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drm/i915: Schedule DRRS work from intel_drrs_enable()

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Schedule the DRRS downclock work already from intel_drrs_enable()
instead of waiting around for a frontbuffer flush that may or
may not ever come.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220315132752.11849-7-ville.syrjala@linux.intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
This commit is contained in:
Ville Syrjälä 2022-03-15 15:27:49 +02:00
parent fb4ae6e650
commit 1c00404769
1 changed files with 8 additions and 2 deletions
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10
drivers/gpu/drm/i915/display/intel_drrs.c
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@ -168,6 +168,11 @@ static void intel_drrs_set_state(struct intel_crtc *crtc,
crtc->drrs.refresh_rate = refresh_rate;
}
static void intel_drrs_schedule_work(struct intel_crtc *crtc)
{
mod_delayed_work(system_wq, &crtc->drrs.work, msecs_to_jiffies(1000));
}
static unsigned int intel_drrs_frontbuffer_bits(const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
@ -200,6 +205,8 @@ void intel_drrs_enable(const struct intel_crtc_state *crtc_state)
crtc->drrs.frontbuffer_bits = intel_drrs_frontbuffer_bits(crtc_state);
crtc->drrs.busy_frontbuffer_bits = 0;
intel_drrs_schedule_work(crtc);
mutex_unlock(&crtc->drrs.mutex);
}
@ -299,8 +306,7 @@ static void intel_drrs_frontbuffer_update(struct drm_i915_private *dev_priv,
* other fbs are quiescent too
*/
if (!crtc->drrs.busy_frontbuffer_bits)
mod_delayed_work(system_wq, &crtc->drrs.work,
msecs_to_jiffies(1000));
intel_drrs_schedule_work(crtc);
else
cancel_delayed_work(&crtc->drrs.work);