mirror of https://gitee.com/openkylin/linux.git
drm: plane: Check that the fb pixel format is supported by the plane
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -1662,6 +1662,7 @@ int drm_mode_setplane(struct drm_device *dev, void *data,
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struct drm_framebuffer *fb;
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int ret = 0;
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unsigned int fb_width, fb_height;
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int i;
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if (!drm_core_check_feature(dev, DRIVER_MODESET))
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return -EINVAL;
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@ -1710,6 +1711,16 @@ int drm_mode_setplane(struct drm_device *dev, void *data,
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}
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fb = obj_to_fb(obj);
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/* Check whether this plane supports the fb pixel format. */
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for (i = 0; i < plane->format_count; i++)
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if (fb->pixel_format == plane->format_types[i])
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break;
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if (i == plane->format_count) {
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DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format);
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ret = -EINVAL;
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goto out;
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}
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fb_width = fb->width << 16;
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fb_height = fb->height << 16;
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