diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_kfd.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_kfd.c | 172 |
1 files changed, 169 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kfd.c b/drivers/gpu/drm/radeon/radeon_kfd.c index 3db23007c..e476c331f 100644 --- a/drivers/gpu/drm/radeon/radeon_kfd.c +++ b/drivers/gpu/drm/radeon/radeon_kfd.c @@ -34,6 +34,13 @@ #define CIK_PIPE_PER_MEC (4) +static const uint32_t watchRegs[MAX_WATCH_ADDRESSES * ADDRESS_WATCH_REG_MAX] = { + TCP_WATCH0_ADDR_H, TCP_WATCH0_ADDR_L, TCP_WATCH0_CNTL, + TCP_WATCH1_ADDR_H, TCP_WATCH1_ADDR_L, TCP_WATCH1_CNTL, + TCP_WATCH2_ADDR_H, TCP_WATCH2_ADDR_L, TCP_WATCH2_CNTL, + TCP_WATCH3_ADDR_H, TCP_WATCH3_ADDR_L, TCP_WATCH3_CNTL +}; + struct kgd_mem { struct radeon_bo *bo; uint64_t gpu_addr; @@ -66,7 +73,7 @@ static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid, static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id, uint32_t hpd_size, uint64_t hpd_gpu_addr); - +static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id); static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id, uint32_t queue_id, uint32_t __user *wptr); static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd); @@ -79,6 +86,23 @@ static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type, static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd); static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd, unsigned int timeout); +static int kgd_address_watch_disable(struct kgd_dev *kgd); +static int kgd_address_watch_execute(struct kgd_dev *kgd, + unsigned int watch_point_id, + uint32_t cntl_val, + uint32_t addr_hi, + uint32_t addr_lo); +static int kgd_wave_control_execute(struct kgd_dev *kgd, + uint32_t gfx_index_val, + uint32_t sq_cmd); +static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd, + unsigned int watch_point_id, + unsigned int reg_offset); + +static bool get_atc_vmid_pasid_mapping_valid(struct kgd_dev *kgd, uint8_t vmid); +static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd, + uint8_t vmid); +static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid); static const struct kfd2kgd_calls kfd2kgd = { .init_gtt_mem_allocation = alloc_gtt_mem, @@ -89,12 +113,20 @@ static const struct kfd2kgd_calls kfd2kgd = { .program_sh_mem_settings = kgd_program_sh_mem_settings, .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping, .init_pipeline = kgd_init_pipeline, + .init_interrupts = kgd_init_interrupts, .hqd_load = kgd_hqd_load, .hqd_sdma_load = kgd_hqd_sdma_load, .hqd_is_occupied = kgd_hqd_is_occupied, .hqd_sdma_is_occupied = kgd_hqd_sdma_is_occupied, .hqd_destroy = kgd_hqd_destroy, .hqd_sdma_destroy = kgd_hqd_sdma_destroy, + .address_watch_disable = kgd_address_watch_disable, + .address_watch_execute = kgd_address_watch_execute, + .wave_control_execute = kgd_wave_control_execute, + .address_watch_get_offset = kgd_address_watch_get_offset, + .get_atc_vmid_pasid_mapping_pasid = get_atc_vmid_pasid_mapping_pasid, + .get_atc_vmid_pasid_mapping_valid = get_atc_vmid_pasid_mapping_valid, + .write_vmid_invalidate_request = write_vmid_invalidate_request, .get_fw_version = get_fw_version }; @@ -371,8 +403,8 @@ static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid, * the SW cleared it. * So the protocol is to always wait & clear. */ - uint32_t pasid_mapping = (pasid == 0) ? 0 : - (uint32_t)pasid | ATC_VMID_PASID_MAPPING_VALID; + uint32_t pasid_mapping = (pasid == 0) ? 0 : (uint32_t)pasid | + ATC_VMID_PASID_MAPPING_VALID_MASK; write_register(kgd, ATC_VMID0_PASID_MAPPING + vmid*sizeof(uint32_t), pasid_mapping); @@ -407,6 +439,24 @@ static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id, return 0; } +static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id) +{ + uint32_t mec; + uint32_t pipe; + + mec = (pipe_id / CIK_PIPE_PER_MEC) + 1; + pipe = (pipe_id % CIK_PIPE_PER_MEC); + + lock_srbm(kgd, mec, pipe, 0, 0); + + write_register(kgd, CPC_INT_CNTL, + TIME_STAMP_INT_ENABLE | OPCODE_ERROR_INT_ENABLE); + + unlock_srbm(kgd); + + return 0; +} + static inline uint32_t get_sdma_base_addr(struct cik_sdma_rlc_registers *m) { uint32_t retval; @@ -646,6 +696,122 @@ static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd, return 0; } +static int kgd_address_watch_disable(struct kgd_dev *kgd) +{ + union TCP_WATCH_CNTL_BITS cntl; + unsigned int i; + + cntl.u32All = 0; + + cntl.bitfields.valid = 0; + cntl.bitfields.mask = ADDRESS_WATCH_REG_CNTL_DEFAULT_MASK; + cntl.bitfields.atc = 1; + + /* Turning off this address until we set all the registers */ + for (i = 0; i < MAX_WATCH_ADDRESSES; i++) + write_register(kgd, + watchRegs[i * ADDRESS_WATCH_REG_MAX + + ADDRESS_WATCH_REG_CNTL], + cntl.u32All); + + return 0; +} + +static int kgd_address_watch_execute(struct kgd_dev *kgd, + unsigned int watch_point_id, + uint32_t cntl_val, + uint32_t addr_hi, + uint32_t addr_lo) +{ + union TCP_WATCH_CNTL_BITS cntl; + + cntl.u32All = cntl_val; + + /* Turning off this watch point until we set all the registers */ + cntl.bitfields.valid = 0; + write_register(kgd, + watchRegs[watch_point_id * ADDRESS_WATCH_REG_MAX + + ADDRESS_WATCH_REG_CNTL], + cntl.u32All); + + write_register(kgd, + watchRegs[watch_point_id * ADDRESS_WATCH_REG_MAX + + ADDRESS_WATCH_REG_ADDR_HI], + addr_hi); + + write_register(kgd, + watchRegs[watch_point_id * ADDRESS_WATCH_REG_MAX + + ADDRESS_WATCH_REG_ADDR_LO], + addr_lo); + + /* Enable the watch point */ + cntl.bitfields.valid = 1; + + write_register(kgd, + watchRegs[watch_point_id * ADDRESS_WATCH_REG_MAX + + ADDRESS_WATCH_REG_CNTL], + cntl.u32All); + + return 0; +} + +static int kgd_wave_control_execute(struct kgd_dev *kgd, + uint32_t gfx_index_val, + uint32_t sq_cmd) +{ + struct radeon_device *rdev = get_radeon_device(kgd); + uint32_t data; + + mutex_lock(&rdev->grbm_idx_mutex); + + write_register(kgd, GRBM_GFX_INDEX, gfx_index_val); + write_register(kgd, SQ_CMD, sq_cmd); + + /* Restore the GRBM_GFX_INDEX register */ + + data = INSTANCE_BROADCAST_WRITES | SH_BROADCAST_WRITES | + SE_BROADCAST_WRITES; + + write_register(kgd, GRBM_GFX_INDEX, data); + + mutex_unlock(&rdev->grbm_idx_mutex); + + return 0; +} + +static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd, + unsigned int watch_point_id, + unsigned int reg_offset) +{ + return watchRegs[watch_point_id * ADDRESS_WATCH_REG_MAX + reg_offset]; +} + +static bool get_atc_vmid_pasid_mapping_valid(struct kgd_dev *kgd, uint8_t vmid) +{ + uint32_t reg; + struct radeon_device *rdev = (struct radeon_device *) kgd; + + reg = RREG32(ATC_VMID0_PASID_MAPPING + vmid*4); + return reg & ATC_VMID_PASID_MAPPING_VALID_MASK; +} + +static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd, + uint8_t vmid) +{ + uint32_t reg; + struct radeon_device *rdev = (struct radeon_device *) kgd; + + reg = RREG32(ATC_VMID0_PASID_MAPPING + vmid*4); + return reg & ATC_VMID_PASID_MAPPING_PASID_MASK; +} + +static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid) +{ + struct radeon_device *rdev = (struct radeon_device *) kgd; + + return WREG32(VM_INVALIDATE_REQUEST, 1 << vmid); +} + static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type) { struct radeon_device *rdev = (struct radeon_device *) kgd; |