summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-10-16 20:46:20 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-10-16 20:46:20 +0200
commit5f19ca4e014f2bd4088b78f31426f0ba3b8e6a3c (patch)
tree7357ef42d49b5ff46e1f9c7d0f873a3606b612f4 /drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c
parentd712d205210c494c29f33dc1d1f2ce4d7448faa9 (diff)
parent58720809f52779dc0f08e53e54b014209d13eebb (diff)
Merge 6.6-rc6 into char-misc-next
We need the char/misc fixes in here as well, to build on for other changes. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c
index da4be0bbb4466..8eee5d783a92b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c
@@ -142,6 +142,10 @@ int amdgpu_doorbell_create_kernel_doorbells(struct amdgpu_device *adev)
int r;
int size;
+ /* SI HW does not have doorbells, skip allocation */
+ if (adev->doorbell.num_kernel_doorbells == 0)
+ return 0;
+
/* Reserve first num_kernel_doorbells (page-aligned) for kernel ops */
size = ALIGN(adev->doorbell.num_kernel_doorbells * sizeof(u32), PAGE_SIZE);