diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c | 75 |
1 files changed, 26 insertions, 49 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c index be185fe69793..a301e2833177 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c @@ -13,6 +13,8 @@ #include "dpu_trace.h" #include "disp/msm_disp_snapshot.h" +#include <drm/drm_managed.h> + #define DPU_DEBUG_CMDENC(e, fmt, ...) DPU_DEBUG("enc%d intf%d " fmt, \ (e) && (e)->base.parent ? \ (e)->base.parent->base.id : -1, \ @@ -244,7 +246,8 @@ static int dpu_encoder_phys_cmd_control_vblank_irq( return -EINVAL; } - refcount = atomic_read(&phys_enc->vblank_refcount); + mutex_lock(&phys_enc->vblank_ctl_lock); + refcount = phys_enc->vblank_refcount; /* Slave encoders don't report vblank */ if (!dpu_encoder_phys_cmd_is_master(phys_enc)) @@ -260,16 +263,24 @@ static int dpu_encoder_phys_cmd_control_vblank_irq( phys_enc->hw_pp->idx - PINGPONG_0, enable ? "true" : "false", refcount); - if (enable && atomic_inc_return(&phys_enc->vblank_refcount) == 1) - ret = dpu_core_irq_register_callback(phys_enc->dpu_kms, - phys_enc->irq[INTR_IDX_RDPTR], - dpu_encoder_phys_cmd_te_rd_ptr_irq, - phys_enc); - else if (!enable && atomic_dec_return(&phys_enc->vblank_refcount) == 0) - ret = dpu_core_irq_unregister_callback(phys_enc->dpu_kms, - phys_enc->irq[INTR_IDX_RDPTR]); + if (enable) { + if (phys_enc->vblank_refcount == 0) + ret = dpu_core_irq_register_callback(phys_enc->dpu_kms, + phys_enc->irq[INTR_IDX_RDPTR], + dpu_encoder_phys_cmd_te_rd_ptr_irq, + phys_enc); + if (!ret) + phys_enc->vblank_refcount++; + } else if (!enable) { + if (phys_enc->vblank_refcount == 1) + ret = dpu_core_irq_unregister_callback(phys_enc->dpu_kms, + phys_enc->irq[INTR_IDX_RDPTR]); + if (!ret) + phys_enc->vblank_refcount--; + } end: + mutex_unlock(&phys_enc->vblank_ctl_lock); if (ret) { DRM_ERROR("vblank irq err id:%u pp:%d ret:%d, enable %s/%d\n", DRMID(phys_enc->parent), @@ -285,7 +296,7 @@ static void dpu_encoder_phys_cmd_irq_control(struct dpu_encoder_phys *phys_enc, { trace_dpu_enc_phys_cmd_irq_ctrl(DRMID(phys_enc->parent), phys_enc->hw_pp->idx - PINGPONG_0, - enable, atomic_read(&phys_enc->vblank_refcount)); + enable, phys_enc->vblank_refcount); if (enable) { dpu_core_irq_register_callback(phys_enc->dpu_kms, @@ -558,14 +569,6 @@ static void dpu_encoder_phys_cmd_disable(struct dpu_encoder_phys *phys_enc) phys_enc->enable_state = DPU_ENC_DISABLED; } -static void dpu_encoder_phys_cmd_destroy(struct dpu_encoder_phys *phys_enc) -{ - struct dpu_encoder_phys_cmd *cmd_enc = - to_dpu_encoder_phys_cmd(phys_enc); - - kfree(cmd_enc); -} - static void dpu_encoder_phys_cmd_prepare_for_kickoff( struct dpu_encoder_phys *phys_enc) { @@ -681,33 +684,6 @@ static int dpu_encoder_phys_cmd_wait_for_commit_done( return _dpu_encoder_phys_cmd_wait_for_ctl_start(phys_enc); } -static int dpu_encoder_phys_cmd_wait_for_vblank( - struct dpu_encoder_phys *phys_enc) -{ - int rc = 0; - struct dpu_encoder_phys_cmd *cmd_enc; - struct dpu_encoder_wait_info wait_info; - - cmd_enc = to_dpu_encoder_phys_cmd(phys_enc); - - /* only required for master controller */ - if (!dpu_encoder_phys_cmd_is_master(phys_enc)) - return rc; - - wait_info.wq = &cmd_enc->pending_vblank_wq; - wait_info.atomic_cnt = &cmd_enc->pending_vblank_cnt; - wait_info.timeout_ms = KICKOFF_TIMEOUT_MS; - - atomic_inc(&cmd_enc->pending_vblank_cnt); - - rc = dpu_encoder_helper_wait_for_irq(phys_enc, - phys_enc->irq[INTR_IDX_RDPTR], - dpu_encoder_phys_cmd_te_rd_ptr_irq, - &wait_info); - - return rc; -} - static void dpu_encoder_phys_cmd_handle_post_kickoff( struct dpu_encoder_phys *phys_enc) { @@ -731,12 +707,10 @@ static void dpu_encoder_phys_cmd_init_ops( ops->atomic_mode_set = dpu_encoder_phys_cmd_atomic_mode_set; ops->enable = dpu_encoder_phys_cmd_enable; ops->disable = dpu_encoder_phys_cmd_disable; - ops->destroy = dpu_encoder_phys_cmd_destroy; ops->control_vblank_irq = dpu_encoder_phys_cmd_control_vblank_irq; ops->wait_for_commit_done = dpu_encoder_phys_cmd_wait_for_commit_done; ops->prepare_for_kickoff = dpu_encoder_phys_cmd_prepare_for_kickoff; ops->wait_for_tx_complete = dpu_encoder_phys_cmd_wait_for_tx_complete; - ops->wait_for_vblank = dpu_encoder_phys_cmd_wait_for_vblank; ops->trigger_start = dpu_encoder_phys_cmd_trigger_start; ops->needs_single_flush = dpu_encoder_phys_cmd_needs_single_flush; ops->irq_control = dpu_encoder_phys_cmd_irq_control; @@ -746,7 +720,7 @@ static void dpu_encoder_phys_cmd_init_ops( ops->get_line_count = dpu_encoder_phys_cmd_get_line_count; } -struct dpu_encoder_phys *dpu_encoder_phys_cmd_init( +struct dpu_encoder_phys *dpu_encoder_phys_cmd_init(struct drm_device *dev, struct dpu_enc_phys_init_params *p) { struct dpu_encoder_phys *phys_enc = NULL; @@ -754,7 +728,7 @@ struct dpu_encoder_phys *dpu_encoder_phys_cmd_init( DPU_DEBUG("intf\n"); - cmd_enc = kzalloc(sizeof(*cmd_enc), GFP_KERNEL); + cmd_enc = drmm_kzalloc(dev, sizeof(*cmd_enc), GFP_KERNEL); if (!cmd_enc) { DPU_ERROR("failed to allocate\n"); return ERR_PTR(-ENOMEM); @@ -763,6 +737,9 @@ struct dpu_encoder_phys *dpu_encoder_phys_cmd_init( dpu_encoder_phys_init(phys_enc, p); + mutex_init(&phys_enc->vblank_ctl_lock); + phys_enc->vblank_refcount = 0; + dpu_encoder_phys_cmd_init_ops(&phys_enc->ops); phys_enc->intf_mode = INTF_MODE_CMD; cmd_enc->stream_sel = 0; |