linux-kernel - [PATCH v3 2/2] drm/panel: boe-th101mb31ig002 : using drm_connector_helper_get_modes

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Message-Id: <20240722092428.24499-3-lvzhaoxiong@huaqin.corp-partner.google.com>
Date: Mon, 22 Jul 2024 17:24:28 +0800
From: Zhaoxiong Lv <lvzhaoxiong@...qin.corp-partner.google.com>
To: neil.armstrong@...aro.org,
	quic_jesszhan@...cinc.com,
	sam@...nborg.org,
	maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org,
	tzimmermann@...e.de,
	dianders@...omium.org,
	hsinyi@...gle.com,
	awarnecke002@...mail.com,
	dmitry.baryshkov@...aro.org
Cc: dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Zhaoxiong Lv <lvzhaoxiong@...qin.corp-partner.google.com>
Subject: [PATCH v3 2/2] 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@...qin.corp-partner.google.com>
---
Changes between V3 and V2:
-  1. Keep bpc settings and drm_connector_set_panel_orientation() function..
v2: https://lore.kernel.org/all/20240716121112.14435-3-lvzhaoxiong@huaqin.corp-partner.google.com/
---
 .../drm/panel/panel-boe-th101mb31ig002-28a.c    | 17 ++---------------
 1 file changed, 2 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
index d4e4abd103bb..8e5edda32731 100644
--- 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;
 
@@ -313,29 +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);
+	drm_connector_helper_get_modes_fixed(connector, desc_mode);
 
 	return 1;
 }
-- 
2.17.1