diff options
| author | Ray Wu <ray.wu@amd.com> | 2025-06-11 14:02:25 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-07-28 16:40:31 -0400 |
| commit | 640cd296f5877d20db9d4fbf6441eee114c1cb97 (patch) | |
| tree | 90df36827adefea874e4ae99d716ab39be7181a9 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | |
| parent | drm/amd/display: Increase AUX Intra-Hop Done Max Wait Duration (diff) | |
| download | linux-640cd296f5877d20db9d4fbf6441eee114c1cb97.tar.gz linux-640cd296f5877d20db9d4fbf6441eee114c1cb97.zip | |
drm/amd/display: Add Replay residency in debugfs
[Why]
Users can access the replay residency to get PHY off percentage
[How]
Start capture residency:
sudo echo 1 /sys/kernel/debug/dri/0/eDP-1/replay_residency
Stop and Get replay residency:
sudo cat /sys/kernel/debug/dri/0/eDP-1/replay_residency
Reviewed-by: ChiaHsuan (Tom) Chung <chiahsuan.chung@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@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_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index 484691335fd6..f263e1a4537e 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -3107,6 +3107,35 @@ static int replay_get_state(void *data, u64 *val) } /* + * Start / Stop capture Replay residency + */ +static int replay_set_residency(void *data, u64 val) +{ + struct amdgpu_dm_connector *connector = data; + struct dc_link *link = connector->dc_link; + bool is_start = (val != 0); + u32 residency = 0; + + link->dc->link_srv->edp_replay_residency(link, &residency, is_start, PR_RESIDENCY_MODE_PHY); + return 0; +} + +/* + * Read Replay residency + */ +static int replay_get_residency(void *data, u64 *val) +{ + struct amdgpu_dm_connector *connector = data; + struct dc_link *link = connector->dc_link; + u32 residency = 0; + + link->dc->link_srv->edp_replay_residency(link, &residency, false, PR_RESIDENCY_MODE_PHY); + *val = (u64)residency; + + return 0; +} + +/* * Read PSR state */ static int psr_get(void *data, u64 *val) @@ -3325,7 +3354,8 @@ DEFINE_DEBUGFS_ATTRIBUTE(dmcub_trace_event_state_fops, dmcub_trace_event_state_g dmcub_trace_event_state_set, "%llu\n"); DEFINE_DEBUGFS_ATTRIBUTE(replay_state_fops, replay_get_state, NULL, "%llu\n"); - +DEFINE_DEBUGFS_ATTRIBUTE(replay_residency_fops, replay_get_residency, replay_set_residency, + "%llu\n"); DEFINE_DEBUGFS_ATTRIBUTE(psr_fops, psr_get, NULL, "%llu\n"); DEFINE_DEBUGFS_ATTRIBUTE(psr_residency_fops, psr_read_residency, NULL, "%llu\n"); @@ -3503,6 +3533,8 @@ void connector_debugfs_init(struct amdgpu_dm_connector *connector) debugfs_create_file("replay_capability", 0444, dir, connector, &replay_capability_fops); debugfs_create_file("replay_state", 0444, dir, connector, &replay_state_fops); + debugfs_create_file_unsafe("replay_residency", 0444, dir, + connector, &replay_residency_fops); debugfs_create_file_unsafe("psr_capability", 0444, dir, connector, &psr_capability_fops); debugfs_create_file_unsafe("psr_state", 0444, dir, connector, &psr_fops); debugfs_create_file_unsafe("psr_residency", 0444, dir, |