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drm/amdgpu: Update sdma golden setting for vega20
authorshaoyunl <shaoyun.liu@amd.com>
Fri, 15 Feb 2019 16:05:04 +0000 (11:05 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 19 Feb 2019 20:33:47 +0000 (15:33 -0500)
commit9db97d8aa8f8a518c421196a504dbfc942ef8d40
tree5607853c6e2687aea11046f59d24e8c956258e41
parentd33158530660bc89be3cc870a2152e4e9a76cac7
drm/amdgpu: Update sdma golden setting for vega20

According to hardware engineer, WRITE_BURST_LENGTH [9:8] in register
SDMA0_CHICKEN_BITS need to change to 3 for better performance

Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c