diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c | 232 |
2 files changed, 236 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h index 5adfe4277641..8be4ab50b171 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h @@ -278,8 +278,12 @@ struct amdgpu_gfx_funcs { (*query_partition_mode)(struct amdgpu_device *adev); enum amdgpu_memory_partition (*query_mem_partition_mode)(struct amdgpu_device *adev); + int (*switch_partition_mode)(struct amdgpu_device *adev, enum amdgpu_gfx_partition mode); + + int (*switch_gfx_partition_mode)(struct amdgpu_device *adev, + int num_xccs_per_xcp); }; struct sq_work { 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 2616bdb40418..4264fbd267ae 100644 --- a/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c +++ b/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c @@ -24,6 +24,12 @@ #include "soc15.h" #include "soc15_common.h" +#include "amdgpu_xcp.h" + +#define XCP_INST_MASK(num_inst, xcp_id) \ + (num_inst ? GENMASK(num_inst - 1, 0) << (xcp_id * num_inst) : 0) + +#define AMDGPU_XCP_OPS_KFD (1 << 0) void aqua_vanjaram_doorbell_index_init(struct amdgpu_device *adev) { @@ -119,3 +125,229 @@ u64 aqua_vanjaram_encode_ext_smn_addressing(int ext_id) return ext_offset; } + +static int aqua_vanjaram_query_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr) +{ + enum amdgpu_gfx_partition mode = AMDGPU_UNKNOWN_COMPUTE_PARTITION_MODE; + struct amdgpu_device *adev = xcp_mgr->adev; + + if (adev->nbio.funcs->get_compute_partition_mode) + mode = adev->nbio.funcs->get_compute_partition_mode(adev); + + return mode; +} + +int __aqua_vanjaram_get_xcc_per_xcp(struct amdgpu_xcp_mgr *xcp_mgr, int mode) +{ + int num_xcc, num_xcc_per_xcp = 0; + + num_xcc = NUM_XCC(xcp_mgr->adev->gfx.xcc_mask); + + switch (mode) { + case AMDGPU_SPX_PARTITION_MODE: + num_xcc_per_xcp = num_xcc; + break; + case AMDGPU_DPX_PARTITION_MODE: + num_xcc_per_xcp = num_xcc / 2; + break; + case AMDGPU_TPX_PARTITION_MODE: + num_xcc_per_xcp = num_xcc / 3; + break; + case AMDGPU_QPX_PARTITION_MODE: + num_xcc_per_xcp = num_xcc / 4; + break; + case AMDGPU_CPX_PARTITION_MODE: + num_xcc_per_xcp = 1; + break; + } + + return num_xcc_per_xcp; +} + +int __aqua_vanjaram_get_xcp_ip_info(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id, + enum AMDGPU_XCP_IP_BLOCK ip_id, + struct amdgpu_xcp_ip *ip) +{ + struct amdgpu_device *adev = xcp_mgr->adev; + int num_xcc_xcp, num_sdma_xcp, num_vcn_xcp; + int num_sdma, num_vcn; + + num_sdma = adev->sdma.num_instances; + num_vcn = adev->vcn.num_vcn_inst; + + switch (xcp_mgr->mode) { + case AMDGPU_SPX_PARTITION_MODE: + num_sdma_xcp = num_sdma; + num_vcn_xcp = num_vcn; + break; + case AMDGPU_DPX_PARTITION_MODE: + num_sdma_xcp = num_sdma / 2; + num_vcn_xcp = num_vcn / 2; + break; + case AMDGPU_TPX_PARTITION_MODE: + num_sdma_xcp = num_sdma / 3; + num_vcn_xcp = num_vcn / 3; + break; + case AMDGPU_QPX_PARTITION_MODE: + num_sdma_xcp = num_sdma / 4; + num_vcn_xcp = num_vcn / 4; + break; + case AMDGPU_CPX_PARTITION_MODE: + num_sdma_xcp = 2; + num_vcn_xcp = num_vcn ? 1 : 0; + break; + default: + return -EINVAL; + } + + num_xcc_xcp = adev->gfx.num_xcc_per_xcp; + + switch (ip_id) { + case AMDGPU_XCP_GFXHUB: + ip->inst_mask = XCP_INST_MASK(num_xcc_xcp, xcp_id); + /* TODO : Assign IP funcs */ + break; + case AMDGPU_XCP_GFX: + ip->inst_mask = XCP_INST_MASK(num_xcc_xcp, xcp_id); + /* TODO : Assign IP funcs */ + break; + case AMDGPU_XCP_SDMA: + ip->inst_mask = XCP_INST_MASK(num_sdma_xcp, xcp_id); + /* TODO : Assign IP funcs */ + break; + case AMDGPU_XCP_VCN: + ip->inst_mask = XCP_INST_MASK(num_vcn_xcp, xcp_id); + /* TODO : Assign IP funcs */ + break; + default: + return -EINVAL; + } + + ip->ip_id = ip_id; + + return 0; +} + +static bool __aqua_vanjaram_is_valid_mode(struct amdgpu_xcp_mgr *xcp_mgr, + enum amdgpu_gfx_partition mode) +{ + int num_xcc, num_xccs_per_xcp; + + num_xcc = NUM_XCC(xcp_mgr->adev->gfx.xcc_mask); + switch (mode) { + case AMDGPU_SPX_PARTITION_MODE: + return num_xcc > 0; + case AMDGPU_DPX_PARTITION_MODE: + return (num_xcc % 4) == 0; + case AMDGPU_TPX_PARTITION_MODE: + return (num_xcc % 3) == 0; + case AMDGPU_QPX_PARTITION_MODE: + num_xccs_per_xcp = num_xcc / 4; + return (num_xccs_per_xcp >= 2); + case AMDGPU_CPX_PARTITION_MODE: + return (num_xcc > 1); + default: + return false; + } + + return false; +} + +static int __aqua_vanjaram_pre_partition_switch(struct amdgpu_xcp_mgr *xcp_mgr, u32 flags) +{ + /* TODO: + * Stop user queues and threads, and make sure GPU is empty of work. + */ + + if (flags & AMDGPU_XCP_OPS_KFD) + amdgpu_amdkfd_device_fini_sw(xcp_mgr->adev); + + return 0; +} + +static int __aqua_vanjaram_post_partition_switch(struct amdgpu_xcp_mgr *xcp_mgr, u32 flags) +{ + int ret = 0; + + if (flags & AMDGPU_XCP_OPS_KFD) { + amdgpu_amdkfd_device_probe(xcp_mgr->adev); + amdgpu_amdkfd_device_init(xcp_mgr->adev); + /* If KFD init failed, return failure */ + if (!xcp_mgr->adev->kfd.init_complete) + ret = -EIO; + } + + return ret; +} + +static int aqua_vanjaram_switch_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr, + int mode, int *num_xcps) +{ + int num_xcc_per_xcp, num_xcc, ret; + struct amdgpu_device *adev; + u32 flags = 0; + + adev = xcp_mgr->adev; + num_xcc = NUM_XCC(adev->gfx.xcc_mask); + + if (!__aqua_vanjaram_is_valid_mode(xcp_mgr, mode)) + return -EINVAL; + + if (adev->kfd.init_complete) + flags |= AMDGPU_XCP_OPS_KFD; + + if (flags & AMDGPU_XCP_OPS_KFD) { + ret = amdgpu_amdkfd_check_and_lock_kfd(adev); + if (ret) + goto out; + } + + ret = __aqua_vanjaram_pre_partition_switch(xcp_mgr, flags); + if (ret) + goto unlock; + + num_xcc_per_xcp = __aqua_vanjaram_get_xcc_per_xcp(xcp_mgr, mode); + if (adev->gfx.funcs->switch_gfx_partition_mode) + adev->gfx.funcs->switch_gfx_partition_mode(xcp_mgr->adev, + num_xcc_per_xcp); + + if (adev->nbio.funcs->set_compute_partition_mode) + adev->nbio.funcs->set_compute_partition_mode(adev, mode); + + ret = __aqua_vanjaram_post_partition_switch(xcp_mgr, flags); +unlock: + if (flags & AMDGPU_XCP_OPS_KFD) + amdgpu_amdkfd_unlock_kfd(adev); +out: + return ret; +} + +int aqua_vanjaram_get_xcp_ip_details(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id, + enum AMDGPU_XCP_IP_BLOCK ip_id, + struct amdgpu_xcp_ip *ip) +{ + if (!ip) + return -EINVAL; + + return __aqua_vanjaram_get_xcp_ip_info(xcp_mgr, xcp_id, ip_id, ip); +} + +struct amdgpu_xcp_mgr_funcs aqua_vanjaram_xcp_funcs = { + .switch_partition_mode = &aqua_vanjaram_switch_partition_mode, + .query_partition_mode = &aqua_vanjaram_query_partition_mode, + .get_ip_details = &aqua_vanjaram_get_xcp_ip_details +}; + +static int aqua_vanjaram_xcp_mgr_init(struct amdgpu_device *adev) +{ + int ret; + + ret = amdgpu_xcp_mgr_init(adev, AMDGPU_UNKNOWN_COMPUTE_PARTITION_MODE, 1, + &aqua_vanjaram_xcp_funcs); + if (ret) + return ret; + + /* TODO: Default memory node affinity init */ + + return ret; +} |