Merge tag 'topic/drm-misc-2015-07-23' of git://anongit.freedesktop.org/drm-intel...

[linux-drm-fsl-dcu.git] / drivers / gpu / drm / mgag200 / mgag200_mode.c

diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index 67ae9f79dbd2d04272c5fbb593eaf399ce479b5f..cd75cff096e1ccebbb1be0a4461e0f9b7d855fbf 100644 (file)
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -1523,6 +1523,11 @@ static int mga_vga_mode_valid(struct drm_connector *connector,
                return MODE_BANDWIDTH;
        }
 
+       if ((mode->hdisplay % 8) != 0 || (mode->hsync_start % 8) != 0 ||
+           (mode->hsync_end % 8) != 0 || (mode->htotal % 8) != 0) {
+               return MODE_H_ILLEGAL;
+       }
+
        if (mode->crtc_hdisplay > 2048 || mode->crtc_hsync_start > 4096 ||
            mode->crtc_hsync_end > 4096 || mode->crtc_htotal > 4096 ||
            mode->crtc_vdisplay > 2048 || mode->crtc_vsync_start > 4096 ||