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[194.152.27.116]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48e71a4d3cesm23362309f8f.7.2026.11.02.09.03.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Nov 2026 09:03:12 -0800 (PST) From: Jernej Skrabec To: Mauro Carvalho Chehab , Hans Verkuil Cc: Maxime Ripard , Paul Kocialkowski , Greg Kroah-Hartman , Chen-Yu Tsai , Samuel Holland , Nicolas Dufresne , linux-media@vger.kernel.org, linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Jernej Skrabec Subject: [PATCH 00/10] staging: media: cedrus: assorted fixes and VP8 4K support Date: Mon, 2 Nov 2026 18:02:53 +0100 Message-ID: <20261102170303.1973892-1-jernej.skrabec@gmail.com> X-Mailer: git-send-email 2.56.0 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This series fixes a number of bugs in the Cedrus driver, found while running the conformance suites and comparing with the vendor library, mostly on H616. Patches 1-9 are fixes: - patch 1 fixes MV-col buffer leak when the file handle is closed without STREAMOFF, - patches 2 and 7 validate H.264/HEVC SPS and VP8 frame size against the hardware limits and allocated capture buffers, preventing memory overruns and hardware hangs, - patch 3 marks H.264 long-term references, which fixes MR8_BT_B and MR9_BT_B conformance samples, - patches 4-6 fix MPEG-2 field picture decoding (field height, field order detection and references of the second field), - patch 8 enlarges VP8 probability table to the size used by the vendor libraries, since the hardware uses the area past it as scratch space, - patch 9 switches H616 to the 256-bit DDR mode, which fixes corrupted reference chroma in H.264 and VP8. Patch 10 is new functionality: VP8 decoding of frames wider than 2048 pixels. Please take a look. Best regards, Jernej Jernej Skrabec (10): staging: media: cedrus: free MV-col buffers in buf_cleanup staging: media: cedrus: reject too large H.264/HEVC SPS staging: media: cedrus: h264: mark long-term references in the frame info staging: media: cedrus: mpeg2: use the field height for field pictures staging: media: cedrus: mpeg2: derive the field order of field pictures staging: media: cedrus: mpeg2: fix the references of field pictures staging: media: cedrus: validate VP8 frame size staging: media: cedrus: vp8: use the vendor probability table size staging: media: cedrus: h616: use the 256-bit DDR mode staging: media: cedrus: vp8: support frames wider than 2048 pixels drivers/staging/media/sunxi/cedrus/cedrus.c | 60 +++++++++++++++- drivers/staging/media/sunxi/cedrus/cedrus.h | 15 ++++ .../staging/media/sunxi/cedrus/cedrus_h264.c | 40 +++++++---- .../staging/media/sunxi/cedrus/cedrus_h265.c | 28 ++++---- .../staging/media/sunxi/cedrus/cedrus_hw.c | 14 ++-- .../staging/media/sunxi/cedrus/cedrus_mpeg2.c | 72 ++++++++++++++++--- .../staging/media/sunxi/cedrus/cedrus_regs.h | 8 +++ .../staging/media/sunxi/cedrus/cedrus_video.c | 15 ++-- .../staging/media/sunxi/cedrus/cedrus_video.h | 5 ++ .../staging/media/sunxi/cedrus/cedrus_vp8.c | 66 ++++++++++++++++- 10 files changed, 276 insertions(+), 47 deletions(-) base-commit: 27285b099fbc5cb2ae3aef20f3bbd7b3c88b3005 -- 2.43.0