]> www.infradead.org Git - users/dwmw2/linux.git/commit
drm/amd/display: Remove stutter only configurations
authorNasir Osman <nasir.osman@amd.com>
Wed, 1 Feb 2023 19:16:12 +0000 (14:16 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 11 May 2023 14:03:03 +0000 (23:03 +0900)
commit5e1574aa0639abf811375aaba1d6799d035dc97b
tree23714bc3b4e38b255c633cd8489db01c115798c8
parentf6ee841ff2169d7a7d045340ee72b2b9de9f06c5
drm/amd/display: Remove stutter only configurations

[ Upstream commit 71c4ca2d3b079d0ba4d9b3033641fea906cebfb6 ]

[why]
Newer ASICs such as DCN314 needs to allow for both self refresh and mem
clk switching rather than just self refresh only. Otherwise, we can see
some p-state hangs on ASICs that do support mem clk switching.

[how]
Added an allow_self_refresh_only flag for dcn30_internal_validate_bw
and created a validate_bw method for DCN314 with the allow_self_refresh_only
flag set to false (to support mem clk switching).

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Nasir Osman <nasir.osman@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Stable-dep-of: 1e994cc0956b ("drm/amd/display: limit timing for single dimm memory")
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.h
drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.h
drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c