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path: root/drivers/media/platform/qcom/iris/iris_vpu_buffer.c
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2026-01-20media: iris: Introduce buffer size calculations for vpu4Vikash Garodia
Introduces vp4 buffer size calculation for both encoder and decoder. Reuse the buffer size calculation which are common, while adding the vpu4 ones separately. Co-developed-by: Vishnu Reddy <busanna.reddy@oss.qualcomm.com> Signed-off-by: Vishnu Reddy <busanna.reddy@oss.qualcomm.com> Signed-off-by: Vikash Garodia <vikash.garodia@oss.qualcomm.com> Reviewed-by: Dikshita Agarwal <dikshita.agarwal@oss.qualcomm.com> Signed-off-by: Bryan O'Donoghue <bod@kernel.org> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
2026-01-20media: qcom: iris: Add rotation support for encoderWangao Wang
Add rotation control for encoder, enabling V4L2_CID_ROTATE and handling 90/180/270 degree rotation. Reviewed-by: Dikshita Agarwal <dikshita.agarwal@oss.qualcomm.com> Co-developed-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-HDK Signed-off-by: Wangao Wang <wangao.wang@oss.qualcomm.com> Signed-off-by: Bryan O'Donoghue <bod@kernel.org> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
2026-01-20media: qcom: iris: Add scale support for encoderWangao Wang
Add members enc_scale_width, enc_scale_height to the struct iris_inst to support scale requirements. Add output width and height settings in iris_venc_s_fmt_output to enable scaling functionality. Add VPSS buffer to platform data, which the scale function requires. Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Reviewed-by: Dikshita Agarwal <dikshita.agarwal@oss.qualcomm.com> Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-HDK Signed-off-by: Wangao Wang <wangao.wang@oss.qualcomm.com> Signed-off-by: Bryan O'Donoghue <bod@kernel.org> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
2026-01-14media: iris: Add internal buffer calculation for AV1 decoderDeepa Guthyappa Madivalara
Implement internal buffer count and size calculations for AV1 decoder for all the buffer types required by the AV1 decoder, including BIN, COMV, PERSIST, LINE, and PARTIAL. This ensures the hardware decoder has properly allocated memory for AV1 decoding operations, enabling correct AV1 video playback. Reviewed-by: Dikshita Agarwal <dikshita.agarwal@oss.qualcomm.com> Signed-off-by: Deepa Guthyappa Madivalara <deepa.madivalara@oss.qualcomm.com> Tested-by: Val Packett <val@packett.cool> Signed-off-by: Bryan O'Donoghue <bod@kernel.org> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
2025-09-10media: iris: add VPU33 specific encoding buffer calculationNeil Armstrong
The VPU33 found in the SM8650 Platform requires some slighly different buffer calculation for encoding to allow working with the latest firwware uploaded on linux-firmware at [1]. [1] https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=ece445af91bbee49bf0d8b23c2b99b596ae6eac7 Suggested-by: Vikash Garodia <quic_vgarodia@quicinc.com> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Reviewed-by: Vikash Garodia <quic_vgarodia@quicinc.com> Signed-off-by: Bryan O'Donoghue <bod@kernel.org> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
2025-09-10media: iris: Add support for buffer management ioctls for encoder deviceDikshita Agarwal
Implement support for queuing and dequeuing input and output buffers for the encoder video device using the appropriate V4L2 buffer management ioctls. This enables userspace applications to manage streaming buffers required for encoding operations. Tested-by: Vikash Garodia <quic_vgarodia@quicinc.com> # X1E80100 Reviewed-by: Vikash Garodia <quic_vgarodia@quicinc.com> Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-HDK Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com> Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> # x1e80100-crd [bod: drop dead code size_enc_single_pipe()] Signed-off-by: Bryan O'Donoghue <bod@kernel.org> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
2025-09-10media: iris: Allocate and queue internal buffers for encoder video deviceDikshita Agarwal
Add support for allocating and queuing internal buffers required by the encoder. The sizes of these buffers are derived from hardware specifications and are essential to meet the encoder's functional and performance requirements. These buffers are not exposed to userspace; they are allocated and managed internally to ensure correct and efficient hardware operation. Tested-by: Vikash Garodia <quic_vgarodia@quicinc.com> # X1E80100 Reviewed-by: Vikash Garodia <quic_vgarodia@quicinc.com> Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-HDK Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com> Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> # x1e80100-crd [bod: added sm8750 enc_op_int_buf_tbl enumeration during merge] Signed-off-by: Bryan O'Donoghue <bod@kernel.org> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
2025-09-10media: iris: Initialize and deinitialize encoder instance structureDikshita Agarwal
Introduce initialization and deinitialization for internal encoder instance structure with necessary hooks. Tested-by: Vikash Garodia <quic_vgarodia@quicinc.com> # X1E80100 Reviewed-by: Vikash Garodia <quic_vgarodia@quicinc.com> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-HDK Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com> Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> # x1e80100-crd Signed-off-by: Bryan O'Donoghue <bod@kernel.org> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
2025-07-03media: iris: Add internal buffer calculation for HEVC and VP9 decodersDikshita Agarwal
Add internal buffer count and size calculations for HEVC and VP9 decoders. Acked-by: Vikash Garodia <quic_vgarodia@quicinc.com> Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-QRD Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-HDK Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com> Tested-by: Vikash Garodia <quic_vgarodia@quicinc.com> # on sa8775p-ride Signed-off-by: Bryan O'Donoghue <bod@kernel.org> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> [hverkuil: add __maybe_unused to size_mp2d_lb_fe_top_data]
2025-02-07media: iris: allocate, initialize and queue internal buffersDikshita Agarwal
Implement the functions for creating, queueing, releasing and destroying the buffers for internal usage. Tested-by: Stefan Schmidt <stefan.schmidt@linaro.org> # x1e80100 (Dell XPS 13 9345) Reviewed-by: Stefan Schmidt <stefan.schmidt@linaro.org> Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
2025-02-07media: iris: implement set properties to firmware during streamonVedang Nagar
During the stream on operation, set some mandatory properties on the firmware to start a session. Set all v4l2 properties, which are set by the client, on to firmware, which is prepared with the dependency graph. Signed-off-by: Vedang Nagar <quic_vnagar@quicinc.com> Tested-by: Stefan Schmidt <stefan.schmidt@linaro.org> # x1e80100 (Dell XPS 13 9345) Reviewed-by: Stefan Schmidt <stefan.schmidt@linaro.org> Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
2025-02-07media: iris: implement reqbuf ioctl with vb2_queue_setupDikshita Agarwal
Implement the reqbuf IOCTL op and the vb2_queue_setup vb2 op in the driver with necessary hooks. Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl> Tested-by: Stefan Schmidt <stefan.schmidt@linaro.org> # x1e80100 (Dell XPS 13 9345) Reviewed-by: Stefan Schmidt <stefan.schmidt@linaro.org> Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>