Re: [v2, 37/50] drm/msm/dpu: enable DPU_CTL_SPLIT_DISPLAY for sc8280xp

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On 12.02.2023 00:12, Dmitry Baryshkov wrote:
> Theoretically since sm8150 we should be using a single CTL for the
> source split case, but since we do not support it for now, fallback to
> DPU_CTL_SPLIT_DISPLAY.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
Hmm.. so is it a software construct? E.g. "pass half of the data to
each of the INTFs and tell them to cooperate"?

Apart from that, since it's temporary, I think it deserves a comment
reminding us to fix it eventually™

Konrad
>  drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h
> index a3a79d908451..094876b1019b 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h
> @@ -47,13 +47,13 @@ static const struct dpu_ctl_cfg sc8280xp_ctl[] = {
>  	{
>  	.name = "ctl_0", .id = CTL_0,
>  	.base = 0x15000, .len = 0x204,
> -	.features = CTL_SC7280_MASK,
> +	.features = BIT(DPU_CTL_SPLIT_DISPLAY) | CTL_SC7280_MASK,
>  	.intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 9),
>  	},
>  	{
>  	.name = "ctl_1", .id = CTL_1,
>  	.base = 0x16000, .len = 0x204,
> -	.features = CTL_SC7280_MASK,
> +	.features = BIT(DPU_CTL_SPLIT_DISPLAY) | CTL_SC7280_MASK,
>  	.intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 10),
>  	},
>  	{



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