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Commit fd5f68d3 authored by Alok Kediya's avatar Alok Kediya Committed by Ian Maund
Browse files

msm-camera: Avoid adding top up to calulated ab/ib for single stream. 



Avoiding topup for ab/ib for single stream

Change-Id: Ie6fb6716ea1b30604d801936bea3da5a96d8a6fc
Signed-off-by: default avatarAlok Kediya <kediya@codeaurora.org>
parent 0b2ed0fc

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

+12 −3
Original line number Diff line number Diff line
@@ -1261,6 +1261,8 @@ static int msm_isp_update_stream_bandwidth(struct vfe_device *vfe_dev) 
	struct msm_vfe_axi_shared_data *axi_data = &vfe_dev->axi_data;

	uint64_t total_pix_bandwidth = 0, total_rdi_bandwidth = 0;

	uint32_t num_pix_streams = 0;

	uint32_t num_rdi_streams = 0;

	uint32_t total_streams   = 0;

	uint64_t total_bandwidth = 0;



	for (i = 0; i < MAX_NUM_STREAM; i++) {
@@ -1272,13 +1274,20 @@ static int msm_isp_update_stream_bandwidth(struct vfe_device *vfe_dev) 
				num_pix_streams++;

			} else {

				total_rdi_bandwidth += stream_info->bandwidth;

				num_rdi_streams++;

			}

		}

	}

	total_bandwidth = total_pix_bandwidth + total_rdi_bandwidth;

	total_streams = num_pix_streams + num_rdi_streams;

	if (total_streams == 1)

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

		total_bandwidth,  total_bandwidth *

		ISP_BUS_UTILIZATION_FACTOR / ISP_Q2);

		total_bandwidth ,

		(total_bandwidth * ISP_BUS_UTILIZATION_FACTOR / ISP_Q2));

	else

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

		(total_bandwidth + MSM_ISP_MIN_AB),  (total_bandwidth *

		ISP_BUS_UTILIZATION_FACTOR / ISP_Q2 + MSM_ISP_MIN_IB));

	if (rc < 0)

		pr_err("%s: update failed\n", __func__);