From 7e471e6fbab8a50bb2f5ea5db419b9499f603206 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 1 Feb 2016 11:13:04 -0500 Subject: [PATCH] drm/amdgpu: track whether the asic supports SR-IOV MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Required to make desicions about certain code pathes. Reviewed-by: Monk Liu Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 7 +++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++++ 2 files changed, 11 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 811353c..f2f9b64 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1898,6 +1898,11 @@ void *amdgpu_cgs_create_device(struct amdgpu_device *adev); void amdgpu_cgs_destroy_device(void *cgs_device); +/* GPU virtualization */ +struct amdgpu_virtualization { + bool supports_sr_iov; +}; + /* * Core structure, functions and helpers. */ @@ -2071,6 +2076,8 @@ struct amdgpu_device { /* kernel conext for IB submission */ struct amdgpu_ctx kernel_ctx; + + struct amdgpu_virtualization virtualization; }; bool amdgpu_device_is_px(struct drm_device *dev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 4132e4e..00f3a16 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1500,6 +1500,10 @@ int amdgpu_device_init(struct amdgpu_device *adev, return r; } + /* See if the asic supports SR-IOV */ + adev->virtualization.supports_sr_iov = + amdgpu_atombios_has_gpu_virtualization_table(adev); + /* Post card if necessary */ if (!amdgpu_card_posted(adev)) { if (!adev->bios) { -- 2.7.4