From 65dbbef181d030c9743f846c160e78901814dd8a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nicol=C3=A1s=20Reynolds?= Date: Sat, 23 Jul 2011 20:50:31 -0300 Subject: libre/linux-libre-3.0 --- libre/linux-libre/fix-i915.patch | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 libre/linux-libre/fix-i915.patch (limited to 'libre/linux-libre/fix-i915.patch') diff --git a/libre/linux-libre/fix-i915.patch b/libre/linux-libre/fix-i915.patch new file mode 100644 index 000000000..96654047b --- /dev/null +++ b/libre/linux-libre/fix-i915.patch @@ -0,0 +1,27 @@ +Signed-off-by: Zhao Yakui +Tested-by: Santi +--- + 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); + -- cgit v1.2.3-2-g168b