linux-kernel - Re: [PATCH v2 09/11] drm/msm/disp/dpu1: Add support for DSC in topology

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Message-ID: <YXbXTRZZFLKYsqnC@matsya>
Date:   Mon, 25 Oct 2021 21:41:57 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     Rob Clark <robdclark@...il.com>, linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Jonathan Marek <jonathan@...ek.ca>,
        Abhinav Kumar <abhinavk@...eaurora.org>,
        Jeffrey Hugo <jeffrey.l.hugo@...il.com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org
Subject: Re: [PATCH v2 09/11] drm/msm/disp/dpu1: Add support for DSC in
 topology

On 25-10-21, 17:37, Dmitry Baryshkov wrote:
> On 14/10/2021 17:13, Dmitry Baryshkov wrote:
> > On 07/10/2021 10:08, Vinod Koul wrote:

> > > @@ -572,8 +574,22 @@ static struct msm_display_topology
> > > dpu_encoder_get_topology(
> > >       topology.num_enc = 0;
> > >       topology.num_intf = intf_count;
> > > +    drm_enc = &dpu_enc->base;
> > > +    priv = drm_enc->dev->dev_private;
> > > +    if (priv && priv->dsc) {
> > > +        /* In case of Display Stream Compression DSC, we would use
> > > +         * 2 encoders, 2 line mixers and 1 interface
> > > +         * this is power optimal and can drive upto (including) 4k
> > > +         * screens
> > > +         */
> > > +        topology.num_enc = 2;
> > > +        topology.num_intf = 1;
> > > +        topology.num_lm = 2;
> > 
> > So, here you'd set the topology.num_rm.
> 
> I meant 'num_dsc', please excuse the typo.

No worries, i had assumed such and made it num_dsc

-- 
~Vinod