From a77b9fdf9aca3d9d8955487e95cd1e884b45fe1a Mon Sep 17 00:00:00 2001 From: Leo Liu Date: Fri, 24 May 2019 14:07:41 -0400 Subject: drm/amdgpu/VCN: add buffer for indirect SRAM usage This will be used later for indirect SRAM mode Signed-off-by: Leo Liu Reviewed-by: James Zhu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c index d0b95e58959a..7621077378dd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c @@ -137,6 +137,16 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev) return r; } + if (adev->vcn.indirect_sram) { + r = amdgpu_bo_create_kernel(adev, 64 * 2 * 4, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.dpg_sram_bo, + &adev->vcn.dpg_sram_gpu_addr, &adev->vcn.dpg_sram_cpu_addr); + if (r) { + dev_err(adev->dev, "(%d) failed to allocate DPG bo\n", r); + return r; + } + } + return 0; } @@ -146,6 +156,12 @@ int amdgpu_vcn_sw_fini(struct amdgpu_device *adev) kvfree(adev->vcn.saved_bo); + if (adev->vcn.indirect_sram) { + amdgpu_bo_free_kernel(&adev->vcn.dpg_sram_bo, + &adev->vcn.dpg_sram_gpu_addr, + (void **)&adev->vcn.dpg_sram_cpu_addr); + } + amdgpu_bo_free_kernel(&adev->vcn.vcpu_bo, &adev->vcn.gpu_addr, (void **)&adev->vcn.cpu_addr); -- cgit v1.2.3