diff options
| author | Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> | 2023-10-05 11:48:44 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-10-26 18:57:58 -0400 |
| commit | da2d16fcdda344b18ec9a4a55dff9805d5d781d2 (patch) | |
| tree | 11ed56064172a1f5ddfe954b56111967cec09c1b /drivers/gpu/drm/amd/display/dc/dc.h | |
| parent | 488bb99d42e607a40524ee1514b0b1246b1f69c8 (diff) | |
drm/amd/display: Fix IPS handshake for idle optimizations
[Why]
Intermittent reboot hangs are observed introduced by
"Improve x86 and dmub ips handshake".
[How]
Bring back the commit but fix the polling.
Avoid hanging in place forever by bounding the delay and ensure that
we still message DMCUB on IPS2 exit to notify driver idle has been
cleared.
Reviewed-by: Duncan Ma <duncan.ma@amd.com>
Reviewed-by: Jun Lei <jun.lei@amd.com>
Acked-by: Roman Li <roman.li@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index eab9a0be3328..72ba62d1a01e 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -975,6 +975,8 @@ struct dc_debug_options { bool replay_skip_crtc_disabled; bool ignore_pg;/*do nothing, let pmfw control it*/ bool psp_disabled_wa; + unsigned int ips2_eval_delay_us; + unsigned int ips2_entry_delay_us; }; struct gpu_info_soc_bounding_box_v1_0; |