Fixing up the mode flags are required in order to correlate
the correct sync flags in i.MX8MM eLCDIF.
So, handle the mode flags via bridge, mode_fixup.
Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/bridge/samsung-dsim.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c
index 0ed218f5eefc..c2a76ee5ac4e 100644
--- a/drivers/gpu/drm/bridge/samsung-dsim.c
+++ b/drivers/gpu/drm/bridge/samsung-dsim.c
@@ -1474,6 +1474,16 @@ static void samsung_dsim_bridge_disable(struct drm_bridge *bridge)
pm_runtime_put_sync(dsi->dev);
}
+static bool samsung_dsim_bridge_mode_fixup(struct drm_bridge *bridge,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ adjusted_mode->flags |= (DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC);
+ adjusted_mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
+
+ return true;
+}
+
static void samsung_dsim_bridge_mode_set(struct drm_bridge *bridge,
const struct drm_display_mode *mode,
const struct drm_display_mode *adjusted_mode)
@@ -1542,6 +1552,7 @@ static const struct drm_bridge_funcs samsung_dsim_bridge_funcs = {
.enable = samsung_dsim_bridge_enable,
.disable = samsung_dsim_bridge_disable,
.mode_set = samsung_dsim_bridge_mode_set,
+ .mode_fixup = samsung_dsim_bridge_mode_fixup,
.attach = samsung_dsim_bridge_attach,
};
--
2.25.1
