From: Shashank Sharma Date: Fri, 14 Jul 2023 14:15:58 +0000 (+0200) Subject: drm/amdgpu: remove unused functions and variables X-Git-Tag: v6.6-rc1~136^2~7^2~136 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=8da0d694a34815ff8cf6606c0f1f742b3594e9f9;p=thirdparty%2Fkernel%2Flinux.git drm/amdgpu: remove unused functions and variables This patch removes some variables and functions from KFD doorbell handling code, which are no more required since doorbell manager is handling doorbell calculations. Cc: Alex Deucher Cc: Christian Koenig Cc: Felix Kuehling Reviewed-by: Felix Kuehling Signed-off-by: Shashank Sharma Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c index 216553307d3ae..c2e0b79dcc6da 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c @@ -200,38 +200,6 @@ void write_kernel_doorbell64(void __iomem *db, u64 value) } } -unsigned int kfd_get_doorbell_dw_offset_in_bar(struct kfd_dev *kfd, - struct kfd_process_device *pdd, - unsigned int doorbell_id) -{ - /* - * 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. - */ - if (!kfd->shared_resources.enable_mes) - return kfd->doorbell_base_dw_offset + - pdd->doorbell_index - * kfd_doorbell_process_slice(kfd) / sizeof(u32) + - doorbell_id * - kfd->device_info.doorbell_size / sizeof(u32); - else - return amdgpu_mes_get_doorbell_dw_offset_in_bar( - (struct amdgpu_device *)kfd->adev, - pdd->doorbell_index, doorbell_id); -} - -uint64_t kfd_get_number_elems(struct kfd_dev *kfd) -{ - uint64_t num_of_elems = (kfd->shared_resources.doorbell_aperture_size - - kfd->shared_resources.doorbell_start_offset) / - kfd_doorbell_process_slice(kfd) + 1; - - return num_of_elems; - -} - static int init_doorbell_bitmap(struct qcm_process_device *qpd, struct kfd_dev *dev) { diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index b9215a972c8e2..4f07b88aa8a6f 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -323,15 +323,6 @@ struct kfd_dev { struct kfd_device_info device_info; - phys_addr_t doorbell_base; /* Start of actual doorbells used by - * KFD. It is aligned for mapping - * into user mode - */ - 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 */ @@ -340,8 +331,6 @@ struct kfd_dev { const struct kfd2kgd_calls *kfd2kgd; struct mutex doorbell_mutex; - DECLARE_BITMAP(doorbell_available_index, - KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); void *gtt_mem; uint64_t gtt_start_gpu_addr; @@ -801,7 +790,6 @@ struct kfd_process_device { struct attribute attr_evict; struct kobject *kobj_stats; - unsigned int doorbell_index; /* * @cu_occupancy: Reports occupancy of Compute Units (CU) of a process