From 08fa48351a92d64df4d2de245c698256ff9cc3d5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Tue, 28 Apr 2020 20:19:26 +0300
Subject: drm/i915: Introduce some local intel_dp variables
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Git-commit: 6770ef332fccd6ad7fdd1ffeee8cd20c8bb10562
Patch-mainline: v5.9-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
The drrs code dereferences mode->vrefresh via some really long chain
of structures/pointers. Couldn't get coccinelle to see through all
that so let's add some local variables to help it.
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200428171940.19552-3-ville.syrjala@linux.intel.com
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/display/intel_dp.c | 18 ++++++++++++------
1 file changed, 12 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index ed9e53c373a7..300365631144 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -7860,6 +7860,7 @@ static void intel_edp_drrs_downclock_work(struct work_struct *work)
void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv,
unsigned int frontbuffer_bits)
{
+ struct intel_dp *intel_dp;
struct drm_crtc *crtc;
enum pipe pipe;
@@ -7869,12 +7870,14 @@ void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv,
cancel_delayed_work(&dev_priv->drrs.work);
mutex_lock(&dev_priv->drrs.mutex);
- if (!dev_priv->drrs.dp) {
+
+ intel_dp = dev_priv->drrs.dp;
+ if (!intel_dp) {
mutex_unlock(&dev_priv->drrs.mutex);
return;
}
- crtc = dp_to_dig_port(dev_priv->drrs.dp)->base.base.crtc;
+ crtc = dp_to_dig_port(intel_dp)->base.base.crtc;
pipe = to_intel_crtc(crtc)->pipe;
frontbuffer_bits &= INTEL_FRONTBUFFER_ALL_MASK(pipe);
@@ -7883,7 +7886,7 @@ void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv,
/* invalidate means busy screen hence upclock */
if (frontbuffer_bits && dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR)
intel_dp_set_drrs_state(dev_priv, to_intel_crtc(crtc)->config,
- dev_priv->drrs.dp->attached_connector->panel.fixed_mode->vrefresh);
+ intel_dp->attached_connector->panel.fixed_mode->vrefresh);
mutex_unlock(&dev_priv->drrs.mutex);
}
@@ -7903,6 +7906,7 @@ void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv,
void intel_edp_drrs_flush(struct drm_i915_private *dev_priv,
unsigned int frontbuffer_bits)
{
+ struct intel_dp *intel_dp;
struct drm_crtc *crtc;
enum pipe pipe;
@@ -7912,12 +7916,14 @@ void intel_edp_drrs_flush(struct drm_i915_private *dev_priv,
cancel_delayed_work(&dev_priv->drrs.work);
mutex_lock(&dev_priv->drrs.mutex);
- if (!dev_priv->drrs.dp) {
+
+ intel_dp = dev_priv->drrs.dp;
+ if (!intel_dp) {
mutex_unlock(&dev_priv->drrs.mutex);
return;
}
- crtc = dp_to_dig_port(dev_priv->drrs.dp)->base.base.crtc;
+ crtc = dp_to_dig_port(intel_dp)->base.base.crtc;
pipe = to_intel_crtc(crtc)->pipe;
frontbuffer_bits &= INTEL_FRONTBUFFER_ALL_MASK(pipe);
@@ -7926,7 +7932,7 @@ void intel_edp_drrs_flush(struct drm_i915_private *dev_priv,
/* flush means busy screen hence upclock */
if (frontbuffer_bits && dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR)
intel_dp_set_drrs_state(dev_priv, to_intel_crtc(crtc)->config,
- dev_priv->drrs.dp->attached_connector->panel.fixed_mode->vrefresh);
+ intel_dp->attached_connector->panel.fixed_mode->vrefresh);
/*
* flush also means no more activity hence schedule downclock, if all
--
2.29.2