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Commit 62443be6 authored by Ville Syrjälä's avatar Ville Syrjälä Committed by Dave Airlie
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drm: plane: Check that the fb pixel format is supported by the plane 



Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 22cd7c62

drivers/gpu/drm/drm_crtc.c

+11 −0
Original line number Diff line number Diff line
@@ -1662,6 +1662,7 @@ int drm_mode_setplane(struct drm_device *dev, void *data, 
	struct drm_framebuffer *fb;

	int ret = 0;

	unsigned int fb_width, fb_height;

	int i;



	if (!drm_core_check_feature(dev, DRIVER_MODESET))

		return -EINVAL;
@@ -1710,6 +1711,16 @@ int drm_mode_setplane(struct drm_device *dev, void *data, 
	}

	fb = obj_to_fb(obj);



	/* Check whether this plane supports the fb pixel format. */

	for (i = 0; i < plane->format_count; i++)

		if (fb->pixel_format == plane->format_types[i])

			break;

	if (i == plane->format_count) {

		DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format);

		ret = -EINVAL;

		goto out;

	}



	fb_width = fb->width << 16;

	fb_height = fb->height << 16;