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[84.238.221.89]) by smtp.gmail.com with ESMTPSA id b8sm2991405wrv.57.2020.11.11.06.38.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Nov 2020 06:38:34 -0800 (PST) From: Stanimir Varbanov To: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Vikash Garodia , Alexandre Courbot , Fritz Koenig , Stanimir Varbanov Subject: [PATCH v2 7/8] venus: venc: Handle reset encoder state Date: Wed, 11 Nov 2020 16:37:54 +0200 Message-Id: <20201111143755.24541-8-stanimir.varbanov@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201111143755.24541-1-stanimir.varbanov@linaro.org> References: <20201111143755.24541-1-stanimir.varbanov@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Redesign the encoder driver to be compliant with stateful encoder spec - specifically adds handling of Reset state. Signed-off-by: Stanimir Varbanov --- drivers/media/platform/qcom/venus/venc.c | 155 ++++++++++++++++++----- 1 file changed, 122 insertions(+), 33 deletions(-) diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c index 7512e4a16270..f1ae89d45a54 100644 --- a/drivers/media/platform/qcom/venus/venc.c +++ b/drivers/media/platform/qcom/venus/venc.c @@ -907,6 +907,54 @@ static int venc_queue_setup(struct vb2_queue *q, return ret; } +static void venc_release_session(struct venus_inst *inst) +{ + int ret, abort = 0; + + mutex_lock(&inst->lock); + + ret = hfi_session_deinit(inst); + abort = (ret && ret != -EINVAL) ? 1 : 0; + + if (inst->session_error) + abort = 1; + + if (abort) + hfi_session_abort(inst); + + venus_pm_load_scale(inst); + INIT_LIST_HEAD(&inst->registeredbufs); + mutex_unlock(&inst->lock); + + venus_pm_release_core(inst); +} + +static int venc_buf_init(struct vb2_buffer *vb) +{ + struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); + + inst->buf_count++; + + return venus_helper_vb2_buf_init(vb); +} + +static void venc_buf_cleanup(struct vb2_buffer *vb) +{ + struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct venus_buffer *buf = to_venus_buffer(vbuf); + + mutex_lock(&inst->lock); + if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) + if (!list_empty(&inst->registeredbufs)) + list_del_init(&buf->reg_list); + mutex_unlock(&inst->lock); + + inst->buf_count--; + if (!inst->buf_count) + venc_release_session(inst); +} + static int venc_verify_conf(struct venus_inst *inst) { enum hfi_version ver = inst->core->res->hfi_version; @@ -938,49 +986,57 @@ static int venc_verify_conf(struct venus_inst *inst) static int venc_start_streaming(struct vb2_queue *q, unsigned int count) { struct venus_inst *inst = vb2_get_drv_priv(q); + struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx; int ret; mutex_lock(&inst->lock); - if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + v4l2_m2m_update_start_streaming_state(m2m_ctx, q); + + if (V4L2_TYPE_IS_OUTPUT(q->type)) inst->streamon_out = 1; else inst->streamon_cap = 1; - if (!(inst->streamon_out & inst->streamon_cap)) { - mutex_unlock(&inst->lock); - return 0; - } + if (inst->streamon_out && inst->streamon_cap && + inst->state == INST_UNINIT) { + venus_helper_init_instance(inst); - venus_helper_init_instance(inst); + inst->sequence_cap = 0; + inst->sequence_out = 0; - inst->sequence_cap = 0; - inst->sequence_out = 0; + ret = venc_init_session(inst); + if (ret) + goto bufs_done; - ret = venc_init_session(inst); - if (ret) - goto bufs_done; + ret = venus_pm_acquire_core(inst); + if (ret) + goto deinit_sess; - ret = venus_pm_acquire_core(inst); - if (ret) - goto deinit_sess; + ret = venc_verify_conf(inst); + if (ret) + goto deinit_sess; - ret = venc_set_properties(inst); - if (ret) - goto deinit_sess; + ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, + inst->num_output_bufs, 0); + if (ret) + goto deinit_sess; - ret = venc_verify_conf(inst); - if (ret) - goto deinit_sess; + ret = venus_helper_vb2_start_streaming(inst); + if (ret) + goto deinit_sess; - ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, - inst->num_output_bufs, 0); - if (ret) - goto deinit_sess; + venus_helper_process_initial_out_bufs(inst); + venus_helper_process_initial_cap_bufs(inst); + } else if (V4L2_TYPE_IS_CAPTURE(q->type) && inst->streamon_cap && + inst->streamon_out) { + ret = venus_helper_vb2_start_streaming(inst); + if (ret) + goto bufs_done; - ret = venus_helper_vb2_start_streaming(inst); - if (ret) - goto deinit_sess; + venus_helper_process_initial_out_bufs(inst); + venus_helper_process_initial_cap_bufs(inst); + } mutex_unlock(&inst->lock); @@ -990,15 +1046,43 @@ static int venc_start_streaming(struct vb2_queue *q, unsigned int count) hfi_session_deinit(inst); bufs_done: venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); - if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + if (V4L2_TYPE_IS_OUTPUT(q->type)) inst->streamon_out = 0; else inst->streamon_cap = 0; + mutex_unlock(&inst->lock); return ret; } -static void venc_vb2_buf_queue(struct vb2_buffer *vb) +static void venc_stop_streaming(struct vb2_queue *q) +{ + struct venus_inst *inst = vb2_get_drv_priv(q); + struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx; + int ret = -EINVAL; + + mutex_lock(&inst->lock); + + v4l2_m2m_clear_state(m2m_ctx); + + if (V4L2_TYPE_IS_CAPTURE(q->type)) { + ret = hfi_session_stop(inst); + ret |= hfi_session_unload_res(inst); + ret |= venus_helper_unregister_bufs(inst); + ret |= venus_helper_intbufs_free(inst); + } + + venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR); + + if (V4L2_TYPE_IS_OUTPUT(q->type)) + inst->streamon_out = 0; + else + inst->streamon_cap = 0; + + mutex_unlock(&inst->lock); +} + +static void venc_buf_queue(struct vb2_buffer *vb) { struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); @@ -1022,11 +1106,12 @@ static void venc_vb2_buf_queue(struct vb2_buffer *vb) static const struct vb2_ops venc_vb2_ops = { .queue_setup = venc_queue_setup, - .buf_init = venus_helper_vb2_buf_init, + .buf_init = venc_buf_init, + .buf_cleanup = venc_buf_cleanup, .buf_prepare = venus_helper_vb2_buf_prepare, .start_streaming = venc_start_streaming, - .stop_streaming = venus_helper_vb2_stop_streaming, - .buf_queue = venc_vb2_buf_queue, + .stop_streaming = venc_stop_streaming, + .buf_queue = venc_buf_queue, }; static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type, @@ -1084,8 +1169,12 @@ static const struct hfi_inst_ops venc_hfi_ops = { .event_notify = venc_event_notify, }; +static void venc_m2m_device_run(void *priv) +{ +} + static const struct v4l2_m2m_ops venc_m2m_ops = { - .device_run = venus_helper_m2m_device_run, + .device_run = venc_m2m_device_run, .job_abort = venus_helper_m2m_job_abort, };