Re: [PATCH v2 1/2] drm/panel: novatek,nt39016: Reorder calls in probe

From: Paul Cercueil
Date: Thu Aug 20 2020 - 12:37:18 EST


Hi Sam,

Le jeu. 20 août 2020 à 17:53, Sam Ravnborg <sam@xxxxxxxxxxxx> a écrit :
On Thu, Aug 20, 2020 at 02:12:55PM +0200, Paul Cercueil wrote:
The drm_panel_of_backlight() function must be called after
drm_panel_init(), according to the function's documentation; otherwise
the backlight won't be properly initialized.

v2: New patch

Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
Reviewed-by: Sam Ravnborg <sam@xxxxxxxxxxxx>

Patchset pushed to drm-misc-next.

Thanks!
-Paul

---
drivers/gpu/drm/panel/panel-novatek-nt39016.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-novatek-nt39016.c b/drivers/gpu/drm/panel/panel-novatek-nt39016.c
index 39f7be679da5..daa583030246 100644
--- a/drivers/gpu/drm/panel/panel-novatek-nt39016.c
+++ b/drivers/gpu/drm/panel/panel-novatek-nt39016.c
@@ -285,6 +285,9 @@ static int nt39016_probe(struct spi_device *spi)
return PTR_ERR(panel->map);
}

+ drm_panel_init(&panel->drm_panel, dev, &nt39016_funcs,
+ DRM_MODE_CONNECTOR_DPI);
+
err = drm_panel_of_backlight(&panel->drm_panel);
if (err) {
if (err != -EPROBE_DEFER)
@@ -292,9 +295,6 @@ static int nt39016_probe(struct spi_device *spi)
return err;
}

- drm_panel_init(&panel->drm_panel, dev, &nt39016_funcs,
- DRM_MODE_CONNECTOR_DPI);
-
drm_panel_add(&panel->drm_panel);

return 0;
--
2.28.0