The array of CRTC in the struct msm_drm_private duplicates a list of CRTCs in the drm_device. Drop it and use the existing list for CRTC enumeration. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> --- This was a part of https://patchwork.freedesktop.org/series/105302/ Changes since v6: - Dropped applied patches - Dropped msm_drm_thread::crtc as suggested by Abhinav --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 2 +- drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c | 2 +- drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c | 2 +- drivers/gpu/drm/msm/msm_drv.c | 42 ++++++++++++------------ drivers/gpu/drm/msm/msm_drv.h | 2 -- 5 files changed, 24 insertions(+), 26 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 0e7a68714e9e..5073f8d60e2f 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -773,7 +773,7 @@ static int _dpu_kms_drm_obj_init(struct dpu_kms *dpu_kms) ret = PTR_ERR(crtc); return ret; } - priv->crtcs[priv->num_crtcs++] = crtc; + priv->num_crtcs++; } /* All CRTCs are compatible with all encoders */ diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c index 6e37072ed302..b6201ae5b42e 100644 --- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c +++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c @@ -332,7 +332,7 @@ static int modeset_init(struct mdp4_kms *mdp4_kms) goto fail; } - priv->crtcs[priv->num_crtcs++] = crtc; + priv->num_crtcs++; } /* diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c index 29ae5c9613f3..c1aab7e1a890 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c @@ -497,7 +497,7 @@ static int modeset_init(struct mdp5_kms *mdp5_kms) DRM_DEV_ERROR(dev->dev, "failed to construct crtc %d (%d)\n", i, ret); goto fail; } - priv->crtcs[priv->num_crtcs++] = crtc; + priv->num_crtcs++; } /* diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index b4cfa44a8a5c..ca6b38c778af 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -155,7 +155,7 @@ static void msm_irq_uninstall(struct drm_device *dev) struct msm_vblank_work { struct work_struct work; - int crtc_id; + struct drm_crtc *crtc; bool enable; struct msm_drm_private *priv; }; @@ -168,15 +168,15 @@ static void vblank_ctrl_worker(struct work_struct *work) struct msm_kms *kms = priv->kms; if (vbl_work->enable) - kms->funcs->enable_vblank(kms, priv->crtcs[vbl_work->crtc_id]); + kms->funcs->enable_vblank(kms, vbl_work->crtc); else - kms->funcs->disable_vblank(kms, priv->crtcs[vbl_work->crtc_id]); + kms->funcs->disable_vblank(kms, vbl_work->crtc); kfree(vbl_work); } static int vblank_ctrl_queue_work(struct msm_drm_private *priv, - int crtc_id, bool enable) + struct drm_crtc *crtc, bool enable) { struct msm_vblank_work *vbl_work; @@ -186,7 +186,7 @@ static int vblank_ctrl_queue_work(struct msm_drm_private *priv, INIT_WORK(&vbl_work->work, vblank_ctrl_worker); - vbl_work->crtc_id = crtc_id; + vbl_work->crtc = crtc; vbl_work->enable = enable; vbl_work->priv = priv; @@ -407,7 +407,8 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv) struct msm_drm_private *priv = dev_get_drvdata(dev); struct drm_device *ddev; struct msm_kms *kms; - int ret, i; + struct drm_crtc *crtc; + int ret; if (drm_firmware_drivers_only()) return -ENODEV; @@ -494,20 +495,21 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv) ddev->mode_config.funcs = &mode_config_funcs; ddev->mode_config.helper_private = &mode_config_helper_funcs; - for (i = 0; i < priv->num_crtcs; i++) { + drm_for_each_crtc(crtc, ddev) { + struct msm_drm_thread *ev_thread; + /* initialize event thread */ - priv->event_thread[i].crtc_id = priv->crtcs[i]->base.id; - priv->event_thread[i].dev = ddev; - priv->event_thread[i].worker = kthread_create_worker(0, - "crtc_event:%d", priv->event_thread[i].crtc_id); - if (IS_ERR(priv->event_thread[i].worker)) { - ret = PTR_ERR(priv->event_thread[i].worker); + ev_thread = &priv->event_thread[drm_crtc_index(crtc)]; + ev_thread->dev = ddev; + ev_thread->worker = kthread_create_worker(0, "crtc_event:%d", crtc->base.id); + if (IS_ERR(ev_thread->worker)) { + ret = PTR_ERR(ev_thread->worker); DRM_DEV_ERROR(dev, "failed to create crtc_event kthread\n"); - priv->event_thread[i].worker = NULL; + ev_thread->worker = NULL; goto err_msm_uninit; } - sched_set_fifo(priv->event_thread[i].worker->task); + sched_set_fifo(ev_thread->worker->task); } ret = drm_vblank_init(ddev, priv->num_crtcs); @@ -639,25 +641,23 @@ static void msm_postclose(struct drm_device *dev, struct drm_file *file) int msm_crtc_enable_vblank(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; - unsigned int pipe = crtc->index; struct msm_drm_private *priv = dev->dev_private; struct msm_kms *kms = priv->kms; if (!kms) return -ENXIO; - drm_dbg_vbl(dev, "crtc=%u", pipe); - return vblank_ctrl_queue_work(priv, pipe, true); + drm_dbg_vbl(dev, "crtc=%u", crtc->base.id); + return vblank_ctrl_queue_work(priv, crtc, true); } void msm_crtc_disable_vblank(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; - unsigned int pipe = crtc->index; struct msm_drm_private *priv = dev->dev_private; struct msm_kms *kms = priv->kms; if (!kms) return; - drm_dbg_vbl(dev, "crtc=%u", pipe); - vblank_ctrl_queue_work(priv, pipe, false); + drm_dbg_vbl(dev, "crtc=%u", crtc->base.id); + vblank_ctrl_queue_work(priv, crtc, false); } /* diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index e13a8cbd61c9..5d56ca99c1c5 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -97,7 +97,6 @@ struct msm_display_topology { /* Commit/Event thread specific structure */ struct msm_drm_thread { struct drm_device *dev; - unsigned int crtc_id; struct kthread_worker *worker; }; @@ -198,7 +197,6 @@ struct msm_drm_private { struct workqueue_struct *wq; unsigned int num_crtcs; - struct drm_crtc *crtcs[MAX_CRTCS]; struct msm_drm_thread event_thread[MAX_CRTCS]; -- 2.39.2
