drm/amd/display: disable display writeback for navi14

not used.

Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 293268d..b537536 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -702,7 +702,7 @@ static const struct resource_caps res_cap_nv14 = {
                .num_audio = 6,
                .num_stream_encoder = 5,
                .num_pll = 5,
-               .num_dwb = 1,
+               .num_dwb = 0,
                .num_ddc = 5,
 };