diff options
| author | Nicolás Reynolds <apoyosis@correo.inta.gob.ar> | 2011-08-21 21:35:41 -0300 |
|---|---|---|
| committer | Nicolás Reynolds <apoyosis@correo.inta.gob.ar> | 2011-08-21 21:35:41 -0300 |
| commit | c1cfe884daf3e065e56ec045165758fe3f916a99 (patch) | |
| tree | 5173ad42fdfa9c76478c8136db44ce40f33658ac /kernels/linux-libre-rt/fix-i915.patch | |
| parent | c41f8dd15ab384ff60b26f1fa20df586ff90574f (diff) | |
kernels/linux-libre-rt-3.0.1-1
Diffstat (limited to 'kernels/linux-libre-rt/fix-i915.patch')
| -rw-r--r-- | kernels/linux-libre-rt/fix-i915.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/kernels/linux-libre-rt/fix-i915.patch b/kernels/linux-libre-rt/fix-i915.patch new file mode 100644 index 000000000..3b631361a --- /dev/null +++ b/kernels/linux-libre-rt/fix-i915.patch @@ -0,0 +1,26 @@ +Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> +Tested-by: Santi <santi@agolina.net> +--- + drivers/gpu/drm/i915/intel_tv.c | 9 +++++++++ + 1 files changed, 9 insertions(+), 0 deletions(-) + +diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c +index dc83b7a..c8f67bf 100644 +--- a/drivers/gpu/drm/i915/intel_tv.c ++++ b/drivers/gpu/drm/i915/intel_tv.c +@@ -1267,6 +1267,15 @@ + DAC_B_0_7_V | + DAC_C_0_7_V); + ++ /* ++ * The TV sense state should be cleared to zero on cantiga platform. Otherwise ++ * the TV is misdetected. This is hardware requirement. ++ */ ++ if (IS_GM45(dev)) ++ tv_dac &= ~(TVDAC_STATE_CHG_EN | TVDAC_A_SENSE_CTL | ++ TVDAC_B_SENSE_CTL | TVDAC_C_SENSE_CTL); ++ ++ + I915_WRITE(TV_CTL, tv_ctl); + I915_WRITE(TV_DAC, tv_dac); + POSTING_READ(TV_DAC); |