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drm/amdgpu: track whether the asic supports SR-IOV 

Required to make desicions about certain code pathes.

Reviewed-by: Monk Liu <monk.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-02-01 11:13:04 -05:00
parent e74adf2039
commit 7e471e6fba
2 changed files with 11 additions and 0 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -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);

4
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View File

@ -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) {