diff options
| author | Roman Li <roman.li@amd.com> | 2024-04-03 12:13:56 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-04-30 09:57:23 -0400 |
| commit | afca033f10d346b6be794e468ed614a6fdc68a14 (patch) | |
| tree | 634b6acb1592370ddf1577813ecbcbc96d5ceb03 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | |
| parent | 5419a2076de1dd9b0b4a191d0dd07de7c4fa7040 (diff) | |
drm/amd/display: Add periodic detection for IPS
[Why]
HPD interrupt cannot be handled in IPS2 state.
So if there's a display topology change while system in IPS2
it can be missed.
[How]
Implement worker to check each 5 sec in IPS for HPD.
Reviewed-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Roman Li <roman.li@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/amdgpu_dm/amdgpu_dm_helpers.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index c27063305a13..7a510fe66908 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -1261,7 +1261,10 @@ void dm_set_phyd32clk(struct dc_context *ctx, int freq_khz) void dm_helpers_enable_periodic_detection(struct dc_context *ctx, bool enable) { - /* TODO: add periodic detection implementation */ + struct amdgpu_device *adev = ctx->driver_context; + + if (adev->dm.idle_workqueue) + adev->dm.idle_workqueue->enable = enable; } void dm_helpers_dp_mst_update_branch_bandwidth( |