Commit 46126e6d authored by Huang Rui's avatar Huang Rui Committed by Alex Deucher
Browse files

drm/amd/powerplay: add interface to check pptable (v2) 



This patch adds interface to check pptable function for smu.
It's to check if the format_revision in vbios is up to pptable header version,
and the structure size is not 0.

v2: add detailed info to describe this function

Signed-off-by: default avatarHuang Rui <ray.huang@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a6b35900

drivers/gpu/drm/amd/powerplay/amdgpu_smu.c

+8 −0
Original line number Diff line number Diff line
@@ -145,6 +145,14 @@ static int smu_smc_table_hw_init(struct smu_context *smu) 
	if (ret)

		return ret;



	/*

	 * check if the format_revision in vbios is up to pptable header

	 * version, and the structure size is not 0.

	 */

	ret = smu_check_pptable(smu);

	if (ret)

		return ret;



	return 0;

}

drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h

+3 −0
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ struct smu_funcs 
	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);

	int (*check_pptable)(struct smu_context *smu);

};



#define smu_init_microcode(smu) \
@@ -57,6 +58,8 @@ struct smu_funcs 
	((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)

#define smu_check_pptable(smu) \

	((smu)->funcs->check_pptable ? (smu)->funcs->check_pptable((smu)) : 0)



extern const struct amd_ip_funcs smu_ip_funcs;

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