From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/drm_encoder.c | 22 ++++++++++------------
1 files changed, 10 insertions(+), 12 deletions(-)
diff --git a/kernel/drivers/gpu/drm/drm_encoder.c b/kernel/drivers/gpu/drm/drm_encoder.c
index 273e1c5..e555281 100644
--- a/kernel/drivers/gpu/drm/drm_encoder.c
+++ b/kernel/drivers/gpu/drm/drm_encoder.c
@@ -21,7 +21,10 @@
*/
#include <linux/export.h>
-#include <drm/drmP.h>
+
+#include <drm/drm_bridge.h>
+#include <drm/drm_device.h>
+#include <drm/drm_drv.h>
#include <drm/drm_encoder.h>
#include "drm_crtc_internal.h"
@@ -137,6 +140,7 @@
goto out_put;
}
+ INIT_LIST_HEAD(&encoder->bridge_chain);
list_add_tail(&encoder->head, &dev->mode_config.encoder_list);
encoder->index = dev->mode_config.num_encoder++;
@@ -157,22 +161,16 @@
void drm_encoder_cleanup(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
+ struct drm_bridge *bridge, *next;
/* Note that the encoder_list is considered to be static; should we
* remove the drm_encoder at runtime we would have to decrement all
* the indices on the drm_encoder after us in the encoder_list.
*/
- if (encoder->bridge) {
- struct drm_bridge *bridge = encoder->bridge;
- struct drm_bridge *next;
-
- while (bridge) {
- next = bridge->next;
- drm_bridge_detach(bridge);
- bridge = next;
- }
- }
+ list_for_each_entry_safe(bridge, next, &encoder->bridge_chain,
+ chain_node)
+ drm_bridge_detach(bridge);
drm_mode_object_unregister(dev, &encoder->base);
kfree(encoder->name);
@@ -222,7 +220,7 @@
struct drm_crtc *crtc;
if (!drm_core_check_feature(dev, DRIVER_MODESET))
- return -EINVAL;
+ return -EOPNOTSUPP;
encoder = drm_encoder_find(dev, file_priv, enc_resp->encoder_id);
if (!encoder)
--
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