From: Daniel Vetter <daniel@ffwll.ch>
To: Marijn Suijten <marijn.suijten@somainline.org>
Cc: phone-devel@vger.kernel.org, "Rob Clark" <robdclark@gmail.com>,
"Abhinav Kumar" <quic_abhinavk@quicinc.com>,
"Dmitry Baryshkov" <dmitry.baryshkov@linaro.org>,
"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 0/8] drm/msm: DSC Electric Boogaloo for sm8[12]50
Date: Thu, 5 Jan 2023 15:49:58 +0100 [thread overview]
Message-ID: <Y7bjlgjpX+21Dm0i@phenom.ffwll.local> (raw)
In-Reply-To: <20221221231943.1961117-1-marijn.suijten@somainline.org>
On Thu, Dec 22, 2022 at 12:19:35AM +0100, Marijn Suijten wrote:
> This preliminary Display Stream Compression support package for
> (initially tested on) sm8[12]50 is based on comparing DSC behaviour
> between downstream and mainline. Some new callbacks are added (for
> binding blocks on active CTLs), logic bugs are corrected, zeroed struct
> members are now assigned proper values, and RM allocation and hw block
> retrieval now hand out (or not) DSC blocks without causing null-pointer
> dereferences.
>
> Unfortunately it is not yet enough to get rid of completely corrupted
> display output on the boards I tested here:
> - Sony Xperia 1 (sm8150), 1644x3840 or 1096x2560 pixels;
> - Sony Xperia 5II (sm8250), 1080x2520, at 60 or 120Hz;
> - (can include more Xperia boards if desired)
>
> Both devices use the DUALPIPE_DSCMERGE topology downstream: dual LM, PP
> and DSC, but only a single INTF/encoder/DSI-link.
>
> Hopefully this spawns some community/upstream interest to help rootcause
> our corruption issues (after we open a drm/msm report on GitLab for more
> appropriate tracking).
>
> The Sony Xperia XZ3 (sdm845) was fully tested and validated with this
> series to not cause any regressions (and one of the math fixes now
> allows us to change slice_count in the panel driver, which would corrupt
> previously).
>
> Changes since v1:
>
> - Split patch 6 into two separately backportable Fixes: patches;
> - Additionally remove num_enc from msm_display_topology in favour of
> num_dsc;
> - Reorder patches to have all Fixes: at the beginning for easier
> picking;
> - Fix existing multiline comment while editing it anyway;
> - Add missing Signed-off-by to patch 5.
Please note that Electric Boogaloo/Boogaloo Boys has been appropriated by
US alt-right groups, and so is really not a great thing to put into the
cover letter for your patch series. For the next round, please use a meme
that isn't tarnished like this.
Thanks, Daniel
>
> v1: https://lore.kernel.org/linux-arm-msm/20221213232207.113607-1-marijn.suijten@somainline.org/T/#u
>
> Marijn Suijten (8):
> drm/msm/dpu: Wire up DSC mask for active CTL configuration
> drm/msm/dsi: Use DSC slice(s) packet size to compute word count
> drm/msm/dsi: Flip greater-than check for slice_count and
> slice_per_intf
> drm/msm/dpu: Disallow unallocated resources to be returned
> drm/msm/dpu: Reject topologies for which no DSC blocks are available
> drm/msm/dpu: Remove num_enc from topology struct in favour of num_dsc
> drm/msm/dpu: Implement DSC binding to PP block for CTL V1
> drm/msm/dpu: Add DSC configuration for SM8150 and SM8250
>
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 12 +++++----
> .../drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c | 1 +
> .../drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 1 +
> .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 23 +++++++++++-----
> .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 9 +++++++
> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c | 27 +++++++++++++++++++
> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h | 4 +++
> drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 14 ++++++++--
> drivers/gpu/drm/msm/dsi/dsi_host.c | 7 ++---
> drivers/gpu/drm/msm/msm_drv.h | 2 --
> 10 files changed, 82 insertions(+), 18 deletions(-)
>
> --
> 2.39.0
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
next prev parent reply other threads:[~2023-01-05 14:50 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
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 ` Daniel Vetter [this message]
2023-01-09 7:59 ` [PATCH v2 0/8] drm/msm: DSC Electric Boogaloo for sm8[12]50 Marijn Suijten
2023-01-09 22:41 ` Dmitry Baryshkov
2023-01-09 23:43 ` Dmitry Baryshkov
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