125 static unsigned int intel_fbc_plane_stride(const struct intel_plane_state *plane_state)  in intel_fbc_plane_stride()  argument
127 	const struct drm_framebuffer *fb = plane_state->hw.fb;  in intel_fbc_plane_stride()
130 	stride = plane_state->view.color_plane[0].mapping_stride;  in intel_fbc_plane_stride()
131 	if (!drm_rotation_90_or_270(plane_state->hw.rotation))  in intel_fbc_plane_stride()
138 static unsigned int _intel_fbc_cfb_stride(const struct intel_plane_state *plane_state)  in _intel_fbc_cfb_stride()  argument
142 	return intel_fbc_plane_stride(plane_state) * cpp;  in _intel_fbc_cfb_stride()
146 static unsigned int skl_fbc_min_cfb_stride(const struct intel_plane_state *plane_state)  in skl_fbc_min_cfb_stride()  argument
148 	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);  in skl_fbc_min_cfb_stride()
151 	unsigned int width = drm_rect_width(&plane_state->uapi.src) >> 16;  in skl_fbc_min_cfb_stride()
176 static unsigned int intel_fbc_cfb_stride(const struct intel_plane_state *plane_state)  in intel_fbc_cfb_stride()  argument
178 	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);  in intel_fbc_cfb_stride()
179 	unsigned int stride = _intel_fbc_cfb_stride(plane_state);  in intel_fbc_cfb_stride()
187 		return max(ALIGN(stride, 512), skl_fbc_min_cfb_stride(plane_state));  in intel_fbc_cfb_stride()
192 static unsigned int intel_fbc_cfb_size(const struct intel_plane_state *plane_state)  in intel_fbc_cfb_size()  argument
194 	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);  in intel_fbc_cfb_size()
195 	int lines = drm_rect_height(&plane_state->uapi.src) >> 16;  in intel_fbc_cfb_size()
202 	return lines * intel_fbc_cfb_stride(plane_state);  in intel_fbc_cfb_size()
205 static u16 intel_fbc_override_cfb_stride(const struct intel_plane_state *plane_state)  in intel_fbc_override_cfb_stride()  argument
207 	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);  in intel_fbc_override_cfb_stride()
208 	unsigned int stride_aligned = intel_fbc_cfb_stride(plane_state);  in intel_fbc_override_cfb_stride()
209 	unsigned int stride = _intel_fbc_cfb_stride(plane_state);  in intel_fbc_override_cfb_stride()
210 	const struct drm_framebuffer *fb = plane_state->hw.fb;  in intel_fbc_override_cfb_stride()
726 static int intel_fbc_min_limit(const struct intel_plane_state *plane_state)  in intel_fbc_min_limit()  argument
728 	return plane_state->hw.fb->format->cpp[0] == 2 ? 2 : 1;  in intel_fbc_min_limit()
850 static bool stride_is_valid(const struct intel_plane_state *plane_state)  in stride_is_valid()  argument
852 	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);  in stride_is_valid()
853 	const struct drm_framebuffer *fb = plane_state->hw.fb;  in stride_is_valid()
854 	unsigned int stride = intel_fbc_plane_stride(plane_state) *  in stride_is_valid()
882 static bool pixel_format_is_valid(const struct intel_plane_state *plane_state)  in pixel_format_is_valid()  argument
884 	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);  in pixel_format_is_valid()
885 	const struct drm_framebuffer *fb = plane_state->hw.fb;  in pixel_format_is_valid()
905 static bool rotation_is_valid(const struct intel_plane_state *plane_state)  in rotation_is_valid()  argument
907 	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);  in rotation_is_valid()
908 	const struct drm_framebuffer *fb = plane_state->hw.fb;  in rotation_is_valid()
909 	unsigned int rotation = plane_state->hw.rotation;  in rotation_is_valid()
927 static bool intel_fbc_hw_tracking_covers_screen(const struct intel_plane_state *plane_state)  in intel_fbc_hw_tracking_covers_screen()  argument
929 	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);  in intel_fbc_hw_tracking_covers_screen()
946 	effective_w = plane_state->view.color_plane[0].x +  in intel_fbc_hw_tracking_covers_screen()
947 		(drm_rect_width(&plane_state->uapi.src) >> 16);  in intel_fbc_hw_tracking_covers_screen()
948 	effective_h = plane_state->view.color_plane[0].y +  in intel_fbc_hw_tracking_covers_screen()
949 		(drm_rect_height(&plane_state->uapi.src) >> 16);  in intel_fbc_hw_tracking_covers_screen()
954 static bool tiling_is_valid(const struct intel_plane_state *plane_state)  in tiling_is_valid()  argument
956 	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);  in tiling_is_valid()
957 	const struct drm_framebuffer *fb = plane_state->hw.fb;  in tiling_is_valid()
979 	const struct intel_plane_state *plane_state =  in intel_fbc_update_state()  local
984 	WARN_ON(plane_state->no_fbc_reason);  in intel_fbc_update_state()
992 	fbc_state->fence_y_offset = intel_plane_fence_y_offset(plane_state);  in intel_fbc_update_state()
994 	drm_WARN_ON(&i915->drm, plane_state->flags & PLANE_HAS_FENCE &&  in intel_fbc_update_state()
997 	if (plane_state->flags & PLANE_HAS_FENCE)  in intel_fbc_update_state()
998 		fbc_state->fence_id =  i915_vma_fence_id(plane_state->ggtt_vma);  in intel_fbc_update_state()
1002 	fbc_state->cfb_stride = intel_fbc_cfb_stride(plane_state);  in intel_fbc_update_state()
1003 	fbc_state->cfb_size = intel_fbc_cfb_size(plane_state);  in intel_fbc_update_state()
1004 	fbc_state->override_cfb_stride = intel_fbc_override_cfb_stride(plane_state);  in intel_fbc_update_state()
1007 static bool intel_fbc_is_fence_ok(const struct intel_plane_state *plane_state)  in intel_fbc_is_fence_ok()  argument
1009 	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);  in intel_fbc_is_fence_ok()
1024 		(plane_state->flags & PLANE_HAS_FENCE &&  in intel_fbc_is_fence_ok()
1025 		 i915_vma_fence_id(plane_state->ggtt_vma) != -1);  in intel_fbc_is_fence_ok()
1028 static bool intel_fbc_is_cfb_ok(const struct intel_plane_state *plane_state)  in intel_fbc_is_cfb_ok()  argument
1030 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);  in intel_fbc_is_cfb_ok()
1033 	return intel_fbc_min_limit(plane_state) <= fbc->limit &&  in intel_fbc_is_cfb_ok()
1034 		intel_fbc_cfb_size(plane_state) <= fbc->limit *  in intel_fbc_is_cfb_ok()
1038 static bool intel_fbc_is_ok(const struct intel_plane_state *plane_state)  in intel_fbc_is_ok()  argument
1040 	return !plane_state->no_fbc_reason &&  in intel_fbc_is_ok()
1041 		intel_fbc_is_fence_ok(plane_state) &&  in intel_fbc_is_ok()
1042 		intel_fbc_is_cfb_ok(plane_state);  in intel_fbc_is_ok()
1049 	struct intel_plane_state *plane_state =  in intel_fbc_check_plane()  local
1051 	const struct drm_framebuffer *fb = plane_state->hw.fb;  in intel_fbc_check_plane()
1052 	struct intel_crtc *crtc = to_intel_crtc(plane_state->hw.crtc);  in intel_fbc_check_plane()
1060 		plane_state->no_fbc_reason = "stolen memory not initialised";  in intel_fbc_check_plane()
1065 		plane_state->no_fbc_reason = "VGPU active";  in intel_fbc_check_plane()
1070 		plane_state->no_fbc_reason = "disabled per module param or by default";  in intel_fbc_check_plane()
1074 	if (!plane_state->uapi.visible) {  in intel_fbc_check_plane()
1075 		plane_state->no_fbc_reason = "plane not visible";  in intel_fbc_check_plane()
1082 		plane_state->no_fbc_reason = "interlaced mode not supported";  in intel_fbc_check_plane()
1087 		plane_state->no_fbc_reason = "double wide pipe not supported";  in intel_fbc_check_plane()
1097 		plane_state->no_fbc_reason = "PSR2 enabled";  in intel_fbc_check_plane()
1105 		plane_state->no_fbc_reason = "PSR1 enabled (Wa_14016291713)";  in intel_fbc_check_plane()
1109 	if (!pixel_format_is_valid(plane_state)) {  in intel_fbc_check_plane()
1110 		plane_state->no_fbc_reason = "pixel format not supported";  in intel_fbc_check_plane()
1114 	if (!tiling_is_valid(plane_state)) {  in intel_fbc_check_plane()
1115 		plane_state->no_fbc_reason = "tiling not supported";  in intel_fbc_check_plane()
1119 	if (!rotation_is_valid(plane_state)) {  in intel_fbc_check_plane()
1120 		plane_state->no_fbc_reason = "rotation not supported";  in intel_fbc_check_plane()
1124 	if (!stride_is_valid(plane_state)) {  in intel_fbc_check_plane()
1125 		plane_state->no_fbc_reason = "stride not supported";  in intel_fbc_check_plane()
1129 	if (plane_state->hw.pixel_blend_mode != DRM_MODE_BLEND_PIXEL_NONE &&  in intel_fbc_check_plane()
1131 		plane_state->no_fbc_reason = "per-pixel alpha not supported";  in intel_fbc_check_plane()
1135 	if (!intel_fbc_hw_tracking_covers_screen(plane_state)) {  in intel_fbc_check_plane()
1136 		plane_state->no_fbc_reason = "plane size too big";  in intel_fbc_check_plane()
1146 	    plane_state->view.color_plane[0].y & 3) {  in intel_fbc_check_plane()
1147 		plane_state->no_fbc_reason = "plane start Y offset misaligned";  in intel_fbc_check_plane()
1153 	    (plane_state->view.color_plane[0].y +  in intel_fbc_check_plane()
1154 	     (drm_rect_height(&plane_state->uapi.src) >> 16)) & 3) {  in intel_fbc_check_plane()
1155 		plane_state->no_fbc_reason = "plane end Y offset misaligned";  in intel_fbc_check_plane()
1168 			plane_state->no_fbc_reason = "pixel rate too high";  in intel_fbc_check_plane()
1173 	plane_state->no_fbc_reason = NULL;  in intel_fbc_check_plane()
1264 	const struct intel_plane_state __maybe_unused *plane_state;  in intel_fbc_pre_update()  local
1269 	for_each_new_intel_plane_in_state(state, plane, plane_state, i) {  in intel_fbc_pre_update()
1319 	const struct intel_plane_state __maybe_unused *plane_state;  in intel_fbc_post_update()  local
1323 	for_each_new_intel_plane_in_state(state, plane, plane_state, i) {  in intel_fbc_post_update()
1418 	struct intel_plane_state __maybe_unused *plane_state;  in intel_fbc_atomic_check()  local
1422 	for_each_new_intel_plane_in_state(state, plane, plane_state, i) {  in intel_fbc_atomic_check()
1438 	const struct intel_plane_state *plane_state =  in __intel_fbc_enable()  local
1448 		if (intel_fbc_is_ok(plane_state)) {  in __intel_fbc_enable()
1458 	fbc->no_fbc_reason = plane_state->no_fbc_reason;  in __intel_fbc_enable()
1462 	if (!intel_fbc_is_fence_ok(plane_state)) {  in __intel_fbc_enable()
1472 	if (intel_fbc_alloc_cfb(fbc, intel_fbc_cfb_size(plane_state),  in __intel_fbc_enable()
1473 				intel_fbc_min_limit(plane_state))) {  in __intel_fbc_enable()
1517 	const struct intel_plane_state *plane_state;  in intel_fbc_update()  local
1521 	for_each_new_intel_plane_in_state(state, plane, plane_state, i) {  in intel_fbc_update()
1530 		    plane_state->no_fbc_reason) {  in intel_fbc_update()
1768 		const struct intel_plane_state *plane_state =  in intel_fbc_debugfs_status_show()  local
1777 			   plane_state->no_fbc_reason ?: "FBC possible");  in intel_fbc_debugfs_status_show()