diff options
| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2013-04-08 22:48:07 +0400 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-04-18 11:43:31 +0400 |
| commit | 3f704fa2778d3fe45e6529825a5c7a8bcbc686f4 (patch) | |
| tree | e89e97b4f8718d02260ef7a0c7613a55c7ee41f9 /drivers/gpu/drm/i915/i915_drv.h | |
| parent | ac4c16c56cd41f320af064fc7bf28a1ec82c2278 (diff) | |
| download | linux-3f704fa2778d3fe45e6529825a5c7a8bcbc686f4.tar.xz | |
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/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 9b85fcdb3918..d5dcf7fe1ee9 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -976,6 +976,7 @@ typedef struct drm_i915_private { unsigned int int_crt_support:1; unsigned int lvds_use_ssc:1; unsigned int display_clock_mode:1; + unsigned int fdi_rx_polarity_inverted:1; int lvds_ssc_freq; unsigned int bios_lvds_val; /* initial [PCH_]LVDS reg val in VBIOS */ struct { |