Quoting Dmitry Baryshkov (2023-09-05 10:43:49)
> diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c
> index 348c66b14683..fb6ee93b5abc 100644
> --- a/drivers/gpu/drm/msm/msm_mdss.c
> +++ b/drivers/gpu/drm/msm/msm_mdss.c
> @@ -222,6 +222,36 @@ static void msm_mdss_setup_ubwc_dec_40(struct msm_mdss *msm_mdss)
> }
> }
>
> +static struct msm_mdss_data *msm_mdss_generate_mdp5_mdss_data(struct msm_mdss *mdss)
const mdss?
> +{
> + struct msm_mdss_data *data;
> + u32 hw_rev;
> +
> + data = devm_kzalloc(mdss->dev, sizeof(*data), GFP_KERNEL);
> + if (!data)
> + return NULL;
> +
> + hw_rev = readl_relaxed(mdss->mmio + HW_REV) >> 16;
Or like this
hw_rev = upper_16_bits(readl_relaxed(...))
> +
> + if (hw_rev == 0x1007 || /* msm8996 */
> + hw_rev == 0x100e || /* msm8937 */
> + hw_rev == 0x1010 || /* msm8953 */
> + hw_rev == 0x3000 || /* msm8998 */
> + hw_rev == 0x3002 || /* sdm660 */
> + hw_rev == 0x3003) { /* sdm630 */
Can we have #defines for hw_revs and drop the comments?
> + data->ubwc_dec_version = UBWC_1_0;
> + data->ubwc_enc_version = UBWC_1_0;
> + }
> +
> + if (hw_rev == 0x1007 || /* msm8996 */
> + hw_rev == 0x3000) /* msm8998 */
Then we don't have to worry about these two having typos.
> + data->highest_bank_bit = 2;
> + else
> + data->highest_bank_bit = 1;
>
