diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_crtc.c')
-rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_crtc.c | 58 |
1 files changed, 23 insertions, 35 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index 7125fbe02040..dd8e4549ea01 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -22,40 +22,41 @@ #include "exynos_drm_encoder.h" #include "exynos_drm_plane.h" -static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode) +static void exynos_drm_crtc_enable(struct drm_crtc *crtc) { struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); - DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode); - - if (exynos_crtc->dpms == mode) { - DRM_DEBUG_KMS("desired dpms mode is same as previous one.\n"); + if (exynos_crtc->enabled) return; - } - - if (mode > DRM_MODE_DPMS_ON) { - /* wait for the completion of page flip. */ - if (!wait_event_timeout(exynos_crtc->pending_flip_queue, - (exynos_crtc->event == NULL), HZ/20)) - exynos_crtc->event = NULL; - drm_crtc_vblank_off(crtc); - } if (exynos_crtc->ops->dpms) - exynos_crtc->ops->dpms(exynos_crtc, mode); + exynos_crtc->ops->dpms(exynos_crtc, DRM_MODE_DPMS_ON); - exynos_crtc->dpms = mode; + exynos_crtc->enabled = true; - if (mode == DRM_MODE_DPMS_ON) - drm_crtc_vblank_on(crtc); + drm_crtc_vblank_on(crtc); } static void exynos_drm_crtc_disable(struct drm_crtc *crtc) { + struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); struct drm_plane *plane; int ret; - exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); + if (!exynos_crtc->enabled) + return; + + /* wait for the completion of page flip. */ + if (!wait_event_timeout(exynos_crtc->pending_flip_queue, + (exynos_crtc->event == NULL), HZ/20)) + exynos_crtc->event = NULL; + + drm_crtc_vblank_off(crtc); + + if (exynos_crtc->ops->dpms) + exynos_crtc->ops->dpms(exynos_crtc, DRM_MODE_DPMS_OFF); + + exynos_crtc->enabled = false; drm_for_each_legacy_plane(plane, &crtc->dev->mode_config.plane_list) { if (plane->crtc != crtc) @@ -67,17 +68,6 @@ static void exynos_drm_crtc_disable(struct drm_crtc *crtc) } } -static void exynos_drm_crtc_commit(struct drm_crtc *crtc) -{ - struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); - struct exynos_drm_plane *exynos_plane = to_exynos_plane(crtc->primary); - - exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_ON); - - if (exynos_crtc->ops->win_commit) - exynos_crtc->ops->win_commit(exynos_crtc, exynos_plane->zpos); -} - static bool exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc, const struct drm_display_mode *mode, @@ -116,9 +106,8 @@ static void exynos_crtc_atomic_flush(struct drm_crtc *crtc) } static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = { - .dpms = exynos_drm_crtc_dpms, + .enable = exynos_drm_crtc_enable, .disable = exynos_drm_crtc_disable, - .commit = exynos_drm_crtc_commit, .mode_fixup = exynos_drm_crtc_mode_fixup, .mode_set_nofb = exynos_drm_crtc_mode_set_nofb, .atomic_begin = exynos_crtc_atomic_begin, @@ -163,7 +152,6 @@ struct exynos_drm_crtc *exynos_drm_crtc_create(struct drm_device *drm_dev, init_waitqueue_head(&exynos_crtc->pending_flip_queue); - exynos_crtc->dpms = DRM_MODE_DPMS_OFF; exynos_crtc->pipe = pipe; exynos_crtc->type = type; exynos_crtc->ops = ops; @@ -194,7 +182,7 @@ int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int pipe) struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(private->crtc[pipe]); - if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) + if (!exynos_crtc->enabled) return -EPERM; if (exynos_crtc->ops->enable_vblank) @@ -209,7 +197,7 @@ void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int pipe) struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(private->crtc[pipe]); - if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) + if (!exynos_crtc->enabled) return; if (exynos_crtc->ops->disable_vblank) |