drm/amdgpu: Fix SDMA hang in prt mode v2

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Fix SDMA hang in prt mode, clear XNACK_WATERMARK in reg SDMA0_UTCL1_WATERMK to avoid the issue

Affected ASICs: VEGA10 VEGA12 RV1 RV2

v2: add reg clear for SDMA1

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Tested-by: Yukun Li <yukun1.li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Tao Zhou 2018-09-07 13:50:31 +08:00 • committed by Alex Deucher

parent 28968375a7

commit 03f67ed10d

1 changed files with 5 additions and 2 deletions

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drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

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