Re: [PATCH] drm/msm/dpu: guard ctl irq callback register/unregister

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On 5/9/2024 10:52 AM, Barnabás Czémán wrote:
CTLs on older qualcomm SOCs like msm8953 and msm8996 has not got interrupts,
so better to skip CTL irq callback register/unregister
make dpu_ctl_cfg be able to define without intr_start.


Thanks for the patch.

Have msm8953 and msm8996 migrated to DPU or is there a series planned to migrate them?

The change itself is correct but without the catalogs for those chipsets merged, we will never hit this path.


Signed-off-by: Barnabás Czémán <trabarni@xxxxxxxxx>
---
  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c | 4 ++--
  1 file changed, 2 insertions(+), 2 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 489be1c0c704..250d83af53a4 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
@@ -298,7 +298,7 @@ static void dpu_encoder_phys_cmd_irq_enable(struct dpu_encoder_phys *phys_enc)
  				       phys_enc);
  	dpu_encoder_phys_cmd_control_vblank_irq(phys_enc, true);
- if (dpu_encoder_phys_cmd_is_master(phys_enc))
+	if (dpu_encoder_phys_cmd_is_master(phys_enc) && phys_enc->irq[INTR_IDX_CTL_START])
  		dpu_core_irq_register_callback(phys_enc->dpu_kms,
  					       phys_enc->irq[INTR_IDX_CTL_START],
  					       dpu_encoder_phys_cmd_ctl_start_irq,
@@ -311,7 +311,7 @@ static void dpu_encoder_phys_cmd_irq_disable(struct dpu_encoder_phys *phys_enc)
  					   phys_enc->hw_pp->idx - PINGPONG_0,
  					   phys_enc->vblank_refcount);
- if (dpu_encoder_phys_cmd_is_master(phys_enc))
+	if (dpu_encoder_phys_cmd_is_master(phys_enc) && phys_enc->irq[INTR_IDX_CTL_START])
  		dpu_core_irq_unregister_callback(phys_enc->dpu_kms,
  						 phys_enc->irq[INTR_IDX_CTL_START]);
---
base-commit: 704ba27ac55579704ba1289392448b0c66b56258
change-id: 20240509-ctl_irq-a90b2d7a0bf5

Best regards,




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