The global variable dev_priv->psr.sink_support is set if an eDP sink
supports PSR. Use this instead of redoing the check with is_edp_psr().
Combine source and sink support checks into a macro that can be used to
return early from psr_{invalidate, single_frame_update, flush}.
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_drv.h | 1 +
drivers/gpu/drm/i915/intel_psr.c | 19 ++++---------------
2 files changed, 5 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 30f791f89d64..48676e99316e 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1760,6 +1760,7 @@ static inline void intel_backlight_device_unregister(struct intel_connector *con
/* intel_psr.c */
+#define CAN_PSR(dev_priv) (HAS_PSR(dev_priv) && dev_priv->psr.sink_support)
void intel_psr_enable(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state);
void intel_psr_disable(struct intel_dp *intel_dp,
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index c4d75e82a1df..76339cf387cb 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -56,14 +56,6 @@
#include "intel_drv.h"
#include "i915_drv.h"
-static bool is_edp_psr(struct intel_dp *intel_dp)
-{
- if (!intel_dp_is_edp(intel_dp))
- return false;
-
- return intel_dp->psr_dpcd[0] & DP_PSR_IS_SUPPORTED;
-}
-
static bool vlv_is_psr_active_on_pipe(struct drm_device *dev, int pipe)
{
struct drm_i915_private *dev_priv = to_i915(dev);
@@ -358,10 +350,7 @@ void intel_psr_compute_config(struct intel_dp *intel_dp,
&crtc_state->base.adjusted_mode;
int psr_setup_time;
- if (!HAS_PSR(dev_priv))
- return;
-
- if (!is_edp_psr(intel_dp))
+ if (!CAN_PSR(dev_priv))
return;
if (!i915_modparams.enable_psr) {
@@ -794,7 +783,7 @@ void intel_psr_single_frame_update(struct drm_i915_private *dev_priv,
enum pipe pipe;
u32 val;
- if (!HAS_PSR(dev_priv))
+ if (!CAN_PSR(dev_priv))
return;
/*
@@ -843,7 +832,7 @@ void intel_psr_invalidate(struct drm_i915_private *dev_priv,
struct drm_crtc *crtc;
enum pipe pipe;
- if (!HAS_PSR(dev_priv))
+ if (!CAN_PSR(dev_priv))
return;
mutex_lock(&dev_priv->psr.lock);
@@ -883,7 +872,7 @@ void intel_psr_flush(struct drm_i915_private *dev_priv,
struct drm_crtc *crtc;
enum pipe pipe;
- if (!HAS_PSR(dev_priv))
+ if (!CAN_PSR(dev_priv))
return;
mutex_lock(&dev_priv->psr.lock);
--
2.11.0
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