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Message-ID: <e02ab5098878f4c59cecb84a277fb89fb5ca9da1.camel@mediatek.com>
Date: Fri, 6 May 2022 17:26:27 +0800
From: "yunfei.dong@...iatek.com" <yunfei.dong@...iatek.com>
To: Hans Verkuil <hverkuil-cisco@...all.nl>,
Alexandre Courbot <acourbot@...omium.org>,
Nicolas Dufresne <nicolas@...fresne.ca>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Benjamin Gaignard <benjamin.gaignard@...labora.com>,
Tiffany Lin <tiffany.lin@...iatek.com>,
Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
"Tomasz Figa" <tfiga@...gle.com>
CC: George Sun <george.sun@...iatek.com>,
Xiaoyong Lu <xiaoyong.lu@...iatek.com>,
Hsin-Yi Wang <hsinyi@...omium.org>,
"Fritz Koenig" <frkoenig@...omium.org>,
Daniel Vetter <daniel@...ll.ch>,
dri-devel <dri-devel@...ts.freedesktop.org>,
Irui Wang <irui.wang@...iatek.com>,
Steve Cho <stevecho@...omium.org>,
<linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
<Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [DKIM] [PATCH v10, 00/15] media: mtk-vcodec: support for M8192
decoder
Hi Hans,
Thanks for your suggestion.
I will fix below check fails in patch v11.
Best Regards,
Yunfei Dong
On Fri, 2022-04-29 at 11:44 +0200, Hans Verkuil wrote:
> Hi Yunfei,
>
> On 26/04/2022 12:08, Yunfei Dong wrote:
> > This series adds support for mt8192 h264/vp8/vp9 decoder drivers.
> > Firstly, refactor
> > power/clock/interrupt interfaces for mt8192 is lat and core
> > architecture.
> >
> > Secondly, add new functions to get frame buffer size and resolution
> > according
> > to decoder capability from scp side. Then add callback function to
> > get/put
> > capture buffer in order to enable lat and core decoder in parallel,
> > need to
> > adjust GStreamer at the same time.
> >
> > Then add to support MT21C compressed mode and fix v4l2-compliance
> > fail.
> >
> > Next, extract H264 request api driver to let mt8183 and mt8192 use
> > the same
> > code, and adds mt8192 frame based h264 driver for stateless
> > decoder.
> >
> > Lastly, add vp8 and vp9 stateless decoder drivers.
> >
> > Patches 1 refactor power/clock/interrupt interface.
> > Patches 2~4 get frame buffer size and resolution according to
> > decoder capability.
> > Patches 5 set capture queue bytesused.
> > Patches 6 adjust GStreamer.
> > Patch 7~11 add to support MT21C compressed mode and fix v4l2-
> > compliance fail.
> > patch 12 record capture queue format type.
> > Patch 13~14 extract h264 driver and add mt8192 frame based driver
> > for h264 decoder.
> > Patch 15~16 add vp8 and vp9 stateless decoder drivers.
> > Patch 17 prevent kernel crash when rmmod mtk-vcodec-dec.ko
>
> I'm getting loads of sparse and smatch warnings/errors:
>
> SPARSE:/home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.
> c
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.
> c:20:28: warning: incorrect type in argument 1 (different address
> spaces)
> SPARSE:/home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.
> c
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.
> c:176:21: warning: incorrect type in argument 1 (different address
> spaces)
> SPARSE:/home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.
> c
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.
> c:179:21: warning: incorrect type in argument 1 (different address
> spaces)
> SPARSE:/home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_i
> f.c
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_i
> f.c:463:26: warning: incorrect type in argument 1 (different address
> spaces)
> SPARSE:/home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_i
> f.c
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_i
> f.c:647:60: warning: incorrect type in argument 2 (different address
> spaces)
> SPARSE:/home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_i
> f.c
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_i
> f.c:723:30: warning: incorrect type in argument 1 (different address
> spaces)
> SPARSE:/home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_i
> f.c
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_i
> f.c:740:48: warning: incorrect type in argument 2 (different address
> spaces)
> SPARSE:/home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> :1995:44: warning: incorrect type in argument 2 (different address
> spaces)
> SPARSE:/home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> :532:34: warning: incorrect type in argument 2 (different address
> spaces)
> SPARSE:/home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> :673:40: warning: incorrect type in argument 2 (different address
> spaces)
> SPARSE:/home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> :674:48: warning: incorrect type in argument 2 (different address
> spaces)
> SPARSE:/home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> :675:45: warning: incorrect type in argument 2 (different address
> spaces)
> SPARSE:/home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> :678:37: warning: incorrect type in argument 2 (different address
> spaces)
> SPARSE:/home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> :684:21: warning: incorrect type in argument 1 (different address
> spaces)
> SPARSE:/home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> :1912:45: warning: Using plain integer as NULL pointer
> SPARSE:/home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> :1924:44: warning: incorrect type in argument 2 (different address
> spaces)
>
>
> smatch: ERRORS
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> :
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> :1192 vdec_vp9_slice_map_counts_eob_coef() error: buffer overflow
> 'counts->coef_probs[i][j][k]->band_0'
> 3 <= 5
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> :
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> :1194 vdec_vp9_slice_map_counts_eob_coef() error: buffer overflow
> 'counts->eob_branch[i][j][k]->band_0'
> 3 <= 5
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> :
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> :1196 vdec_vp9_slice_map_counts_eob_coef() error: buffer overflow
> 'counts->coef_probs[i][j][k]->band_0'
> 3 <= 5
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> :
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> :2018 vdec_vp9_slice_core_decode() error: we previously assumed 'pfc'
> could be null (see line 1963)
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_i
> f.c:
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_i
> f.c:700 vdec_h264_slice_single_decode() warn: unsigned
> 'nal_start_idx' is never less than zero.
>
> And also one compile warning when compiling on a 32 bit platform
> (i.e. arm or i686):
>
> In file included from /home/hans/work/build/media-
> git/include/linux/kernel.h:29,
> from /home/hans/work/build/media-
> git/include/linux/cpumask.h:10,
> from /home/hans/work/build/media-
> git/include/linux/mm_types_task.h:14,
> from /home/hans/work/build/media-
> git/include/linux/mm_types.h:5,
> from /home/hans/work/build/media-
> git/include/linux/buildid.h:5,
> from /home/hans/work/build/media-
> git/include/linux/module.h:14,
> from /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_i
> f.c:7:
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_i
> f.c: In function 'vdec_h264_slice_single_decode':
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_i
> f.c:684:76: warning: cast from pointer to integer of different size
> [-Wpointer-to-int-cast]
> 684 | inst->ctx->decoded_frame_cnt,
> y_fb_dma, c_fb_dma, (u64)fb);
> |
> ^
> /home/hans/work/build/media-git/include/linux/printk.h:418:33: note:
> in definition of macro 'printk_index_wrap'
> 418 | _p_func(_fmt,
> ##__VA_ARGS__); \
> | ^~~~~~~~~~~
> /home/hans/work/build/media-git/include/linux/printk.h:132:17: note:
> in expansion of macro 'printk'
> 132 | printk(fmt, ##__VA_ARGS__); \
> | ^~~~~~
> /home/hans/work/build/media-git/include/linux/printk.h:576:9: note:
> in expansion of macro 'no_printk'
> 576 | no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
> | ^~~~~~~~~
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/../mtk_vcodec_util.h:
> 45:9: note: in expansion of macro 'pr_debug'
> 45 | pr_debug("[MTK_VCODEC][%d]: " fmt
> "\n", \
> | ^~~~~~~~
> /home/hans/work/build/media-
> git/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_i
> f.c:683:9: note: in expansion of macro 'mtk_vcodec_debug'
> 683 | mtk_vcodec_debug(inst, "+ [%d] FB y_dma=%llx
> c_dma=%llx va=0x%llx",
> | ^~~~~~~~~~~~~~~~
>
> Regards,
>
> Hans
>
> > ---
> > changes compared with v9:
> > - fix kernel robot build fail for patch 16
> > changes compared with v8:
> > - fix vp9 build error
> > - fix kernel-doc fail
> > changes compared with v7:
> > - adjust GStreamer, separate src buffer done with
> > v4l2_ctrl_request_complete for patch 6.
> > - remove v4l2_m2m_set_dst_buffered.
> > - add new patch to set each plane bytesused in buf prepare for
> > patch 5.
> > - using upstream interface to update vp9 prob tables for patch 16.
> > - fix maintainer comments.
> > - test the driver with chrome VD and GStreamer(H264/VP9/VP8/AV1).
> > changes compared with v6:
> > - rebase to the latest media stage and fix conficts
> > - fix memcpy to memcpy_fromio or memcpy_toio
> > - fix h264 crash when test field bitstream
> > changes compared with v5:
> > - fix vp9 comments for patch 15
> > - fix vp8 comments for patch 14.
> > - fix comments for patch 12.
> > - fix build errors.
> > changes compared with v4:
> > - fix checkpatch.pl fail.
> > - fix kernel-doc fail.
> > - rebase to the latest media codec driver.
> > changes compared with v3:
> > - remove enum mtk_chip for patch 2.
> > - add vp8 stateless decoder drivers for patch 14.
> > - add vp9 stateless decoder drivers for patch 15.
> > changes compared with v2:
> > - add new patch 11 to record capture queue format type.
> > - separate patch 4 according to tzung-bi's suggestion.
> > - re-write commit message for patch 5 according to tzung-bi's
> > suggestion.
> > changes compared with v1:
> > - rewrite commit message for patch 12.
> > - rewrite cover-letter message.
> > ---
> > Yunfei Dong (17):
> > media: mediatek: vcodec: Add vdec enable/disable hardware helpers
> > media: mediatek: vcodec: Using firmware type to separate
> > different
> > firmware architecture
> > media: mediatek: vcodec: get capture queue buffer size from scp
> > media: mediatek: vcodec: Read max resolution from dec_capability
> > media: mediatek: vcodec: set each plane bytesused in buf prepare
> > media: mediatek: vcodec: Refactor get and put capture buffer flow
> > media: mediatek: vcodec: Refactor supported vdec formats and
> > framesizes
> > media: mediatek: vcodec: Getting supported decoder format types
> > media: mediatek: vcodec: Add format to support MT21C
> > media: mediatek: vcodec: disable vp8 4K capability
> > media: mediatek: vcodec: Fix v4l2-compliance fail
> > media: mediatek: vcodec: record capture queue format type
> > media: mediatek: vcodec: Extract H264 common code
> > media: mediatek: vcodec: support stateless H.264 decoding for
> > mt8192
> > media: mediatek: vcodec: support stateless VP8 decoding
> > media: mediatek: vcodec: support stateless VP9 decoding
> > media: mediatek: vcodec: prevent kernel crash when rmmod
> > mtk-vcodec-dec.ko
> >
> > .../media/platform/mediatek/vcodec/Makefile | 4 +
> > .../platform/mediatek/vcodec/mtk_vcodec_dec.c | 62 +-
> > .../mediatek/vcodec/mtk_vcodec_dec_drv.c | 8 +-
> > .../mediatek/vcodec/mtk_vcodec_dec_pm.c | 166 +-
> > .../mediatek/vcodec/mtk_vcodec_dec_pm.h | 6 +-
> > .../mediatek/vcodec/mtk_vcodec_dec_stateful.c | 19 +-
> > .../vcodec/mtk_vcodec_dec_stateless.c | 257 ++-
> > .../platform/mediatek/vcodec/mtk_vcodec_drv.h | 41 +-
> > .../mediatek/vcodec/mtk_vcodec_enc_drv.c | 5 -
> > .../platform/mediatek/vcodec/mtk_vcodec_fw.c | 6 +
> > .../platform/mediatek/vcodec/mtk_vcodec_fw.h | 1 +
> > .../vcodec/vdec/vdec_h264_req_common.c | 310 +++
> > .../vcodec/vdec/vdec_h264_req_common.h | 274 +++
> > .../mediatek/vcodec/vdec/vdec_h264_req_if.c | 438 +---
> > .../vcodec/vdec/vdec_h264_req_multi_if.c | 626 +++++
> > .../mediatek/vcodec/vdec/vdec_vp8_req_if.c | 437 ++++
> > .../vcodec/vdec/vdec_vp9_req_lat_if.c | 2031
> > +++++++++++++++++
> > .../platform/mediatek/vcodec/vdec_drv_if.c | 37 +-
> > .../platform/mediatek/vcodec/vdec_drv_if.h | 3 +
> > .../platform/mediatek/vcodec/vdec_ipi_msg.h | 36 +
> > .../platform/mediatek/vcodec/vdec_msg_queue.c | 2 +
> > .../platform/mediatek/vcodec/vdec_msg_queue.h | 2 +
> > .../platform/mediatek/vcodec/vdec_vpu_if.c | 53 +-
> > .../platform/mediatek/vcodec/vdec_vpu_if.h | 15 +
> > .../platform/mediatek/vcodec/venc_vpu_if.c | 2 +-
> > include/linux/remoteproc/mtk_scp.h | 2 +
> > 26 files changed, 4242 insertions(+), 601 deletions(-)
> > create mode 100644
> > drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.c
> > create mode 100644
> > drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.h
> > create mode 100644
> > drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_multi_if.
> > c
> > create mode 100644
> > drivers/media/platform/mediatek/vcodec/vdec/vdec_vp8_req_if.c
> > create mode 100644
> > drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
> >
>
>
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