git/linux-cryptodev-2.6
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git synced 2026-04-23 05:56:14 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amd/display: Added HPO HW control shutdown support

Browse Source 
[Why]
HPO is only used for DP2.0. HPO HW control should be
disable when not being used to save power.

[How]
Shutdown HPO HW control during init hw.
Shutdown HPO HW control during stream disable.
Enable HPO HW control during stream enable if DP2.0.

Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jake Wang
2021-10-21 19:10:17 -04:00
committed by Alex Deucher
parent edcf52caa9
commit 0a068b683c
9 changed files with 29 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/amd/display/dc/inc/hw_sequencer_private.h
View File

@@ -143,6 +143,7 @@ struct hwseq_private_funcs {
const struct dc_plane_state *plane_state);
void (*PLAT_58856_wa)(struct dc_state *context,
struct pipe_ctx *pipe_ctx);
void (*setup_hpo_hw_control)(const struct dce_hwseq *hws, bool enable);
};
struct dce_hwseq {