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From: "José Roberto de Souza" <jose.souza@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH rebased 1/3] drm/i915/dc3co: Do the full calculation of DC3CO exit only once
Date: Thu, 16 Jan 2020 10:54:19 -0800	[thread overview]
Message-ID: <20200116185421.66585-1-jose.souza@intel.com> (raw)

This will calculaet the DC3CO exit delay only once per full modeset.

Cc: Imre Deak <imre.deak@intel.com>
Cc: Anshuman Gupta <anshuman.gupta@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
---
 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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             reply	other threads:[~2020-01-16 18:54 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-16 18:54 José Roberto de Souza [this message]
2020-01-16 18:54 ` [Intel-gfx] [PATCH rebased 2/3] drm/i915/dc3co: Check for DC3C0 exit state instead of sleep José Roberto de Souza
2020-01-20  4:12   ` Anshuman Gupta
2020-01-16 18:54 ` [Intel-gfx] [PATCH rebased 3/3] drm/i915/dc3co: Avoid full modeset when EXITLINE needs to be changed José Roberto de Souza
2020-01-20  4:38   ` Anshuman Gupta
2020-01-16 20:41 ` [Intel-gfx] ✓ Fi.CI.BAT: success for series starting with [rebased,1/3] drm/i915/dc3co: Do the full calculation of DC3CO exit only once Patchwork
2020-01-16 20:41 ` [Intel-gfx] ✗ Fi.CI.BUILD: warning " Patchwork
2020-01-19 22:14 ` [Intel-gfx] ✓ Fi.CI.IGT: success " Patchwork
2020-01-20  4:21 ` [Intel-gfx] [PATCH rebased 1/3] " Anshuman Gupta

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