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drm/amd/display: Disable display writeback on Linux for NV10 

[WHY] system crash when initialize dwb
current linux driver does not support dwb.
 disable this feature for now.

[HOW] set num_dwb = 0 to disable dwb for now

Signed-off-by: hersen wu <hersenxs.wu@amd.com>
Reviewed-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
hersen wu 2019-04-10 16:19:09 -04:00 committed by Alex Deucher
parent b37727fb14
commit 0d7bd17c6e
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
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@ -623,7 +623,7 @@ static const struct resource_caps res_cap_nv10 = {
.num_audio = 7,
.num_stream_encoder = 6,
.num_pll = 6,
.num_dwb = 1,
.num_dwb = 0,
.num_ddc = 6,
.num_vmid = 16,
#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT