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([184.22.25.116]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d022a46969sm28820085ad.25.2026.07.30.08.36.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Jul 2026 08:36:17 -0700 (PDT) From: Tharit Tangkijwanichakul To: Detlev Casanova , Ezequiel Garcia Cc: Mauro Carvalho Chehab , Heiko Stuebner , Nicolas Dufresne , Hans Verkuil , linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-kernel-mentees@lists.linux.dev, skhan@linuxfoundation.org, me@brighamcampbell.com, jkoolstra@xs4all.nl, Tharit Tangkijwanichakul Subject: [PATCH] media: rkvdec: fix v4l2-compliance failure Date: Thu, 30 Jul 2026 15:36:03 +0000 Message-ID: <20260730153603.5721-1-tharitt97@gmail.com> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit rkvdec fails v4l2-compliance in two tests related to V4L2_CID_STATELESS_HEVC_SPS. The Control ioctls test reads the control with GET_EXT_CTRLS and writes the same value back; TRY_EXT_CTRLS then returns -EINVAL because the VDPU38x rkvdec_hevc_validate_sps() rejects sps->chroma_format_idc == 0, which is the value returned when the control has no default. v4l2-compliance 1.33.0-5491, 64 bits, 64-bit time_t v4l2-compliance SHA: b32589c51481 2026-07-16 08:51:38 Control ioctls: fail: v4l2-test-controls.cpp(942): try_ext_ctrls returned an error (22) test VIDIOC_G/S/TRY_EXT_CTRLS: FAIL Buffer ioctls: fail: v4l2-test-buffers.cpp(3102): node->streamon(q.g_type()) fail: v4l2-test-buffers.cpp(3157): testBlockingDQBuf(node, m2m_q) test blocking wait: FAIL Provide a control default via p_def with chroma_format_idc = 1 (4:2:0), which is the only value the VDPU38x SPS validation accepts. This fixes both the Control ioctls and the Buffer ioctls failures. Tested on Radxa Rock 5B (RK3588). Fixes: c9a59dc2acc7 ("media: rkvdec: Add HEVC support for the VDPU381 variant") Signed-off-by: Tharit Tangkijwanichakul --- drivers/media/platform/rockchip/rkvdec/rkvdec.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/media/platform/rockchip/rkvdec/rkvdec.c b/drivers/media/platform/rockchip/rkvdec/rkvdec.c index 1d1e9bfef8e9..37603f049788 100644 --- a/drivers/media/platform/rockchip/rkvdec/rkvdec.c +++ b/drivers/media/platform/rockchip/rkvdec/rkvdec.c @@ -236,6 +236,10 @@ static const struct rkvdec_ctrls rkvdec_hevc_ctrls = { .num_ctrls = ARRAY_SIZE(rkvdec_hevc_ctrl_descs), }; +static struct v4l2_ctrl_hevc_sps vdpu38x_hevc_sps_default = { + .chroma_format_idc = 1, +}; + static const struct rkvdec_ctrl_desc vdpu38x_hevc_ctrl_descs[] = { { .cfg.id = V4L2_CID_STATELESS_HEVC_DECODE_PARAMS, @@ -243,6 +247,7 @@ static const struct rkvdec_ctrl_desc vdpu38x_hevc_ctrl_descs[] = { { .cfg.id = V4L2_CID_STATELESS_HEVC_SPS, .cfg.ops = &rkvdec_ctrl_ops, + .cfg.p_def.p_hevc_sps = &vdpu38x_hevc_sps_default, }, { .cfg.id = V4L2_CID_STATELESS_HEVC_PPS, -- 2.47.3