From: Candice Li candice.li@amd.com
stable inclusion from stable-v5.10.143 commit 04102568671ee08d9de6a3e70db34cbd5eaa8228 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I6D0U6
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit c351938350ab9b5e978dede2c321da43de7eb70c ]
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 Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Jialin Zhang zhangjialin11@huawei.com Reviewed-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index c8d1245bfc2b..8ba58b52fa96 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -2574,7 +2574,8 @@ 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);