diff options
| author | Chuntao Tso <chunttso@amd.com> | 2025-10-31 10:02:51 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-11-11 21:54:15 -0500 |
| commit | f3f48d6ce5089b183fdea025a8a7798a220168f6 (patch) | |
| tree | a833552bf3ebda79b0f3192a81666f5e09f9c2b3 /drivers/gpu/drm/amd/display/modules | |
| parent | 45de10d2d9366e261e29a16a9e543adb98550521 (diff) | |
drm/amd/display: To support Replay frame skip mode
[Why & How]
The change is to optimize the Replay power saving by
reducing the refresh rate with frame skipping mode
Reviewed-by: Robin Chen <robin.chen@amd.com>
Signed-off-by: Chuntao Tso <chunttso@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/power/power_helpers.c | 30 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/power/power_helpers.h | 5 |
2 files changed, 35 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c index 29ccd3532d13..88b5b716a084 100644 --- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c +++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c @@ -975,6 +975,34 @@ bool psr_su_set_dsc_slice_height(struct dc *dc, struct dc_link *link, return true; } +void set_replay_frame_skip_number(struct dc_link *link, + enum replay_coasting_vtotal_type type, + uint32_t coasting_vtotal_refresh_rate_mhz, + uint32_t flicker_free_refresh_rate_mhz, + bool is_defer) +{ + uint32_t *frame_skip_number_array = NULL; + uint32_t frame_skip_number = 0; + + if (link == NULL || flicker_free_refresh_rate_mhz == 0 || coasting_vtotal_refresh_rate_mhz == 0) + return; + + if (is_defer) + frame_skip_number_array = link->replay_settings.defer_frame_skip_number_table; + else + frame_skip_number_array = link->replay_settings.frame_skip_number_table; + + if (frame_skip_number_array == NULL) + return; + + frame_skip_number = coasting_vtotal_refresh_rate_mhz / flicker_free_refresh_rate_mhz; + + if (frame_skip_number >= 1) + frame_skip_number_array[type] = frame_skip_number - 1; + else + frame_skip_number_array[type] = 0; +} + void set_replay_defer_update_coasting_vtotal(struct dc_link *link, enum replay_coasting_vtotal_type type, uint32_t vtotal) @@ -987,6 +1015,8 @@ void update_replay_coasting_vtotal_from_defer(struct dc_link *link, { link->replay_settings.coasting_vtotal_table[type] = link->replay_settings.defer_update_coasting_vtotal_table[type]; + link->replay_settings.frame_skip_number_table[type] = + link->replay_settings.defer_frame_skip_number_table[type]; } void set_replay_coasting_vtotal(struct dc_link *link, diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.h b/drivers/gpu/drm/amd/display/modules/power/power_helpers.h index 391209a3bf29..87d31d9dce5a 100644 --- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.h +++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.h @@ -60,6 +60,11 @@ void set_replay_coasting_vtotal(struct dc_link *link, void set_replay_defer_update_coasting_vtotal(struct dc_link *link, enum replay_coasting_vtotal_type type, uint32_t vtotal); +void set_replay_frame_skip_number(struct dc_link *link, + enum replay_coasting_vtotal_type type, + uint32_t coasting_vtotal_refresh_rate_Mhz, + uint32_t flicker_free_refresh_rate_Mhz, + bool is_defer); void update_replay_coasting_vtotal_from_defer(struct dc_link *link, enum replay_coasting_vtotal_type type); void set_replay_low_rr_full_screen_video_src_vtotal(struct dc_link *link, uint16_t vtotal); |