diff options
| author | root <root@rshg047.dnsready.net> | 2011-07-24 23:18:01 +0000 |
|---|---|---|
| committer | root <root@rshg047.dnsready.net> | 2011-07-24 23:18:01 +0000 |
| commit | 43983783a3e8bf61896eb93a2858a14bbaf3a53b (patch) | |
| tree | c3085b8900db730e945868819ed112708a661653 /libre/linux-libre/fix-i915.patch | |
| parent | 0e8166d926f929f470d01d5bc8c8823e094742da (diff) | |
Sun Jul 24 23:18:00 UTC 2011
Diffstat (limited to 'libre/linux-libre/fix-i915.patch')
| -rw-r--r-- | libre/linux-libre/fix-i915.patch | 27 |
1 files changed, 27 insertions, 0 deletions
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 <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); + |