diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 9 |
3 files changed, 13 insertions, 12 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c index 984c2f2b24b6..b42f34ef2b5c 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -170,7 +170,7 @@ static int allocate_doorbell(struct qcm_process_device *qpd, struct queue *q) } q->properties.doorbell_off = - kfd_doorbell_id_to_offset(dev, q->process, + kfd_get_doorbell_dw_offset_in_bar(dev, q->process, q->doorbell_id); return 0; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c index ebe79bf00145..8e0c00b9555e 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c @@ -91,7 +91,7 @@ int kfd_doorbell_init(struct kfd_dev *kfd) kfd->doorbell_base = kfd->shared_resources.doorbell_physical_address + doorbell_start_offset; - kfd->doorbell_id_offset = doorbell_start_offset / sizeof(u32); + kfd->doorbell_base_dw_offset = doorbell_start_offset / sizeof(u32); kfd->doorbell_kernel_ptr = ioremap(kfd->doorbell_base, kfd_doorbell_process_slice(kfd)); @@ -103,8 +103,8 @@ int kfd_doorbell_init(struct kfd_dev *kfd) pr_debug("doorbell base == 0x%08lX\n", (uintptr_t)kfd->doorbell_base); - pr_debug("doorbell_id_offset == 0x%08lX\n", - kfd->doorbell_id_offset); + pr_debug("doorbell_base_dw_offset == 0x%08lX\n", + kfd->doorbell_base_dw_offset); pr_debug("doorbell_process_limit == 0x%08lX\n", doorbell_process_limit); @@ -185,7 +185,7 @@ void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, * Calculating the kernel doorbell offset using the first * doorbell page. */ - *doorbell_off = kfd->doorbell_id_offset + inx; + *doorbell_off = kfd->doorbell_base_dw_offset + inx; pr_debug("Get kernel queue doorbell\n" " doorbell offset == 0x%08X\n" @@ -225,17 +225,17 @@ void write_kernel_doorbell64(void __iomem *db, u64 value) } } -unsigned int kfd_doorbell_id_to_offset(struct kfd_dev *kfd, +unsigned int kfd_get_doorbell_dw_offset_in_bar(struct kfd_dev *kfd, struct kfd_process *process, unsigned int doorbell_id) { /* - * doorbell_id_offset accounts for doorbells taken by KGD. + * doorbell_base_dw_offset accounts for doorbells taken by KGD. * index * kfd_doorbell_process_slice/sizeof(u32) adjusts to * the process's doorbells. The offset returned is in dword * units regardless of the ASIC-dependent doorbell size. */ - return kfd->doorbell_id_offset + + return kfd->doorbell_base_dw_offset + process->doorbell_index * kfd_doorbell_process_slice(kfd) / sizeof(u32) + doorbell_id * kfd->device_info->doorbell_size / sizeof(u32); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index 3f7c3d651a52..603d793a8f56 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -235,9 +235,10 @@ struct kfd_dev { * KFD. It is aligned for mapping * into user mode */ - size_t doorbell_id_offset; /* Doorbell offset (from KFD doorbell - * to HW doorbell, GFX reserved some - * at the start) + size_t doorbell_base_dw_offset; /* Offset from the start of the PCI + * doorbell BAR to the first KFD + * doorbell in dwords. GFX reserves + * the segment before this offset. */ u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells * page used by kernel queue @@ -815,7 +816,7 @@ void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); u32 read_kernel_doorbell(u32 __iomem *db); void write_kernel_doorbell(void __iomem *db, u32 value); void write_kernel_doorbell64(void __iomem *db, u64 value); -unsigned int kfd_doorbell_id_to_offset(struct kfd_dev *kfd, +unsigned int kfd_get_doorbell_dw_offset_in_bar(struct kfd_dev *kfd, struct kfd_process *process, unsigned int doorbell_id); phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, |