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authorAndré Fabian Silva Delgado <andre@pc-01.localdomain>2012-03-12 01:16:00 -0300
committerAndré Fabian Silva Delgado <andre@pc-01.localdomain>2012-03-12 01:16:00 -0300
commit0898dcbc181487ce82934f9f900b2a1772fd2da0 (patch)
treef3ae46a77fa698eac4f8786beff116e49132e1b2 /kernels/linux-libre-aufs_friendly/fix-i915.patch
parent27c545ae9d8f8876469bed2eb8d11fdd6455992f (diff)
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kernels/linux-libre-aufs_friendly
Diffstat (limited to 'kernels/linux-libre-aufs_friendly/fix-i915.patch')
-rw-r--r--kernels/linux-libre-aufs_friendly/fix-i915.patch26
1 files changed, 26 insertions, 0 deletions
diff --git a/kernels/linux-libre-aufs_friendly/fix-i915.patch b/kernels/linux-libre-aufs_friendly/fix-i915.patch
new file mode 100644
index 000000000..3b631361a
--- /dev/null
+++ b/kernels/linux-libre-aufs_friendly/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);