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Date: Wed, 13 Oct 2021 22:48:30 +0200
From: Fernando Ramos <greenfoo@....eu>
To: dri-devel@...ts.freedesktop.org
Cc: linux-kernel@...r.kernel.org, sean@...rly.run,
linux-doc@...r.kernel.org, amd-gfx@...ts.freedesktop.org,
intel-gfx@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
freedreno@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
linux-renesas-soc@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: [PATCH v4 04/20] drm: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()
As requested in Documentation/gpu/todo.rst, replace driver calls to
drm_modeset_lock_all() with DRM_MODESET_LOCK_ALL_BEGIN() and
DRM_MODESET_LOCK_ALL_END()
Signed-off-by: Fernando Ramos <greenfoo@....eu>
Reviewed-by: Sean Paul <sean@...rly.run>
---
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, 25 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c
index 5f5184f071ed..43f772543d2a 100644
--- a/drivers/gpu/drm/drm_client_modeset.c
+++ b/drivers/gpu/drm/drm_client_modeset.c
@@ -1062,9 +1062,10 @@ 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(dev);
+ DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
drm_for_each_plane(plane, dev) {
if (plane->type != DRM_PLANE_TYPE_PRIMARY)
drm_plane_force_disable(plane);
@@ -1093,7 +1094,7 @@ static int drm_client_modeset_commit_legacy(struct drm_client_dev *client)
goto out;
}
out:
- drm_modeset_unlock_all(dev);
+ DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
return ret;
}
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index bff917531f33..f3ce073dff79 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -218,11 +218,14 @@ 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, 0, ret);
__drm_helper_disable_unused_functions(dev);
- drm_modeset_unlock_all(dev);
+ DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
}
EXPORT_SYMBOL(drm_helper_disable_unused_functions);
@@ -942,12 +945,14 @@ 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(dev);
+ DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, err);
drm_for_each_crtc(crtc, dev) {
if (!crtc->enabled)
@@ -982,7 +987,7 @@ 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(dev, ctx, err);
}
EXPORT_SYMBOL(drm_helper_resume_force_mode);
@@ -1002,9 +1007,10 @@ 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, 0, ret);
drm_for_each_crtc(crtc, dev)
if (crtc->enabled) {
struct drm_mode_set set = {
@@ -1016,7 +1022,7 @@ int drm_helper_force_disable_all(struct drm_device *dev)
goto out;
}
out:
- drm_modeset_unlock_all(dev);
+ DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
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 8e7a124d6c5a..3b5661cf6c2b 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -940,10 +940,11 @@ 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(fb_helper->dev);
+ DRM_MODESET_LOCK_ALL_BEGIN(fb_helper->dev, ctx, 0, ret);
drm_client_for_each_modeset(modeset, &fb_helper->client) {
crtc = modeset->crtc;
if (!crtc->funcs->gamma_set || !crtc->gamma_size) {
@@ -970,7 +971,7 @@ static int setcmap_legacy(struct fb_cmap *cmap, struct fb_info *info)
goto out;
}
out:
- drm_modeset_unlock_all(fb_helper->dev);
+ DRM_MODESET_LOCK_ALL_END(fb_helper->dev, ctx, ret);
return ret;
}
@@ -1441,10 +1442,11 @@ 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(fb_helper->dev);
+ DRM_MODESET_LOCK_ALL_BEGIN(fb_helper->dev, ctx, 0, ret);
drm_client_for_each_modeset(modeset, client) {
modeset->x = var->xoffset;
modeset->y = var->yoffset;
@@ -1457,7 +1459,7 @@ static int pan_display_legacy(struct fb_var_screeninfo *var,
}
}
}
- drm_modeset_unlock_all(fb_helper->dev);
+ DRM_MODESET_LOCK_ALL_END(fb_helper->dev, ctx, ret);
mutex_unlock(&client->modeset_mutex);
return ret;
diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
index 07f5abc875e9..205e9aa9a409 100644
--- a/drivers/gpu/drm/drm_framebuffer.c
+++ b/drivers/gpu/drm/drm_framebuffer.c
@@ -1059,8 +1059,10 @@ 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(dev);
+ DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
/* remove from any CRTC */
drm_for_each_crtc(crtc, dev) {
if (crtc->primary->fb == fb) {
@@ -1082,7 +1084,7 @@ static void legacy_remove_fb(struct drm_framebuffer *fb)
drm_plane_force_disable(plane);
}
}
- drm_modeset_unlock_all(dev);
+ DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
}
/**
--
2.33.0
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