On Tue, Aug 10, 2021 at 7:31 PM allen <allen.chen@xxxxxxxxxx> wrote: > > This adds support for the iTE IT6505. > This device can convert DPI signal to DP output. > > From: Allen Chen <allen.chen@xxxxxxxxxx> > Tested-by: Hsin-yi Wang <hsinyi@xxxxxxxxxxxx> > Signed-off-by: Hermes Wu <hermes.wu@xxxxxxxxxx> > Signed-off-by: Allen Chen <allen.chen@xxxxxxxxxx> > --- <-- Add this line next time. Add the change logs below this line so that they're not mixed with commit messages. > v7->v8: > fixed "checkpatch --strict" error > remove unused variable *edid > remove mode_set() callback > Documenting the individual bits of the interrupt mask values > change it6505_dpcd_write parameter from unsigned long to u8 > > This patch depends on https://patchwork.kernel.org/project/linux-mediatek/patch/20210722062246.2512666-4-sam@xxxxxxxxxxxx/ > --- > drivers/gpu/drm/bridge/Kconfig | 8 + > drivers/gpu/drm/bridge/Makefile | 1 + > drivers/gpu/drm/bridge/ite-it6505.c | 3333 +++++++++++++++++++++++++++ > 3 files changed, 3342 insertions(+) > create mode 100644 drivers/gpu/drm/bridge/ite-it6505.c > > diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig > index 431b6e12a81fe..e1afe171075f5 100644 > --- a/drivers/gpu/drm/bridge/Kconfig > +++ b/drivers/gpu/drm/bridge/Kconfig > @@ -74,6 +74,14 @@ config DRM_DISPLAY_CONNECTOR > on ARM-based platforms. Saying Y here when this driver is not needed > will not cause any issue. > <snip> > + > + /* Register aux channel */ > + it6505->aux.name = "DP-AUX"; > + it6505->aux.dev = dev; > + it6505->aux.transfer = it6505_aux_transfer; > + > + err = drm_dp_aux_register(&it6505->aux); drm_dp_aux_register() checks if aux->drm_dev is null. Assign this otherwise you'll see warnings. > + if (err < 0) { > + dev_err(dev, "Failed to register aux: %d", err); > + return err; > + } <snip>
