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Commit adbbc1a8 authored by Qu Huang's avatar Qu Huang Committed by Greg Kroah-Hartman
Browse files

drm/amdgpu: mmVM_L2_CNTL3 register not initialized correctly 



[ Upstream commit b8983d42524f10ac6bf35bbce6a7cc8e45f61e04 ]

The mmVM_L2_CNTL3 register is not assigned an initial value

Signed-off-by: default avatarQu Huang <jinsdb@126.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent e1955cdd

drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c

+1 −0
Original line number Diff line number Diff line
@@ -182,6 +182,7 @@ static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev) 
	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);

	WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL2, tmp);



	tmp = mmVM_L2_CNTL3_DEFAULT;

	if (adev->gmc.translate_further) {

		tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12);

		tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,