Evolution-x-devices/device_xiaomi_sm6150-common
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sm6150-common: properties: Defer refresh rate changes when screen is off

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Some devices with video mode panels experience refresh rate mismatches when the screen is turned off. Specifically:
- The scheduler sets the refresh rate to 120 Hz after the screen turns off at 60 Hz (VRR idle).
- However, the HWC ignores this change, resulting in SurfaceFlinger (SF) incorrectly assuming the device is at 120 Hz when the display is turned back on.
- This causes a mismatch, as HWC continues rendering at 60 Hz, leading to inconsistencies.

To enable this behavior, set the following property:
- `debug.sf.defer_refresh_rate_when_off=1`

Change-Id: I46fd9e6b983138c1f625d52a65451eb04ce42820
Signed-off-by: Adithya R <gh0strider.2k18.reborn@gmail.com>
Signed-off-by: therealmharc <therealmharc@gmail.com>
This commit is contained in:
Adithya R
2025-01-14 13:19:43 +08:00
committed by therealmharc
parent efe96ebc2a
commit 5c358b97e8
1 changed files with 1 additions and 0 deletions
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vendor.prop
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@@ -148,6 +148,7 @@ debug.sf.early.sf.duration=21000000
debug.sf.early.app.duration=16500000 debug.sf.early.app.duration=16500000
debug.sf.earlyGl.sf.duration=13500000 debug.sf.earlyGl.sf.duration=13500000
debug.sf.earlyGl.app.duration=21000000 debug.sf.earlyGl.app.duration=21000000
debug.sf.defer_refresh_rate_when_off=1
debug.sf.enable_hwc_vds=1 debug.sf.enable_hwc_vds=1
debug.sf.hw=0 debug.sf.hw=0
debug.sf.predict_hwc_composition_strategy=0 debug.sf.predict_hwc_composition_strategy=0