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Commit ae2c6cc8 authored by Candice Li's avatar Candice Li Committed by Greg Kroah-Hartman
Browse files

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: 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>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent bca46f22

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

+2 −1
Original line number Diff line number Diff line
@@ -2472,6 +2472,7 @@ 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);