diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 54 |
1 files changed, 51 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index 5750818db8f6..103e29905b57 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -652,8 +652,31 @@ void *dm_helpers_allocate_gpu_mem( size_t size, long long *addr) { - // TODO - return NULL; + struct amdgpu_device *adev = ctx->driver_context; + struct dal_allocation *da; + u32 domain = (type == DC_MEM_ALLOC_TYPE_GART) ? + AMDGPU_GEM_DOMAIN_GTT : AMDGPU_GEM_DOMAIN_VRAM; + int ret; + + da = kzalloc(sizeof(struct dal_allocation), GFP_KERNEL); + if (!da) + return NULL; + + ret = amdgpu_bo_create_kernel(adev, size, PAGE_SIZE, + domain, &da->bo, + &da->gpu_addr, &da->cpu_ptr); + + *addr = da->gpu_addr; + + if (ret) { + kfree(da); + return NULL; + } + + /* add da to list in dm */ + list_add(&da->list, &adev->dm.da_list); + + return da->cpu_ptr; } void dm_helpers_free_gpu_mem( @@ -661,5 +684,30 @@ void dm_helpers_free_gpu_mem( enum dc_gpu_mem_alloc_type type, void *pvMem) { - // TODO + struct amdgpu_device *adev = ctx->driver_context; + struct dal_allocation *da; + + /* walk the da list in DM */ + list_for_each_entry(da, &adev->dm.da_list, list) { + if (pvMem == da->cpu_ptr) { + amdgpu_bo_free_kernel(&da->bo, &da->gpu_addr, &da->cpu_ptr); + list_del(&da->list); + kfree(da); + break; + } + } +} + +bool dm_helpers_dmub_outbox0_interrupt_control(struct dc_context *ctx, bool enable) +{ + enum dc_irq_source irq_source; + bool ret; + + irq_source = DC_IRQ_SOURCE_DMCUB_OUTBOX0; + + ret = dc_interrupt_set(ctx->dc, irq_source, enable); + + DRM_DEBUG_DRIVER("Dmub trace irq %sabling: r=%d\n", + enable ? "en" : "dis", ret); + return ret; } |