drm/edid: allow certain bogus edids to hit a fixup path rather than fail

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index f97e7c4..7e608f4 100644 (file)
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -707,15 +707,6 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
        mode->vsync_end = mode->vsync_start + vsync_pulse_width;
        mode->vtotal = mode->vdisplay + vblank;
 
-       /* perform the basic check for the detailed timing */
-       if (mode->hsync_end > mode->htotal ||
-               mode->vsync_end > mode->vtotal) {
-               drm_mode_destroy(dev, mode);
-               DRM_DEBUG_KMS("Incorrect detailed timing. "
-                               "Sync is beyond the blank.\n");
-               return NULL;
-       }
-
        /* Some EDIDs have bogus h/vtotal values */
        if (mode->hsync_end > mode->htotal)
                mode->htotal = mode->hsync_end + 1;