1 // SPDX-License-Identifier: GPL-2.0-only
36 		const struct drm_display_mode mode = {  in drm_sysfb_mode()  local
40 		return mode;  in drm_sysfb_mode()
95  * drm_sysfb_build_fourcc_list - Filters a list of supported color formats against
96  *                               the device's native formats
109  * drm_universal_plane_init() et al. Native formats will go before
110  * emulated formats. Native formats with alpha channel will be replaced
117  * The number of color-formats 4CC codes returned in @fourccs_out.
139 	 * The device's native formats go first.  in drm_sysfb_build_fourcc_list()
144 		 * Several DTs, boot loaders and firmware report native  in drm_sysfb_build_fourcc_list()
145 		 * alpha formats that are non-alpha formats instead. So  in drm_sysfb_build_fourcc_list()
146 		 * replace alpha formats by non-alpha formats.  in drm_sysfb_build_fourcc_list()
150 		if (is_listed_fourcc(fourccs_out, fourccs - fourccs_out, fourcc)) {  in drm_sysfb_build_fourcc_list()
153 			drm_warn(dev, "Ignoring native format %p4cc\n", &fourcc);  in drm_sysfb_build_fourcc_list()
157 		drm_dbg_kms(dev, "adding native format %p4cc\n", &fourcc);  in drm_sysfb_build_fourcc_list()
170 		if (is_listed_fourcc(fourccs_out, fourccs - fourccs_out, fourcc)) {  in drm_sysfb_build_fourcc_list()
171 			continue; /* skip duplicate and native entries */  in drm_sysfb_build_fourcc_list()
183 	return fourccs - fourccs_out;  in drm_sysfb_build_fourcc_list()
189 	__drm_gem_destroy_shadow_plane_state(&sysfb_plane_state->base);  in drm_sysfb_plane_state_destroy()
244 	struct drm_device *dev = plane->dev;  in drm_sysfb_plane_helper_begin_fb_access()
246 	struct drm_framebuffer *fb = plane_state->fb;  in drm_sysfb_plane_helper_begin_fb_access()
259 	ret = -EINVAL;  in drm_sysfb_plane_helper_begin_fb_access()
261 	crtc_state = drm_atomic_get_new_crtc_state(plane_state->state, plane_state->crtc);  in drm_sysfb_plane_helper_begin_fb_access()
266 	if (drm_WARN_ON_ONCE(dev, !sysfb_crtc_state->format))  in drm_sysfb_plane_helper_begin_fb_access()
268 	blit_to_crtc = drm_sysfb_get_blit_func(sysfb_crtc_state->format->format,  in drm_sysfb_plane_helper_begin_fb_access()
269 					       fb->format->format);  in drm_sysfb_plane_helper_begin_fb_access()
272 			      &fb->format->format, &sysfb_crtc_state->format->format);  in drm_sysfb_plane_helper_begin_fb_access()
275 	sysfb_plane_state->blit_to_crtc = blit_to_crtc;  in drm_sysfb_plane_helper_begin_fb_access()
288 	struct drm_sysfb_device *sysfb = to_drm_sysfb_device(plane->dev);  in drm_sysfb_plane_helper_atomic_check()
292 	struct drm_framebuffer *new_fb = new_plane_state->fb;  in drm_sysfb_plane_helper_atomic_check()
293 	struct drm_crtc *new_crtc = new_plane_state->crtc;  in drm_sysfb_plane_helper_atomic_check()
299 		new_crtc_state = drm_atomic_get_new_crtc_state(new_state, new_plane_state->crtc);  in drm_sysfb_plane_helper_atomic_check()
307 	else if (!new_plane_state->visible)  in drm_sysfb_plane_helper_atomic_check()
310 	new_crtc_state = drm_atomic_get_new_crtc_state(new_state, new_plane_state->crtc);  in drm_sysfb_plane_helper_atomic_check()
313 	new_sysfb_crtc_state->format = sysfb->fb_format;  in drm_sysfb_plane_helper_atomic_check()
315 	if (new_fb->format != new_sysfb_crtc_state->format) {  in drm_sysfb_plane_helper_atomic_check()
319 		buf = drm_format_conv_state_reserve(&new_shadow_plane_state->fmtcnv_state,  in drm_sysfb_plane_helper_atomic_check()
320 						    sysfb->fb_pitch, GFP_KERNEL);  in drm_sysfb_plane_helper_atomic_check()
322 			return -ENOMEM;  in drm_sysfb_plane_helper_atomic_check()
331 	struct drm_device *dev = plane->dev;  in drm_sysfb_plane_helper_atomic_update()
336 	struct drm_shadow_plane_state *shadow_plane_state = &sysfb_plane_state->base;  in drm_sysfb_plane_helper_atomic_update()
337 	struct drm_framebuffer *fb = plane_state->fb;  in drm_sysfb_plane_helper_atomic_update()
338 	unsigned int dst_pitch = sysfb->fb_pitch;  in drm_sysfb_plane_helper_atomic_update()
339 	struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, plane_state->crtc);  in drm_sysfb_plane_helper_atomic_update()
341 	const struct drm_format_info *dst_format = sysfb_crtc_state->format;  in drm_sysfb_plane_helper_atomic_update()
342 	drm_sysfb_blit_func blit_to_crtc = sysfb_plane_state->blit_to_crtc;  in drm_sysfb_plane_helper_atomic_update()
356 		struct iosys_map dst = sysfb->fb_addr;  in drm_sysfb_plane_helper_atomic_update()
357 		struct drm_rect dst_clip = plane_state->dst;  in drm_sysfb_plane_helper_atomic_update()
363 		blit_to_crtc(&dst, &dst_pitch, shadow_plane_state->data, fb, &damage,  in drm_sysfb_plane_helper_atomic_update()
364 			     &shadow_plane_state->fmtcnv_state);  in drm_sysfb_plane_helper_atomic_update()
376 	struct drm_device *dev = plane->dev;  in drm_sysfb_plane_helper_atomic_disable()
378 	struct iosys_map dst = sysfb->fb_addr;  in drm_sysfb_plane_helper_atomic_disable()
381 	unsigned int dst_pitch = sysfb->fb_pitch;  in drm_sysfb_plane_helper_atomic_disable()
382 	const struct drm_format_info *dst_format = sysfb->fb_format;  in drm_sysfb_plane_helper_atomic_disable()
388 		      plane_state->src_x >> 16, plane_state->src_y >> 16,  in drm_sysfb_plane_helper_atomic_disable()
389 		      plane_state->src_w >> 16, plane_state->src_h >> 16);  in drm_sysfb_plane_helper_atomic_disable()
400 		memset_io(dst_vmap, 0, linepixels * dst_format->cpp[0]);  in drm_sysfb_plane_helper_atomic_disable()
411 	struct drm_sysfb_device *sysfb = to_drm_sysfb_device(plane->dev);  in drm_sysfb_plane_helper_get_scanout_buffer()
413 	sb->width = sysfb->fb_mode.hdisplay;  in drm_sysfb_plane_helper_get_scanout_buffer()
414 	sb->height = sysfb->fb_mode.vdisplay;  in drm_sysfb_plane_helper_get_scanout_buffer()
415 	sb->format = sysfb->fb_format;  in drm_sysfb_plane_helper_get_scanout_buffer()
416 	sb->pitch[0] = sysfb->fb_pitch;  in drm_sysfb_plane_helper_get_scanout_buffer()
417 	sb->map[0] = sysfb->fb_addr;  in drm_sysfb_plane_helper_get_scanout_buffer()
427 	if (plane->state)  in drm_sysfb_plane_reset()
428 		drm_sysfb_plane_state_destroy(to_drm_sysfb_plane_state(plane->state));  in drm_sysfb_plane_reset()
432 		__drm_gem_reset_shadow_plane(plane, &sysfb_plane_state->base);  in drm_sysfb_plane_reset()
440 	struct drm_device *dev = plane->dev;  in drm_sysfb_plane_atomic_duplicate_state()
441 	struct drm_plane_state *plane_state = plane->state;  in drm_sysfb_plane_atomic_duplicate_state()
453 	new_shadow_plane_state = &new_sysfb_plane_state->base;  in drm_sysfb_plane_atomic_duplicate_state()
456 	new_sysfb_plane_state->blit_to_crtc = sysfb_plane_state->blit_to_crtc;  in drm_sysfb_plane_atomic_duplicate_state()
458 	return &new_shadow_plane_state->base;  in drm_sysfb_plane_atomic_duplicate_state()
475 	__drm_atomic_helper_crtc_destroy_state(&sysfb_crtc_state->base);  in drm_sysfb_crtc_state_destroy()
481 						      const struct drm_display_mode *mode)  in drm_sysfb_crtc_helper_mode_valid()  argument
483 	struct drm_sysfb_device *sysfb = to_drm_sysfb_device(crtc->dev);  in drm_sysfb_crtc_helper_mode_valid()
485 	return drm_crtc_helper_mode_valid_fixed(crtc, mode, &sysfb->fb_mode);  in drm_sysfb_crtc_helper_mode_valid()
491 	struct drm_device *dev = crtc->dev;  in drm_sysfb_crtc_helper_atomic_check()
496 	if (!new_crtc_state->enable)  in drm_sysfb_crtc_helper_atomic_check()
503 	if (new_crtc_state->color_mgmt_changed) {  in drm_sysfb_crtc_helper_atomic_check()
505 			sysfb->fb_gamma_lut_size * sizeof(struct drm_color_lut);  in drm_sysfb_crtc_helper_atomic_check()
506 		const struct drm_property_blob *gamma_lut = new_crtc_state->gamma_lut;  in drm_sysfb_crtc_helper_atomic_check()
508 		if (gamma_lut && (gamma_lut->length != gamma_lut_length)) {  in drm_sysfb_crtc_helper_atomic_check()
509 			drm_dbg(dev, "Incorrect gamma_lut length %zu\n", gamma_lut->length);  in drm_sysfb_crtc_helper_atomic_check()
510 			return -EINVAL;  in drm_sysfb_crtc_helper_atomic_check()
520 	struct drm_sysfb_device *sysfb = to_drm_sysfb_device(crtc->dev);  in drm_sysfb_crtc_reset()
523 	if (crtc->state)  in drm_sysfb_crtc_reset()
524 		drm_sysfb_crtc_state_destroy(to_drm_sysfb_crtc_state(crtc->state));  in drm_sysfb_crtc_reset()
528 		sysfb_crtc_state->format = sysfb->fb_format;  in drm_sysfb_crtc_reset()
529 		__drm_atomic_helper_crtc_reset(crtc, &sysfb_crtc_state->base);  in drm_sysfb_crtc_reset()
538 	struct drm_device *dev = crtc->dev;  in drm_sysfb_crtc_atomic_duplicate_state()
539 	struct drm_crtc_state *crtc_state = crtc->state;  in drm_sysfb_crtc_atomic_duplicate_state()
552 	__drm_atomic_helper_crtc_duplicate_state(crtc, &new_sysfb_crtc_state->base);  in drm_sysfb_crtc_atomic_duplicate_state()
553 	new_sysfb_crtc_state->format = sysfb_crtc_state->format;  in drm_sysfb_crtc_atomic_duplicate_state()
555 	return &new_sysfb_crtc_state->base;  in drm_sysfb_crtc_atomic_duplicate_state()
572 	const u8 *edid = sysfb->edid;  in drm_sysfb_get_edid_block()
577 		return -EINVAL;  in drm_sysfb_get_edid_block()
579 		return -EINVAL;  in drm_sysfb_get_edid_block()
596 	struct drm_sysfb_device *sysfb = to_drm_sysfb_device(connector->dev);  in drm_sysfb_connector_helper_get_modes()
599 	if (sysfb->edid) {  in drm_sysfb_connector_helper_get_modes()
605 	/* Return the fixed mode even with EDID */  in drm_sysfb_connector_helper_get_modes()
606 	return drm_connector_helper_get_modes_fixed(connector, &sysfb->fb_mode);  in drm_sysfb_connector_helper_get_modes()