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Tue, 12 Nov 2024 02:15:27 +0000 From: "Jackson.lee" To: mchehab@kernel.org, nicolas@ndufresne.ca, sebastian.fricke@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, hverkuil@xs4all.nl, nas.chung@chipsnmedia.com, lafley.kim@chipsnmedia.com, b-brnich@ti.com, jackson.lee@chipsnmedia.com Subject: [PATCH v0 5/6] media: chips-media: wave5: Fix hang after seeking Date: Tue, 12 Nov 2024 11:15:16 +0900 Message-Id: <20241112021517.121-6-jackson.lee@chipsnmedia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241112021517.121-1-jackson.lee@chipsnmedia.com> References: <20241112021517.121-1-jackson.lee@chipsnmedia.com> X-ClientProxiedBy: SE2P216CA0042.KORP216.PROD.OUTLOOK.COM (2603:1096:101:116::7) To SE1P216MB1303.KORP216.PROD.OUTLOOK.COM (2603:1096:101:15::5) Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SE1P216MB1303:EE_|SE1P216MB2114:EE_ X-MS-Office365-Filtering-Correlation-Id: c9b0edc3-9566-4bfe-a44e-08dd02bfdfa6 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Before flush command is sent to VPU, driver should handle display buffer flags and should get all decoded information from VPU if VCORE is running. Signed-off-by: Jackson.lee Signed-off-by: Nas Chung --- .../platform/chips-media/wave5/wave5-vpu-dec.c | 17 ++++++++++++++++- .../platform/chips-media/wave5/wave5-vpuapi.c | 10 ++++++++++ 2 files changed, 26 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c b/drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c index f0db531247ac..51209700b7e8 100644 --- a/drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c +++ b/drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c @@ -1431,6 +1431,16 @@ static int streamoff_output(struct vb2_queue *q) int ret; dma_addr_t new_rd_ptr; struct vpu_src_buffer *vpu_buf, *tmp; + struct dec_output_info dec_info; + unsigned int i; + + for (i = 0; i < v4l2_m2m_num_dst_bufs_ready(m2m_ctx); i++) { + ret = wave5_vpu_dec_set_disp_flag(inst, i); + if (ret) + dev_dbg(inst->dev->dev, + "%s: Setting display flag of buf index: %u, fail: %d\n", + __func__, i, ret); + } inst->retry = false; inst->queuing_num = 0; @@ -1444,6 +1454,11 @@ static int streamoff_output(struct vb2_queue *q) v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); } + while (wave5_vpu_dec_get_output_info(inst, &dec_info) == 0) { + if (dec_info.index_frame_display >= 0) + wave5_vpu_dec_set_disp_flag(inst, dec_info.index_frame_display); + } + ret = wave5_vpu_flush_instance(inst); if (ret) return ret; @@ -1526,7 +1541,7 @@ static void wave5_vpu_dec_stop_streaming(struct vb2_queue *q) break; if (wave5_vpu_dec_get_output_info(inst, &dec_output_info)) - dev_dbg(inst->dev->dev, "Getting decoding results from fw, fail\n"); + dev_dbg(inst->dev->dev, "there is no output info\n"); } v4l2_m2m_update_stop_streaming_state(m2m_ctx, q); diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpuapi.c b/drivers/media/platform/chips-media/wave5/wave5-vpuapi.c index a5b1966530c0..8a071dbd70a1 100644 --- a/drivers/media/platform/chips-media/wave5/wave5-vpuapi.c +++ b/drivers/media/platform/chips-media/wave5/wave5-vpuapi.c @@ -75,6 +75,16 @@ int wave5_vpu_flush_instance(struct vpu_instance *inst) inst->type == VPU_INST_TYPE_DEC ? "DECODER" : "ENCODER", inst->id); mutex_unlock(&inst->dev->hw_lock); return -ETIMEDOUT; + } else if (ret == -EBUSY) { + struct dec_output_info dec_info; + + mutex_unlock(&inst->dev->hw_lock); + wave5_vpu_dec_get_output_info(inst, &dec_info); + ret = mutex_lock_interruptible(&inst->dev->hw_lock); + if (ret) + return ret; + if (dec_info.index_frame_display > 0) + wave5_vpu_dec_set_disp_flag(inst, dec_info.index_frame_display); } } while (ret != 0); mutex_unlock(&inst->dev->hw_lock);