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authorAlex Deucher <alexander.deucher@amd.com>2018-11-30 15:29:43 -0500
committerAlex Deucher <alexander.deucher@amd.com>2018-12-03 11:14:39 -0500
commit47622ba033d6da529ff37d7e5238359a699496ab (patch)
tree4f8286bd6887cd152d5e32015bcc55358bfbcc96 /drivers/gpu
parente2101675225fa45cf6994916c2051c5167ded3e2 (diff)
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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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/soc15.c3
4 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
index 8c57924c075f..81e6070d255b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
@@ -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 {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
index fb37e69f1bba..f8c86d0593dd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
@@ -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);
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 3a4e5d8d5162..ed3145b2a596 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -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;
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index b318950ebbaa..f2cd87dc365a 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -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)