drm/amd/powerplay: add interface to get vbios bootup values (v2)

This patch adds interface to get vbios bootup values for smu.
It's to get boot_values from vbios to set revision, gfxclk, and etc.

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 10316a2397da55a896dfb4dc1a88ce8e16481fda..d022388f39938ab4ec267789cc69605cd7dc782b 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -140,6 +140,11 @@ static int smu_smc_table_hw_init(struct smu_context *smu)
        if (ret)
                return ret;
 
+       /* get boot_values from vbios to set revision, gfxclk, and etc. */
+       ret = smu_get_vbios_bootup_values(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 d6cb895c6f8880babe6a1f2a2ab5fd0a769f223b..10888c6956aaff4371a2f9bed831e880af942644 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -40,6 +40,7 @@ struct smu_funcs
        int (*load_microcode)(struct smu_context *smu);
        int (*check_fw_status)(struct smu_context *smu);
        int (*read_pptable_from_vbios)(struct smu_context *smu);
+       int (*get_vbios_bootup_values)(struct smu_context *smu);
 };
 
 #define smu_init_microcode(smu) \
@@ -54,6 +55,8 @@ struct smu_funcs
        ((smu)->funcs->check_fw_status ? (smu)->funcs->check_fw_status((smu)) : 0)
 #define smu_read_pptable_from_vbios(smu) \
        ((smu)->funcs->read_pptable_from_vbios ? (smu)->funcs->read_pptable_from_vbios((smu)) : 0)
+#define smu_get_vbios_bootup_values(smu) \
+       ((smu)->funcs->get_vbios_bootup_values ? (smu)->funcs->get_vbios_bootup_values((smu)) : 0)
 
 extern const struct amd_ip_funcs smu_ip_funcs;