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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0891-drm-amdgpu-add-a-xgmi-supported-flag.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.19.8/0891-drm-amdgpu-add-a-xgmi-supported-flag.patch75
1 files changed, 75 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0891-drm-amdgpu-add-a-xgmi-supported-flag.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0891-drm-amdgpu-add-a-xgmi-supported-flag.patch
new file mode 100644
index 00000000..9dbd6fee
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0891-drm-amdgpu-add-a-xgmi-supported-flag.patch
@@ -0,0 +1,75 @@
+From 76a17c8ade9bc3ca18aeb9d3cffd401363db8dbd Mon Sep 17 00:00:00 2001
+From: Alex Deucher <alexander.deucher@amd.com>
+Date: Fri, 30 Nov 2018 15:29:43 -0500
+Subject: [PATCH 0891/2940] 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>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 1 +
+ drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 4 ++--
+ drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 2 +-
+ drivers/gpu/drm/amd/amdgpu/soc15.c | 3 +++
+ 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 1627cbc93b92..59b7c34a9f92 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 fe1eec6c349c..9c3e3dfec61a 100644
+--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
++++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+@@ -990,7 +990,7 @@ 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 8120f0fb0e8d..864e7db0c4a1 100644
+--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
++++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
+@@ -507,6 +507,9 @@ 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)
+--
+2.17.1
+