From: Alex Deucher Date: Tue, 29 Jan 2013 21:36:47 +0000 (-0500) Subject: drm/radeon: add quirk for RV100 board X-Git-Tag: v3.7.7~31 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=04589e1f343ad9bb6a9e6dfeeb76af27533db2d4;p=karo-tx-linux.git drm/radeon: add quirk for RV100 board commit 9200ee4941a6e5d1ec5df88982243686882dff3f upstream. 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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index ced9a813d87b..4981a20b5970 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,