diff options
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index c729af3b9822..a04499c4f9ca 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -95,11 +95,13 @@ static void mtk_drm_crtc_finish_page_flip(struct mtk_drm_crtc *mtk_crtc) struct drm_crtc *crtc = &mtk_crtc->base; unsigned long flags; - spin_lock_irqsave(&crtc->dev->event_lock, flags); - drm_crtc_send_vblank_event(crtc, mtk_crtc->event); - drm_crtc_vblank_put(crtc); - mtk_crtc->event = NULL; - spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + if (mtk_crtc->event) { + spin_lock_irqsave(&crtc->dev->event_lock, flags); + drm_crtc_send_vblank_event(crtc, mtk_crtc->event); + drm_crtc_vblank_put(crtc); + mtk_crtc->event = NULL; + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + } } static void mtk_drm_finish_page_flip(struct mtk_drm_crtc *mtk_crtc) @@ -213,6 +215,22 @@ static void mtk_drm_crtc_destroy_state(struct drm_crtc *crtc, kfree(to_mtk_crtc_state(state)); } +static enum drm_mode_status +mtk_drm_crtc_mode_valid(struct drm_crtc *crtc, + const struct drm_display_mode *mode) +{ + struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc); + enum drm_mode_status status = MODE_OK; + int i; + + for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) { + status = mtk_ddp_comp_mode_valid(mtk_crtc->ddp_comp[i], mode); + if (status != MODE_OK) + break; + } + return status; +} + static bool mtk_drm_crtc_mode_fixup(struct drm_crtc *crtc, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) @@ -831,6 +849,7 @@ static const struct drm_crtc_funcs mtk_crtc_funcs = { static const struct drm_crtc_helper_funcs mtk_crtc_helper_funcs = { .mode_fixup = mtk_drm_crtc_mode_fixup, .mode_set_nofb = mtk_drm_crtc_mode_set_nofb, + .mode_valid = mtk_drm_crtc_mode_valid, .atomic_begin = mtk_drm_crtc_atomic_begin, .atomic_flush = mtk_drm_crtc_atomic_flush, .atomic_enable = mtk_drm_crtc_atomic_enable, |