From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: Marijn Suijten <marijn.suijten@somainline.org>
Cc: phone-devel@vger.kernel.org, "Rob Clark" <robdclark@gmail.com>,
"Abhinav Kumar" <quic_abhinavk@quicinc.com>,
"Vinod Koul" <vkoul@kernel.org>,
~postmarketos/upstreaming@lists.sr.ht,
"AngeloGioacchino Del Regno"
<angelogioacchino.delregno@somainline.org>,
"Konrad Dybcio" <konrad.dybcio@somainline.org>,
"Martin Botka" <martin.botka@somainline.org>,
"Jami Kettunen" <jami.kettunen@somainline.org>,
"Sean Paul" <sean@poorly.run>, "David Airlie" <airlied@gmail.com>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Stephen Boyd" <swboyd@chromium.org>,
"Bjorn Andersson" <andersson@kernel.org>,
"Jessica Zhang" <quic_jesszhan@quicinc.com>,
"Ville Syrjälä" <ville.syrjala@linux.intel.com>,
"Kuogee Hsieh" <quic_khsieh@quicinc.com>,
"Jani Nikula" <jani.nikula@intel.com>,
sunliming <sunliming@kylinos.cn>,
"Sam Ravnborg" <sam@ravnborg.org>,
"Haowen Bai" <baihaowen@meizu.com>,
"Konrad Dybcio" <konrad.dybcio@linaro.org>,
"Loic Poulain" <loic.poulain@linaro.org>,
"Vinod Polimera" <quic_vpolimer@quicinc.com>,
"Douglas Anderson" <dianders@chromium.org>,
"Vladimir Lypak" <vladimir.lypak@gmail.com>,
linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 6/8] drm/msm/dpu: Remove num_enc from topology struct in favour of num_dsc
Date: Mon, 9 Jan 2023 11:08:09 +0200 [thread overview]
Message-ID: <CAA8EJppTfJ6LnTEUWVASk1U6v3OX3MH71vuOhUk_Aa_HoraQ_w@mail.gmail.com> (raw)
In-Reply-To: <20230109082118.v2abyucljztsflxj@SoMainline.org>
On Mon, 9 Jan 2023 at 10:21, Marijn Suijten
<marijn.suijten@somainline.org> wrote:
>
> On 2023-01-09 01:31:57, Dmitry Baryshkov wrote:
> > On 22/12/2022 01:19, Marijn Suijten wrote:
> > > Downstream calls this num_enc yet the DSC patches introduced a new
> > > num_dsc struct member, leaving num_enc effectively unused.
> > >
> > > Fixes: 7e9cc175b159 ("drm/msm/disp/dpu1: Add support for DSC in topology")
> > > Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
> > > ---
> > > drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 9 ++++-----
> > > drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 4 ++--
> > > drivers/gpu/drm/msm/msm_drv.h | 2 --
> > > 3 files changed, 6 insertions(+), 9 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> > > index 9c6817b5a194..a158cd502d38 100644
> > > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> > > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> > > @@ -579,19 +579,18 @@ static struct msm_display_topology dpu_encoder_get_topology(
> > > topology.num_dspp = topology.num_lm;
> > > }
> > >
> > > - topology.num_enc = 0;
> > > topology.num_intf = intf_count;
> > >
> > > if (dpu_enc->dsc) {
> > > - /* In case of Display Stream Compression (DSC), we would use
> > > - * 2 encoders, 2 layer mixers and 1 interface
> > > + /*
> > > + * In case of Display Stream Compression (DSC), we would use
> > > + * 2 DSC encoders, 2 layer mixers and 1 interface
> > > * this is power optimal and can drive up to (including) 4k
> > > * screens
> > > */
> > > - topology.num_enc = 2;
> > > topology.num_dsc = 2;
> > > - topology.num_intf = 1;
> > > topology.num_lm = 2;
> > > + topology.num_intf = 1;
> >
> > Unless there is a reason, please move num_intf assignment back while
> > preparing v3.
>
> The assignment was reordered to match the order described in the comment
> right above, such that this reads more naturally. Not sure if it's
> worth sending that as a separate fix, or drop it entirely.
I see. Sounds logical then. Let's keep it as is.
>
> > With that fixed:
> >
> > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
>
> <snip>
--
With best wishes
Dmitry
next prev parent reply other threads:[~2023-01-09 9:13 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-21 23:19 [PATCH v2 0/8] drm/msm: DSC Electric Boogaloo for sm8[12]50 Marijn Suijten
2022-12-21 23:19 ` [PATCH v2 1/8] drm/msm/dpu: Wire up DSC mask for active CTL configuration Marijn Suijten
2023-01-08 23:23 ` Dmitry Baryshkov
2022-12-21 23:19 ` [PATCH v2 2/8] drm/msm/dsi: Use DSC slice(s) packet size to compute word count Marijn Suijten
2022-12-21 23:19 ` [PATCH v2 3/8] drm/msm/dsi: Flip greater-than check for slice_count and slice_per_intf Marijn Suijten
2022-12-21 23:19 ` [PATCH v2 4/8] drm/msm/dpu: Disallow unallocated resources to be returned Marijn Suijten
2023-01-08 23:28 ` Dmitry Baryshkov
2023-01-08 23:30 ` Dmitry Baryshkov
2023-01-09 8:23 ` Marijn Suijten
2023-01-09 9:06 ` Dmitry Baryshkov
2023-01-09 17:12 ` Marijn Suijten
2023-01-09 18:24 ` Dmitry Baryshkov
2022-12-21 23:19 ` [PATCH v2 5/8] drm/msm/dpu: Reject topologies for which no DSC blocks are available Marijn Suijten
2023-01-08 23:29 ` Dmitry Baryshkov
2022-12-21 23:19 ` [PATCH v2 6/8] drm/msm/dpu: Remove num_enc from topology struct in favour of num_dsc Marijn Suijten
2023-01-08 23:31 ` Dmitry Baryshkov
2023-01-09 8:21 ` Marijn Suijten
2023-01-09 9:08 ` Dmitry Baryshkov [this message]
2022-12-21 23:19 ` [PATCH v2 7/8] drm/msm/dpu: Implement DSC binding to PP block for CTL V1 Marijn Suijten
2022-12-21 23:19 ` [PATCH v2 8/8] drm/msm/dpu: Add DSC configuration for SM8150 and SM8250 Marijn Suijten
2023-01-05 14:49 ` [PATCH v2 0/8] drm/msm: DSC Electric Boogaloo for sm8[12]50 Daniel Vetter
2023-01-09 7:59 ` Marijn Suijten
2023-01-09 22:41 ` Dmitry Baryshkov
2023-01-09 23:43 ` Dmitry Baryshkov
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