[PATCH 2/3] drm/msm/dpu: fix maxlinewidth for writeback block

[Dmitry Baryshkov]

On 14/06/2022 22:32, Abhinav Kumar wrote:
> Writeback block for sm8250 was using the default maxlinewidth
> of 2048. But this is not right as it supports upto 4096.
> 
> This should have no effect on most resolutions as we are
> still limiting upto maxlinewidth of SSPP for adding the modes.
> 
> Fix the maxlinewidth for writeback block on sm8250.
> 
> Fixes: 53324b99bd7b ("add writeback blocks to the sm8250 DPU catalog")
> Signed-off-by: Abhinav Kumar <quic_abhinavk at quicinc.com>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>


> ---
>   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> index 400ebceb56bb..dd7537e32f88 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> @@ -1285,7 +1285,7 @@ static const struct dpu_intf_cfg qcm2290_intf[] = {
>    * Writeback blocks config
>    *************************************************************/
>   #define WB_BLK(_name, _id, _base, _features, _clk_ctrl, \
> -		__xin_id, vbif_id, _reg, _wb_done_bit) \
> +		__xin_id, vbif_id, _reg, _max_linewidth, _wb_done_bit) \
>   	{ \
>   	.name = _name, .id = _id, \
>   	.base = _base, .len = 0x2c8, \
> @@ -1295,13 +1295,13 @@ static const struct dpu_intf_cfg qcm2290_intf[] = {
>   	.clk_ctrl = _clk_ctrl, \
>   	.xin_id = __xin_id, \
>   	.vbif_idx = vbif_id, \
> -	.maxlinewidth = DEFAULT_DPU_LINE_WIDTH, \
> +	.maxlinewidth = _max_linewidth, \
>   	.intr_wb_done = DPU_IRQ_IDX(_reg, _wb_done_bit) \
>   	}
>   
>   static const struct dpu_wb_cfg sm8250_wb[] = {
>   	WB_BLK("wb_2", WB_2, 0x65000, WB_SM8250_MASK, DPU_CLK_CTRL_WB2, 6,
> -			VBIF_RT, MDP_SSPP_TOP0_INTR, 4),
> +			VBIF_RT, MDP_SSPP_TOP0_INTR, 4096, 4),
>   };
>   
>   /*************************************************************


-- 
With best wishes
Dmitry