[PATCH v1 04/16] drm/imx: fix opencoded use of drm_panel_*

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Use the drm_panel_get_modes() function to get the modes.

This patch leave one test for the function pointer:
    panel->funcs->get_modes

This is used to check if the panel may have any modes.
There is no direct replacement.
We may be able to just check that drm_panel_get_modes() return > 0,
but as this is not the same functionality it is left for later.

Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Cc: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx>
Cc: Fabio Estevam <festevam@xxxxxxxxx>
Cc: NXP Linux Team <linux-imx@xxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
---
 drivers/gpu/drm/imx/imx-ldb.c          | 11 ++++-------
 drivers/gpu/drm/imx/parallel-display.c | 11 ++++-------
 2 files changed, 8 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index db461b6a257f..695f307f36b2 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -124,14 +124,11 @@ static void imx_ldb_ch_set_bus_format(struct imx_ldb_channel *imx_ldb_ch,
 static int imx_ldb_connector_get_modes(struct drm_connector *connector)
 {
 	struct imx_ldb_channel *imx_ldb_ch = con_to_imx_ldb_ch(connector);
-	int num_modes = 0;
+	int num_modes;
 
-	if (imx_ldb_ch->panel && imx_ldb_ch->panel->funcs &&
-	    imx_ldb_ch->panel->funcs->get_modes) {
-		num_modes = imx_ldb_ch->panel->funcs->get_modes(imx_ldb_ch->panel);
-		if (num_modes > 0)
-			return num_modes;
-	}
+	num_modes = drm_panel_get_modes(imx_ldb_ch->panel);
+	if (num_modes > 0)
+		return num_modes;
 
 	if (!imx_ldb_ch->edid && imx_ldb_ch->ddc)
 		imx_ldb_ch->edid = drm_get_edid(connector, imx_ldb_ch->ddc);
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index 2e51b2fade75..e7ce17503ae1 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -47,14 +47,11 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector)
 {
 	struct imx_parallel_display *imxpd = con_to_imxpd(connector);
 	struct device_node *np = imxpd->dev->of_node;
-	int num_modes = 0;
+	int num_modes;
 
-	if (imxpd->panel && imxpd->panel->funcs &&
-	    imxpd->panel->funcs->get_modes) {
-		num_modes = imxpd->panel->funcs->get_modes(imxpd->panel);
-		if (num_modes > 0)
-			return num_modes;
-	}
+	num_modes = drm_panel_get_modes(imxpd->panel);
+	if (num_modes > 0)
+		return num_modes;
 
 	if (imxpd->edid) {
 		drm_connector_update_edid_property(connector, imxpd->edid);
-- 
2.20.1




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