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Mon, 14 Oct 2024 09:09:27 GMT Received: from hu-dikshita-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Mon, 14 Oct 2024 02:09:22 -0700 From: Dikshita Agarwal Date: Mon, 14 Oct 2024 14:37:45 +0530 Subject: [PATCH v4 24/28] media: iris: add check whether the video session is supported or not Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20241014-qcom-video-iris-v4-v4-24-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 , Abhinav Kumar , Mauro Carvalho Chehab , "Rob Herring" , Krzysztof Kozlowski , "Conor Dooley" , Philipp Zabel CC: Hans Verkuil , Sebastian Fricke , , , , , Dikshita Agarwal , Vedang Nagar X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; 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Signed-off-by: Vedang Nagar Signed-off-by: Dikshita Agarwal --- .../platform/qcom/iris/iris_platform_common.h | 1 + .../platform/qcom/iris/iris_platform_sm8550.c | 1 + drivers/media/platform/qcom/iris/iris_vb2.c | 97 ++++++++++++++++++++++ 3 files changed, 99 insertions(+) diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/drivers/media/platform/qcom/iris/iris_platform_common.h index 090646aa80ff..eb329cd05174 100644 --- a/drivers/media/platform/qcom/iris/iris_platform_common.h +++ b/drivers/media/platform/qcom/iris/iris_platform_common.h @@ -144,6 +144,7 @@ struct iris_platform_data { struct ubwc_config_data *ubwc_config; u32 num_vpp_pipe; u32 max_session_count; + u32 max_core_mbpf; const u32 *input_config_params; unsigned int input_config_params_size; const u32 *output_config_params; diff --git a/drivers/media/platform/qcom/iris/iris_platform_sm8550.c b/drivers/media/platform/qcom/iris/iris_platform_sm8550.c index 2a45e605e140..68907ba6986f 100644 --- a/drivers/media/platform/qcom/iris/iris_platform_sm8550.c +++ b/drivers/media/platform/qcom/iris/iris_platform_sm8550.c @@ -232,6 +232,7 @@ struct iris_platform_data sm8550_data = { .ubwc_config = &ubwc_config_sm8550, .num_vpp_pipe = 4, .max_session_count = 16, + .max_core_mbpf = ((8192 * 4352) / 256) * 2, .input_config_params = sm8550_vdec_input_config_params, .input_config_params_size = diff --git a/drivers/media/platform/qcom/iris/iris_vb2.c b/drivers/media/platform/qcom/iris/iris_vb2.c index 6d3e13b850c6..19ac300981c6 100644 --- a/drivers/media/platform/qcom/iris/iris_vb2.c +++ b/drivers/media/platform/qcom/iris/iris_vb2.c @@ -12,6 +12,95 @@ #include "iris_vb2.h" #include "iris_vdec.h" #include "iris_vpu_buffer.h" + +static int iris_check_core_mbpf(struct iris_inst *inst) +{ + struct iris_core *core = inst->core; + struct iris_inst *instance; + u32 total_mbpf = 0; + + mutex_lock(&core->lock); + list_for_each_entry(instance, &core->instances, list) + total_mbpf += iris_get_mbpf(instance); + mutex_unlock(&core->lock); + + if (total_mbpf > core->iris_platform_data->max_core_mbpf) + return -ENOMEM; + + return 0; +} + +static int iris_check_inst_mbpf(struct iris_inst *inst) +{ + struct platform_inst_caps *caps; + u32 mbpf, max_mbpf; + + caps = inst->core->iris_platform_data->inst_caps; + max_mbpf = caps->max_mbpf; + mbpf = iris_get_mbpf(inst); + if (mbpf > max_mbpf) + return -ENOMEM; + + return 0; +} + +static int iris_check_resolution_supported(struct iris_inst *inst) +{ + u32 width, height, min_width, min_height, max_width, max_height; + struct platform_inst_caps *caps; + + caps = inst->core->iris_platform_data->inst_caps; + width = inst->fmt_src->fmt.pix_mp.width; + height = inst->fmt_src->fmt.pix_mp.height; + + min_width = caps->min_frame_width; + max_width = caps->max_frame_width; + min_height = caps->min_frame_height; + max_height = caps->max_frame_height; + + if (!(min_width <= width && width <= max_width) || + !(min_height <= height && height <= max_height)) + return -EINVAL; + + return 0; +} + +static int iris_check_session_supported(struct iris_inst *inst) +{ + struct iris_core *core = inst->core; + struct iris_inst *instance = NULL; + bool found = false; + int ret; + + list_for_each_entry(instance, &core->instances, list) { + if (instance == inst) + found = true; + } + + if (!found) { + ret = -EINVAL; + goto exit; + } + + ret = iris_check_core_mbpf(inst); + if (ret) + goto exit; + + ret = iris_check_inst_mbpf(inst); + if (ret) + goto exit; + + ret = iris_check_resolution_supported(inst); + if (ret) + goto exit; + + return 0; +exit: + dev_err(inst->core->dev, "current session not supported(%d)\n", ret); + + return ret; +} + int iris_vb2_buf_init(struct vb2_buffer *vb2) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2); @@ -58,6 +147,10 @@ int iris_vb2_queue_setup(struct vb2_queue *q, goto unlock; } + ret = iris_check_session_supported(inst); + if (ret) + goto unlock; + if (!inst->once_per_session_set) { inst->once_per_session_set = true; @@ -122,6 +215,10 @@ int iris_vb2_start_streaming(struct vb2_queue *q, unsigned int count) } + ret = iris_check_session_supported(inst); + if (ret) + goto error; + if (V4L2_TYPE_IS_OUTPUT(q->type)) ret = iris_vdec_streamon_input(inst); else if (V4L2_TYPE_IS_CAPTURE(q->type))