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author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-02-16 09:36:05 +0000 |
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committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-02-16 09:44:30 +0000 |
commit | 9035a97a32836d0e456ddafaaf249a844e6e4b5e (patch) | |
tree | 41ec3db083bdb46cd831f0d39db1fe294ae7d55f /drivers/gpu/drm/i915/intel_dp.c | |
parent | fe16d949b45036d9f80e20e07bde1ddacc930b10 (diff) | |
parent | 452858338aec31c1f4414bf07f31663690479869 (diff) | |
download | lwn-9035a97a32836d0e456ddafaaf249a844e6e4b5e.tar.gz lwn-9035a97a32836d0e456ddafaaf249a844e6e4b5e.zip |
Merge branch 'drm-intel-fixes' into drm-intel-next
Grab the latest stabilisation bits from -fixes and some suspend and
resume fixes from linus.
Conflicts:
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/i915_irq.c
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 36 |
1 files changed, 30 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 65959a29ab2b..7ffb324b6a7d 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1657,6 +1657,24 @@ static int intel_dp_get_modes(struct drm_connector *connector) return 0; } +static bool +intel_dp_detect_audio(struct drm_connector *connector) +{ + struct intel_dp *intel_dp = intel_attached_dp(connector); + struct edid *edid; + bool has_audio = false; + + edid = drm_get_edid(connector, &intel_dp->adapter); + if (edid) { + has_audio = drm_detect_monitor_audio(edid); + + connector->display_info.raw_edid = NULL; + kfree(edid); + } + + return has_audio; +} + static int intel_dp_set_property(struct drm_connector *connector, struct drm_property *property, @@ -1670,17 +1688,23 @@ intel_dp_set_property(struct drm_connector *connector, return ret; if (property == intel_dp->force_audio_property) { - if (val == intel_dp->force_audio) + int i = val; + bool has_audio; + + if (i == intel_dp->force_audio) return 0; - intel_dp->force_audio = val; + intel_dp->force_audio = i; - if (val > 0 && intel_dp->has_audio) - return 0; - if (val < 0 && !intel_dp->has_audio) + if (i == 0) + has_audio = intel_dp_detect_audio(connector); + else + has_audio = i > 0; + + if (has_audio == intel_dp->has_audio) return 0; - intel_dp->has_audio = val > 0; + intel_dp->has_audio = has_audio; goto done; } |