[PATCH v7 24/27] drm: sun4i: de33: mixer: add Display Engine 3.3 (DE33) support
Ryan Walklin
ryan at testtoast.com
Sat Feb 22 23:32:46 PST 2025
On Sun, 23 Feb 2025, at 8:15 PM, Jernej Škrabec wrote:
>> + if (mixer->cfg->de_type == sun8i_mixer_de33)
>> + regmap_write(mixer->top_regs, SUN50I_MIXER_GLOBAL_DBUFF,
>> + SUN8I_MIXER_GLOBAL_DBUFF_ENABLE);
>
> This was my mistake. There is no such thing as
> SUN50I_MIXER_GLOBAL_DBUFF in DE33
> anymore. Values are generally applied at vblank time (I think). Above
> write actually
> writes to RCQ register, which is not great. Just drop this code and fix
> condition to !=.
Ah yes, good spotting.
>> +static const struct sun8i_mixer_cfg sun50i_h616_mixer0_cfg = {
>> + .ccsc = CCSC_MIXER0_LAYOUT,
>> + .de_type = sun8i_mixer_de33,
>> + .has_formatter = 1,
>> + .mod_rate = 600000000,
>> + .scaler_mask = 0xf,
>> + .scanline_yuv = 4096,
>> + .ui_num = 3,
>> + .vi_num = 1,
>> + .map = {0, 6, 7, 8},
>> +};
>> +
>> static const struct of_device_id sun8i_mixer_of_table[] = {
>> {
>> .compatible = "allwinner,sun8i-a83t-de2-mixer-0",
>> @@ -832,6 +907,10 @@ static const struct of_device_id sun8i_mixer_of_table[] = {
>> .compatible = "allwinner,sun50i-h6-de3-mixer-0",
>> .data = &sun50i_h6_mixer0_cfg,
>> },
>> + {
>> + .compatible = "allwinner,sun50i-h616-de33-mixer-0",
>> + .data = &sun50i_h616_mixer0_cfg,
>> + },
>
> This should go to separate patch, adding feature (DE33) and adding core support
> are two distinct things.
Thanks, will split those out.
Regards,
Ryan
More information about the linux-arm-kernel
mailing list