drm/virtio/virtgpu_plane.c

77 static int virtio_gpu_plane_atomic_check(struct drm_plane *plane,
81 										 plane);
83 										 plane);
84 	bool is_cursor = plane->type == DRM_PLANE_TYPE_CURSOR;
92 	 * Ignore damage clips if the framebuffer attached to the plane's state
93 	 * has changed since the last plane update (page-flip). In this case, a
94 	 * full plane update should happen because uploads are done per-buffer.
134 static void virtio_gpu_resource_flush(struct drm_plane *plane,
138 	struct drm_device *dev = plane->dev;
143 	vgfb = to_virtio_gpu_framebuffer(plane->state->fb);
168 static void virtio_gpu_primary_plane_update(struct drm_plane *plane,
172 									   plane);
173 	struct drm_device *dev = plane->dev;
179 	if (plane->state->crtc)
180 		output = drm_crtc_to_virtio_gpu_output(plane->state->crtc);
186 	if (!plane->state->fb || !output->crtc.state->active) {
189 					   plane->state->src_w >> 16,
190 					   plane->state->src_h >> 16,
196 	if (!drm_atomic_helper_damage_merged(old_state, plane->state, &rect))
199 	bo = gem_to_virtio_gpu_obj(plane->state->fb->obj[0]);
201 		virtio_gpu_update_dumb_bo(vgdev, plane->state, &rect);
203 	if (plane->state->fb != old_state->fb ||
204 	    plane->state->src_w != old_state->src_w ||
205 	    plane->state->src_h != old_state->src_h ||
206 	    plane->state->src_x != old_state->src_x ||
207 	    plane->state->src_y != old_state->src_y ||
212 			  plane->state->crtc_w, plane->state->crtc_h,
213 			  plane->state->crtc_x, plane->state->crtc_y,
214 			  plane->state->src_w >> 16,
215 			  plane->state->src_h >> 16,
216 			  plane->state->src_x >> 16,
217 			  plane->state->src_y >> 16);
222 						 plane->state->fb,
223 						 plane->state->src_w >> 16,
224 						 plane->state->src_h >> 16,
225 						 plane->state->src_x >> 16,
226 						 plane->state->src_y >> 16);
230 						   plane->state->src_w >> 16,
231 						   plane->state->src_h >> 16,
232 						   plane->state->src_x >> 16,
233 						   plane->state->src_y >> 16);
237 	virtio_gpu_resource_flush(plane,
244 static int virtio_gpu_plane_prepare_fb(struct drm_plane *plane,
247 	struct drm_device *dev = plane->dev;
257 	if (!bo || (plane->type == DRM_PLANE_TYPE_PRIMARY && !bo->guest_blob))
260 	if (bo->dumb && (plane->state->fb != new_state->fb)) {
270 static void virtio_gpu_plane_cleanup_fb(struct drm_plane *plane,
285 static void virtio_gpu_cursor_plane_update(struct drm_plane *plane,
289 									   plane);
290 	struct drm_device *dev = plane->dev;
297 	if (plane->state->crtc)
298 		output = drm_crtc_to_virtio_gpu_output(plane->state->crtc);
304 	if (plane->state->fb) {
305 		vgfb = to_virtio_gpu_framebuffer(plane->state->fb);
312 	if (bo && bo->dumb && (plane->state->fb != old_state->fb)) {
323 			 plane->state->crtc_w,
324 			 plane->state->crtc_h,
332 	if (plane->state->fb != old_state->fb) {
334 			  plane->state->crtc_x,
335 			  plane->state->crtc_y,
336 			  plane->state->hotspot_x,
337 			  plane->state->hotspot_y);
341 		if (plane->state->fb) {
343 				cpu_to_le32(plane->state->hotspot_x);
345 				cpu_to_le32(plane->state->hotspot_y);
352 			  plane->state->crtc_x,
353 			  plane->state->crtc_y);
357 	output->cursor.pos.x = cpu_to_le32(plane->state->crtc_x);
358 	output->cursor.pos.y = cpu_to_le32(plane->state->crtc_y);
382 	struct drm_plane *plane;
396 	plane = drmm_universal_plane_alloc(dev, struct drm_plane, dev,
399 	if (IS_ERR(plane))
400 		return plane;
402 	drm_plane_helper_add(plane, funcs);
405 		drm_plane_enable_fb_damage_clips(plane);
407 	return plane;