From 408adc22d1ae6f3f24f3c28512d97be07e7c5802 Mon Sep 17 00:00:00 2001 From: hersen wu Date: Wed, 10 Apr 2019 16:19:09 -0400 Subject: [PATCH 2506/2940] 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 Reviewed-by: Leo Li Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c index b23333b74f5d..d2642cc52c85 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -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 -- 2.17.1