diff options
| author | Duncan Ma <duncan.ma@amd.com> | 2023-10-31 16:57:36 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-11-17 09:30:50 -0500 |
| commit | cc6201b773f12388c234aa10145322ccc429959e (patch) | |
| tree | d3c607344e301329240217fc29871506963a426d /drivers/gpu/drm/amd/display/dc/clk_mgr | |
| parent | 5f70d4ff8095a2ad362d2a00eb8d9f7e20f3daa1 (diff) | |
drm/amd/display: Add disable timeout option
[WHY]
Driver continues running whenever there is
is timeout from smu or dmcub.
It is difficult to track failure state
when dcn, dc or dmcub changes on root failure.
[HOW]
Add disable_timeout option to halt driver
whenever there is a failure in response.
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Duncan Ma <duncan.ma@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/clk_mgr')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c index b6b8c3ca1572..af0a0f292595 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c @@ -116,6 +116,9 @@ static uint32_t dcn35_smu_wait_for_response(struct clk_mgr_internal *clk_mgr, un msleep(delay_us/1000); else if (delay_us > 0) udelay(delay_us); + + if (clk_mgr->base.ctx->dc->debug.disable_timeout) + max_retries++; } while (max_retries--); return res_val; |