diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c | 19 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/soc15.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/soc15.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/soc15_common.h | 10 |
5 files changed, 33 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index e17a3697a23f..4c4ce33c8359 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -574,6 +574,8 @@ struct amdgpu_asic_funcs { /* query video codecs */ int (*query_video_codecs)(struct amdgpu_device *adev, bool encode, const struct amdgpu_video_codecs **codecs); + /* encode "> 32bits" smn addressing */ + u64 (*encode_ext_smn_addressing)(int ext_id); }; /* diff --git a/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c b/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c index 12379c374457..2616bdb40418 100644 --- a/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c +++ b/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c @@ -100,3 +100,22 @@ void aqua_vanjaram_ip_map_init(struct amdgpu_device *adev) adev->ip_map.logical_to_dev_inst = aqua_vanjaram_logical_to_dev_inst; } + +/* Fixed pattern for smn addressing on different AIDs: + * bit[34]: indicate cross AID access + * bit[33:32]: indicate target AID id + * AID id range is 0 ~ 3 as maximum AID number is 4. + */ +u64 aqua_vanjaram_encode_ext_smn_addressing(int ext_id) +{ + u64 ext_offset; + + /* local routing and bit[34:32] will be zeros */ + if (ext_id == 0) + return 0; + + /* Initiated from host, accessing to all non-zero aids are cross traffic */ + ext_offset = ((u64)(ext_id & 0x3) << 32) | (1ULL << 34); + + return ext_offset; +} diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 29d2e08834c7..206013d276c1 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -873,6 +873,7 @@ static const struct amdgpu_asic_funcs aqua_vanjaram_asic_funcs = .supports_baco = &soc15_supports_baco, .pre_asic_init = &soc15_pre_asic_init, .query_video_codecs = &soc15_query_video_codecs, + .encode_ext_smn_addressing = &aqua_vanjaram_encode_ext_smn_addressing, }; static int soc15_common_early_init(void *handle) diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.h b/drivers/gpu/drm/amd/amdgpu/soc15.h index 9cc2dda087c4..dd48db09aa51 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.h +++ b/drivers/gpu/drm/amd/amdgpu/soc15.h @@ -112,6 +112,7 @@ int vega20_reg_base_init(struct amdgpu_device *adev); int arct_reg_base_init(struct amdgpu_device *adev); int aldebaran_reg_base_init(struct amdgpu_device *adev); void aqua_vanjaram_ip_map_init(struct amdgpu_device *adev); +u64 aqua_vanjaram_encode_ext_smn_addressing(int ext_id); void vega10_doorbell_index_init(struct amdgpu_device *adev); void vega20_doorbell_index_init(struct amdgpu_device *adev); diff --git a/drivers/gpu/drm/amd/amdgpu/soc15_common.h b/drivers/gpu/drm/amd/amdgpu/soc15_common.h index 39e4406da4ae..1c9e924b5f8c 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15_common.h +++ b/drivers/gpu/drm/amd/amdgpu/soc15_common.h @@ -188,4 +188,14 @@ #define RREG32_SOC15_OFFSET_RLC(ip, inst, reg, offset) \ __RREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset, AMDGPU_REGS_RLC, ip##_HWIP) +/* inst equals to ext for some IPs */ +#define RREG32_SOC15_EXT(ip, inst, reg, ext) \ + RREG32_PCIE_EXT((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) * 4 \ + + adev->asic_funcs->encode_ext_smn_addressing(ext)) \ + +#define WREG32_SOC15_EXT(ip, inst, reg, ext, value) \ + WREG32_PCIE_EXT((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) * 4 \ + + adev->asic_funcs->encode_ext_smn_addressing(ext), \ + value) \ + #endif |