This patch adds interface to parse pptable for smu.
It's to parse pptable format and fill PPTable_t smc_pptable to smu_table_context
structure. And read the smc_dpm_table from vbios, then fill it into smc_pptable.
v2: add detailed info to describe this function
Signed-off-by: Huang Rui <ray.hu...@amd.com>
---
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 9 +++++++++
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 4 ++++
2 files changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 931343c..323db7d 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -166,6 +166,15 @@ static int smu_smc_table_hw_init(struct smu_context *smu)
if (ret)
return ret;
+ /*
+ * Parse pptable format and fill PPTable_t smc_pptable to
+ * smu_table_context structure. And read the smc_dpm_table from vbios,
+ * then fill it into smc_pptable.
+ */
+ ret = smu_parse_pptable(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 4015963..fcdbade4 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -42,6 +42,7 @@ struct smu_funcs
int (*read_pptable_from_vbios)(struct smu_context *smu);
int (*get_vbios_bootup_values)(struct smu_context *smu);
int (*check_pptable)(struct smu_context *smu);
+ int (*parse_pptable)(struct smu_context *smu);
};
#define smu_init_microcode(smu) \
@@ -60,6 +61,9 @@ struct smu_funcs
((smu)->funcs->get_vbios_bootup_values ?
(smu)->funcs->get_vbios_bootup_values((smu)) : 0)
#define smu_check_pptable(smu) \
((smu)->funcs->check_pptable ? (smu)->funcs->check_pptable((smu)) : 0)
+#define smu_parse_pptable(smu) \
+ ((smu)->funcs->parse_pptable ? (smu)->funcs->parse_pptable((smu)) : 0)
+
extern const struct amd_ip_funcs smu_ip_funcs;
--
2.7.4
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