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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:35:05 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:31 +0000 |
commit | 85c675d0d09a45a135bddd15d7b385f8758c32fb (patch) | |
tree | 76267dbc9b9a130337be3640948fe397b04ac629 /drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | |
parent | Adding upstream version 6.6.15. (diff) | |
download | linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip |
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c')
-rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c index c2189e58d..eeb0acf96 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c @@ -297,7 +297,7 @@ static void dpu_encoder_phys_vid_setup_timing_engine( programmable_fetch_config(phys_enc, &timing_params); } -static void dpu_encoder_phys_vid_vblank_irq(void *arg, int irq_idx) +static void dpu_encoder_phys_vid_vblank_irq(void *arg) { struct dpu_encoder_phys *phys_enc = arg; struct dpu_hw_ctl *hw_ctl; @@ -334,7 +334,7 @@ static void dpu_encoder_phys_vid_vblank_irq(void *arg, int irq_idx) DPU_ATRACE_END("vblank_irq"); } -static void dpu_encoder_phys_vid_underrun_irq(void *arg, int irq_idx) +static void dpu_encoder_phys_vid_underrun_irq(void *arg) { struct dpu_encoder_phys *phys_enc = arg; @@ -364,7 +364,8 @@ static int dpu_encoder_phys_vid_control_vblank_irq( int ret = 0; int refcount; - 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_vid_is_master(phys_enc)) @@ -377,18 +378,26 @@ static int dpu_encoder_phys_vid_control_vblank_irq( } DRM_DEBUG_VBL("id:%u enable=%d/%d\n", DRMID(phys_enc->parent), enable, - atomic_read(&phys_enc->vblank_refcount)); + 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_VSYNC], - dpu_encoder_phys_vid_vblank_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_VSYNC]); + if (enable) { + if (phys_enc->vblank_refcount == 0) + ret = dpu_core_irq_register_callback(phys_enc->dpu_kms, + phys_enc->irq[INTR_IDX_VSYNC], + dpu_encoder_phys_vid_vblank_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_VSYNC]); + if (!ret) + phys_enc->vblank_refcount--; + } end: + mutex_unlock(&phys_enc->vblank_ctl_lock); if (ret) { DRM_ERROR("failed: id:%u intf:%d ret:%d enable:%d refcnt:%d\n", DRMID(phys_enc->parent), @@ -618,7 +627,7 @@ static void dpu_encoder_phys_vid_irq_control(struct dpu_encoder_phys *phys_enc, trace_dpu_enc_phys_vid_irq_ctrl(DRMID(phys_enc->parent), phys_enc->hw_intf->idx - INTF_0, enable, - atomic_read(&phys_enc->vblank_refcount)); + phys_enc->vblank_refcount); if (enable) { ret = dpu_encoder_phys_vid_control_vblank_irq(phys_enc, true); @@ -713,6 +722,8 @@ struct dpu_encoder_phys *dpu_encoder_phys_vid_init( DPU_DEBUG_VIDENC(phys_enc, "\n"); dpu_encoder_phys_init(phys_enc, p); + mutex_init(&phys_enc->vblank_ctl_lock); + phys_enc->vblank_refcount = 0; dpu_encoder_phys_vid_init_ops(&phys_enc->ops); phys_enc->intf_mode = INTF_MODE_VIDEO; |