Re: [PATCH v3 3/3] drm/panel: introduce ebbg,ft8719 panel

From: Linus Walleij
Date: Tue May 31 2022 - 05:40:34 EST


Hi Joel,

On Mon, May 30, 2022 at 6:08 PM Joel Selvaraj <jo@xxxxxxxxxxx> wrote:

> +#define dsi_dcs_write_seq(dsi, cmd, seq...) do { \

Please name it mipi_dsi_dcs_write_seq() and...

> + static const u8 d[] = { cmd, seq }; \
> + struct device *dev = &dsi->dev; \
> + int ret; \
> + ret = mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d)); \
> + if (ret < 0) { \
> + dev_err_ratelimited(dev, "sending command %#02x failed: %d\n", cmd, ret); \
> + return ret; \
> + } \
> + } while (0)

My suggestion was to add this macro to include/drm/drm_mipi_dsi.h, just patch it
in there under the other mipi_dsi_dcs_* functions.

I think a few other drivers could make good use of this macro.

Yours,
Linus Walleij