From: Vinod Koul <vkoul@kernel.org>
To: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Rob Clark <robdclark@gmail.com>,
"open list:DRM DRIVER FOR MSM ADRENO GPU"
<linux-arm-msm@vger.kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
Jonathan Marek <jonathan@marek.ca>,
Abhinav Kumar <abhinavk@codeaurora.org>,
Jeffrey Hugo <jeffrey.l.hugo@gmail.com>,
Sumit Semwal <sumit.semwal@linaro.org>,
open list <linux-kernel@vger.kernel.org>,
"open list:DRM DRIVER FOR MSM ADRENO GPU"
<dri-devel@lists.freedesktop.org>,
freedreno <freedreno@lists.freedesktop.org>
Subject: Re: [PATCH v2 04/11] drm/msm/disp/dpu1: Add DSC support in RM
Date: Tue, 19 Oct 2021 21:55:59 +0530 [thread overview]
Message-ID: <YW7xlyuIq1vh4Fg2@matsya> (raw)
In-Reply-To: <CAA8EJprNTUrh66yqaOCoReWdwLcBc9LfMm=WNDi54o9nzd8RRA@mail.gmail.com>
On 19-10-21, 18:52, Dmitry Baryshkov wrote:
> On Tue, 19 Oct 2021 at 18:30, Vinod Koul <vkoul@kernel.org> wrote:
> >
> > On 14-10-21, 17:11, Dmitry Baryshkov wrote:
> > > On 07/10/2021 10:08, Vinod Koul wrote:
> >
> > > > +static int _dpu_rm_reserve_dsc(struct dpu_rm *rm,
> > > > + struct dpu_global_state *global_state,
> > > > + struct drm_encoder *enc)
> > > > +{
> > > > + struct msm_drm_private *priv;
> > > > +
> > > > + priv = enc->dev->dev_private;
> > > > +
> > > > + if (!priv)
> > > > + return -EIO;
> > > > +
> > > > + /* check if DSC is supported */
> > > > + if (!priv->dsc)
> > > > + return 0;
> > > > +
> > > > + /* check if DSC 0 & 1 and allocated or not */
> > > > + if (global_state->dsc_to_enc_id[0] || global_state->dsc_to_enc_id[1]) {
> > > > + DPU_ERROR("DSC 0|1 is already allocated\n");
> > > > + return -EIO;
> > > > + }
> > > > +
> > > > + global_state->dsc_to_enc_id[0] = enc->base.id;
> > > > + global_state->dsc_to_enc_id[1] = enc->base.id;
> > >
> > > Still hardcoding DSC_0 and DSC_1.
> >
> > Yes!
> >
> > > Could you please add num_dsc to the topology and allocate the requested
> > > amount of DSC blocks? Otherwise this would break for the DSI + DP case.
> >
> > It wont as we check for dsc and dont proceed, so it cant make an impact
> > in non dsc case.
> >
> > Nevertheless I agree with you, so I am making it based on dsc defined in
> > topology. Do we need additional field for num_dsc in topology, num_enc
> > should be it, right?
>
> I'd vote for the separate num_dsc.
Okay will update... will move up topology patch up in the order for that
as well
--
~Vinod
next prev parent reply other threads:[~2021-10-19 16:26 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-07 7:08 [PATCH v2 00/11] drm/msm: Add Display Stream Compression Support Vinod Koul
2021-10-07 7:08 ` [PATCH v2 01/11] drm/msm/dsi: add support for dsc data Vinod Koul
2021-10-25 14:43 ` Dmitry Baryshkov
2021-10-07 7:08 ` [PATCH v2 02/11] drm/msm/disp/dpu1: Add support for DSC Vinod Koul
2021-10-14 14:40 ` Dmitry Baryshkov
2021-10-19 14:07 ` Vinod Koul
2021-10-07 7:08 ` [PATCH v2 03/11] drm/msm/disp/dpu1: Add support for DSC in pingpong block Vinod Koul
2021-10-14 13:30 ` Dmitry Baryshkov
2021-10-07 7:08 ` [PATCH v2 04/11] drm/msm/disp/dpu1: Add DSC support in RM Vinod Koul
2021-10-14 14:11 ` Dmitry Baryshkov
2021-10-19 15:30 ` Vinod Koul
2021-10-19 15:52 ` Dmitry Baryshkov
2021-10-19 16:25 ` Vinod Koul [this message]
2021-10-07 7:08 ` [PATCH v2 05/11] drm/msm/disp/dpu1: Add DSC for SDM845 to hw_catalog Vinod Koul
2021-10-14 13:33 ` Dmitry Baryshkov
2021-10-07 7:08 ` [PATCH v2 06/11] drm/msm/disp/dpu1: Don't use DSC with mode_3d Vinod Koul
2021-10-14 13:41 ` Dmitry Baryshkov
2021-10-14 13:50 ` Dmitry Baryshkov
2021-10-20 6:57 ` Vinod Koul
2021-10-25 14:40 ` Dmitry Baryshkov
2021-10-25 16:10 ` Vinod Koul
2021-10-25 18:33 ` Dmitry Baryshkov
2021-10-07 7:08 ` [PATCH v2 07/11] drm/msm/disp/dpu1: Add DSC support in hw_ctl Vinod Koul
2021-10-14 14:06 ` Dmitry Baryshkov
2021-10-20 9:19 ` Vinod Koul
2021-10-07 7:08 ` [PATCH v2 08/11] drm/msm/disp/dpu1: Add support for DSC in encoder Vinod Koul
2021-10-25 14:44 ` Dmitry Baryshkov
2021-10-07 7:08 ` [PATCH v2 09/11] drm/msm/disp/dpu1: Add support for DSC in topology Vinod Koul
2021-10-14 14:13 ` Dmitry Baryshkov
2021-10-25 14:37 ` Dmitry Baryshkov
2021-10-25 16:11 ` Vinod Koul
2021-10-07 7:08 ` [PATCH v2 10/11] drm/msm/dsi: Add support for DSC configuration Vinod Koul
2021-10-14 23:18 ` Dmitry Baryshkov
2021-10-20 11:53 ` Vinod Koul
2021-10-07 7:09 ` [PATCH v2 11/11] drm/msm/dsi: Pass DSC params to drm_panel Vinod Koul
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