drm/edid: Fix CVT width/height decode

Signed-off-by: Adam Jackson <ajax@redhat.com>
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 7d6ac22f5b2d787e571ee7061d1bbd0a9496301f..defcaf108460b59ac9e5cba023d26e6e7bef6f13 100644 (file)
--- 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;
                }