The DSI link must be powered up to let panel driver to talk to the panel
during prepare() callback execution. Set the prepare_prev_first flag to
guarantee this.
Fixes: 9e15123eca79 ("drm/msm/dsi: Stop unconditionally powering up DSI hosts
at modeset")
Signed-off-by: Dmitry Baryshkov <[email protected]>
---
drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
index 36abfa2e65e9..dd1eaba23ad3 100644
--- a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
+++ b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
@@ -201,6 +201,7 @@ static int sharp_nt_panel_add(struct sharp_nt_panel
*sharp_nt)
drm_panel_init(&sharp_nt->base, &sharp_nt->dsi->dev,
&sharp_nt_panel_funcs, DRM_MODE_CONNECTOR_DSI);
+ sharp_nt->base.prepare_prev_first = true;
ret = drm_panel_of_backlight(&sharp_nt->base);
if (ret)
---
base-commit: 8e5a478b6d6a5bb0a3d52147862b15e4d826af19
change-id: 20260323-panel-fix-4e794508de92
Best regards,
--
With best wishes
Dmitry
