From 7118fe576f2d71700fa807ee9df883c484548d47 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Thu, 15 Dec 2011 00:11:50 +0200 Subject: [PATCH] drm: plane: Check that the fb pixel format is supported by the plane MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Ville Syrjälä Acked-by: Pauli Nieminen Reviewed-by: Jani Nikula Signed-off-by: Kirill A. Shutemov --- drivers/gpu/drm/drm_crtc.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index d555d94..9f47dfc 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -1660,6 +1660,7 @@ 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; @@ -1708,6 +1709,16 @@ 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 %x\n", fb->pixel_format); + ret = -EINVAL; + goto out; + } + fb_width = fb->width << 16; fb_height = fb->height << 16; -- 2.7.4