Signed-off-by: Adam Jackson <[email protected]>
---
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..9402b92 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:
--
1.6.5.2
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