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drm/amdgpu: add a xgmi supported flag 

Use this to track whether an asic supports xgmi rather than
checking the asic type everywhere.

Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2018-11-30 15:29:43 -05:00
parent e210167522
commit 47622ba033
4 changed files with 7 additions and 3 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
View File

@ -99,6 +99,7 @@ struct amdgpu_xgmi {
unsigned num_physical_nodes;
/* gpu list in the same hive */
struct list_head head;
bool supported;
};
struct amdgpu_gmc {

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

@ -94,9 +94,9 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
int count = 0, ret = -EINVAL;
if ((adev->asic_type < CHIP_VEGA20) ||
(adev->flags & AMD_IS_APU) )
if (!adev->gmc.xgmi.supported)
return 0;
adev->gmc.xgmi.node_id = psp_xgmi_get_node_id(&adev->psp);
adev->gmc.xgmi.hive_id = psp_xgmi_get_hive_id(&adev->psp);

2
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
View File

@ -934,7 +934,7 @@ static int gmc_v9_0_sw_init(void *handle)
}
adev->need_swiotlb = drm_get_max_iomem() > ((u64)1 << dma_bits);
if (adev->asic_type == CHIP_VEGA20) {
if (adev->gmc.xgmi.supported) {
r = gfxhub_v1_1_get_xgmi_info(adev);
if (r)
return r;

3
drivers/gpu/drm/amd/amdgpu/soc15.c
View File

@ -500,6 +500,9 @@ int soc15_set_ip_blocks(struct amdgpu_device *adev)
return -EINVAL;
}
if (adev->asic_type == CHIP_VEGA20)
adev->gmc.xgmi.supported = true;
if (adev->flags & AMD_IS_APU)
adev->nbio_funcs = &nbio_v7_0_funcs;
else if (adev->asic_type == CHIP_VEGA20)