diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index db6c57900781..9f6ffd344693 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -572,6 +572,10 @@ static void _dpu_crtc_complete_flip(struct drm_crtc *crtc) spin_unlock_irqrestore(&dev->event_lock, flags); } +/** + * dpu_crtc_get_intf_mode - get interface mode of the given crtc + * @crtc: Pointert to crtc + */ enum dpu_intf_mode dpu_crtc_get_intf_mode(struct drm_crtc *crtc) { struct drm_encoder *encoder; @@ -594,6 +598,10 @@ enum dpu_intf_mode dpu_crtc_get_intf_mode(struct drm_crtc *crtc) return INTF_MODE_NONE; } +/** + * dpu_crtc_vblank_callback - called on vblank irq, issues completion events + * @crtc: Pointer to drm crtc object + */ void dpu_crtc_vblank_callback(struct drm_crtc *crtc) { struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc); @@ -704,6 +712,10 @@ void dpu_crtc_frame_event_cb(struct drm_crtc *crtc, u32 event) kthread_queue_work(priv->event_thread[crtc_id].worker, &fevent->work); } +/** + * dpu_crtc_complete_commit - callback signalling completion of current commit + * @crtc: Pointer to drm crtc object + */ void dpu_crtc_complete_commit(struct drm_crtc *crtc) { trace_dpu_crtc_complete_commit(DRMID(crtc)); @@ -934,6 +946,10 @@ static int _dpu_crtc_wait_for_frame_done(struct drm_crtc *crtc) return rc; } +/** + * dpu_crtc_commit_kickoff - trigger kickoff of the commit for this crtc + * @crtc: Pointer to drm crtc object + */ void dpu_crtc_commit_kickoff(struct drm_crtc *crtc) { struct drm_encoder *encoder; @@ -1230,6 +1246,24 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, return 0; } +static enum drm_mode_status dpu_crtc_mode_valid(struct drm_crtc *crtc, + const struct drm_display_mode *mode) +{ + struct dpu_kms *dpu_kms = _dpu_crtc_get_kms(crtc); + + /* + * max crtc width is equal to the max mixer width * 2 and max height is 4K + */ + return drm_mode_validate_size(mode, + 2 * dpu_kms->catalog->caps->max_mixer_width, + 4096); +} + +/** + * dpu_crtc_vblank - enable or disable vblanks for this crtc + * @crtc: Pointer to drm crtc object + * @en: true to enable vblanks, false to disable + */ int dpu_crtc_vblank(struct drm_crtc *crtc, bool en) { struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc); @@ -1445,10 +1479,19 @@ static const struct drm_crtc_helper_funcs dpu_crtc_helper_funcs = { .atomic_check = dpu_crtc_atomic_check, .atomic_begin = dpu_crtc_atomic_begin, .atomic_flush = dpu_crtc_atomic_flush, + .mode_valid = dpu_crtc_mode_valid, .get_scanout_position = dpu_crtc_get_scanout_position, }; -/* initialize crtc */ +/** + * dpu_crtc_init - create a new crtc object + * @dev: dpu device + * @plane: base plane + * @cursor: cursor plane + * @return: new crtc object or error + * + * initialize CRTC + */ struct drm_crtc *dpu_crtc_init(struct drm_device *dev, struct drm_plane *plane, struct drm_plane *cursor) { |