[v2,15/50] drm/msm/dpu: constify DSC data structures

[Konrad Dybcio]

On 12.02.2023 00:12, Dmitry Baryshkov wrote:
> DSC hw catalog data is not supposed to be changed, so mark it as const
> data.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio at linaro.org>

Konrad
>  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 4 ++--
>  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 2 +-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c     | 4 ++--
>  3 files changed, 5 insertions(+), 5 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 2d53ed92de85..54d706dfdbec 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> @@ -1829,14 +1829,14 @@ static const struct dpu_merge_3d_cfg sm8550_merge_3d[] = {
>  	.features = _features, \
>  	}
>  
> -static struct dpu_dsc_cfg sdm845_dsc[] = {
> +static const struct dpu_dsc_cfg sdm845_dsc[] = {
>  	DSC_BLK("dsc_0", DSC_0, 0x80000, 0),
>  	DSC_BLK("dsc_1", DSC_1, 0x80400, 0),
>  	DSC_BLK("dsc_2", DSC_2, 0x80800, 0),
>  	DSC_BLK("dsc_3", DSC_3, 0x80c00, 0),
>  };
>  
> -static struct dpu_dsc_cfg sm8150_dsc[] = {
> +static const struct dpu_dsc_cfg sm8150_dsc[] = {
>  	DSC_BLK("dsc_0", DSC_0, 0x80000, BIT(DPU_DSC_OUTPUT_CTRL)),
>  	DSC_BLK("dsc_1", DSC_1, 0x80400, BIT(DPU_DSC_OUTPUT_CTRL)),
>  	DSC_BLK("dsc_2", DSC_2, 0x80800, BIT(DPU_DSC_OUTPUT_CTRL)),
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
> index e6590302b3bf..a56581b34ddf 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
> @@ -867,7 +867,7 @@ struct dpu_mdss_cfg {
>  	const struct dpu_merge_3d_cfg *merge_3d;
>  
>  	u32 dsc_count;
> -	struct dpu_dsc_cfg *dsc;
> +	const struct dpu_dsc_cfg *dsc;
>  
>  	u32 intf_count;
>  	const struct dpu_intf_cfg *intf;
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c
> index 619926da1441..4e1396575e6a 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c
> @@ -175,7 +175,7 @@ static void dpu_hw_dsc_bind_pingpong_blk(
>  	DPU_REG_WRITE(c, dsc_ctl_offset, mux_cfg);
>  }
>  
> -static struct dpu_dsc_cfg *_dsc_offset(enum dpu_dsc dsc,
> +static const struct dpu_dsc_cfg *_dsc_offset(enum dpu_dsc dsc,
>  				       const struct dpu_mdss_cfg *m,
>  				       void __iomem *addr,
>  				       struct dpu_hw_blk_reg_map *b)
> @@ -207,7 +207,7 @@ struct dpu_hw_dsc *dpu_hw_dsc_init(enum dpu_dsc idx, void __iomem *addr,
>  				   const struct dpu_mdss_cfg *m)
>  {
>  	struct dpu_hw_dsc *c;
> -	struct dpu_dsc_cfg *cfg;
> +	const struct dpu_dsc_cfg *cfg;
>  
>  	c = kzalloc(sizeof(*c), GFP_KERNEL);
>  	if (!c)