diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4573-drm-amdgpu-gds-bo-must-not-be-per-vm-bo.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4573-drm-amdgpu-gds-bo-must-not-be-per-vm-bo.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4573-drm-amdgpu-gds-bo-must-not-be-per-vm-bo.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4573-drm-amdgpu-gds-bo-must-not-be-per-vm-bo.patch new file mode 100644 index 00000000..2d6808b3 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4573-drm-amdgpu-gds-bo-must-not-be-per-vm-bo.patch @@ -0,0 +1,40 @@ +From 5373139da9ccdecada62d15ff90f6b10851f933c Mon Sep 17 00:00:00 2001 +From: Chunming Zhou <david1.zhou@amd.com> +Date: Wed, 30 May 2018 11:12:08 +0800 +Subject: [PATCH 4573/5725] drm/amdgpu: gds bo must not be per-vm-bo +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +In per-vm-bo case, there could be no bo list. +But gds bo created from user space must be passed to bo list. +So adding a check to prevent to creat gds bo as per-vm-bo. + +Change-Id: Idfa58c40447df0db2883413f9f7ccf56b47579f5 +Signed-off-by: Chunming Zhou <david1.zhou@amd.com> +Reviewed-by: Christian König <christian.koenig@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 7 +++++++ + 1 file changed, 7 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +index 275c316..0e022b2 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +@@ -269,6 +269,13 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data, + /* create a gem object to contain this object in */ + if (args->in.domains & (AMDGPU_GEM_DOMAIN_GDS | + AMDGPU_GEM_DOMAIN_GWS | AMDGPU_GEM_DOMAIN_OA)) { ++ if (flags & AMDGPU_GEM_CREATE_VM_ALWAYS_VALID) { ++ /* if gds bo is created from user space, it must be ++ * passed to bo list ++ */ ++ DRM_ERROR("GDS bo cannot be per-vm-bo\n"); ++ return -EINVAL; ++ } + flags |= AMDGPU_GEM_CREATE_NO_CPU_ACCESS; + if (args->in.domains == AMDGPU_GEM_DOMAIN_GDS) + size = size << AMDGPU_GDS_SHIFT; +-- +2.7.4 + |