[PATCH v2 00/12] drm/imx/ipuv3: switch LDB and parallel-display driver to use drm_bridge_connector

Philipp Zabel p.zabel at pengutronix.de
Mon May 27 08:40:03 PDT 2024


Hi Dmitry,

On Mi, 2024-04-17 at 00:58 +0300, Dmitry Baryshkov wrote:
> On Sun, Mar 31, 2024 at 11:28:57PM +0300, Dmitry Baryshkov wrote:
> > The IPUv3 DRM i.MX driver contains several codepaths for different
> > usescases: both LDB and paralllel-display drivers handle next-bridge,
> > panel and the legacy display-timings DT node on their own.
> > 
> > Drop unused ddc-i2c-bus and edid handling (none of the DT files merged
> > upstream ever used these features), switch to panel-bridge driver,
> > removing the need to handle drm_panel codepaths separately and finally
> > switch to drm_bridge_connector, removing requirement for the downstream
> > bridges to create drm_connector on their own.
> > 
> > This has been tested on the iMX53 with the DPI panel attached to LDB via
> > LVDS decoder, using all possible usecases (lvds-codec + panel, panel
> > linked directly to LDB node and the display-timings node).
> > 
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> > ---
> > Changes in v2:
> > - Fixed drm_bridge_attach flags in imx/parallel-display driver.
> > - Moved the legacy bridge to drivers/gpu/drm/bridge
> > - Added missing EXPORT_SYMBOL_GPL to the iMX legacy bridge
> > - Link to v1: https://lore.kernel.org/r/20240311-drm-imx-cleanup-v1-0-e104f05caa51@linaro.org
> 
> Phillip, Shawn, Sascha, any comments on this patchset?

Sorry for the delay, this all looks sane to me. I can't find any users
of the "edid" and "ddc-i2c-bus" properties either. But let me test on
i.MX6 and with parallel-display as well.

regards
Philipp



More information about the linux-arm-kernel mailing list