diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_kfd.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_kfd.c | 46 |
1 files changed, 41 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kfd.c b/drivers/gpu/drm/radeon/radeon_kfd.c index a2ab6dcdf4a2..a2ac8ac0930d 100644 --- a/drivers/gpu/drm/radeon/radeon_kfd.c +++ b/drivers/gpu/drm/radeon/radeon_kfd.c @@ -58,6 +58,10 @@ static uint64_t get_vmem_size(struct kgd_dev *kgd); static uint64_t get_gpu_clock_counter(struct kgd_dev *kgd); static uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd); + +static int alloc_pasid(unsigned int bits); +static void free_pasid(unsigned int pasid); + static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type); /* @@ -75,12 +79,14 @@ 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); + uint32_t queue_id, uint32_t __user *wptr, + uint32_t wptr_shift, uint32_t wptr_mask, + struct mm_struct *mm); static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd); static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address, uint32_t pipe_id, uint32_t queue_id); -static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type, +static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd, uint32_t reset_type, unsigned int timeout, uint32_t pipe_id, uint32_t queue_id); static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd); @@ -110,6 +116,8 @@ static const struct kfd2kgd_calls kfd2kgd = { .get_vmem_size = get_vmem_size, .get_gpu_clock_counter = get_gpu_clock_counter, .get_max_engine_clock_in_mhz = get_max_engine_clock_in_mhz, + .alloc_pasid = alloc_pasid, + .free_pasid = free_pasid, .program_sh_mem_settings = kgd_program_sh_mem_settings, .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping, .init_pipeline = kgd_init_pipeline, @@ -339,6 +347,31 @@ static uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd) return rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk / 100; } +/* + * PASID manager + */ +static DEFINE_IDA(pasid_ida); + +int alloc_pasid(unsigned int bits) +{ + int pasid = -EINVAL; + + for (bits = min(bits, 31U); bits > 0; bits--) { + pasid = ida_simple_get(&pasid_ida, + 1U << (bits - 1), 1U << bits, + GFP_KERNEL); + if (pasid != -ENOSPC) + break; + } + + return pasid; +} + +void free_pasid(unsigned int pasid) +{ + ida_simple_remove(&pasid_ida, pasid); +} + static inline struct radeon_device *get_radeon_device(struct kgd_dev *kgd) { return (struct radeon_device *)kgd; @@ -482,7 +515,9 @@ static inline struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd) } static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id, - uint32_t queue_id, uint32_t __user *wptr) + uint32_t queue_id, uint32_t __user *wptr, + uint32_t wptr_shift, uint32_t wptr_mask, + struct mm_struct *mm) { uint32_t wptr_shadow, is_wptr_shadow_valid; struct cik_mqd *m; @@ -636,7 +671,7 @@ static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd) return false; } -static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type, +static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd, uint32_t reset_type, unsigned int timeout, uint32_t pipe_id, uint32_t queue_id) { @@ -785,7 +820,8 @@ 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]; + return watchRegs[watch_point_id * ADDRESS_WATCH_REG_MAX + reg_offset] + / 4; } static bool get_atc_vmid_pasid_mapping_valid(struct kgd_dev *kgd, uint8_t vmid) |