From: hersen wu Date: Thu, 23 May 2019 22:49:39 +0000 (-0400) Subject: drm/amd/display/dc: set num-dwb = 1 as navi10 asic cap X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=9cbee6eff8f6bb8bcc16609887c91fbbd4cb0e62;p=uclinux-h8%2Flinux.git drm/amd/display/dc: set num-dwb = 1 as navi10 asic cap during navi10 bring up, dwb causes system hang. to continue debug major issue, disable dwb by set num-dwb = 0. the hang issue is not reproduced now by enable num-dwb =1. dc source is shared by all os. win needs num-dwb = 1. Signed-off-by: hersen wu Acked-by: Alex Deucher Reviewed-by: Roman Li Signed-off-by: Alex Deucher --- 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 6d9fd93ece85..c5ac25980f19 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -661,7 +661,7 @@ static const struct resource_caps res_cap_nv10 = { .num_audio = 7, .num_stream_encoder = 6, .num_pll = 6, - .num_dwb = 0, + .num_dwb = 1, .num_ddc = 6, .num_vmid = 16, #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT