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(parent: 65f3108) | patch
drm/amd/display: check if REFCLK_CNTL register is present
authorDmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Wed, 22 Apr 2020 22:07:52 +0000 (18:07 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 20 May 2020 06:20:15 +0000 (08:20 +0200)
commitf4164b29dc08854023e68227a8118db3066f28b2
tree623169abe701f8964325c2f51581ce8e8e8ca7cdtree | snapshot
parent65f3108cbb1d6505406e33269f618033a89667edcommit | diff
drm/amd/display: check if REFCLK_CNTL register is present

[ Upstream commit 3159d41db3a04330c31ece32f8b29752fc114848 ]

Check before programming the register since it isn't present on
all IPs using this code.

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c diff | blob | history
Domain: System / Kernel;