drm/panel: ili9322: move bus_flags to get_modes()

To prepare the driver to receive drm_connector only in the get_modes()
callback, move bus_flags handling to ili9322_get_modes().
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190804201637.1240-11-sam@ravnborg.org

drivers/gpu/drm/panel/panel-ilitek-ili9322.c

@@ -349,7 +349,6 @@ static const struct regmap_config ili9322_regmap_config = {
 
 static int ili9322_init(struct drm_panel *panel, struct ili9322 *ili)
 {
-	struct drm_connector *connector = panel->connector;
 	u8 reg;
 	int ret;
 	int i;
@@ -407,23 +406,11 @@ static int ili9322_init(struct drm_panel *panel, struct ili9322 *ili)
 	 * Polarity and inverted color order for RGB input.
 	 * None of this applies in the BT.656 mode.
 	 */
-	if (ili->conf->dclk_active_high) {
+	reg = 0;
+	if (ili->conf->dclk_active_high)
 		reg = ILI9322_POL_DCLK;
-		connector->display_info.bus_flags |=
-			DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE;
-	} else {
-		reg = 0;
-		connector->display_info.bus_flags |=
-			DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE;
-	}
-	if (ili->conf->de_active_high) {
+	if (ili->conf->de_active_high)
 		reg |= ILI9322_POL_DE;
-		connector->display_info.bus_flags |=
-			DRM_BUS_FLAG_DE_HIGH;
-	} else {
-		connector->display_info.bus_flags |=
-			DRM_BUS_FLAG_DE_LOW;
-	}
 	if (ili->conf->hsync_active_high)
 		reg |= ILI9322_POL_HSYNC;
 	if (ili->conf->vsync_active_high)
@@ -659,9 +646,20 @@ static int ili9322_get_modes(struct drm_panel *panel)
 	struct drm_connector *connector = panel->connector;
 	struct ili9322 *ili = panel_to_ili9322(panel);
 	struct drm_display_mode *mode;
+	struct drm_display_info *info;
+
+	info = &connector->display_info;
+	info->width_mm = ili->conf->width_mm;
+	info->height_mm = ili->conf->height_mm;
+	if (ili->conf->dclk_active_high)
+		info->bus_flags |= DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE;
+	else
+		info->bus_flags |= DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE;
 
-	connector->display_info.width_mm = ili->conf->width_mm;
-	connector->display_info.height_mm = ili->conf->height_mm;
+	if (ili->conf->de_active_high)
+		info->bus_flags |= DRM_BUS_FLAG_DE_HIGH;
+	else
+		info->bus_flags |= DRM_BUS_FLAG_DE_LOW;
 
 	switch (ili->input) {
 	case ILI9322_INPUT_SRGB_DUMMY_320X240: