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drm/amd/display: Add Replay residency in debugfs

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[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>
This commit is contained in:
Ray Wu
2025-06-11 14:02:25 +08:00
committed by Alex Deucher
parent e3419e1e44
commit 640cd296f5
1 changed files with 33 additions and 1 deletions
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34
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
View File

@@ -3106,6 +3106,35 @@ static int replay_get_state(void *data, u64 *val)
return 0;
}
/*
* 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
*/
@@ -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,