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| author | Maxime Ripard <maxime@cerno.tech> | 2020-09-03 10:01:01 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2020-09-07 18:04:08 +0200 |
| commit | b7cb67a6b4fbb99a297bb0a57d906f56d81b29c9 (patch) | |
| tree | 4b86aaab59405deb1be000c5bf4a3621c2aeec85 /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | 792c3132bc1b0990db8e3dbef2e9a49bdf80cd62 (diff) | |
| download | kernel-b7cb67a6b4fbb99a297bb0a57d906f56d81b29c9.tar.gz | |
drm/vc4: crtc: Add a delay after disabling the PixelValve output
In order to avoid pixels getting stuck in the (unflushable) FIFO between
the HVS and the PV, we need to add some delay after disabling the PV output
and before disabling the HDMI controller. 20ms seems to be good enough so
let's use that.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Tested-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Link: https://patchwork.freedesktop.org/patch/msgid/15cf215bd2ceebd203c4010c09c21a4019c650ed.1599120059.git-series.maxime@cerno.tech
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
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