Using the new interface implement STDU plane update for BO backed fb.
Signed-off-by: Deepak Rawat drawat@vmware.com --- drivers/gpu/drm/vmwgfx/vmwgfx_kms.h | 13 ++ drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c | 233 +++++++++++++++++++++++++++ 2 files changed, 246 insertions(+)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h index 4b4a032ea4ac..ed5a8f62bb2b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h @@ -153,6 +153,19 @@ struct vmw_du_update_plane_surface { struct vmw_validation_ctx *ctx; };
+/** + * struct vmw_du_update_plane_buffer - Closure structure for buffer object + * @base: Base closure structure. + * @fb_left: x1 for fb damage bounding box. + * @fb_top: y1 for fb damage bounding box. + * @cpu_blit: True if need cpu blit. + */ +struct vmw_du_update_plane_buffer { + struct vmw_du_update_plane base; + int fb_left, fb_top; + bool cpu_blit; +}; + /** * struct vmw_kms_dirty - closure structure for the vmw_kms_helper_dirty * function. diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c index 39067c7bb083..4286244d1c08 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c @@ -1244,6 +1244,239 @@ vmw_stdu_primary_plane_prepare_fb(struct drm_plane *plane, return ret; }
+static int vmw_stdu_bo_prepare(struct vmw_du_update_plane *update) +{ + struct vmw_du_update_plane_buffer *bo_update; + struct vmw_framebuffer_bo *vfbbo; + + bo_update = container_of(update, typeof(*bo_update), base); + vfbbo = container_of(update->vfb, typeof(*vfbbo), base); + + return vmw_kms_helper_buffer_prepare(update->dev_priv, vfbbo->buffer, + false, false, bo_update->cpu_blit); +} + +static uint32_t vmw_stdu_bo_fifo_size(struct vmw_du_update_plane *update, + uint32_t num_hits) +{ + return sizeof(struct vmw_stdu_dma) + sizeof(SVGA3dCopyBox) * num_hits + + sizeof(SVGA3dCmdSurfaceDMASuffix) + + sizeof(struct vmw_stdu_update); +} + +static uint32_t vmw_stdu_bo_fifo_size_cpu(struct vmw_du_update_plane *update, + uint32_t num_hits) +{ + return sizeof(struct vmw_stdu_update_gb_image) + + sizeof(struct vmw_stdu_update); +} + +static uint32_t vmw_stdu_bo_populate_dma(struct vmw_du_update_plane *update, + void *cmd, uint32_t num_hits) +{ + struct vmw_screen_target_display_unit *stdu; + struct vmw_framebuffer_bo *vfbbo; + struct vmw_stdu_dma *cmd_dma = cmd; + + stdu = container_of(update->du, typeof(*stdu), base); + vfbbo = container_of(update->vfb, typeof(*vfbbo), base); + + cmd_dma->header.id = SVGA_3D_CMD_SURFACE_DMA; + cmd_dma->header.size = sizeof(cmd_dma->body) + + sizeof(struct SVGA3dCopyBox) * num_hits + + sizeof(SVGA3dCmdSurfaceDMASuffix); + vmw_bo_get_guest_ptr(&vfbbo->buffer->base, &cmd_dma->body.guest.ptr); + cmd_dma->body.guest.pitch = update->vfb->base.pitches[0]; + cmd_dma->body.host.sid = stdu->display_srf->res.id; + cmd_dma->body.host.face = 0; + cmd_dma->body.host.mipmap = 0; + cmd_dma->body.transfer = SVGA3D_WRITE_HOST_VRAM; + + return sizeof(*cmd_dma); +} + +static uint32_t vmw_stdu_bo_populate_clip(struct vmw_du_update_plane *update, + void *cmd, struct drm_rect *clip, + uint32_t fb_x, uint32_t fb_y) +{ + struct SVGA3dCopyBox *box = cmd; + + box->srcx = fb_x; + box->srcy = fb_y; + box->srcz = 0; + box->x = clip->x1; + box->y = clip->y1; + box->z = 0; + box->w = drm_rect_width(clip); + box->h = drm_rect_height(clip); + box->d = 1; + + return sizeof(*box); +} + +static uint32_t vmw_stud_bo_populate_update(struct vmw_du_update_plane *update, + void *cmd, struct drm_rect *bb) +{ + struct vmw_screen_target_display_unit *stdu; + struct vmw_framebuffer_bo *vfbbo; + SVGA3dCmdSurfaceDMASuffix *suffix = cmd; + + stdu = container_of(update->du, typeof(*stdu), base); + vfbbo = container_of(update->vfb, typeof(*vfbbo), base); + + suffix->suffixSize = sizeof(*suffix); + suffix->maximumOffset = vfbbo->buffer->base.num_pages * PAGE_SIZE; + + vmw_stdu_populate_update(&suffix[1], stdu->base.unit, bb->x1, bb->x2, + bb->y1, bb->y2); + + return sizeof(*suffix) + sizeof(struct vmw_stdu_update); +} + +static uint32_t vmw_stdu_bo_pre_clip_cpu(struct vmw_du_update_plane *update, + void *cmd, uint32_t num_hits) +{ + struct vmw_du_update_plane_buffer *bo_update = + container_of(update, typeof(*bo_update), base); + + bo_update->fb_left = INT_MAX; + bo_update->fb_top = INT_MAX; + + return 0; +} + +static uint32_t vmw_stdu_bo_clip_cpu(struct vmw_du_update_plane *update, + void *cmd, struct drm_rect *clip, + uint32_t fb_x, uint32_t fb_y) +{ + struct vmw_du_update_plane_buffer *bo_update = + container_of(update, typeof(*bo_update), base); + + bo_update->fb_left = min_t(int, bo_update->fb_left, fb_x); + bo_update->fb_top = min_t(int, bo_update->fb_top, fb_y); + + return 0; +} + +static uint32_t +vmw_stud_bo_populate_update_cpu(struct vmw_du_update_plane *update, void *cmd, + struct drm_rect *bb) +{ + struct vmw_du_update_plane_buffer *bo_update; + struct vmw_screen_target_display_unit *stdu; + struct vmw_framebuffer_bo *vfbbo; + struct vmw_diff_cpy diff = VMW_CPU_BLIT_DIFF_INITIALIZER(0); + struct vmw_stdu_update_gb_image *cmd_img = cmd; + struct vmw_stdu_update *cmd_update; + struct ttm_buffer_object *src_bo, *dst_bo; + u32 src_offset, dst_offset; + s32 src_pitch, dst_pitch; + s32 width, height; + + bo_update = container_of(update, typeof(*bo_update), base); + stdu = container_of(update->du, typeof(*stdu), base); + vfbbo = container_of(update->vfb, typeof(*vfbbo), base); + + width = bb->x2 - bb->x1; + height = bb->y2 - bb->y1; + + diff.cpp = stdu->cpp; + + dst_bo = &stdu->display_srf->res.backup->base; + dst_pitch = stdu->display_srf->base_size.width * stdu->cpp; + dst_offset = bb->y1 * dst_pitch + bb->x1 * stdu->cpp; + + src_bo = &vfbbo->buffer->base; + src_pitch = update->vfb->base.pitches[0]; + src_offset = bo_update->fb_top * src_pitch + bo_update->fb_left * + stdu->cpp; + + (void) vmw_bo_cpu_blit(dst_bo, dst_offset, dst_pitch, src_bo, + src_offset, src_pitch, width * stdu->cpp, height, + &diff); + + if (drm_rect_visible(&diff.rect)) { + SVGA3dBox *box = &cmd_img->body.box; + + cmd_img->header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE; + cmd_img->header.size = sizeof(cmd_img->body); + cmd_img->body.image.sid = stdu->display_srf->res.id; + cmd_img->body.image.face = 0; + cmd_img->body.image.mipmap = 0; + + box->x = diff.rect.x1; + box->y = diff.rect.y1; + box->z = 0; + box->w = drm_rect_width(&diff.rect); + box->h = drm_rect_height(&diff.rect); + box->d = 1; + + cmd_update = (struct vmw_stdu_update *)&cmd_img[1]; + vmw_stdu_populate_update(cmd_update, stdu->base.unit, + diff.rect.x1, diff.rect.x2, + diff.rect.y1, diff.rect.y2); + + return sizeof(*cmd_img) + sizeof(*cmd_update); + } + + return 0; +} + +static void vmw_stdu_bo_finish(struct vmw_du_update_plane *update) +{ + struct vmw_framebuffer_bo *vfbbo = container_of(update->vfb, + typeof(*vfbbo), base); + + vmw_kms_helper_buffer_finish(update->dev_priv, NULL, vfbbo->buffer, + NULL, NULL); +} + +/** + * vmw_stdu_plane_update_bo - Update display unit for bo backed fb. + * @dev_priv: device private. + * @plane: plane state. + * @old_state: old plane state. + * @vfb: framebuffer which is blitted to display unit. + * + * Return: 0 on success or a negative error code on failure. + */ +static int vmw_stdu_plane_update_bo(struct vmw_private *dev_priv, + struct drm_plane *plane, + struct drm_plane_state *old_state, + struct vmw_framebuffer *vfb) +{ + struct vmw_du_update_plane_buffer bo_update; + + memset(&bo_update, 0, sizeof(struct vmw_du_update_plane_buffer)); + bo_update.base.plane = plane; + bo_update.base.old_state = old_state; + bo_update.base.dev_priv = dev_priv; + bo_update.base.du = vmw_crtc_to_du(plane->state->crtc); + bo_update.base.vfb = vfb; + + bo_update.cpu_blit = !(dev_priv->capabilities & SVGA_CAP_3D); + + bo_update.base.prepare = vmw_stdu_bo_prepare; + + if (bo_update.cpu_blit) { + bo_update.base.calc_fifo_size = vmw_stdu_bo_fifo_size_cpu; + bo_update.base.pre_clip = vmw_stdu_bo_pre_clip_cpu; + bo_update.base.clip = vmw_stdu_bo_clip_cpu; + bo_update.base.post_clip = vmw_stud_bo_populate_update_cpu; + } else { + bo_update.base.calc_fifo_size = vmw_stdu_bo_fifo_size; + bo_update.base.pre_clip = vmw_stdu_bo_populate_dma; + bo_update.base.clip = vmw_stdu_bo_populate_clip; + bo_update.base.post_clip = vmw_stud_bo_populate_update; + } + + bo_update.base.finish = vmw_stdu_bo_finish; + /* Nothing special to do for revert */ + bo_update.base.revert = vmw_stdu_bo_finish; + + return vmw_du_helper_plane_update(&bo_update.base); +} + static int vmw_stdu_surface_prepare(struct vmw_du_update_plane *update) { struct vmw_du_update_plane_surface *srf_update;