diff options
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
| -rw-r--r-- | drivers/gpu/drm/drm_edid.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 5c9f798..7d6ac22 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -911,11 +911,15 @@ static int drm_cvt_modes(struct drm_connector *connector, struct drm_device *dev = connector->dev; struct cvt_timing *cvt; const int rates[] = { 60, 85, 75, 60, 50 }; + const u8 empty[3] = { 0, 0, 0 }; for (i = 0; i < 4; i++) { int uninitialized_var(width), height; cvt = &(timing->data.other_data.data.cvt[i]); + if (!memcmp(cvt->code, empty, 3)) + continue; + height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 8) + 1) * 2; switch (cvt->code[1] & 0xc0) { case 0x00: |
