[PATCH AUTOSEL 5.17 13/23] drm/amd/display: undo clearing of z10 related function pointers

Sasha Levin
2022-05-18T12:28:09Z

From: Eric Yang <Eric.Yang2@amd.com>

[ Upstream commit 9b9bd3f640640f94272a461b2dfe558f91b322c5 ]

[Why]
Z10 and S0i3 have some shared path. Previous code clean up ,
incorrectly removed these pointers, which breaks s0i3 restore

[How]
Do not clear the function pointers based on Z10 disable.

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Eric Yang <Eric.Yang2@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/dcn31/dcn31_init.c | 5 -----
1 file changed, 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c
index d7559e5a99ce..e708f07fe75a 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c
@@ -153,9 +153,4 @@ void dcn31_hw_sequencer_construct(struct dc *dc)
dc->hwss.init_hw = dcn20_fpga_init_hw;
dc->hwseq->funcs.init_pipes = NULL;
}
- if (dc->debug.disable_z10) {
- /*hw not support z10 or sw disable it*/
- dc->hwss.z10_restore = NULL;
- dc->hwss.z10_save_init = NULL;
- }
}
--
2.35.1