From 7c695a2c54b97ac27b20fc0fd17c626af3eee60a Mon Sep 17 00:00:00 2001 From: Lang Yu Date: Fri, 8 Oct 2021 16:46:07 +0800 Subject: [PATCH] drm/amdkfd: Remove cu mask from struct queue_properties(v2) Actually, cu_mask has been copied to mqd memory and does't have to persist in queue_properties. Remove it from queue_properties. And use struct mqd_update_info to store such properties, then pass it to update queue operation. v2: * Rename pqm_update_queue to pqm_update_queue_properties. * Rename struct queue_update_info to struct mqd_update_info. * Rename pqm_set_cu_mask to pqm_update_mqd. Suggested-by: Felix Kuehling Signed-off-by: Lang Yu Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 31 ++++++++++--------- drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c | 1 - .../gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c | 9 +++--- .../gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c | 9 +++--- .../gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c | 9 +++--- .../gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c | 9 +++--- drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 23 +++++++++----- .../amd/amdkfd/kfd_process_queue_manager.c | 20 +++--------- 8 files changed, 57 insertions(+), 54 deletions(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c index 9317a2e238d0..24ebd61395d8 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c @@ -405,7 +405,7 @@ static int kfd_ioctl_update_queue(struct file *filp, struct kfd_process *p, mutex_lock(&p->mutex); - retval = pqm_update_queue(&p->pqm, args->queue_id, &properties); + retval = pqm_update_queue_properties(&p->pqm, args->queue_id, &properties); mutex_unlock(&p->mutex); @@ -418,7 +418,7 @@ static int kfd_ioctl_set_cu_mask(struct file *filp, struct kfd_process *p, int retval; const int max_num_cus = 1024; struct kfd_ioctl_set_cu_mask_args *args = data; - struct queue_properties properties; + struct mqd_update_info minfo = {0}; uint32_t __user *cu_mask_ptr = (uint32_t __user *)args->cu_mask_ptr; size_t cu_mask_size = sizeof(uint32_t) * (args->num_cu_mask / 32); @@ -428,8 +428,8 @@ static int kfd_ioctl_set_cu_mask(struct file *filp, struct kfd_process *p, return -EINVAL; } - properties.cu_mask_count = args->num_cu_mask; - if (properties.cu_mask_count == 0) { + minfo.cu_mask.count = args->num_cu_mask; + if (minfo.cu_mask.count == 0) { pr_debug("CU mask cannot be 0"); return -EINVAL; } @@ -438,32 +438,33 @@ static int kfd_ioctl_set_cu_mask(struct file *filp, struct kfd_process *p, * limit of max_num_cus bits. We can then just drop any CU mask bits * past max_num_cus bits and just use the first max_num_cus bits. */ - if (properties.cu_mask_count > max_num_cus) { + if (minfo.cu_mask.count > max_num_cus) { pr_debug("CU mask cannot be greater than 1024 bits"); - properties.cu_mask_count = max_num_cus; + minfo.cu_mask.count = max_num_cus; cu_mask_size = sizeof(uint32_t) * (max_num_cus/32); } - properties.cu_mask = kzalloc(cu_mask_size, GFP_KERNEL); - if (!properties.cu_mask) + minfo.cu_mask.ptr = kzalloc(cu_mask_size, GFP_KERNEL); + if (!minfo.cu_mask.ptr) return -ENOMEM; - retval = copy_from_user(properties.cu_mask, cu_mask_ptr, cu_mask_size); + retval = copy_from_user(minfo.cu_mask.ptr, cu_mask_ptr, cu_mask_size); if (retval) { pr_debug("Could not copy CU mask from userspace"); - kfree(properties.cu_mask); - return -EFAULT; + retval = -EFAULT; + goto out; } + minfo.update_flag = UPDATE_FLAG_CU_MASK; + mutex_lock(&p->mutex); - retval = pqm_set_cu_mask(&p->pqm, args->queue_id, &properties); + retval = pqm_update_mqd(&p->pqm, args->queue_id, &minfo); mutex_unlock(&p->mutex); - if (retval) - kfree(properties.cu_mask); - +out: + kfree(minfo.cu_mask.ptr); return retval; } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c index a2b77d1df854..64b4ac339904 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c @@ -136,7 +136,6 @@ static bool kq_initialize(struct kernel_queue *kq, struct kfd_dev *dev, prop.write_ptr = (uint32_t *) kq->wptr_gpu_addr; prop.eop_ring_buffer_address = kq->eop_gpu_addr; prop.eop_ring_buffer_size = PAGE_SIZE; - prop.cu_mask = NULL; if (init_queue(&kq->queue, &prop) != 0) goto err_init_queue; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c index 00bcaa11ff57..8128f4d312f1 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c @@ -42,16 +42,17 @@ static inline struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd) } static void update_cu_mask(struct mqd_manager *mm, void *mqd, - struct queue_properties *q) + struct mqd_update_info *minfo) { struct cik_mqd *m; uint32_t se_mask[4] = {0}; /* 4 is the max # of SEs */ - if (q->cu_mask_count == 0) + if (!minfo || (minfo->update_flag != UPDATE_FLAG_CU_MASK) || + !minfo->cu_mask.ptr) return; mqd_symmetrically_map_cu_mask(mm, - q->cu_mask, q->cu_mask_count, se_mask); + minfo->cu_mask.ptr, minfo->cu_mask.count, se_mask); m = get_mqd(mqd); m->compute_static_thread_mgmt_se0 = se_mask[0]; @@ -215,7 +216,7 @@ static void __update_mqd(struct mqd_manager *mm, void *mqd, if (q->format == KFD_QUEUE_FORMAT_AQL) m->cp_hqd_pq_control |= NO_UPDATE_RPTR; - update_cu_mask(mm, mqd, q); + update_cu_mask(mm, mqd, minfo); set_priority(m, q); q->is_active = QUEUE_IS_ACTIVE(*q); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c index 7f1101780135..270160fc401b 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c @@ -42,16 +42,17 @@ static inline struct v10_sdma_mqd *get_sdma_mqd(void *mqd) } static void update_cu_mask(struct mqd_manager *mm, void *mqd, - struct queue_properties *q) + struct mqd_update_info *minfo) { struct v10_compute_mqd *m; uint32_t se_mask[4] = {0}; /* 4 is the max # of SEs */ - if (q->cu_mask_count == 0) + if (!minfo || (minfo->update_flag != UPDATE_FLAG_CU_MASK) || + !minfo->cu_mask.ptr) return; mqd_symmetrically_map_cu_mask(mm, - q->cu_mask, q->cu_mask_count, se_mask); + minfo->cu_mask.ptr, minfo->cu_mask.count, se_mask); m = get_mqd(mqd); m->compute_static_thread_mgmt_se0 = se_mask[0]; @@ -219,7 +220,7 @@ static void update_mqd(struct mqd_manager *mm, void *mqd, if (mm->dev->cwsr_enabled) m->cp_hqd_ctx_save_control = 0; - update_cu_mask(mm, mqd, q); + update_cu_mask(mm, mqd, minfo); set_priority(m, q); q->is_active = QUEUE_IS_ACTIVE(*q); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c index 152f29b28a79..4e5932f54b5a 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c @@ -43,16 +43,17 @@ static inline struct v9_sdma_mqd *get_sdma_mqd(void *mqd) } static void update_cu_mask(struct mqd_manager *mm, void *mqd, - struct queue_properties *q) + struct mqd_update_info *minfo) { struct v9_mqd *m; uint32_t se_mask[KFD_MAX_NUM_SE] = {0}; - if (q->cu_mask_count == 0) + if (!minfo || (minfo->update_flag != UPDATE_FLAG_CU_MASK) || + !minfo->cu_mask.ptr) return; mqd_symmetrically_map_cu_mask(mm, - q->cu_mask, q->cu_mask_count, se_mask); + minfo->cu_mask.ptr, minfo->cu_mask.count, se_mask); m = get_mqd(mqd); m->compute_static_thread_mgmt_se0 = se_mask[0]; @@ -270,7 +271,7 @@ static void update_mqd(struct mqd_manager *mm, void *mqd, if (mm->dev->cwsr_enabled && q->ctx_save_restore_area_address) m->cp_hqd_ctx_save_control = 0; - update_cu_mask(mm, mqd, q); + update_cu_mask(mm, mqd, minfo); set_priority(m, q); q->is_active = QUEUE_IS_ACTIVE(*q); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c index 4a8f3a06e6df..cd9220eb8a7a 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c @@ -45,16 +45,17 @@ static inline struct vi_sdma_mqd *get_sdma_mqd(void *mqd) } static void update_cu_mask(struct mqd_manager *mm, void *mqd, - struct queue_properties *q) + struct mqd_update_info *minfo) { struct vi_mqd *m; uint32_t se_mask[4] = {0}; /* 4 is the max # of SEs */ - if (q->cu_mask_count == 0) + if (!minfo || (minfo->update_flag != UPDATE_FLAG_CU_MASK) || + !minfo->cu_mask.ptr) return; mqd_symmetrically_map_cu_mask(mm, - q->cu_mask, q->cu_mask_count, se_mask); + minfo->cu_mask.ptr, minfo->cu_mask.count, se_mask); m = get_mqd(mqd); m->compute_static_thread_mgmt_se0 = se_mask[0]; @@ -230,7 +231,7 @@ static void __update_mqd(struct mqd_manager *mm, void *mqd, atc_bit << CP_HQD_CTX_SAVE_CONTROL__ATC__SHIFT | mtype << CP_HQD_CTX_SAVE_CONTROL__MTYPE__SHIFT; - update_cu_mask(mm, mqd, q); + update_cu_mask(mm, mqd, minfo); set_priority(m, q); q->is_active = QUEUE_IS_ACTIVE(*q); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index d758a57b17e2..4104b167e721 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -472,9 +472,6 @@ struct queue_properties { uint32_t ctl_stack_size; uint64_t tba_addr; uint64_t tma_addr; - /* Relevant for CU */ - uint32_t cu_mask_count; /* Must be a multiple of 32 */ - uint32_t *cu_mask; }; #define QUEUE_IS_ACTIVE(q) ((q).queue_size > 0 && \ @@ -482,7 +479,19 @@ struct queue_properties { (q).queue_percent > 0 && \ !(q).is_evicted) -struct mqd_update_info; +enum mqd_update_flag { + UPDATE_FLAG_CU_MASK = 0, +}; + +struct mqd_update_info { + union { + struct { + uint32_t count; /* Must be a multiple of 32 */ + uint32_t *ptr; + } cu_mask; + }; + enum mqd_update_flag update_flag; +}; /** * struct queue @@ -1036,10 +1045,10 @@ int pqm_create_queue(struct process_queue_manager *pqm, unsigned int *qid, uint32_t *p_doorbell_offset_in_process); int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); -int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, - struct queue_properties *p); -int pqm_set_cu_mask(struct process_queue_manager *pqm, unsigned int qid, +int pqm_update_queue_properties(struct process_queue_manager *pqm, unsigned int qid, struct queue_properties *p); +int pqm_update_mqd(struct process_queue_manager *pqm, unsigned int qid, + struct mqd_update_info *minfo); int pqm_set_gws(struct process_queue_manager *pqm, unsigned int qid, void *gws); struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c index 37529592457d..3627e7ac161b 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c @@ -394,8 +394,6 @@ int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid) pdd->qpd.num_gws = 0; } - kfree(pqn->q->properties.cu_mask); - pqn->q->properties.cu_mask = NULL; uninit_queue(pqn->q); } @@ -411,8 +409,8 @@ err_destroy_queue: return retval; } -int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, - struct queue_properties *p) +int pqm_update_queue_properties(struct process_queue_manager *pqm, + unsigned int qid, struct queue_properties *p) { int retval; struct process_queue_node *pqn; @@ -436,8 +434,8 @@ int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, return 0; } -int pqm_set_cu_mask(struct process_queue_manager *pqm, unsigned int qid, - struct queue_properties *p) +int pqm_update_mqd(struct process_queue_manager *pqm, + unsigned int qid, struct mqd_update_info *minfo) { int retval; struct process_queue_node *pqn; @@ -448,16 +446,8 @@ int pqm_set_cu_mask(struct process_queue_manager *pqm, unsigned int qid, return -EFAULT; } - /* Free the old CU mask memory if it is already allocated, then - * allocate memory for the new CU mask. - */ - kfree(pqn->q->properties.cu_mask); - - pqn->q->properties.cu_mask_count = p->cu_mask_count; - pqn->q->properties.cu_mask = p->cu_mask; - retval = pqn->q->device->dqm->ops.update_queue(pqn->q->device->dqm, - pqn->q, NULL); + pqn->q, minfo); if (retval != 0) return retval; -- 2.20.1