Merge "msm: camera: isp: Handle frame drop due to delay " (3db0e929) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/media/platform/msm/camera_v2/isp/msm_isp.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -450,7 +450,7 @@ static int isp_vma_fault(struct vm_area_struct vma, struct vm_fault vmf)
		{
		struct page *page;
		struct vfe_device *vfe_dev = vma->vm_private_data;
		struct isp_proc *isp_page = NULL;
		struct isp_kstate *isp_page = NULL;

		isp_page = vfe_dev->isp_page;

		@@ -728,7 +728,7 @@ int vfe_hw_probe(struct platform_device *pdev)
		vfe_dev->buf_mgr->init_done = 1;
		vfe_dev->vfe_open_cnt = 0;
		/Allocate a page in kernel and map it to camera user process/
		vfe_dev->isp_page = (struct isp_proc *)get_zeroed_page(GFP_KERNEL);
		vfe_dev->isp_page = (struct isp_kstate *)get_zeroed_page(GFP_KERNEL);
		if (vfe_dev->isp_page == NULL) {
		pr_err("%s: no enough memory\n", __func__);
		rc = -ENOMEM;

drivers/media/platform/msm/camera_v2/isp/msm_isp.h

+1 −6

Original line number	Diff line number	Diff line
		@@ -761,11 +761,6 @@ struct msm_vfe_common_subdev {
		struct msm_vfe_common_dev_data *common_data;
		};

		struct isp_proc {
		uint32_t kernel_sofid;
		uint32_t vfeid;
		};

		struct vfe_device {
		/* Driver private data */
		struct platform_device *pdev;
		@@ -850,7 +845,7 @@ struct vfe_device {
		uint32_t recovery_irq1_mask;
		/* total bandwidth per vfe */
		uint64_t total_bandwidth;
		struct isp_proc *isp_page;
		struct isp_kstate *isp_page;
		};

		struct vfe_parent_device {

drivers/media/platform/msm/camera_v2/isp/msm_isp_axi_util.c

+20 −3

Original line number	Diff line number	Diff line
		@@ -3545,6 +3545,14 @@ static int msm_isp_request_frame(struct vfe_device *vfe_dev,
		frame_src = SRC_TO_INTF(stream_info->stream_src);
		pingpong_status = vfe_dev->hw_info->
		vfe_ops.axi_ops.get_pingpong_status(vfe_dev);

		/* As MCT is still processing it, need to drop the additional requests*/
		if (vfe_dev->isp_page->drop_reconfig) {
		pr_err("%s: MCT has not yet delayed %d drop request %d\n",
		__func__, vfe_dev->isp_page->drop_reconfig, frame_id);
		goto error;
		}

		/*
		* If PIX stream is active then RDI path uses SOF frame ID of PIX
		* In case of standalone RDI streaming, SOF are used from
		@@ -3558,9 +3566,18 @@ static int msm_isp_request_frame(struct vfe_device *vfe_dev,
		vfe_dev->axi_data.src_info[frame_src].accept_frame == false) {
		pr_debug("%s:%d invalid time to request frame %d\n",
		__func__, __LINE__, frame_id);
		goto error;
		}
		if ((vfe_dev->axi_data.src_info[frame_src].active && (frame_id !=
		vfe_dev->isp_page->drop_reconfig = 1;
		} else if ((vfe_dev->axi_data.src_info[frame_src].active) &&
		(frame_id ==
		vfe_dev->axi_data.src_info[frame_src].frame_id) &&
		(stream_info->undelivered_request_cnt <=
		MAX_BUFFERS_IN_HW)) {
		vfe_dev->isp_page->drop_reconfig = 1;
		pr_debug("%s: vfe_%d request_frame %d cur frame id %d pix %d\n",
		__func__, vfe_dev->pdev->id, frame_id,
		vfe_dev->axi_data.src_info[VFE_PIX_0].frame_id,
		vfe_dev->axi_data.src_info[VFE_PIX_0].active);
		} else if ((vfe_dev->axi_data.src_info[frame_src].active && (frame_id !=
		vfe_dev->axi_data.src_info[frame_src].frame_id + vfe_dev->
		axi_data.src_info[frame_src].sof_counter_step)) \|\|
		((!vfe_dev->axi_data.src_info[frame_src].active))) {

include/uapi/media/msmb_isp.h

+7 −0

Original line number	Diff line number	Diff line
		@@ -26,9 +26,16 @@
		#define ISP_STATS_STREAM_BIT 0x80000000

		#define VFE_HW_LIMIT 1
		#define ISP_KERNEL_STATE 1

		struct msm_vfe_cfg_cmd_list;

		struct isp_kstate {
		uint32_t kernel_sofid;
		uint32_t drop_reconfig;
		uint32_t vfeid;
		};

		enum ISP_START_PIXEL_PATTERN {
		ISP_BAYER_RGRGRG,
		ISP_BAYER_GRGRGR,