diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2914-drm-amdgpu-skip-pasid-mapping-for-second-mmhub-on-Ar.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2914-drm-amdgpu-skip-pasid-mapping-for-second-mmhub-on-Ar.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2914-drm-amdgpu-skip-pasid-mapping-for-second-mmhub-on-Ar.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2914-drm-amdgpu-skip-pasid-mapping-for-second-mmhub-on-Ar.patch new file mode 100644 index 00000000..381bdd9a --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2914-drm-amdgpu-skip-pasid-mapping-for-second-mmhub-on-Ar.patch @@ -0,0 +1,33 @@ +From d7ec7d30389e8dedec253682bcac65fdd5900ba2 Mon Sep 17 00:00:00 2001 +From: Le Ma <le.ma@amd.com> +Date: Tue, 11 Sep 2018 13:11:28 +0800 +Subject: [PATCH 2914/2940] drm/amdgpu: skip pasid mapping for second mmhub on + Arcturus + +There's no LUT register for second mmhub to convert pasid since it has no ATC. + +Signed-off-by: Le Ma <le.ma@amd.com> +Reviewed-by: Feifei Xu <Feifei.Xu@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +index ebc95c743733..6ff53046fddd 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +@@ -485,6 +485,10 @@ static void gmc_v9_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid, + struct amdgpu_device *adev = ring->adev; + uint32_t reg; + ++ /* Do nothing because there's no lut register for mmhub1. */ ++ if (ring->funcs->vmhub == AMDGPU_MMHUB_1) ++ return; ++ + if (ring->funcs->vmhub == AMDGPU_GFXHUB_0) + reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid; + else +-- +2.17.1 + |