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drm/amd/swSMU: add callback to set AC/DC power source (v2)

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This is needed to tell the SMU firmware what state is in
in certain cases.  DC mode does not allow overclocking
for example.

v2: split Evan's original patch (Alex)

Bug: https://gitlab.freedesktop.org/drm/amd/issues/1043
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2020-03-20 14:03:25 -04:00 committed by Alex Deucher
parent 77bb2f204f
commit 2c02b38a10
2 changed files with 4 additions and 0 deletions
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1
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
View File

@ -570,6 +570,7 @@ struct pptable_funcs {
int (*override_pcie_parameters)(struct smu_context *smu);
uint32_t (*get_pptable_power_limit)(struct smu_context *smu);
int (*disable_umc_cdr_12gbps_workaround)(struct smu_context *smu);
int (*set_power_source)(struct smu_context *smu, enum smu_power_src_type power_src);
};
int smu_load_microcode(struct smu_context *smu);

3
drivers/gpu/drm/amd/powerplay/smu_internal.h
View File

@ -211,4 +211,7 @@ static inline int smu_send_smc_msg(struct smu_context *smu, enum smu_message_typ
#define smu_disable_umc_cdr_12gbps_workaround(smu) \
((smu)->ppt_funcs->disable_umc_cdr_12gbps_workaround ? (smu)->ppt_funcs->disable_umc_cdr_12gbps_workaround((smu)) : 0)
#define smu_set_power_source(smu, power_src) \
((smu)->ppt_funcs->set_power_source ? (smu)->ppt_funcs->set_power_source((smu), (power_src)) : 0)
#endif