drm/edid: Fix CVT width/height decode

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 7d6ac22f5b2d..defcaf108460 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -920,18 +920,18 @@ static int drm_cvt_modes(struct drm_connector *connector,
                 if (!memcmp(cvt->code, empty, 3))
                         continue;
 
-                height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 8) + 1) * 2;
-                switch (cvt->code[1] & 0xc0) {
+                height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
+                switch (cvt->code[1] & 0x0c) {
                 case 0x00:
                         width = height * 4 / 3;
                         break;
-                case 0x40:
+                case 0x04:
                         width = height * 16 / 9;
                         break;
-                case 0x80:
+                case 0x08:
                         width = height * 16 / 10;
                         break;
-                case 0xc0:
+                case 0x0c:
                         width = height * 15 / 9;
                         break;
                 }