diff options
| author | Douglas Anderson <dianders@chromium.org> | 2021-06-11 20:17:44 +0300 |
|---|---|---|
| committer | Douglas Anderson <dianders@chromium.org> | 2021-06-11 22:31:38 +0300 |
| commit | e0bbcc6233f7c664474287aaed8dcffd935a1869 (patch) | |
| tree | e2c68b0836e7441147eb5ae8e03f17f3d56529fe | |
| parent | a1e3667a9835e15101cf27731219fe2581dbf572 (diff) | |
| download | linux-e0bbcc6233f7c664474287aaed8dcffd935a1869.tar.xz | |
drm/bridge: ti-sn65dsi86: Add support for the DP AUX bus
We want to provide our panel with access to the DP AUX channel. The
way to do this is to let our panel be a child of ours using the fancy
new DP AUX bus support.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210611101711.v10.8.Ib5fe0638da85800141ce141bb8e441c5f25438d4@changeid
| -rw-r--r-- | drivers/gpu/drm/bridge/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/bridge/ti-sn65dsi86.c | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index 85b673613687..431b6e12a81f 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -303,6 +303,7 @@ config DRM_TI_SN65DSI86 select DRM_PANEL select DRM_MIPI_DSI select AUXILIARY_BUS + select DRM_DP_AUX_BUS help Texas Instruments SN65DSI86 DSI to eDP Bridge driver diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c index 8e61005cf4ad..32bd35c98d95 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c @@ -23,6 +23,7 @@ #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_bridge.h> +#include <drm/drm_dp_aux_bus.h> #include <drm/drm_dp_helper.h> #include <drm/drm_mipi_dsi.h> #include <drm/drm_of.h> @@ -1426,12 +1427,17 @@ static int ti_sn_aux_probe(struct auxiliary_device *adev, const struct auxiliary_device_id *id) { struct ti_sn65dsi86 *pdata = dev_get_drvdata(adev->dev.parent); + int ret; pdata->aux.name = "ti-sn65dsi86-aux"; pdata->aux.dev = &adev->dev; pdata->aux.transfer = ti_sn_aux_transfer; drm_dp_aux_init(&pdata->aux); + ret = devm_of_dp_aux_populate_ep_devices(&pdata->aux); + if (ret) + return ret; + /* * The eDP to MIPI bridge parts don't work until the AUX channel is * setup so we don't add it in the main driver probe, we add it now. |