diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3696-drm-amdgpu-check-mmhub_funcs-pointer-before-refering.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3696-drm-amdgpu-check-mmhub_funcs-pointer-before-refering.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3696-drm-amdgpu-check-mmhub_funcs-pointer-before-refering.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3696-drm-amdgpu-check-mmhub_funcs-pointer-before-refering.patch new file mode 100644 index 00000000..e9a91f4d --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3696-drm-amdgpu-check-mmhub_funcs-pointer-before-refering.patch @@ -0,0 +1,30 @@ +From 422e0ecc4fa87e81e570be45cee5471d1ffaaf00 Mon Sep 17 00:00:00 2001 +From: Hawking Zhang <Hawking.Zhang@amd.com> +Date: Sat, 31 Aug 2019 13:18:40 +0800 +Subject: [PATCH 3696/4256] drm/amdgpu: check mmhub_funcs pointer before + refering to it + +mmhub callback functions are not initialized for all the ASICs + +Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> +Reviewed-by: Tao Zhou <tao.zhou1@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +index baefc8a3a2bb..81352d01fbee 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +@@ -795,7 +795,7 @@ static int gmc_v9_0_ecc_late_init(void *handle) + goto umc_late_fini; + } + +- if (adev->mmhub_funcs->ras_late_init) { ++ if (adev->mmhub_funcs && adev->mmhub_funcs->ras_late_init) { + r = adev->mmhub_funcs->ras_late_init(adev); + if (r) + return r; +-- +2.17.1 + |