[v4,23/28] media: iris: add support for drain sequence

Message ID	20241014-qcom-video-iris-v4-v4-23-c5eaa4e9ab9e@quicinc.com
State	Superseded
Headers	show Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CBFD91ABEC6; Mon, 14 Oct 2024 09:09:29 +0000 (UTC) From: Dikshita Agarwal <quic_dikshita@quicinc.com> Date: Mon, 14 Oct 2024 14:37:44 +0530 Subject: [PATCH v4 23/28] media: iris: add support for drain sequence Precedence: bulk MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <20241014-qcom-video-iris-v4-v4-23-c5eaa4e9ab9e@quicinc.com> References: <20241014-qcom-video-iris-v4-v4-0-c5eaa4e9ab9e@quicinc.com> In-Reply-To: <20241014-qcom-video-iris-v4-v4-0-c5eaa4e9ab9e@quicinc.com> To: Vikash Garodia <quic_vgarodia@quicinc.com>, Abhinav Kumar <quic_abhinavk@quicinc.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, "Rob Herring" <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>, "Conor Dooley" <conor+dt@kernel.org>, Philipp Zabel <p.zabel@pengutronix.de> CC: Hans Verkuil <hverkuil@xs4all.nl>, Sebastian Fricke <sebastian.fricke@collabora.com>, <linux-arm-msm@vger.kernel.org>, <linux-media@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, Dikshita Agarwal <quic_dikshita@quicinc.com>
Series	[v4,01/28] dt-bindings: media: Add video support for QCOM SM8550 SoC \| expand [v4,01/28] dt-bindings: media: Add video support for QCOM SM8550 SoC [v4,03/28] media: iris: implement iris v4l2 file ops [v4,05/28] media: iris: implement video firmware load/unload [v4,07/28] media: iris: introduce host firmware interface with necessary hooks [v4,10/28] media: iris: implement s_fmt, g_fmt and try_fmt ioctls [v4,11/28] media: iris: implement g_selection ioctl [v4,13/28] media: iris: implement subscribe_event and unsubscribe_event ioctls [v4,15/28] media: iris: implement query_cap, query_ctrl and query_menu ioctls [v4,18/28] media: iris: subscribe parameters and properties to firmware for hfi_gen2 [v4,19/28] media: iris: allocate, initialize and queue internal buffers [v4,21/28] media: iris: add support for dynamic resolution change [v4,23/28] media: iris: add support for drain sequence [v4,24/28] media: iris: add check whether the video session is supported or not [v4,26/28] media: iris: add check to allow sub states transitions [v4,28/28] media: MAINTAINERS: add Qualcomm iris video accelerator driver

diff --git a/drivers/media/platform/qcom/iris/iris_hfi_common.h b/drivers/media/platform/qcom/iris/iris_hfi_common.h index ef76207aa749..5bd7073a2d9b 100644 --- a/drivers/media/platform/qcom/iris/iris_hfi_common.h +++ b/drivers/media/platform/qcom/iris/iris_hfi_common.h @@ -121,6 +121,8 @@ struct iris_hfi_command_ops { int (*session_pause)(struct iris_inst *inst, u32 plane); int (*session_resume_drc)(struct iris_inst *inst, u32 plane); int (*session_stop)(struct iris_inst *inst, u32 plane); + int (*session_drain)(struct iris_inst *inst, u32 plane); + int (*session_resume_drain)(struct iris_inst *inst, u32 plane); int (*session_close)(struct iris_inst *inst); }; diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c index 8fd4495b42d8..ef65a1301a79 100644 --- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c @@ -368,6 +368,18 @@ static int iris_hfi_gen1_session_unset_buffers(struct iris_inst *inst, struct ir return ret; } +static int iris_hfi_gen1_session_drain(struct iris_inst *inst, u32 plane) +{ + struct hfi_session_empty_buffer_compressed_pkt ip_pkt = {0}; + + ip_pkt.shdr.hdr.size = sizeof(struct hfi_session_empty_buffer_compressed_pkt); + ip_pkt.shdr.hdr.pkt_type = HFI_CMD_SESSION_EMPTY_BUFFER; + ip_pkt.shdr.session_id = inst->session_id; + ip_pkt.flags = HFI_BUFFERFLAG_EOS; + + return iris_hfi_queue_cmd_write(inst->core, &ip_pkt, ip_pkt.shdr.hdr.size); +} + static int iris_hfi_gen1_packet_session_set_property(struct hfi_session_set_property_pkt *packet, struct iris_inst *inst, u32 ptype, void *pdata) @@ -789,6 +801,7 @@ static const struct iris_hfi_command_ops iris_hfi_gen1_command_ops = { .session_release_buf = iris_hfi_gen1_session_unset_buffers, .session_resume_drc = iris_hfi_gen1_session_continue, .session_stop = iris_hfi_gen1_session_stop, + .session_drain = iris_hfi_gen1_session_drain, .session_close = iris_hfi_gen1_session_close, }; diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_defines.h b/drivers/media/platform/qcom/iris/iris_hfi_gen1_defines.h index 48d0d8e4dfe5..7f910fa0bfd7 100644 --- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_defines.h +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_defines.h @@ -49,6 +49,7 @@ #define HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES 0x1000002 #define HFI_EVENT_SESSION_SEQUENCE_CHANGED 0x1000003 +#define HFI_BUFFERFLAG_EOS 0x00000001 #define HFI_BUFFERFLAG_TIMESTAMPINVALID 0x00000100 #define HFI_FLUSH_OUTPUT 0x1000002 diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c b/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c index a0b47d7594b9..f4bb0d5d1665 100644 --- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c @@ -377,6 +377,7 @@ static void iris_hfi_gen1_session_ftb_done(struct iris_inst *inst, void *packet) struct hfi_msg_session_fbd_uncompressed_plane0_pkt *pkt = packet; struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx; struct v4l2_m2m_buffer *m2m_buffer, *n; + struct hfi_session_flush_pkt flush_pkt; u32 timestamp_hi = pkt->time_stamp_hi; u32 timestamp_lo = pkt->time_stamp_lo; struct iris_core *core = inst->core; @@ -385,11 +386,25 @@ static void iris_hfi_gen1_session_ftb_done(struct iris_inst *inst, void *packet) u32 output_tag = pkt->output_tag; struct iris_buffer *buf, *iter; struct iris_buffers *buffers; + u32 hfi_flags = pkt->flags; u32 offset = pkt->offset; u64 timestamp_us = 0; bool found = false; u32 flags = 0; + if ((hfi_flags & HFI_BUFFERFLAG_EOS) && !filled_len) { + reinit_completion(&inst->flush_completion); + + flush_pkt.shdr.hdr.size = sizeof(struct hfi_session_flush_pkt); + flush_pkt.shdr.hdr.pkt_type = HFI_CMD_SESSION_FLUSH; + flush_pkt.shdr.session_id = inst->session_id; + flush_pkt.flush_type = HFI_FLUSH_OUTPUT; + iris_hfi_queue_cmd_write(core, &flush_pkt, flush_pkt.shdr.hdr.size); + iris_inst_sub_state_change_drain_last(inst); + + return; + } + if (iris_split_mode_enabled(inst) && pkt->stream_id == 0) { buffers = &inst->buffers[BUF_DPB]; if (!buffers) diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c b/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c index 8efc6a70a57a..a908b41e2868 100644 --- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c @@ -774,6 +774,47 @@ static int iris_hfi_gen2_session_resume_drc(struct iris_inst *inst, u32 plane) inst_hfi_gen2->packet->size); } +static int iris_hfi_gen2_session_resume_drain(struct iris_inst *inst, u32 plane) +{ + struct iris_inst_hfi_gen2 *inst_hfi_gen2 = to_iris_inst_hfi_gen2(inst); + u32 payload = HFI_CMD_DRAIN; + + iris_hfi_gen2_packet_session_command(inst, + HFI_CMD_RESUME, + (HFI_HOST_FLAGS_RESPONSE_REQUIRED | + HFI_HOST_FLAGS_INTR_REQUIRED), + iris_hfi_gen2_get_port(plane), + inst->session_id, + HFI_PAYLOAD_U32, + &payload, + sizeof(u32)); + + return iris_hfi_queue_cmd_write(inst->core, inst_hfi_gen2->packet, + inst_hfi_gen2->packet->size); +} + +static int iris_hfi_gen2_session_drain(struct iris_inst *inst, u32 plane) +{ + struct iris_inst_hfi_gen2 *inst_hfi_gen2 = to_iris_inst_hfi_gen2(inst); + + if (!V4L2_TYPE_IS_OUTPUT(plane)) + return 0; + + iris_hfi_gen2_packet_session_command(inst, + HFI_CMD_DRAIN, + (HFI_HOST_FLAGS_RESPONSE_REQUIRED | + HFI_HOST_FLAGS_INTR_REQUIRED | + HFI_HOST_FLAGS_NON_DISCARDABLE), + iris_hfi_gen2_get_port(plane), + inst->session_id, + HFI_PAYLOAD_NONE, + NULL, + 0); + + return iris_hfi_queue_cmd_write(inst->core, inst_hfi_gen2->packet, + inst_hfi_gen2->packet->size); +} + static u32 iris_hfi_gen2_buf_type_from_driver(enum iris_buffer_type buffer_type) { switch (buffer_type) { @@ -900,6 +941,8 @@ static const struct iris_hfi_command_ops iris_hfi_gen2_command_ops = { .session_pause = iris_hfi_gen2_session_pause, .session_resume_drc = iris_hfi_gen2_session_resume_drc, .session_stop = iris_hfi_gen2_session_stop, + .session_drain = iris_hfi_gen2_session_drain, + .session_resume_drain = iris_hfi_gen2_session_resume_drain, .session_close = iris_hfi_gen2_session_close, }; diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h b/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h index 0aaba5f1ce91..72d41445d765 100644 --- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h @@ -17,6 +17,7 @@ #define HFI_CMD_CLOSE 0x01000004 #define HFI_CMD_START 0x01000005 #define HFI_CMD_STOP 0x01000006 +#define HFI_CMD_DRAIN 0x01000007 #define HFI_CMD_RESUME 0x01000008 #define HFI_CMD_BUFFER 0x01000009 #define HFI_CMD_SUBSCRIBE_MODE 0x0100000B @@ -79,6 +80,7 @@ #define HFI_INFO_UNSUPPORTED 0x06000001 #define HFI_INFO_DATA_CORRUPT 0x06000002 #define HFI_INFO_BUFFER_OVERFLOW 0x06000004 +#define HFI_INFO_HFI_FLAG_DRAIN_LAST 0x06000006 #define HFI_INFO_HFI_FLAG_PSC_LAST 0x06000007 #define HFI_INFORMATION_END 0x06FFFFFF diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c b/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c index 4891a513a297..61d6cbd4e0e4 100644 --- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c @@ -201,6 +201,10 @@ static int iris_hfi_gen2_handle_session_info(struct iris_inst *inst, info = "buffer overflow"; inst_hfi_gen2->hfi_frame_info.overflow = 1; break; + case HFI_INFO_HFI_FLAG_DRAIN_LAST: + info = "drain last flag"; + ret = iris_inst_sub_state_change_drain_last(inst); + break; case HFI_INFO_HFI_FLAG_PSC_LAST: info = "drc last flag"; ret = iris_inst_sub_state_change_drc_last(inst); @@ -334,6 +338,12 @@ static int iris_hfi_gen2_handle_output_buffer(struct iris_inst *inst, bool found = false; int ret; + if (hfi_buffer->flags & HFI_BUF_FW_FLAG_LAST) { + ret = iris_inst_sub_state_change_drain_last(inst); + if (ret) + return ret; + } + if (hfi_buffer->flags & HFI_BUF_FW_FLAG_PSC_LAST) { ret = iris_inst_sub_state_change_drc_last(inst); if (ret) @@ -422,6 +432,21 @@ static int iris_hfi_gen2_handle_release_internal_buffer(struct iris_inst *inst, return ret; } +static int iris_hfi_gen2_handle_session_stop(struct iris_inst *inst, + struct iris_hfi_packet *pkt) +{ + int ret = 0; + + if (pkt->port == HFI_PORT_RAW) + ret = iris_inst_sub_state_change_pause(inst, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); + else if (pkt->port == HFI_PORT_BITSTREAM) + ret = iris_inst_sub_state_change_pause(inst, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); + + complete(&inst->completion); + + return ret; +} + static int iris_hfi_gen2_handle_session_buffer(struct iris_inst *inst, struct iris_hfi_packet *pkt) { @@ -450,6 +475,22 @@ static int iris_hfi_gen2_handle_session_buffer(struct iris_inst *inst, return iris_hfi_gen2_handle_release_internal_buffer(inst, buffer); } +static int iris_hfi_gen2_handle_session_drain(struct iris_inst *inst, + struct iris_hfi_packet *pkt) +{ + int ret = 0; + + if (!(pkt->flags & HFI_FW_FLAGS_SUCCESS)) { + iris_inst_change_state(inst, IRIS_INST_ERROR); + return 0; + } + + if (inst->sub_state & IRIS_INST_SUB_DRAIN) + ret = iris_inst_change_sub_state(inst, 0, IRIS_INST_SUB_INPUT_PAUSE); + + return ret; +} + static void iris_hfi_gen2_read_input_subcr_params(struct iris_inst *inst) { struct iris_inst_hfi_gen2 *inst_hfi_gen2 = to_iris_inst_hfi_gen2(inst); @@ -560,7 +601,7 @@ static int iris_hfi_gen2_handle_session_command(struct iris_inst *inst, iris_hfi_gen2_handle_session_close(inst, pkt); break; case HFI_CMD_STOP: - complete(&inst->completion); + iris_hfi_gen2_handle_session_stop(inst, pkt); break; case HFI_CMD_BUFFER: ret = iris_hfi_gen2_handle_session_buffer(inst, pkt); @@ -568,6 +609,9 @@ static int iris_hfi_gen2_handle_session_command(struct iris_inst *inst, case HFI_CMD_SETTINGS_CHANGE: ret = iris_hfi_gen2_handle_src_change(inst, pkt); break; + case HFI_CMD_DRAIN: + ret = iris_hfi_gen2_handle_session_drain(inst, pkt); + break; default: break; } diff --git a/drivers/media/platform/qcom/iris/iris_state.c b/drivers/media/platform/qcom/iris/iris_state.c index aad7e734d5c8..f12306e735ec 100644 --- a/drivers/media/platform/qcom/iris/iris_state.c +++ b/drivers/media/platform/qcom/iris/iris_state.c @@ -3,6 +3,8 @@ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved. */ +#include <media/v4l2-mem2mem.h> + #include "iris_instance.h" static bool iris_allow_inst_state_change(struct iris_inst *inst, @@ -148,6 +150,21 @@ int iris_inst_sub_state_change_drc(struct iris_inst *inst) return iris_inst_change_sub_state(inst, 0, set_sub_state); } +int iris_inst_sub_state_change_drain_last(struct iris_inst *inst) +{ + enum iris_inst_sub_state set_sub_state; + + if (inst->sub_state & IRIS_INST_SUB_DRAIN_LAST) + return -EINVAL; + + if (!(inst->sub_state & IRIS_INST_SUB_DRAIN)) + return -EINVAL; + + set_sub_state = IRIS_INST_SUB_DRAIN_LAST | IRIS_INST_SUB_OUTPUT_PAUSE; + + return iris_inst_change_sub_state(inst, 0, set_sub_state); +} + int iris_inst_sub_state_change_drc_last(struct iris_inst *inst) { enum iris_inst_sub_state set_sub_state; @@ -166,3 +183,54 @@ int iris_inst_sub_state_change_drc_last(struct iris_inst *inst) return iris_inst_change_sub_state(inst, 0, set_sub_state); } + +int iris_inst_sub_state_change_pause(struct iris_inst *inst, u32 plane) +{ + enum iris_inst_sub_state set_sub_state; + + if (V4L2_TYPE_IS_OUTPUT(plane)) { + if (inst->sub_state & IRIS_INST_SUB_DRC && + !(inst->sub_state & IRIS_INST_SUB_DRC_LAST)) + return -EINVAL; + + if (inst->sub_state & IRIS_INST_SUB_DRAIN && + !(inst->sub_state & IRIS_INST_SUB_DRAIN_LAST)) + return -EINVAL; + + set_sub_state = IRIS_INST_SUB_INPUT_PAUSE; + } else { + set_sub_state = IRIS_INST_SUB_OUTPUT_PAUSE; + } + + return iris_inst_change_sub_state(inst, 0, set_sub_state); +} + +static inline bool iris_drc_pending(struct iris_inst *inst) +{ + return inst->sub_state & IRIS_INST_SUB_DRC && + inst->sub_state & IRIS_INST_SUB_DRC_LAST; +} + +static inline bool iris_drain_pending(struct iris_inst *inst) +{ + return inst->sub_state & IRIS_INST_SUB_DRAIN && + inst->sub_state & IRIS_INST_SUB_DRAIN_LAST; +} + +bool iris_allow_cmd(struct iris_inst *inst, u32 cmd) +{ + struct vb2_queue *src_q = v4l2_m2m_get_src_vq(inst->m2m_ctx); + struct vb2_queue *dst_q = v4l2_m2m_get_dst_vq(inst->m2m_ctx); + + if (cmd == V4L2_DEC_CMD_START) { + if (vb2_is_streaming(src_q) || vb2_is_streaming(dst_q)) + if (iris_drc_pending(inst) || iris_drain_pending(inst)) + return true; + } else if (cmd == V4L2_DEC_CMD_STOP) { + if (vb2_is_streaming(src_q)) + if (inst->sub_state != IRIS_INST_SUB_DRAIN) + return true; + } + + return false; +} diff --git a/drivers/media/platform/qcom/iris/iris_state.h b/drivers/media/platform/qcom/iris/iris_state.h index 12e98f8b1664..4bdd55af4f30 100644 --- a/drivers/media/platform/qcom/iris/iris_state.h +++ b/drivers/media/platform/qcom/iris/iris_state.h @@ -104,6 +104,9 @@ enum iris_inst_state { * sent to client. * IRIS_INST_SUB_DRC_LAST: indicates last buffer is received from firmware * as part of source change. + * IRIS_INST_SUB_DRAIN: indicates drain is in progress. + * IRIS_INST_SUB_DRAIN_LAST: indicates last buffer is received from firmware + * as part of drain sequence. * IRIS_INST_SUB_INPUT_PAUSE: source change is received form firmware. This * indicates that firmware is paused to process * any further input frames. @@ -115,8 +118,10 @@ enum iris_inst_sub_state { IRIS_INST_SUB_FIRST_IPSC = BIT(0), IRIS_INST_SUB_DRC = BIT(1), IRIS_INST_SUB_DRC_LAST = BIT(2), - IRIS_INST_SUB_INPUT_PAUSE = BIT(3), - IRIS_INST_SUB_OUTPUT_PAUSE = BIT(4), + IRIS_INST_SUB_DRAIN = BIT(3), + IRIS_INST_SUB_DRAIN_LAST = BIT(4), + IRIS_INST_SUB_INPUT_PAUSE = BIT(5), + IRIS_INST_SUB_OUTPUT_PAUSE = BIT(6), }; int iris_inst_change_state(struct iris_inst *inst, @@ -124,9 +129,13 @@ int iris_inst_change_state(struct iris_inst *inst, int iris_inst_change_sub_state(struct iris_inst *inst, enum iris_inst_sub_state clear_sub_state, enum iris_inst_sub_state set_sub_state); + int iris_inst_state_change_streamon(struct iris_inst *inst, u32 plane); int iris_inst_state_change_streamoff(struct iris_inst *inst, u32 plane); int iris_inst_sub_state_change_drc(struct iris_inst *inst); +int iris_inst_sub_state_change_drain_last(struct iris_inst *inst); int iris_inst_sub_state_change_drc_last(struct iris_inst *inst); +int iris_inst_sub_state_change_pause(struct iris_inst *inst, u32 plane); +bool iris_allow_cmd(struct iris_inst *inst, u32 cmd); #endif diff --git a/drivers/media/platform/qcom/iris/iris_vb2.c b/drivers/media/platform/qcom/iris/iris_vb2.c index 891b2e14de3a..6d3e13b850c6 100644 --- a/drivers/media/platform/qcom/iris/iris_vb2.c +++ b/drivers/media/platform/qcom/iris/iris_vb2.c @@ -237,8 +237,10 @@ void iris_vb2_buf_queue(struct vb2_buffer *vb2) } if (V4L2_TYPE_IS_CAPTURE(vb2->vb2_queue->type)) { - if (inst->sub_state & IRIS_INST_SUB_DRC && - inst->sub_state & IRIS_INST_SUB_DRC_LAST) { + if ((inst->sub_state & IRIS_INST_SUB_DRC && + inst->sub_state & IRIS_INST_SUB_DRC_LAST) || + (inst->sub_state & IRIS_INST_SUB_DRAIN && + inst->sub_state & IRIS_INST_SUB_DRAIN_LAST)) { vbuf->flags |= V4L2_BUF_FLAG_LAST; vbuf->sequence = inst->sequence_cap++; vbuf->field = V4L2_FIELD_NONE; diff --git a/drivers/media/platform/qcom/iris/iris_vdec.c b/drivers/media/platform/qcom/iris/iris_vdec.c index 33a1fc9b997e..9d6810e7b752 100644 --- a/drivers/media/platform/qcom/iris/iris_vdec.c +++ b/drivers/media/platform/qcom/iris/iris_vdec.c @@ -390,6 +390,7 @@ static int iris_vdec_process_streamon_input(struct iris_inst *inst) } if (inst->sub_state & IRIS_INST_SUB_DRC || + inst->sub_state & IRIS_INST_SUB_DRAIN || inst->sub_state & IRIS_INST_SUB_FIRST_IPSC) { if (!(inst->sub_state & IRIS_INST_SUB_INPUT_PAUSE)) { if (hfi_ops->session_pause) { @@ -441,15 +442,20 @@ int iris_vdec_streamon_input(struct iris_inst *inst) static int iris_vdec_process_streamon_output(struct iris_inst *inst) { const struct iris_hfi_command_ops *hfi_ops = inst->core->hfi_ops; + bool drain_active = false, drc_active = false; enum iris_inst_sub_state clear_sub_state = 0; - bool drc_active = false; int ret = 0; + drain_active = inst->sub_state & IRIS_INST_SUB_DRAIN && + inst->sub_state & IRIS_INST_SUB_DRAIN_LAST; + drc_active = inst->sub_state & IRIS_INST_SUB_DRC && inst->sub_state & IRIS_INST_SUB_DRC_LAST; if (drc_active) clear_sub_state = IRIS_INST_SUB_DRC | IRIS_INST_SUB_DRC_LAST; + else if (drain_active) + clear_sub_state = IRIS_INST_SUB_DRAIN | IRIS_INST_SUB_DRAIN_LAST; if (inst->sub_state & IRIS_INST_SUB_INPUT_PAUSE) { ret = iris_alloc_and_queue_input_int_bufs(inst); @@ -465,8 +471,12 @@ static int iris_vdec_process_streamon_output(struct iris_inst *inst) if (inst->state == IRIS_INST_INPUT_STREAMING && inst->sub_state & IRIS_INST_SUB_INPUT_PAUSE) { - ret = hfi_ops->session_resume_drc(inst, - V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); + if (!drain_active) + ret = hfi_ops->session_resume_drc(inst, + V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); + else if (hfi_ops->session_resume_drain) + ret = hfi_ops->session_resume_drain(inst, + V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); if (ret) return ret; clear_sub_state |= IRIS_INST_SUB_INPUT_PAUSE; @@ -587,3 +597,78 @@ int iris_vdec_qbuf(struct iris_inst *inst, struct vb2_v4l2_buffer *vbuf) return iris_queue_buffer(inst, buf); } + +int iris_vdec_start_cmd(struct iris_inst *inst) +{ + const struct iris_hfi_command_ops *hfi_ops = inst->core->hfi_ops; + enum iris_inst_sub_state clear_sub_state = 0; + struct vb2_queue *dst_vq; + int ret; + + dst_vq = v4l2_m2m_get_dst_vq(inst->m2m_ctx); + + if (inst->sub_state & IRIS_INST_SUB_DRC && + inst->sub_state & IRIS_INST_SUB_DRC_LAST) { + vb2_clear_last_buffer_dequeued(dst_vq); + clear_sub_state = IRIS_INST_SUB_DRC | IRIS_INST_SUB_DRC_LAST; + + if (inst->sub_state & IRIS_INST_SUB_INPUT_PAUSE) { + ret = hfi_ops->session_resume_drc(inst, + V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); + if (ret) + return ret; + clear_sub_state |= IRIS_INST_SUB_INPUT_PAUSE; + } + if (inst->sub_state & IRIS_INST_SUB_OUTPUT_PAUSE) { + ret = hfi_ops->session_resume_drc(inst, + V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); + if (ret) + return ret; + clear_sub_state |= IRIS_INST_SUB_OUTPUT_PAUSE; + } + } else if (inst->sub_state & IRIS_INST_SUB_DRAIN && + inst->sub_state & IRIS_INST_SUB_DRAIN_LAST) { + vb2_clear_last_buffer_dequeued(dst_vq); + clear_sub_state = IRIS_INST_SUB_DRAIN | IRIS_INST_SUB_DRAIN_LAST; + if (inst->sub_state & IRIS_INST_SUB_INPUT_PAUSE) { + if (hfi_ops->session_resume_drain) { + ret = + hfi_ops->session_resume_drain(inst, + V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); + if (ret) + return ret; + } + + clear_sub_state |= IRIS_INST_SUB_INPUT_PAUSE; + } + if (inst->sub_state & IRIS_INST_SUB_OUTPUT_PAUSE) { + if (hfi_ops->session_resume_drain) { + ret = + hfi_ops->session_resume_drain(inst, + V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); + if (ret) + return ret; + } + + clear_sub_state |= IRIS_INST_SUB_OUTPUT_PAUSE; + } + } else { + dev_err(inst->core->dev, "start called before receiving last_flag\n"); + iris_inst_change_state(inst, IRIS_INST_ERROR); + return -EBUSY; + } + + return iris_inst_change_sub_state(inst, clear_sub_state, 0); +} + +int iris_vdec_stop_cmd(struct iris_inst *inst) +{ + const struct iris_hfi_command_ops *hfi_ops = inst->core->hfi_ops; + int ret; + + ret = hfi_ops->session_drain(inst, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); + if (ret) + return ret; + + return iris_inst_change_sub_state(inst, 0, IRIS_INST_SUB_DRAIN); +} diff --git a/drivers/media/platform/qcom/iris/iris_vdec.h b/drivers/media/platform/qcom/iris/iris_vdec.h index a5d63d6f7723..1d0231db24de 100644 --- a/drivers/media/platform/qcom/iris/iris_vdec.h +++ b/drivers/media/platform/qcom/iris/iris_vdec.h @@ -18,6 +18,8 @@ void iris_vdec_src_change(struct iris_inst *inst); int iris_vdec_streamon_input(struct iris_inst *inst); int iris_vdec_streamon_output(struct iris_inst *inst); int iris_vdec_qbuf(struct iris_inst *inst, struct vb2_v4l2_buffer *vbuf); +int iris_vdec_start_cmd(struct iris_inst *inst); +int iris_vdec_stop_cmd(struct iris_inst *inst); int iris_vdec_session_streamoff(struct iris_inst *inst, u32 plane); #endif diff --git a/drivers/media/platform/qcom/iris/iris_vidc.c b/drivers/media/platform/qcom/iris/iris_vidc.c index aaf377f2f5f5..b44f8fc38b1a 100644 --- a/drivers/media/platform/qcom/iris/iris_vidc.c +++ b/drivers/media/platform/qcom/iris/iris_vidc.c @@ -431,6 +431,41 @@ static int iris_unsubscribe_event(struct v4l2_fh *fh, const struct v4l2_event_su return v4l2_event_unsubscribe(&inst->fh, sub); } +static int iris_dec_cmd(struct file *filp, void *fh, + struct v4l2_decoder_cmd *dec) +{ + struct iris_inst *inst = iris_get_inst(filp, NULL); + int ret = 0; + + mutex_lock(&inst->lock); + + if (dec->cmd != V4L2_DEC_CMD_START && + dec->cmd != V4L2_DEC_CMD_STOP) { + ret = -EINVAL; + goto unlock; + } + + if (inst->state == IRIS_INST_DEINIT) + goto unlock; + + if (!iris_allow_cmd(inst, dec->cmd)) { + ret = -EBUSY; + goto unlock; + } + + if (dec->cmd == V4L2_DEC_CMD_START) + ret = iris_vdec_start_cmd(inst); + else if (dec->cmd == V4L2_DEC_CMD_STOP) + ret = iris_vdec_stop_cmd(inst); + else + ret = -EINVAL; + +unlock: + mutex_unlock(&inst->lock); + + return ret; +} + static struct v4l2_file_operations iris_v4l2_file_ops = { .owner = THIS_MODULE, .open = iris_open, @@ -477,6 +512,8 @@ static const struct v4l2_ioctl_ops iris_v4l2_ioctl_ops = { .vidioc_unsubscribe_event = iris_unsubscribe_event, .vidioc_streamon = v4l2_m2m_ioctl_streamon, .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, + .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd, + .vidioc_decoder_cmd = iris_dec_cmd, }; void iris_init_ops(struct iris_core *core)

[v4,23/28] media: iris: add support for drain sequence

Commit Message

Patch