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authorRodrigo Vivi <rodrigo.vivi@intel.com>2014-06-12 17:16:39 (GMT)
committerDaniel Vetter <daniel.vetter@ffwll.ch>2014-06-13 15:45:24 (GMT)
commit164872543eb9e4142d7c4b057e01c4eb00868705 (patch)
tree537a7710cd806100ea1b5931e961f016258ad1b6 /drivers/gpu/drm/i915/intel_dp.c
parent4704c573fc9fee38dd30f07d02037a7edc42bacd (diff)
downloadlinux-164872543eb9e4142d7c4b057e01c4eb00868705.tar.xz
drm/i915: Don't let update_psr function actually enable PSR.
Being more conservative by enabling PSR only on psr_enable function. Reviewed-by: Vijay Purushothaman <vijay.a.purushothaman@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index da65adc..a7b4ac9 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1805,9 +1805,6 @@ static void intel_edp_psr_do_enable(struct intel_dp *intel_dp)
intel_edp_is_psr_enabled(dev))
return;
- /* Setup PSR once */
- intel_edp_psr_setup(intel_dp);
-
/* Enable PSR on the panel */
intel_edp_psr_enable_sink(intel_dp);
@@ -1824,6 +1821,9 @@ void intel_edp_psr_enable(struct intel_dp *intel_dp)
return;
}
+ /* Setup PSR once */
+ intel_edp_psr_setup(intel_dp);
+
if (intel_edp_psr_match_conditions(intel_dp) &&
!intel_edp_is_psr_enabled(dev))
intel_edp_psr_do_enable(intel_dp);
@@ -1848,12 +1848,16 @@ void intel_edp_psr_disable(struct intel_dp *intel_dp)
void intel_edp_psr_update(struct drm_device *dev)
{
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_encoder *encoder;
struct intel_dp *intel_dp = NULL;
if (!HAS_PSR(dev))
return;
+ if (!dev_priv->psr.setup_done)
+ return;
+
list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head)
if (encoder->type == INTEL_OUTPUT_EDP) {
intel_dp = enc_to_intel_dp(&encoder->base);