drm/amd/powerplay: add helper function to get smu firmware & if version (4fde03a7) · Commits · 戴 / test

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

+30 −0

Original line number	Diff line number	Diff line
		@@ -30,6 +30,36 @@
		#include "atom.h"
		#include "amd_pcie.h"

		int smu_get_smc_version(struct smu_context smu, uint32_t if_version, uint32_t *smu_version)
		{
		int ret = 0;

		if (!if_version && !smu_version)
		return -EINVAL;

		if (if_version) {
		ret = smu_send_smc_msg(smu, SMU_MSG_GetDriverIfVersion);
		if (ret)
		return ret;

		ret = smu_read_smc_arg(smu, if_version);
		if (ret)
		return ret;
		}

		if (smu_version) {
		ret = smu_send_smc_msg(smu, SMU_MSG_GetSmuVersion);
		if (ret)
		return ret;

		ret = smu_read_smc_arg(smu, smu_version);
		if (ret)
		return ret;
		}

		return ret;
		}

		int smu_dpm_set_power_gate(struct smu_context *smu, uint32_t block_type,
		bool gate)
		{

+1 −0

Original line number	Diff line number	Diff line
		@@ -767,4 +767,5 @@ extern int smu_dpm_set_power_gate(struct smu_context *smu,uint32_t block_type, b
		extern int smu_handle_task(struct smu_context *smu,
		enum amd_dpm_forced_level level,
		enum amd_pp_task task_id);
		int smu_get_smc_version(struct smu_context smu, uint32_t if_version, uint32_t *smu_version);
		#endif

+15 −8

Original line number	Diff line number	Diff line
		@@ -223,20 +223,27 @@ static int smu_v11_0_check_fw_status(struct smu_context *smu)

		static int smu_v11_0_check_fw_version(struct smu_context *smu)
		{
		uint32_t smu_version = 0xff;
		uint32_t if_version = 0xff, smu_version = 0xff;
		uint16_t smu_major;
		uint8_t smu_minor, smu_debug;
		int ret = 0;

		ret = smu_send_smc_msg(smu, SMU_MSG_GetDriverIfVersion);
		ret = smu_get_smc_version(smu, &if_version, &smu_version);
		if (ret)
		goto err;
		return ret;

		ret = smu_read_smc_arg(smu, &smu_version);
		if (ret)
		goto err;
		smu_major = (smu_version >> 16) & 0xffff;
		smu_minor = (smu_version >> 8) & 0xff;
		smu_debug = (smu_version >> 0) & 0xff;

		pr_info("SMU Driver IF Version = 0x%08x, SMU FW Version = 0x%08x (%d.%d.%d)\n",
		if_version, smu_version, smu_major, smu_minor, smu_debug);

		if (smu_version != smu->smc_if_version)
		if (if_version != smu->smc_if_version) {
		pr_err("SMU driver if version not matched\n");
		ret = -EINVAL;
		err:
		}

		return ret;
		}