[PATCH] drm/amdgpu: mmVM_L2_CNTL3 register not initialized correctly

jinsdb at 126.com jinsdb at 126.com
Tue Aug 23 06:44:06 UTC 2022


From: Qu Huang <jinsdb at 126.com>

The mmVM_L2_CNTL3 register is not assigned an initial value

Signed-off-by: Qu Huang <jinsdb at 126.com>
---
 drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index 1da2ec692057e..b8a987a032a8e 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -176,6 +176,7 @@ 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,
--
2.31.1



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