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Commit 5a53510c authored by Meera Gande's avatar Meera Gande
Browse files

msm: camera: isp: Update ab & ib voting for fe 



Update ab and ib voting for reading in
offline ISP. Also made changes to recover from
overflow for fetch engine.

Change-Id: I230a9ec92f9454e1c59d2998f3ac53d482f51cf3
Signed-off-by: default avatarMeera Gande <mgande@codeaurora.org>
parent 20059604

drivers/media/platform/msm/camera_v2/isp/msm_isp40.c

+10 −3
Original line number Diff line number Diff line 
/* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.

/* Copyright (c) 2013-2017, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -1782,11 +1782,18 @@ static int msm_vfe40_axi_restart(struct vfe_device *vfe_dev, 
	memset(&vfe_dev->error_info, 0, sizeof(vfe_dev->error_info));

	atomic_set(&vfe_dev->error_info.overflow_state, NO_OVERFLOW);



	if (enable_camif) {

	if (enable_camif &&

		vfe_dev->axi_data.src_info[VFE_PIX_0].input_mux

		!= EXTERNAL_READ){

		vfe_dev->hw_info->vfe_ops.core_ops.

		update_camif_state(vfe_dev, ENABLE_CAMIF);

	}



	if (vfe_dev->fetch_engine_info.is_busy == 1) {

		vfe_dev->fetch_engine_info.is_busy = 0;

		msm_camera_io_w_mb(0x1, vfe_dev->vfe_base + 0x378);

		msm_camera_io_w_mb(0x10000, vfe_dev->vfe_base + 0x4C);

		msm_camera_io_w_mb(0x20000, vfe_dev->vfe_base + 0x4C);

	}

	return 0;

}

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

+12 −1
Original line number Diff line number Diff line
@@ -2272,8 +2272,10 @@ int msm_isp_update_stream_bandwidth(struct vfe_device *vfe_dev, 
	struct msm_vfe_axi_stream *stream_info;

	struct msm_vfe_axi_shared_data *axi_data = &vfe_dev->axi_data;

	uint64_t total_pix_bandwidth = 0, total_rdi_bandwidth = 0;

	uint64_t total_fe_bandwidth = 0;

	uint32_t num_pix_streams = 0;

	uint64_t total_bandwidth = 0;

	int bpp = 0;



	for (i = 0; i < VFE_AXI_SRC_MAX; i++) {

		stream_info = &axi_data->stream_info[i];
@@ -2297,7 +2299,16 @@ int msm_isp_update_stream_bandwidth(struct vfe_device *vfe_dev, 
		}

	}



	total_bandwidth = total_pix_bandwidth + total_rdi_bandwidth;

	if (axi_data->src_info[VFE_PIX_0].input_mux == EXTERNAL_READ

		&& num_pix_streams){

			bpp = msm_isp_get_bit_per_pixel(axi_data->

			src_info[VFE_PIX_0].input_format);

			total_fe_bandwidth =

			(axi_data->src_info[VFE_PIX_0].pixel_clock / 8) * bpp;

	}



	total_bandwidth = total_pix_bandwidth + total_rdi_bandwidth +

			total_fe_bandwidth;

		rc = msm_isp_update_bandwidth(ISP_VFE0 + vfe_dev->pdev->id,

			(total_bandwidth + vfe_dev->hw_info->min_ab),

			(total_bandwidth + vfe_dev->hw_info->min_ib));