[PATCH v4 02/10] drm/bridge: add common api for inno hdmi

Markus Elfring Markus.Elfring at web.de
Sun Jun 23 11:42:36 PDT 2024


…
> Signed-off-by: keith <keith.zhao at starfivetech.com>

Should the personal name be more unique
(according to the Developer's Certificate of Origin)?
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.10-rc4#n438


…
> +++ b/drivers/gpu/drm/bridge/innosilicon/inno-hdmi.c
> @@ -0,0 +1,587 @@
…
> +static int inno_hdmi_i2c_xfer(struct i2c_adapter *adap,
> +			      struct i2c_msg *msgs, int num)
> +{
…
> +	mutex_lock(&i2c->lock);
> +
> +	/* Clear the EDID interrupt flag and unmute the interrupt */
…
> +	hdmi_writeb(hdmi, HDMI_INTERRUPT_MASK1, 0);
> +
> +	mutex_unlock(&i2c->lock);
> +
> +	return ret;
> +}
…

Would you become interested to apply a statement like “guard(mutex)(&i2c->lock);”?
https://elixir.bootlin.com/linux/v6.10-rc4/source/include/linux/mutex.h#L196

Regards,
Markus



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