[RFC PATCH 14/17] drm: bridge: samsung-dsim: Add input_bus_flags
From: Jagan Teki <jagan@amarulasolutions.com>
Date: 2021-07-04 09:05:37
Also in:
dri-devel, linux-arm-kernel, linux-samsung-soc
Subsystem:
drm driver for samsung mipi dsim bridge, drm drivers, drm drivers and misc gpu patches, drm drivers for bridge chips, the rest · Maintainers:
Inki Dae, Jagan Teki, Marek Szyprowski, David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Andrzej Hajda, Neil Armstrong, Robert Foss, Linus Torvalds
eLCDIF is expecting to have input_bus_flags as DE_LOW in order to set active low during valid data transfer on each horizontal line. Add DE_LOW flag via drm bridge timings. Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> --- drivers/gpu/drm/bridge/samsung-dsim.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c
index ea379cb0cc32..bc845ae100d4 100644
--- a/drivers/gpu/drm/bridge/samsung-dsim.c
+++ b/drivers/gpu/drm/bridge/samsung-dsim.c@@ -1723,6 +1723,10 @@ static const struct component_ops samsung_dsim_component_ops = { .unbind = samsung_dsim_unbind, }; +static const struct drm_bridge_timings samsung_dsim_bridge_timings = { + .input_bus_flags = DRM_BUS_FLAG_DE_LOW, +}; + static int samsung_dsim_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev;
@@ -1819,6 +1823,7 @@ static int samsung_dsim_probe(struct platform_device *pdev) dsi->bridge.funcs = &samsung_dsim_bridge_funcs; dsi->bridge.of_node = dev->of_node; + dsi->bridge.timings = &samsung_dsim_bridge_timings; dsi->bridge.type = DRM_MODE_CONNECTOR_DSI; drm_bridge_add(&dsi->bridge);
--
2.25.1