vmw_fence_obj. The returned fence pointer may be NULL in which + * case the device has already synchronized. + * + * Returns 0 on success, negative error code on failure. -ERESTARTSYS if + * interrupted. + */ +int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv, + struct vmw_framebuffer *framebuffer, + struct drm_clip_rect *clips, + struct drm_vmw_rect *vclips, + struct vmw_resource *srf, + s32 dest_x, + s32 dest_y, + unsigned num_clips, int inc, + struct vmw_fence_obj **out_fence) +{ + struct vmw_framebuffer_surface *vfbs = + container_of(framebuffer, typeof(*vfbs), base); + struct vmw_stdu_dirty sdirty; + int ret; + + if (!srf) + srf = &vfbs->surface->res; + + ret = vmw_kms_helper_resource_prepare(srf, true); + if (ret) + return ret; + + if (vfbs->is_dmabuf_proxy) { + ret = vmw_kms_update_proxy(srf, clips, num_clips, inc); + if (ret) + goto out_finish; + } + + sdirty.base.fifo_commit = vmw_kms_stdu_surface_fifo_commit; + sdirty.base.clip = vmw_kms_stdu_surface_clip; + sdirty.base.fifo_reserve_size = sizeof(struct vmw_stdu_surface_copy) + + sizeof(SVGA3dCopyBox) * num_clips + + sizeof(struct vmw_stdu_update); + sdirty.sid = srf->id; + sdirty.left = sdirty.top = S32_MAX; + sdirty.right = sdirty.bottom = S32_MIN; + + ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips, + dest_x, dest_y, num_clips, inc, + &sdirty.base); +out_finish: + vmw_kms_helper_resource_finish(srf, out_fence); + + return ret; +} + /* * Screen Target CRTC dispatch table @@ -1122,7 +1139,6 @@ static int vmw_stdu_init(struct vmw_private *dev_priv, unsigned unit) 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, @@ -1207,6 +1223,8 @@ int vmw_kms_stdu_init_display(struct vmw_private *dev_priv) if (unlikely(ret != 0)) goto err_vblank_cleanup; + dev_priv->active_display_unit = vmw_du_screen_target; + for (i = 0; i < VMWGFX_NUM_DISPLAY_UNITS; ++i) { ret = vmw_stdu_init(dev_priv, i); @@ -1216,8 +1234,6 @@ int vmw_kms_stdu_init_display(struct vmw_private *dev_priv) } } - dev_priv->active_display_unit = vmw_du_screen_target; - DRM_INFO("Screen Target Display device initialized\n"); return 0; @@ -1247,247 +1263,3 @@ int vmw_kms_stdu_close_display(struct vmw_private *dev_priv) 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; -} |