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| author | Huang Rui | 2018-12-04 15:00:22 +0100 |
|---|---|---|
| committer | Alex Deucher | 2019-03-19 21:03:54 +0100 |
| commit | a7ebb6d2fde4d478f48036aaa92859eff36271ea (patch) | |
| tree | e57f495ae47cfa98ac7cc665dbaa8349c41b8294 /drivers/gpu/drm/amd | |
| parent | drm/amd/powerplay: add interface to write pptable (v2) (diff) | |
| download | kernel-qcow2-linux-a7ebb6d2fde4d478f48036aaa92859eff36271ea.tar.gz kernel-qcow2-linux-a7ebb6d2fde4d478f48036aaa92859eff36271ea.tar.xz kernel-qcow2-linux-a7ebb6d2fde4d478f48036aaa92859eff36271ea.zip | |
drm/amd/powerplay: add interface to set min dcef deep sleep (v2)
This patch adds interface to set min dcef deep sleep for smu.
It's to set min deep sleep dce fclk with bootup value from vbios via
SetMinDeepSleepDcefclk MSG.
v2: add detailed info to describe this function
Signed-off-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index 747b6b7a7675..5e22b154fff1 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -200,6 +200,14 @@ static int smu_smc_table_hw_init(struct smu_context *smu) if (ret) return ret; + /* + * Set min deep sleep dce fclk with bootup value from vbios via + * SetMinDeepSleepDcefclk MSG. + */ + ret = smu_set_min_dcef_deep_sleep(smu); + if (ret) + return ret; + return 0; } diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index e7e9fecbb086..90e80cd6f0fa 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -46,6 +46,7 @@ struct smu_funcs int (*populate_smc_pptable)(struct smu_context *smu); int (*check_fw_version)(struct smu_context *smu); int (*write_pptable)(struct smu_context *smu); + int (*set_min_dcef_deep_sleep)(struct smu_context *smu); }; #define smu_init_microcode(smu) \ @@ -72,6 +73,8 @@ struct smu_funcs ((smu)->funcs->check_fw_version ? (smu)->funcs->check_fw_version((smu)) : 0) #define smu_write_pptable(smu) \ ((smu)->funcs->write_pptable ? (smu)->funcs->write_pptable((smu)) : 0) +#define smu_set_min_dcef_deep_sleep(smu) \ + ((smu)->funcs->set_min_dcef_deep_sleep ? (smu)->funcs->set_min_dcef_deep_sleep((smu)) : 0) extern const struct amd_ip_funcs smu_ip_funcs; |