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drm/amdgpu: Check num_gfx_rings for gfx v9_0 rb setup.
author
Candice Li
<candice.li@amd.com>
Thu, 18 Aug 2022 02:47:09 +0000
(10:47 +0800)
committer
Alex Deucher
<alexander.deucher@amd.com>
Fri, 19 Aug 2022 21:06:29 +0000
(17:06 -0400)
No need to set up rb when no gfx rings.
Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
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diff --git
a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index
c6e0f93
..
fc9c104
100644
(file)
--- a/
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@
-2587,7
+2587,8
@@
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);