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Fri, 17 Apr 2026 02:37:52 -0700 (PDT) From: Neil Armstrong Date: Fri, 17 Apr 2026 11:37:45 +0200 Subject: [PATCH v2 5/6] media: qcom: iris: vdec: update find_format to handle 8bit and 10bit formats Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260417-topic-sm8x50-iris-10bit-decoding-v2-5-c987b65a31d5@linaro.org> References: <20260417-topic-sm8x50-iris-10bit-decoding-v2-0-c987b65a31d5@linaro.org> In-Reply-To: <20260417-topic-sm8x50-iris-10bit-decoding-v2-0-c987b65a31d5@linaro.org> To: Vikash Garodia , Dikshita Agarwal , Abhinav Kumar , Bryan O'Donoghue , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.15.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1868; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=tK9kidjyUePjkt2XPWz0LurMs4Gb/ujh22R0YE1LBJw=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBp4f9qQRvg2bjcxW/lnpfPet7WxhN+voL237r+ut4u yYJs5MCJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCaeH/agAKCRB33NvayMhJ0aQHD/ 9Mt0ZeI+lS809cX7PEoebxSr/Nw8Y6cqlQG0+SQsi/63oVAqyCZxYus8UbwrDfrGsZqCb72+pVaJrb 0jWsffvub6DgiOKKzYODhphHH5ArXVP2L10bYdC3EkQLtmvO1rbRMIQS3SNKCt8pYIaRshbWrW96uZ WYburfEw5vugM5KYQjWny95dfBjDhM4EHrnpG+EIGApLmr+E6LBvy3aOqF1auHv8NylXIqXmmmSmIl msoI6yTQ7vMzG3NUerl4TTm6F4QKJUULGkRteSmqISfdtEwZamPtg36wcC2ua/TtWWtRXfdTN2bEQT 9eAE9zZuPBfbCD/QKPs7HjOC9WoSPV6HGDGR4Rl925G8FMkChFGNKzaabS7/ELtUn6WUeRINhHIRbb UPlr4MfRP5KEdCuCEzXfKNc3BNJXYOeU99svHvqZlIkzhqM3FV1Wbia4VzNmSC2KgfVhaLNTTPRaXn 2HMDIX+MOTCUUpRw/qS5yweQS4JpArlS4kcQ4X/qEI1Q38SHLaKDlxSXecRyz54ghj9Dqgrhs7ICy1 vAZQiBIYhLcWbXVWqVne9aDlUYXX9sQuCKekBRH7nliZkmfZI8WE5Jfgv4jeN/FzDb0e1DrC8T+oBY qhHVouK3h0TsQywrUY5XUl1j4j8OHs3HQJ91RMcClw0lhJjdZFtVnFK2+fyA== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE The 10bit pixel format can be only used when the decoder identifies the stream as decoding into 10bit pixel format buffers, so update the find_format helper to filter the formats and only allow the proper formats when setting or trying a capture format. Signed-off-by: Neil Armstrong --- drivers/media/platform/qcom/iris/iris_platform_common.h | 1 + drivers/media/platform/qcom/iris/iris_vdec.c | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/drivers/media/platform/qcom/iris/iris_platform_common.h index 5a489917580e..cd3509da4b75 100644 --- a/drivers/media/platform/qcom/iris/iris_platform_common.h +++ b/drivers/media/platform/qcom/iris/iris_platform_common.h @@ -18,6 +18,7 @@ struct iris_inst; #define REGISTER_BIT_DEPTH(luma, chroma) ((luma) << 16 | (chroma)) #define BIT_DEPTH_8 REGISTER_BIT_DEPTH(8, 8) +#define BIT_DEPTH_10 REGISTER_BIT_DEPTH(10, 10) #define CODED_FRAMES_PROGRESSIVE 0x0 #define DEFAULT_MAX_HOST_BUF_COUNT 64 #define DEFAULT_MAX_HOST_BURST_BUF_COUNT 256 diff --git a/drivers/media/platform/qcom/iris/iris_vdec.c b/drivers/media/platform/qcom/iris/iris_vdec.c index 32cb75757f2e..55c4acf1aba3 100644 --- a/drivers/media/platform/qcom/iris/iris_vdec.c +++ b/drivers/media/platform/qcom/iris/iris_vdec.c @@ -105,6 +105,16 @@ find_format(struct iris_inst *inst, u32 pixfmt, u32 type) if (i == size || fmt[i].type != type) return NULL; + if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { + if (iris_fmt_is_8bit(fmt[i].pixfmt) && + inst->fw_caps[BIT_DEPTH].value == BIT_DEPTH_10) + return NULL; + + if (iris_fmt_is_10bit(fmt[i].pixfmt) && + inst->fw_caps[BIT_DEPTH].value != BIT_DEPTH_10) + return NULL; + } + return &fmt[i]; } -- 2.34.1