drm/amd/powerplay: add interface to read pptable from vbios (05cadcd3) · Commits · 戴 / test

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

+18 −1

Original line number	Diff line number	Diff line
		@@ -87,6 +87,17 @@ static int smu_sw_fini(void *handle)
		return 0;
		}

		static int smu_smc_table_hw_init(struct smu_context *smu)
		{
		int ret;

		ret = smu_read_pptable_from_vbios(smu);
		if (ret)
		return ret;

		return 0;
		}

		static int smu_hw_init(void *handle)
		{
		int ret;
		@@ -110,13 +121,19 @@ static int smu_hw_init(void *handle)

		mutex_lock(&smu->mutex);

		/* TODO */
		ret = smu_smc_table_hw_init(smu);
		if (ret)
		goto failed;

		mutex_unlock(&smu->mutex);

		pr_info("SMU is initialized successfully!\n");

		return 0;

		failed:
		mutex_unlock(&smu->mutex);
		return ret;
		}

		static int smu_hw_fini(void *handle)

+3 −0

Original line number	Diff line number	Diff line
		@@ -37,6 +37,7 @@ struct smu_funcs
		int (init_microcode)(struct smu_context smu);
		int (load_microcode)(struct smu_context smu);
		int (check_fw_status)(struct smu_context smu);
		int (read_pptable_from_vbios)(struct smu_context smu);
		};

		#define smu_init_microcode(smu) \
		@@ -45,6 +46,8 @@ struct smu_funcs
		((smu)->funcs->load_microcode ? (smu)->funcs->load_microcode((smu)) : 0)
		#define smu_check_fw_status(smu) \
		((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)

		extern const struct amd_ip_funcs smu_ip_funcs;