[PATCH v4 2/3] drm/loongson: Add GPIO and I2C driver for loongson drm.

[Sam Ravnborg]

Hi lichenyang,

On Fri, Jul 30, 2021 at 05:41:47PM +0800, lichenyang wrote:
> Implement use GPIO and I2C driver to detect connector
> and fetch EDID via DDC.
> 
> v3:
> - Change some driver log to the drm_ version.
> 
> v2:
> - Optimize the error handling process.
> - Delete loongson_i2c_bus_match and loongson_i2c_add function.
> - Optimize part of the code flow.
> 
> Signed-off-by: lichenyang <lichenyang at loongson.cn>

I will return later with more detailed feedback.

One high-level comment is that all the i2c support would be much better
modelled as a bridge. And then you could use the bridge_connector.

	Sam