From b9c4753974d489e586ad6f1ee9569e9cb6fbc733 Mon Sep 17 00:00:00 2001
From: Sean Paul <seanpaul@chromium.org>
Date: Sat, 2 Oct 2021 11:45:39 -0400
Subject: Revert "drm: cleanup: drm_modeset_lock_all() -->
DRM_MODESET_LOCK_ALL_BEGIN()"
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Git-commit: 76fd2c379e654aaa6ab3435a5c6bdd7dc4c1d28c
Patch-mainline: v5.16-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
This reverts commit 7c5f2eecc21f44fba1b1f13ce09c2533db9d781a.
This patchset breaks on intel platforms and was previously NACK'd by
Ville.
Cc: Ville Syrj채l채 <ville.syrjala@linux.intel.com>
Cc: Fernando Ramos <greenfoo@u92.eu>
Acked-by: Ville Syrj채l채 <ville.syrjala@linux.intel.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211002154542.15800-13-sean@poorly.run
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/drm_client_modeset.c | 5 ++---
drivers/gpu/drm/drm_crtc_helper.c | 18 ++++++------------
drivers/gpu/drm/drm_fb_helper.c | 10 ++++------
drivers/gpu/drm/drm_framebuffer.c | 6 ++----
4 files changed, 14 insertions(+), 25 deletions(-)
diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c
index 43f772543d2a..5f5184f071ed 100644
--- a/drivers/gpu/drm/drm_client_modeset.c
+++ b/drivers/gpu/drm/drm_client_modeset.c
@@ -1062,10 +1062,9 @@ static int drm_client_modeset_commit_legacy(struct drm_client_dev *client)
struct drm_device *dev = client->dev;
struct drm_mode_set *mode_set;
struct drm_plane *plane;
- struct drm_modeset_acquire_ctx ctx;
int ret = 0;
- DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
+ drm_modeset_lock_all(dev);
drm_for_each_plane(plane, dev) {
if (plane->type != DRM_PLANE_TYPE_PRIMARY)
drm_plane_force_disable(plane);
@@ -1094,7 +1093,7 @@ static int drm_client_modeset_commit_legacy(struct drm_client_dev *client)
goto out;
}
out:
- DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
+ drm_modeset_unlock_all(dev);
return ret;
}
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index f3ce073dff79..bff917531f33 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -218,14 +218,11 @@ 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_BEGIN(dev, ctx, 0, ret);
+ drm_modeset_lock_all(dev);
__drm_helper_disable_unused_functions(dev);
- DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
+ drm_modeset_unlock_all(dev);
}
EXPORT_SYMBOL(drm_helper_disable_unused_functions);
@@ -945,14 +942,12 @@ void drm_helper_resume_force_mode(struct drm_device *dev)
struct drm_crtc *crtc;
struct drm_encoder *encoder;
const struct drm_crtc_helper_funcs *crtc_funcs;
- struct drm_modeset_acquire_ctx ctx;
int encoder_dpms;
bool ret;
- int err;
WARN_ON(drm_drv_uses_atomic_modeset(dev));
- DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, err);
+ drm_modeset_lock_all(dev);
drm_for_each_crtc(crtc, dev) {
if (!crtc->enabled)
@@ -987,7 +982,7 @@ 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_LOCK_ALL_END(dev, ctx, err);
+ drm_modeset_unlock_all(dev);
}
EXPORT_SYMBOL(drm_helper_resume_force_mode);
@@ -1007,10 +1002,9 @@ 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_BEGIN(dev, ctx, 0, ret);
+ drm_modeset_lock_all(dev);
drm_for_each_crtc(crtc, dev)
if (crtc->enabled) {
struct drm_mode_set set = {
@@ -1022,7 +1016,7 @@ int drm_helper_force_disable_all(struct drm_device *dev)
goto out;
}
out:
- DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
+ drm_modeset_unlock_all(dev);
return ret;
}
EXPORT_SYMBOL(drm_helper_force_disable_all);
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 3b5661cf6c2b..8e7a124d6c5a 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -940,11 +940,10 @@ static int setcmap_legacy(struct fb_cmap *cmap, struct fb_info *info)
struct drm_fb_helper *fb_helper = info->par;
struct drm_mode_set *modeset;
struct drm_crtc *crtc;
- struct drm_modeset_acquire_ctx ctx;
u16 *r, *g, *b;
int ret = 0;
- DRM_MODESET_LOCK_ALL_BEGIN(fb_helper->dev, ctx, 0, ret);
+ drm_modeset_lock_all(fb_helper->dev);
drm_client_for_each_modeset(modeset, &fb_helper->client) {
crtc = modeset->crtc;
if (!crtc->funcs->gamma_set || !crtc->gamma_size) {
@@ -971,7 +970,7 @@ static int setcmap_legacy(struct fb_cmap *cmap, struct fb_info *info)
goto out;
}
out:
- DRM_MODESET_LOCK_ALL_END(fb_helper->dev, ctx, ret);
+ drm_modeset_unlock_all(fb_helper->dev);
return ret;
}
@@ -1442,11 +1441,10 @@ static int pan_display_legacy(struct fb_var_screeninfo *var,
struct drm_fb_helper *fb_helper = info->par;
struct drm_client_dev *client = &fb_helper->client;
struct drm_mode_set *modeset;
- struct drm_modeset_acquire_ctx ctx;
int ret = 0;
mutex_lock(&client->modeset_mutex);
- DRM_MODESET_LOCK_ALL_BEGIN(fb_helper->dev, ctx, 0, ret);
+ drm_modeset_lock_all(fb_helper->dev);
drm_client_for_each_modeset(modeset, client) {
modeset->x = var->xoffset;
modeset->y = var->yoffset;
@@ -1459,7 +1457,7 @@ static int pan_display_legacy(struct fb_var_screeninfo *var,
}
}
}
- DRM_MODESET_LOCK_ALL_END(fb_helper->dev, ctx, ret);
+ drm_modeset_unlock_all(fb_helper->dev);
mutex_unlock(&client->modeset_mutex);
return ret;
diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
index 205e9aa9a409..07f5abc875e9 100644
--- a/drivers/gpu/drm/drm_framebuffer.c
+++ b/drivers/gpu/drm/drm_framebuffer.c
@@ -1059,10 +1059,8 @@ static void legacy_remove_fb(struct drm_framebuffer *fb)
struct drm_device *dev = fb->dev;
struct drm_crtc *crtc;
struct drm_plane *plane;
- struct drm_modeset_acquire_ctx ctx;
- int ret;
- DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
+ drm_modeset_lock_all(dev);
/* remove from any CRTC */
drm_for_each_crtc(crtc, dev) {
if (crtc->primary->fb == fb) {
@@ -1084,7 +1082,7 @@ static void legacy_remove_fb(struct drm_framebuffer *fb)
drm_plane_force_disable(plane);
}
}
- DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
+ drm_modeset_unlock_all(dev);
}
/**
--
2.38.1