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drm/i915: Factor out intel_crtc_has_encoders() 

Make the code mode readable by pulling the "does this crtc have any
encoders?" deduction into a separate function.

Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2015-08-26 19:39:19 +03:00 committed by Daniel Vetter
parent 0f64614dde
commit 02e93c3537
1 changed files with 13 additions and 9 deletions
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22
drivers/gpu/drm/i915/intel_display.c
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@ -14807,13 +14807,22 @@ intel_check_plane_mapping(struct intel_crtc *crtc)
return true;
}
static bool intel_crtc_has_encoders(struct intel_crtc *crtc)
{
struct drm_device *dev = crtc->base.dev;
struct intel_encoder *encoder;
for_each_encoder_on_crtc(dev, &crtc->base, encoder)
return true;
return false;
}
static void intel_sanitize_crtc(struct intel_crtc *crtc)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_encoder *encoder;
u32 reg;
bool enable;
/* Clear any frame start delays used for debugging left by the BIOS */
reg = PIPECONF(crtc->config->cpu_transcoder);
@ -14857,16 +14866,11 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc)
/* Adjust the state of the output pipe according to whether we
* have active connectors/encoders. */
enable = false;
for_each_encoder_on_crtc(dev, &crtc->base, encoder) {
enable = true;
break;
}
if (!enable)
if (!intel_crtc_has_encoders(crtc))
intel_crtc_disable_noatomic(&crtc->base);
if (crtc->active != crtc->base.state->active) {
struct intel_encoder *encoder;
/* This can happen either due to bugs in the get_hw_state
* functions or because of calls to intel_crtc_disable_noatomic,