On 2019-10-21 3:36 p.m., Liu, Zhan wrote:
> [PATCH] drm/amd/display: Change Navi14's DWB flag to 1
>
> [Why]
> DWB (Display Writeback) flag needs to be enabled as 1, or system
> will throw out a few warnings when creating dcn20 resource pool.
> Also, Navi14's dwb setting needs to match Navi10's,
> which has already been set to 1.
>
> [How]
> Change value of num_dwb from 0 to 1.
>
> Signed-off-by: Zhan Liu <zhan.liu@xxxxxxx>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
> ---
> 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 914e378bcda4..d4937c475e7c 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
> @@ -816,7 +816,7 @@ static const struct resource_caps res_cap_nv14 = {
> .num_audio = 6,
> .num_stream_encoder = 5,
> .num_pll = 5,
> - .num_dwb = 0,
> + .num_dwb = 1,
> .num_ddc = 5,
> };
>
> --
> 2.21.0
>
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