Commit 640cd296 authored by Ray Wu's avatar Ray Wu Committed by Alex Deucher
Browse files

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: default avatarChiaHsuan (Tom) Chung <chiahsuan.chung@amd.com>
Signed-off-by: default avatarRay Wu <ray.wu@amd.com>
Signed-off-by: default avatarIvan Lipski <ivan.lipski@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent e3419e1e

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c

+33 −1
Original line number Diff line number Diff line
@@ -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,