Similar to enable_fbc, enable_psr was ignored at runtime if it was
changed. The easiest fix is to pretend enable_psr is ignored at
configure time, and never activate it for !enable_psr, so both cases
are handled without modesets.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Tested-by: Benjamin Berg <bberg@xxxxxxxxxx>
Cc: Benjamin Berg <bberg@xxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_psr.c | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 23175c5c4a50..ac3ce7a1c2a7 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -502,11 +502,6 @@ void intel_psr_compute_config(struct intel_dp *intel_dp,
if (!CAN_PSR(dev_priv))
return;
- if (!i915_modparams.enable_psr) {
- DRM_DEBUG_KMS("PSR disable by flag\n");
- return;
- }
-
/*
* HSW spec explicitly says PSR is tied to port A.
* BDW+ platforms with DDI implementation of PSR have different
@@ -559,7 +554,10 @@ void intel_psr_compute_config(struct intel_dp *intel_dp,
crtc_state->has_psr = true;
crtc_state->has_psr2 = intel_psr2_config_valid(intel_dp, crtc_state);
- DRM_DEBUG_KMS("Enabling PSR%s\n", crtc_state->has_psr2 ? "2" : "");
+ if (i915_modparams.enable_psr)
+ DRM_DEBUG_KMS("Enabling PSR%s\n", crtc_state->has_psr2 ? "2" : "");
+ else
+ DRM_DEBUG_KMS("PSR disable by flag\n");
}
static void intel_psr_activate(struct intel_dp *intel_dp)
@@ -652,7 +650,9 @@ void intel_psr_enable(struct intel_dp *intel_dp,
dev_priv->psr.enable_source(intel_dp, crtc_state);
dev_priv->psr.enabled = intel_dp;
- if (INTEL_GEN(dev_priv) >= 9) {
+ if (!i915_modparams.enable_psr) {
+ DRM_DEBUG_KMS("PSR disable by flag\n");
+ } else if (INTEL_GEN(dev_priv) >= 9) {
intel_psr_activate(intel_dp);
} else {
/*
@@ -843,7 +843,7 @@ static void intel_psr_work(struct work_struct *work)
* recheck. Since psr_flush first clears this and then reschedules we
* won't ever miss a flush when bailing out here.
*/
- if (dev_priv->psr.busy_frontbuffer_bits)
+ if (dev_priv->psr.busy_frontbuffer_bits || !i915_modparams.enable_psr)
goto unlock;
intel_psr_activate(intel_dp);
@@ -1015,7 +1015,8 @@ void intel_psr_flush(struct drm_i915_private *dev_priv,
return;
mutex_lock(&dev_priv->psr.lock);
- if (!dev_priv->psr.enabled) {
+ if (!dev_priv->psr.enabled || !i915_modparams.enable_psr) {
+ intel_psr_exit(dev_priv);
mutex_unlock(&dev_priv->psr.lock);
return;
}
--
2.16.2
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