Re: [PATCH v2] drm/bridge: dw_hdmi: support i2c extended read mode
From: Vladimir Zapolskiy
Date: Mon Mar 20 2017 - 08:30:34 EST
Hi Nickey,
On 03/20/2017 04:57 AM, Nickey Yang wrote:
> "I2C Master Interface Extended Read Mode" implements a segment
> pointer-based read operation using the Special Register configuration.
>
> This patch fix https://patchwork.kernel.org/patch/7098101/ mentioned
> "The current implementation does not support "I2C Master Interface
> Extended Read Mode" to read data addressed by non-zero segment
> pointer, this means that if EDID has more than 1 extension blocks"
... EDID reading operation won't succeed.
Indeed.
>
> With this patch,dw-hdmi can read EDID data with 1/2/4 blocks.
>
> Signed-off-by: Nickey Yang <nickey.yang@xxxxxxxxxxxxxx>
> Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> ---
Unfortunately I don't have a chance to test the change thoroughly, but
from what I see the implementation is correct. Thank you for the change.
Please feel free to update the commit message and add my
Acked-by: Vladimir Zapolskiy <vladimir_zapolskiy@xxxxxxxxxx>
--
With best wishes,
Vladimir