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authorAlex Deucher <alexander.deucher@amd.com>2013-01-30 01:36:47 +0400
committerAlex Deucher <alexander.deucher@amd.com>2013-01-30 01:40:55 +0400
commit9200ee4941a6e5d1ec5df88982243686882dff3f (patch)
tree8c406bdba7d750f7d05245c89730a6bbfe3b420f /drivers/gpu/drm/radeon/radeon_combios.c
parent674a16f2b4724880d07389abbb95abf320b924aa (diff)
downloadlinux-9200ee4941a6e5d1ec5df88982243686882dff3f.tar.xz
drm/radeon: add quirk for RV100 board
vbios says external TMDS while the board is actually internal TMDS. fixes: https://bugs.freedesktop.org/show_bug.cgi?id=60037 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_combios.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_combios.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 33a56a09ff10..3e403bdda58f 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -2470,6 +2470,14 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
1),
ATOM_DEVICE_CRT1_SUPPORT);
}
+ /* RV100 board with external TDMS bit mis-set.
+ * Actually uses internal TMDS, clear the bit.
+ */
+ if (dev->pdev->device == 0x5159 &&
+ dev->pdev->subsystem_vendor == 0x1014 &&
+ dev->pdev->subsystem_device == 0x029A) {
+ tmp &= ~(1 << 4);
+ }
if ((tmp >> 4) & 0x1) {
devices |= ATOM_DEVICE_DFP2_SUPPORT;
radeon_add_legacy_encoder(dev,