This will calculaet the DC3CO exit delay only once per full modeset.
Cc: Imre Deak <imre.deak@xxxxxxxxx>
Cc: Anshuman Gupta <anshuman.gupta@xxxxxxxxx>
Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_psr.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 1d2fd1a8925a..e64e0c4c80dc 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -802,7 +802,9 @@ static void intel_psr_enable_locked(struct drm_i915_private *dev_priv,
dev_priv->psr.busy_frontbuffer_bits = 0;
dev_priv->psr.pipe = to_intel_crtc(crtc_state->uapi.crtc)->pipe;
dev_priv->psr.dc3co_enabled = !!crtc_state->dc3co_exitline;
- dev_priv->psr.dc3co_exit_delay = intel_get_frame_time_us(crtc_state);
+ /* DC5/DC6 required idle frames = 6 */
+ val = usecs_to_jiffies(intel_get_frame_time_us(crtc_state) * 6);
+ dev_priv->psr.dc3co_exit_delay = val;
dev_priv->psr.transcoder = crtc_state->cpu_transcoder;
/*
@@ -1277,8 +1279,6 @@ static void
tgl_dc3co_flush(struct drm_i915_private *dev_priv,
unsigned int frontbuffer_bits, enum fb_op_origin origin)
{
- u32 delay;
-
mutex_lock(&dev_priv->psr.lock);
if (!dev_priv->psr.dc3co_enabled)
@@ -1296,10 +1296,8 @@ tgl_dc3co_flush(struct drm_i915_private *dev_priv,
goto unlock;
tgl_psr2_enable_dc3co(dev_priv);
- /* DC5/DC6 required idle frames = 6 */
- delay = 6 * dev_priv->psr.dc3co_exit_delay;
mod_delayed_work(system_wq, &dev_priv->psr.idle_work,
- usecs_to_jiffies(delay));
+ dev_priv->psr.dc3co_exit_delay);
unlock:
mutex_unlock(&dev_priv->psr.lock);
--
2.25.0
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