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drm/i915: take a power domain ref only when needed during HDMI detect

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Suggested by Ville.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1447959301-1263-1-git-send-email-imre.deak@intel.com
This commit is contained in:
Imre Deak 2015-11-19 20:55:00 +02:00
parent 366e39b4d2
commit 69172f210e
1 changed files with 4 additions and 3 deletions
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7
drivers/gpu/drm/i915/intel_hdmi.c
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@ -1351,14 +1351,15 @@ intel_hdmi_set_edid(struct drm_connector *connector, bool force)
struct edid *edid = NULL;
bool connected = false;
intel_display_power_get(dev_priv, POWER_DOMAIN_GMBUS);
if (force) {
intel_display_power_get(dev_priv, POWER_DOMAIN_GMBUS);
if (force)
edid = drm_get_edid(connector,
intel_gmbus_get_adapter(dev_priv,
intel_hdmi->ddc_bus));
intel_display_power_put(dev_priv, POWER_DOMAIN_GMBUS);
intel_display_power_put(dev_priv, POWER_DOMAIN_GMBUS);
}
to_intel_connector(connector)->detect_edid = edid;
if (edid && edid->input & DRM_EDID_INPUT_DIGITAL) {