Hi Jagan, On Sun, Jul 04, 2021 at 02:32:30PM +0530, Jagan Teki wrote:
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.
Please do this in atomic_check. Check rcar-du for a way to get access to adjusted_mode.
I have a helper in the works, but I may not return to it until a week or more.
Sam
Signed-off-by: Jagan Teki jagan@amarulasolutions.com
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