[PATCH v2 16/22] drm/msm/dpu: Configure CWB in writeback encoder

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Wed Sep 25 08:30:20 UTC 2024


On Tue, Sep 24, 2024 at 05:14:49PM GMT, Jessica Zhang wrote:
> 
> 
> On 9/24/2024 4:41 PM, Dmitry Baryshkov wrote:
> > On Tue, Sep 24, 2024 at 03:59:32PM GMT, Jessica Zhang wrote:
> > > Cache the CWB block mask in the DPU virtual encoder and configure CWB
> > > according to the CWB block mask within the writeback phys encoder
> > > 
> > > Signed-off-by: Jessica Zhang <quic_jesszhan at quicinc.com>
> > > ---
> > >   drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c        | 83 +++++++++++++++++++++-
> > >   drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h   | 16 ++++-
> > >   .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c    |  4 +-
> > >   3 files changed, 100 insertions(+), 3 deletions(-)
> > > 
> > > @@ -2557,6 +2630,14 @@ enum dpu_intf_mode dpu_encoder_get_intf_mode(struct drm_encoder *encoder)
> > >   	return INTF_MODE_NONE;
> > >   }
> > > +unsigned int dpu_encoder_helper_get_cwb(struct dpu_encoder_phys *phys_enc)
> > 
> > it's called get_cwb, but it returns a mask?
> 
> I'd based this function off of dpu_encoder_helper_get_dsc(), but I can
> rename this to *_get_cwb_mask() instead

Yes, please.

> 
> > 
> > > +{
> > > +	struct drm_encoder *encoder = phys_enc->parent;
> > > +	struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(encoder);
> > > +
> > > +	return dpu_enc->cwb_mask;
> > > +}
> > > +
> > >   unsigned int dpu_encoder_helper_get_dsc(struct dpu_encoder_phys *phys_enc)
> > >   {
> > >   	struct drm_encoder *encoder = phys_enc->parent;

-- 
With best wishes
Dmitry


More information about the dri-devel mailing list