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

commit 44fef22416886a04d432043f741a6faf2c6ffefd upstream.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index ab6c973304129383ca733eeb2f49b117b55b421a..99d7eb366d3f3b7c38e8f6dc5c98bace166dc527 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;