diff options
| author | Sung Joon Kim <sungkim@amd.com> | 2023-08-18 12:05:11 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-09-20 16:24:08 -0400 |
| commit | 93a66cef607cfee3953152bfe067038c5b21ea0e (patch) | |
| tree | c1ec8f253e798f9b6a628191b763cf916684dc99 /drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h | |
| parent | dc01c4b79bfe052ef0f9624b5e6ea9b05347f5f0 (diff) | |
drm/amd/display: Add IPS control flag
[why]
Currently, driver is not aware if IPS is supported. After PMFW helps
implement new message query functionality, driver will set IPS
capability flag.
[how]
Create new SMU hook function to query IPS capability. Based on the cap,
set appropriate flags to false for power-gating purposes. This will
avoid keeping SMU busy and offloading tasks to DMUB/driver.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Sung Joon Kim <sungkim@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h index 46312a7b8c2b..cb2dc3f75ae2 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h @@ -261,6 +261,7 @@ struct clk_mgr_funcs { void (*set_low_power_state)(struct clk_mgr *clk_mgr); void (*exit_low_power_state)(struct clk_mgr *clk_mgr); + bool (*is_ips_supported)(struct clk_mgr *clk_mgr); void (*init_clocks)(struct clk_mgr *clk_mgr); |