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@u92.eu Reviewed-by: Sean Paul sean@poorly.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); }
/**