drm/amdgpu: Check num_gfx_rings for gfx v9_0 rb setup.

[ 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>
This commit is contained in:
Candice Li 2022-08-18 10:47:09 +08:00 committed by Greg Kroah-Hartman
parent bca46f2295
commit ae2c6cc8fb

View File

@ -2472,6 +2472,7 @@ static void gfx_v9_0_constants_init(struct amdgpu_device *adev)
gfx_v9_0_tiling_mode_table_init(adev); gfx_v9_0_tiling_mode_table_init(adev);
if (adev->gfx.num_gfx_rings)
gfx_v9_0_setup_rb(adev); gfx_v9_0_setup_rb(adev);
gfx_v9_0_get_cu_info(adev, &adev->gfx.cu_info); gfx_v9_0_get_cu_info(adev, &adev->gfx.cu_info);
adev->gfx.config.db_debug2 = RREG32_SOC15(GC, 0, mmDB_DEBUG2); adev->gfx.config.db_debug2 = RREG32_SOC15(GC, 0, mmDB_DEBUG2);