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authorJonathan Gray <jsg@cvs.openbsd.org>2022-09-16 02:20:29 +0000
committerJonathan Gray <jsg@cvs.openbsd.org>2022-09-16 02:20:29 +0000
commit7eca707098e42812268da32f7a42aff8112e079b (patch)
treed73fd6a9437d861b3b0c7f2b72c22289982e727c
parent2cfeb77a7f99e7b807669356a330aba43d4ca993 (diff)
drm/amdgpu: Check num_gfx_rings for gfx v9_0 rb setup.
From Candice Li 622a557b28b718d4da92ff3504d83af2310324d2 in linux 5.15.y/5.15.68 c351938350ab9b5e978dede2c321da43de7eb70c in mainline linux
-rw-r--r--sys/dev/pci/drm/amd/amdgpu/gfx_v9_0.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/pci/drm/amd/amdgpu/gfx_v9_0.c b/sys/dev/pci/drm/amd/amdgpu/gfx_v9_0.c
index 54f25062b79..79c15b4ed1b 100644
--- a/sys/dev/pci/drm/amd/amdgpu/gfx_v9_0.c
+++ b/sys/dev/pci/drm/amd/amdgpu/gfx_v9_0.c
@@ -2624,7 +2624,8 @@ static void gfx_v9_0_constants_init(struct amdgpu_device *adev)
gfx_v9_0_tiling_mode_table_init(adev);
- gfx_v9_0_setup_rb(adev);
+ if (adev->gfx.num_gfx_rings)
+ gfx_v9_0_setup_rb(adev);
gfx_v9_0_get_cu_info(adev, &adev->gfx.cu_info);
adev->gfx.config.db_debug2 = RREG32_SOC15(GC, 0, mmDB_DEBUG2);