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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-01-29 16:36:47 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-01-29 16:40:55 -0500 |
| commit | 9200ee4941a6e5d1ec5df88982243686882dff3f (patch) | |
| tree | 8c406bdba7d750f7d05245c89730a6bbfe3b420f | |
| parent | 674a16f2b4724880d07389abbb95abf320b924aa (diff) | |
| download | linux-9200ee4941a6e5d1ec5df88982243686882dff3f.tar.gz linux-9200ee4941a6e5d1ec5df88982243686882dff3f.tar.bz2 linux-9200ee4941a6e5d1ec5df88982243686882dff3f.zip | |
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
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_combios.c | 8 |
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, |