diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/2572-drm-amd-display-dc-set-num-dwb-1-as-navi10-asic-cap.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/2572-drm-amd-display-dc-set-num-dwb-1-as-navi10-asic-cap.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/2572-drm-amd-display-dc-set-num-dwb-1-as-navi10-asic-cap.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/2572-drm-amd-display-dc-set-num-dwb-1-as-navi10-asic-cap.patch new file mode 100644 index 00000000..1983b9eb --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/2572-drm-amd-display-dc-set-num-dwb-1-as-navi10-asic-cap.patch @@ -0,0 +1,36 @@ +From 32003f343ff8f06c3539f3b921be681146b6aca2 Mon Sep 17 00:00:00 2001 +From: hersen wu <hersenxs.wu@amd.com> +Date: Thu, 23 May 2019 18:49:39 -0400 +Subject: [PATCH 2572/2940] 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 <hersenxs.wu@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +Reviewed-by: Roman Li <Roman.Li@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + 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 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 +-- +2.17.1 + |