Commit 4bb5fed1 authored by Candice Li's avatar Candice Li Committed by Alex Deucher
Browse files

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



No need to set up rb when no gfx rings.

Signed-off-by: default avatarCandice Li <candice.li@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 9dfa4860

drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c

+2 −1
Original line number Diff line number Diff line
@@ -2597,6 +2597,7 @@ static void gfx_v9_0_constants_init(struct amdgpu_device *adev) 


	gfx_v9_0_tiling_mode_table_init(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);