diff options
author | Sean Paul <seanpaul@chromium.org> | 2017-06-27 16:18:17 +0300 |
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committer | Sean Paul <seanpaul@chromium.org> | 2017-06-27 16:18:17 +0300 |
commit | b740e76936c14354a9c5676a3eed839ea8472c41 (patch) | |
tree | dd0b74f64007dba28fcf12595af893e367d307ff /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | |
parent | 7141fd3e5ba90d09d2138ff1bbefd7cc43a82e94 (diff) | |
parent | 6d61e70ccc21606ffb8a0a03bd3aba24f659502b (diff) | |
download | linux-b740e76936c14354a9c5676a3eed839ea8472c41.tar.xz |
Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
Required for Daniel's drm_vblank_cleanup cleanup
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 101 |
1 files changed, 63 insertions, 38 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index dba8a5b25e66..5f8ada1d872b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -24,6 +24,7 @@ #include "amd_shared.h" #include <drm/drmP.h> #include "amdgpu.h" +#include "amdgpu_gfx.h" #include <linux/module.h> const struct kfd2kgd_calls *kfd2kgd; @@ -60,9 +61,9 @@ int amdgpu_amdkfd_init(void) return ret; } -bool amdgpu_amdkfd_load_interface(struct amdgpu_device *rdev) +bool amdgpu_amdkfd_load_interface(struct amdgpu_device *adev) { - switch (rdev->asic_type) { + switch (adev->asic_type) { #ifdef CONFIG_DRM_AMDGPU_CIK case CHIP_KAVERI: kfd2kgd = amdgpu_amdkfd_gfx_7_get_functions(); @@ -86,59 +87,83 @@ void amdgpu_amdkfd_fini(void) } } -void amdgpu_amdkfd_device_probe(struct amdgpu_device *rdev) +void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev) { if (kgd2kfd) - rdev->kfd = kgd2kfd->probe((struct kgd_dev *)rdev, - rdev->pdev, kfd2kgd); + adev->kfd = kgd2kfd->probe((struct kgd_dev *)adev, + adev->pdev, kfd2kgd); } -void amdgpu_amdkfd_device_init(struct amdgpu_device *rdev) +void amdgpu_amdkfd_device_init(struct amdgpu_device *adev) { - if (rdev->kfd) { + int i; + int last_valid_bit; + if (adev->kfd) { struct kgd2kfd_shared_resources gpu_resources = { .compute_vmid_bitmap = 0xFF00, - - .first_compute_pipe = 1, - .compute_pipe_count = 4 - 1, + .num_mec = adev->gfx.mec.num_mec, + .num_pipe_per_mec = adev->gfx.mec.num_pipe_per_mec, + .num_queue_per_pipe = adev->gfx.mec.num_queue_per_pipe }; - amdgpu_doorbell_get_kfd_info(rdev, + /* this is going to have a few of the MSBs set that we need to + * clear */ + bitmap_complement(gpu_resources.queue_bitmap, + adev->gfx.mec.queue_bitmap, + KGD_MAX_QUEUES); + + /* remove the KIQ bit as well */ + if (adev->gfx.kiq.ring.ready) + clear_bit(amdgpu_gfx_queue_to_bit(adev, + adev->gfx.kiq.ring.me - 1, + adev->gfx.kiq.ring.pipe, + adev->gfx.kiq.ring.queue), + gpu_resources.queue_bitmap); + + /* According to linux/bitmap.h we shouldn't use bitmap_clear if + * nbits is not compile time constant */ + last_valid_bit = adev->gfx.mec.num_mec + * adev->gfx.mec.num_pipe_per_mec + * adev->gfx.mec.num_queue_per_pipe; + for (i = last_valid_bit; i < KGD_MAX_QUEUES; ++i) + clear_bit(i, gpu_resources.queue_bitmap); + + amdgpu_doorbell_get_kfd_info(adev, &gpu_resources.doorbell_physical_address, &gpu_resources.doorbell_aperture_size, &gpu_resources.doorbell_start_offset); - kgd2kfd->device_init(rdev->kfd, &gpu_resources); + kgd2kfd->device_init(adev->kfd, &gpu_resources); } } -void amdgpu_amdkfd_device_fini(struct amdgpu_device *rdev) +void amdgpu_amdkfd_device_fini(struct amdgpu_device *adev) { - if (rdev->kfd) { - kgd2kfd->device_exit(rdev->kfd); - rdev->kfd = NULL; + if (adev->kfd) { + kgd2kfd->device_exit(adev->kfd); + adev->kfd = NULL; } } -void amdgpu_amdkfd_interrupt(struct amdgpu_device *rdev, +void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev, const void *ih_ring_entry) { - if (rdev->kfd) - kgd2kfd->interrupt(rdev->kfd, ih_ring_entry); + if (adev->kfd) + kgd2kfd->interrupt(adev->kfd, ih_ring_entry); } -void amdgpu_amdkfd_suspend(struct amdgpu_device *rdev) +void amdgpu_amdkfd_suspend(struct amdgpu_device *adev) { - if (rdev->kfd) - kgd2kfd->suspend(rdev->kfd); + if (adev->kfd) + kgd2kfd->suspend(adev->kfd); } -int amdgpu_amdkfd_resume(struct amdgpu_device *rdev) +int amdgpu_amdkfd_resume(struct amdgpu_device *adev) { int r = 0; - if (rdev->kfd) - r = kgd2kfd->resume(rdev->kfd); + if (adev->kfd) + r = kgd2kfd->resume(adev->kfd); return r; } @@ -147,7 +172,7 @@ int alloc_gtt_mem(struct kgd_dev *kgd, size_t size, void **mem_obj, uint64_t *gpu_addr, void **cpu_ptr) { - struct amdgpu_device *rdev = (struct amdgpu_device *)kgd; + struct amdgpu_device *adev = (struct amdgpu_device *)kgd; struct kgd_mem **mem = (struct kgd_mem **) mem_obj; int r; @@ -159,10 +184,10 @@ int alloc_gtt_mem(struct kgd_dev *kgd, size_t size, if ((*mem) == NULL) return -ENOMEM; - r = amdgpu_bo_create(rdev, size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_GTT, + r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_GTT, AMDGPU_GEM_CREATE_CPU_GTT_USWC, NULL, NULL, &(*mem)->bo); if (r) { - dev_err(rdev->dev, + dev_err(adev->dev, "failed to allocate BO for amdkfd (%d)\n", r); return r; } @@ -170,21 +195,21 @@ int alloc_gtt_mem(struct kgd_dev *kgd, size_t size, /* map the buffer */ r = amdgpu_bo_reserve((*mem)->bo, true); if (r) { - dev_err(rdev->dev, "(%d) failed to reserve bo for amdkfd\n", r); + dev_err(adev->dev, "(%d) failed to reserve bo for amdkfd\n", r); goto allocate_mem_reserve_bo_failed; } r = amdgpu_bo_pin((*mem)->bo, AMDGPU_GEM_DOMAIN_GTT, &(*mem)->gpu_addr); if (r) { - dev_err(rdev->dev, "(%d) failed to pin bo for amdkfd\n", r); + dev_err(adev->dev, "(%d) failed to pin bo for amdkfd\n", r); goto allocate_mem_pin_bo_failed; } *gpu_addr = (*mem)->gpu_addr; r = amdgpu_bo_kmap((*mem)->bo, &(*mem)->cpu_ptr); if (r) { - dev_err(rdev->dev, + dev_err(adev->dev, "(%d) failed to map bo to kernel for amdkfd\n", r); goto allocate_mem_kmap_bo_failed; } @@ -220,27 +245,27 @@ void free_gtt_mem(struct kgd_dev *kgd, void *mem_obj) uint64_t get_vmem_size(struct kgd_dev *kgd) { - struct amdgpu_device *rdev = + struct amdgpu_device *adev = (struct amdgpu_device *)kgd; BUG_ON(kgd == NULL); - return rdev->mc.real_vram_size; + return adev->mc.real_vram_size; } uint64_t get_gpu_clock_counter(struct kgd_dev *kgd) { - struct amdgpu_device *rdev = (struct amdgpu_device *)kgd; + struct amdgpu_device *adev = (struct amdgpu_device *)kgd; - if (rdev->gfx.funcs->get_gpu_clock_counter) - return rdev->gfx.funcs->get_gpu_clock_counter(rdev); + if (adev->gfx.funcs->get_gpu_clock_counter) + return adev->gfx.funcs->get_gpu_clock_counter(adev); return 0; } uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd) { - struct amdgpu_device *rdev = (struct amdgpu_device *)kgd; + struct amdgpu_device *adev = (struct amdgpu_device *)kgd; /* The sclk is in quantas of 10kHz */ - return rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk / 100; + return adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk / 100; } |