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drm/crtc-helpers: WARN when used with atomic drivers

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Motivated by an oversight of mine when looking at the atomic bochs
conversion. For consistency also switch over to the same style as used
elsewhere (e.g. in drm_mode_set_config_internal).

Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190110103045.26821-1-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2019-01-10 11:30:45 +01:00
parent 785cabaae9
commit 2b5ab0eeb5
1 changed files with 14 additions and 4 deletions
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18
drivers/gpu/drm/drm_crtc_helper.c
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@ -93,6 +93,8 @@ bool drm_helper_encoder_in_use(struct drm_encoder *encoder)
struct drm_connector_list_iter conn_iter;
struct drm_device *dev = encoder->dev;
WARN_ON(drm_drv_uses_atomic_modeset(dev));
/*
* We can expect this mutex to be locked if we are not panicking.
* Locking is currently fubar in the panic handler.
@ -131,6 +133,8 @@ bool drm_helper_crtc_in_use(struct drm_crtc *crtc)
struct drm_encoder *encoder;
struct drm_device *dev = crtc->dev;
WARN_ON(drm_drv_uses_atomic_modeset(dev));
/*
* We can expect this mutex to be locked if we are not panicking.
* Locking is currently fubar in the panic handler.
@ -212,8 +216,7 @@ static void __drm_helper_disable_unused_functions(struct drm_device *dev)
*/
void drm_helper_disable_unused_functions(struct drm_device *dev)
{
if (drm_core_check_feature(dev, DRIVER_ATOMIC))
DRM_ERROR("Called for atomic driver, this is not what you want.\n");
WARN_ON(drm_drv_uses_atomic_modeset(dev));
drm_modeset_lock_all(dev);
__drm_helper_disable_unused_functions(dev);
@ -281,6 +284,8 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
struct drm_encoder *encoder;
bool ret = true;
WARN_ON(drm_drv_uses_atomic_modeset(dev));
drm_warn_on_modeset_not_all_locked(dev);
saved_enabled = crtc->enabled;
@ -540,6 +545,9 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set,
crtc_funcs = set->crtc->helper_private;
dev = set->crtc->dev;
WARN_ON(drm_drv_uses_atomic_modeset(dev));
if (!set->mode)
set->fb = NULL;
@ -555,8 +563,6 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set,
return 0;
}
dev = set->crtc->dev;
drm_warn_on_modeset_not_all_locked(dev);
/*
@ -875,6 +881,8 @@ int drm_helper_connector_dpms(struct drm_connector *connector, int mode)
struct drm_crtc *crtc = encoder ? encoder->crtc : NULL;
int old_dpms, encoder_dpms = DRM_MODE_DPMS_OFF;
WARN_ON(drm_drv_uses_atomic_modeset(connector->dev));
if (mode == connector->dpms)
return 0;
@ -946,6 +954,8 @@ void drm_helper_resume_force_mode(struct drm_device *dev)
int encoder_dpms;
bool ret;
WARN_ON(drm_drv_uses_atomic_modeset(dev));
drm_modeset_lock_all(dev);
drm_for_each_crtc(crtc, dev) {