Re: [PATCH v5 10/10] drm/bridge: it6505: add I2C functionality on AUX
From: Dmitry Baryshkov
Date: Mon Oct 14 2024 - 07:58:13 EST
On Tue, Oct 01, 2024 at 02:45:50PM +0800, Hermes Wu wrote:
> From: Hermes Wu <Hermes.wu@xxxxxxxxxx>
>
> DisplayPort AUX protocol supports I2C transport which is capable of reading EDID or supports MCCS.
>
> In drm_dp_helper, drm_dp_i2c_xfer() packs I2C requests into a sequence of AUX requests.
> it6505_aux_i2c_operation() is implemented to match drm_dp_i2c_xfer() behavior.
> it6505_aux_i2c_transfer() adds I2C functionality for it6505_aux_transfer().
>
> Signed-off-by: Hermes Wu <Hermes.wu@xxxxxxxxxx>
> ---
> drivers/gpu/drm/bridge/ite-it6505.c | 177 +++++++++++++++++++++++++++-
> 1 file changed, 175 insertions(+), 2 deletions(-)
>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
--
With best wishes
Dmitry