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>

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 747b6b7a76755469d45931e1f74b4cf8ce459040..5e22b154fff152c851cbd947d9f2cf9c6e8352e6 100644 (file)
--- 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 e7e9fecbb086a09acd5f0cd5b46f3a754a301f11..90e80cd6f0fa8460ba9a5d06e7640011e05875db 100644 (file)
--- 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;