path: root/drivers/gpu/drm/i915/intel_bios.h
diff options
authorPaulo Zanoni <paulo.r.zanoni@intel.com>2013-04-08 15:48:07 -0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-04-18 09:43:31 +0200
commit3f704fa2778d3fe45e6529825a5c7a8bcbc686f4 (patch)
treee89e97b4f8718d02260ef7a0c7613a55c7ee41f9 /drivers/gpu/drm/i915/intel_bios.h
parentac4c16c56cd41f320af064fc7bf28a1ec82c2278 (diff)
drm/i915: set CPT FDI RX polarity bits based on VBT
Check the VBT to see if the machine has inverted FDI RX polarity on CPT. Based on this bit, set the appropriate bit on the TRANS_CHICKEN2 registers. This should fix some machines that were showing black screens on all outputs. Cc: stable@vger.kernel.org Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=60029 Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Imre Deak <imre.deak@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.h')
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h
index 36e57f93437..e088d6f0956 100644
--- a/drivers/gpu/drm/i915/intel_bios.h
+++ b/drivers/gpu/drm/i915/intel_bios.h
@@ -127,7 +127,9 @@ struct bdb_general_features {
/* bits 3 */
u8 disable_smooth_vision:1;
u8 single_dvi:1;
- u8 rsvd9:6; /* finish byte */
+ u8 rsvd9:1;
+ u8 fdi_rx_polarity_inverted:1;
+ u8 rsvd10:4; /* finish byte */
/* bits 4 */
u8 legacy_monitor_detect;