linux-kernel - [PATCH] drm: Replace deprecated function in drm_crtc

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 20 May 2020 20:41:56 +0900
From:   Sidong Yang <realwakka@...il.com>
To:     Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     Sidong Yang <realwakka@...il.com>, intel-gfx@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: [PATCH] drm: Replace deprecated function in drm_crtc_helper

Replace deprecated function drm_modeset_lock/unlock_all with
helper function DRM_MODESET_LOCK_ALL_BEGIN/END.

Signed-off-by: Sidong Yang <realwakka@...il.com>
---
 drivers/gpu/drm/drm_crtc_helper.c | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index a4d36aca45ea..c7379c719952 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -217,11 +217,14 @@ static void __drm_helper_disable_unused_functions(struct drm_device *dev)
  */
 void drm_helper_disable_unused_functions(struct drm_device *dev)
 {
+	struct drm_modeset_acquire_ctx ctx;
+	int ret;
+
 	WARN_ON(drm_drv_uses_atomic_modeset(dev));
 
-	drm_modeset_lock_all(dev);
+	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
 	__drm_helper_disable_unused_functions(dev);
-	drm_modeset_unlock_all(dev);
+	DRM_MODESET_LOCK_ALL_END(ctx, ret);
 }
 EXPORT_SYMBOL(drm_helper_disable_unused_functions);
 
@@ -938,13 +941,14 @@ void drm_helper_resume_force_mode(struct drm_device *dev)
 {
 	struct drm_crtc *crtc;
 	struct drm_encoder *encoder;
+	struct drm_modeset_acquire_ctx ctx;
 	const struct drm_crtc_helper_funcs *crtc_funcs;
 	int encoder_dpms;
-	bool ret;
+	int ret;
 
 	WARN_ON(drm_drv_uses_atomic_modeset(dev));
 
-	drm_modeset_lock_all(dev);
+	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
 	drm_for_each_crtc(crtc, dev) {
 
 		if (!crtc->enabled)
@@ -979,7 +983,7 @@ void drm_helper_resume_force_mode(struct drm_device *dev)
 
 	/* disable the unused connectors while restoring the modesetting */
 	__drm_helper_disable_unused_functions(dev);
-	drm_modeset_unlock_all(dev);
+	DRM_MODESET_LOCK_ALL_END(ctx, ret);
 }
 EXPORT_SYMBOL(drm_helper_resume_force_mode);
 
@@ -999,9 +1003,10 @@ EXPORT_SYMBOL(drm_helper_resume_force_mode);
 int drm_helper_force_disable_all(struct drm_device *dev)
 {
 	struct drm_crtc *crtc;
+	struct drm_modeset_acquire_ctx ctx;
 	int ret = 0;
 
-	drm_modeset_lock_all(dev);
+	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
 	drm_for_each_crtc(crtc, dev)
 		if (crtc->enabled) {
 			struct drm_mode_set set = {
@@ -1013,7 +1018,7 @@ int drm_helper_force_disable_all(struct drm_device *dev)
 				goto out;
 		}
 out:
-	drm_modeset_unlock_all(dev);
+	DRM_MODESET_LOCK_ALL_END(ctx, ret);
 	return ret;
 }
 EXPORT_SYMBOL(drm_helper_force_disable_all);
-- 
2.17.1