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Workaround: skip DPMS handling if there is no mode change 97/272797/2
authorMarek Szyprowski <m.szyprowski@samsung.com>
Thu, 24 Mar 2022 12:32:55 +0000 (13:32 +0100)
committerMarek Szyprowski <m.szyprowski@samsung.com>
Fri, 25 Mar 2022 08:33:19 +0000 (09:33 +0100)
commit47d7b27a682308755ca253e31f33608e0aa009a3
tree159a2286259eaf31b19c27c0b6c9b88bfdeec22atree | snapshot
parent42e4cd1d2901a7f4f4e843394c6618e0c5ab4ac0commit | diff
Workaround: skip DPMS handling if there is no mode change

Setting DPMS properties causes VC4 to timeout on waiting for the vblank
on HDMI port 0 on RaspberriPi4b with the latest firmware. This is a known
firmware bug, but until it gets fixed, simply skip setting DPMS property
if there is no DPMS mode change.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Change-Id: I00c255c811700070e4d5a86c336cdbc130a0a23e
src/libhal-backend-tdm-vc4/tdm_vc4_display.c diff | blob | history
src/libtdm-vc4/tdm_vc4_display.c diff | blob | history
Domain: Graphics System / Display Management; Licenses: MIT;