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| author | James Morris <jmorris@namei.org> | 2009-08-11 08:33:01 +1000 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2009-08-11 08:33:01 +1000 |
| commit | 8b4bfc7feb005d84e2bd0831d8331a304e9d6483 (patch) | |
| tree | a13891d7264aefeea65e60cc956e8fa704032cd9 /drivers/gpu/drm/i915/intel_crt.c | |
| parent | 896a6de40ef3814525632609799af909338f50c3 (diff) | |
| parent | 85dfd81dc57e8183a277ddd7a56aa65c96f3f487 (diff) | |
| download | linux-stable-8b4bfc7feb005d84e2bd0831d8331a304e9d6483.tar.gz linux-stable-8b4bfc7feb005d84e2bd0831d8331a304e9d6483.tar.bz2 linux-stable-8b4bfc7feb005d84e2bd0831d8331a304e9d6483.zip | |
Merge branch 'master' into next
Diffstat (limited to 'drivers/gpu/drm/i915/intel_crt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_crt.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index d6a1a6e5539a..4cf8e2e88a40 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -156,6 +156,9 @@ static bool intel_igdng_crt_detect_hotplug(struct drm_connector *connector) temp = adpa = I915_READ(PCH_ADPA); + adpa &= ~ADPA_DAC_ENABLE; + I915_WRITE(PCH_ADPA, adpa); + adpa &= ~ADPA_CRT_HOTPLUG_MASK; adpa |= (ADPA_CRT_HOTPLUG_PERIOD_128 | @@ -169,13 +172,14 @@ static bool intel_igdng_crt_detect_hotplug(struct drm_connector *connector) DRM_DEBUG("pch crt adpa 0x%x", adpa); I915_WRITE(PCH_ADPA, adpa); - /* This might not be needed as not specified in spec...*/ - udelay(1000); + while ((I915_READ(PCH_ADPA) & ADPA_CRT_HOTPLUG_FORCE_TRIGGER) != 0) + ; /* Check the status to see if both blue and green are on now */ adpa = I915_READ(PCH_ADPA); - if ((adpa & ADPA_CRT_HOTPLUG_MONITOR_MASK) == - ADPA_CRT_HOTPLUG_MONITOR_COLOR) + adpa &= ADPA_CRT_HOTPLUG_MONITOR_MASK; + if ((adpa == ADPA_CRT_HOTPLUG_MONITOR_COLOR) || + (adpa == ADPA_CRT_HOTPLUG_MONITOR_MONO)) ret = true; else ret = false; |