disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/gpu/drm/rcar-du/rcar_du_plane.c
..
..
@@ -1,22 +1,18 @@
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+// SPDX-License-Identifier: GPL-2.0+
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 /*
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  * rcar_du_plane.c  --  R-Car Display Unit Planes
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  *
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  * Copyright (C) 2013-2015 Renesas Electronics Corporation
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  *
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  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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  */
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-#include <drm/drmP.h>
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 #include <drm/drm_atomic.h>
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 #include <drm/drm_atomic_helper.h>
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 #include <drm/drm_crtc.h>
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-#include <drm/drm_crtc_helper.h>
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+#include <drm/drm_device.h>
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 #include <drm/drm_fb_cma_helper.h>
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+#include <drm/drm_fourcc.h>
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 #include <drm/drm_gem_cma_helper.h>
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 #include <drm/drm_plane_helper.h>
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18
 
..
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@@ -690,14 +686,12 @@
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 	if (state == NULL)
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 		return;
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+	__drm_atomic_helper_plane_reset(plane, &state->state);
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+
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 	state->hwindex = -1;
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 	state->source = RCAR_DU_PLANE_MEMORY;
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 	state->colorkey = RCAR_DU_COLORKEY_NONE;
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 	state->state.zpos = plane->type == DRM_PLANE_TYPE_PRIMARY ? 0 : 1;
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-
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-	plane->state = &state->state;
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-	plane->state->alpha = DRM_BLEND_ALPHA_OPAQUE;
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-	plane->state->plane = plane;
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 }
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 static int rcar_du_plane_atomic_set_property(struct drm_plane *plane,
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@@ -789,14 +783,17 @@
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 		drm_plane_helper_add(&plane->plane,
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 				     &rcar_du_plane_helper_funcs);
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-		if (type == DRM_PLANE_TYPE_PRIMARY)
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-			continue;
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-
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-		drm_object_attach_property(&plane->plane.base,
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-					   rcdu->props.colorkey,
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-					   RCAR_DU_COLORKEY_NONE);
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 		drm_plane_create_alpha_property(&plane->plane);
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-		drm_plane_create_zpos_property(&plane->plane, 1, 1, 7);
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+
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+		if (type == DRM_PLANE_TYPE_PRIMARY) {
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+			drm_plane_create_zpos_immutable_property(&plane->plane,
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+								 0);
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+		} else {
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+			drm_object_attach_property(&plane->plane.base,
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+						   rcdu->props.colorkey,
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+						   RCAR_DU_COLORKEY_NONE);
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+			drm_plane_create_zpos_property(&plane->plane, 1, 1, 7);
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+		}
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 	}
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 	return 0;