drm/panel: boe-th101mb31ig002 : using drm_connector_helper_get_modes_fixed()

Use public functions( drm_connector_helper_get_modes_fixed()) to
get porch parameters.

Signed-off-by: Zhaoxiong Lv <lvzhaoxiong@huaqin.corp-partner.google.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20240723062615.14796-3-lvzhaoxiong@huaqin.corp-partner.google.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240723062615.14796-3-lvzhaoxiong@huaqin.corp-partner.google.com

diff --git a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
index d4e4abd103bbf9e47b9d65697e3270e1aaaab000..0b87f1e6ecaea71f10a249bdc53466d281f07a34 100644 (file)
--- a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
+++ b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
@@ -16,6 +16,7 @@
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_modes.h>
 #include <drm/drm_panel.h>
+#include <drm/drm_probe_helper.h>
 
 struct boe_th101mb31ig002;
 
@@ -313,31 +314,15 @@ static int boe_th101mb31ig002_get_modes(struct drm_panel *panel,
                                                      struct boe_th101mb31ig002,
                                                      panel);
        const struct drm_display_mode *desc_mode = ctx->desc->modes;
-       struct drm_display_mode *mode;
-
-       mode = drm_mode_duplicate(connector->dev, desc_mode);
-       if (!mode) {
-               dev_err(panel->dev, "Failed to add mode %ux%u@%u\n",
-                       desc_mode->hdisplay, desc_mode->vdisplay,
-                       drm_mode_vrefresh(desc_mode));
-               return -ENOMEM;
-       }
-
-       drm_mode_set_name(mode);
 
        connector->display_info.bpc = 8;
-       connector->display_info.width_mm = mode->width_mm;
-       connector->display_info.height_mm = mode->height_mm;
-
        /*
         * TODO: Remove once all drm drivers call
         * drm_connector_set_orientation_from_panel()
         */
        drm_connector_set_panel_orientation(connector, ctx->orientation);
 
-       drm_mode_probed_add(connector, mode);
-
-       return 1;
+       return drm_connector_helper_get_modes_fixed(connector, desc_mode);
 }
 
 static enum drm_panel_orientation