Re: [PATCH v2 11/16] drm/msm/dpu: add support to disable CDM block during encoder cleanup

Dmitry Baryshkov
2023-12-08T11:36:42Z

On Fri, 8 Dec 2023 at 07:07, Abhinav Kumar <quic_abhinavk@quicinc.com> wrote:
>
> In preparation of setting up CDM block, add the logic to disable it
> properly during encoder cleanup.
>
> changes in v2:
> - call update_pending_flush_cdm even when bind_pingpong_blk
> is not present
>
> Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 10 ++++++++++
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h | 2 ++
> 2 files changed, 12 insertions(+)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Minor nit below

>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> index aa1a1646b322..862912727925 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> @@ -26,6 +26,7 @@
> #include "dpu_hw_dspp.h"
> #include "dpu_hw_dsc.h"
> #include "dpu_hw_merge3d.h"
> +#include "dpu_hw_cdm.h"
> #include "dpu_formats.h"
> #include "dpu_encoder_phys.h"
> #include "dpu_crtc.h"
> @@ -2050,6 +2051,15 @@ void dpu_encoder_helper_phys_cleanup(struct dpu_encoder_phys *phys_enc)
> phys_enc->hw_pp->merge_3d->idx);
> }
>
> + if (phys_enc->hw_cdm) {
> + if (phys_enc->hw_cdm->ops.bind_pingpong_blk && phys_enc->hw_pp)
> + phys_enc->hw_cdm->ops.bind_pingpong_blk(phys_enc->hw_cdm,
> + false, phys_enc->hw_pp->idx);

PINGPONG_NONE

> + if (phys_enc->hw_ctl->ops.update_pending_flush_cdm)
> + phys_enc->hw_ctl->ops.update_pending_flush_cdm(phys_enc->hw_ctl,
> + phys_enc->hw_cdm->idx);
> + }
> +
> if (dpu_enc->dsc) {
> dpu_encoder_unprep_dsc(dpu_enc);
> dpu_enc->dsc = NULL;
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
> index b6b48e2c63ef..410f6225789c 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
> @@ -151,6 +151,7 @@ enum dpu_intr_idx {
> * @hw_pp: Hardware interface to the ping pong registers
> * @hw_intf: Hardware interface to the intf registers
> * @hw_wb: Hardware interface to the wb registers
> + * @hw_cdm: Hardware interface to the CDM registers
> * @dpu_kms: Pointer to the dpu_kms top level
> * @cached_mode: DRM mode cached at mode_set time, acted on in enable
> * @enabled: Whether the encoder has enabled and running a mode
> @@ -179,6 +180,7 @@ struct dpu_encoder_phys {
> struct dpu_hw_pingpong *hw_pp;
> struct dpu_hw_intf *hw_intf;
> struct dpu_hw_wb *hw_wb;
> + struct dpu_hw_cdm *hw_cdm;
> struct dpu_kms *dpu_kms;
> struct drm_display_mode cached_mode;
> enum dpu_enc_split_role split_role;
> --
> 2.40.1
>

--
With best wishes
Dmitry