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authorAlex Deucher <alexander.deucher@amd.com>2012-03-23 14:44:47 -0400
committerDave Airlie <airlied@redhat.com>2012-03-26 09:53:12 +0100
commit017d213f649c6775e4a4349e50a5631a4e4c7308 (patch)
treea07fe71740f6c9901ee43a54c4f2e5855866dece /drivers/gpu/drm/radeon/atombios_dp.c
parent59365671464539dc695bbf4d4bf37aabfd8604f2 (diff)
downloadlinux-017d213f649c6775e4a4349e50a5631a4e4c7308.tar.gz
drm/radeon/kms/atom: force bpc to 8 for now
Using the bpc (bits per color) specified by the monitor
can cause problems in some cases.  Until we get a better
handle on how to deal with those cases, just use a bpc of 8.

Reported-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_dp.c')
-rw-r--r--drivers/gpu/drm/radeon/atombios_dp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 6c62be226804..c57d85664e77 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -405,10 +405,13 @@ static void dp_get_adjust_train(u8 link_status[DP_LINK_STATUS_SIZE],
 /* get bpc from the EDID */
 static int convert_bpc_to_bpp(int bpc)
 {
+#if 0
 	if (bpc == 0)
 		return 24;
 	else
 		return bpc * 3;
+#endif
+	return 24;
 }
 
 /* get the max pix clock supported by the link rate and lane num */