From: Tao Zhou Date: Fri, 9 Aug 2019 07:57:50 +0000 (+0800) Subject: drm/amdgpu: implement UMC 64 bits REG operations X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=dd21a572c9068e9a59b46dea67e8a65a44aee90b;p=openwrt%2Fstaging%2Fblogic.git drm/amdgpu: implement UMC 64 bits REG operations implement 64 bits operations via 32 bits interface v2: make use of lower_32_bits() and upper_32_bits() macros Reviewed-by: Christian König Reviewed-by: Hawking Zhang Signed-off-by: Tao Zhou Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.h index 9efdd66279e5..975afa04df09 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.h @@ -21,6 +21,15 @@ #ifndef __AMDGPU_UMC_H__ #define __AMDGPU_UMC_H__ +/* implement 64 bits REG operations via 32 bits interface */ +#define RREG64_UMC(reg) (RREG32(reg) | \ + ((uint64_t)RREG32((reg) + 1) << 32)) +#define WREG64_UMC(reg, v) \ + do { \ + WREG32((reg), lower_32_bits(v)); \ + WREG32((reg) + 1, upper_32_bits(v)); \ + } while (0) + /* * void (*func)(struct amdgpu_device *adev, struct ras_err_data *err_data, * uint32_t umc_reg_offset, uint32_t channel_index) diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c b/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c index 64df37b860dd..8502e736f721 100644 --- a/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c +++ b/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c @@ -116,7 +116,7 @@ static void umc_v6_1_query_correctable_error_count(struct amdgpu_device *adev, /* check for SRAM correctable error MCUMC_STATUS is a 64 bit register */ - mc_umc_status = RREG64(mc_umc_status_addr + umc_reg_offset); + mc_umc_status = RREG64_UMC(mc_umc_status_addr + umc_reg_offset); if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, ErrorCodeExt) == 6 && REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 && REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, CECC) == 1) @@ -134,7 +134,7 @@ static void umc_v6_1_querry_uncorrectable_error_count(struct amdgpu_device *adev SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_STATUST0); /* check the MCUMC_STATUS */ - mc_umc_status = RREG64(mc_umc_status_addr + umc_reg_offset); + mc_umc_status = RREG64_UMC(mc_umc_status_addr + umc_reg_offset); if ((REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1) && (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Deferred) == 1 || REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1 || @@ -173,11 +173,11 @@ static void umc_v6_1_query_error_address(struct amdgpu_device *adev, /* skip error address process if -ENOMEM */ if (!err_data->err_addr) { /* clear umc status */ - WREG64(mc_umc_status_addr + umc_reg_offset, 0x0ULL); + WREG64_UMC(mc_umc_status_addr + umc_reg_offset, 0x0ULL); return; } - mc_umc_status = RREG64(mc_umc_status_addr + umc_reg_offset); + mc_umc_status = RREG64_UMC(mc_umc_status_addr + umc_reg_offset); /* calculate error address if ue/ce error is detected */ if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 && @@ -200,7 +200,7 @@ static void umc_v6_1_query_error_address(struct amdgpu_device *adev, } /* clear umc status */ - WREG64(mc_umc_status_addr + umc_reg_offset, 0x0ULL); + WREG64_UMC(mc_umc_status_addr + umc_reg_offset, 0x0ULL); } static void umc_v6_1_query_ras_error_address(struct amdgpu_device *adev,