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Commit 39df1428 authored by Terence Ho's avatar Terence Ho
Browse files

msm: ais: stop vfe path on error 



Stop vfe path on error to avoid system lockup from flood of
error logs.

Acked-by: default avatarAbderahmane Allalou <aallalou@qti.qualcomm.com&gt;.>

Change-Id: I56a7659bdddbf1f40270628503aeece677271858
Signed-off-by: default avatarTerence Ho <terenceh@codeaurora.org>
parent 2f7448f9

drivers/media/platform/msm/ais/ais_isp/vfe_hw/ais_vfe_core.c

+14 −8
Original line number Diff line number Diff line
@@ -1101,21 +1101,26 @@ static int ais_vfe_handle_error( 
		if (p_rdi->state != AIS_ISP_RESOURCE_STATE_STREAMING)

			continue;



		CAM_ERR(CAM_ISP, "IFE%d Turn off RDI %d",

			core_info->vfe_idx, path);



		p_rdi->state = AIS_ISP_RESOURCE_STATE_ERROR;



		client_regs = &bus_hw_info->bus_client_reg[path];



		core_info->bus_wr_mask1 &= ~(1 << path);

		cam_io_w_mb(core_info->bus_wr_mask1,

			core_info->mem_base +

			bus_hw_irq_regs[1].mask_reg_offset);



		/* Disable WM and reg-update */

		cam_io_w_mb(0x0, core_info->mem_base + client_regs->cfg);

		cam_io_w_mb(AIS_VFE_REGUP_RDI_ALL, core_info->mem_base +

				top_hw_info->common_reg->reg_update_cmd);



		cam_io_w_mb((1 << path), core_info->mem_base +

			bus_hw_info->common_reg.sw_reset);



		core_info->bus_wr_mask1 &= ~(1 << path);

		cam_io_w_mb(core_info->bus_wr_mask1,

			core_info->mem_base +

			bus_hw_irq_regs[1].mask_reg_offset);



		core_info->event.type = AIS_IFE_MSG_OUTPUT_ERROR;

		core_info->event.path = path;
@@ -1551,7 +1556,8 @@ irqreturn_t ais_vfe_irq(int irq_num, void *data) 
				AIS_VFE_STATUS1_RDI_OVERFLOW_IRQ_SHFT) &

				AIS_VFE_STATUS1_RDI_OVERFLOW_IRQ_MSK;



				CAM_ERR(CAM_ISP, "IFE%d Overflow 0x%x",

				CAM_ERR_RATE_LIMIT(CAM_ISP,

					"IFE%d Overflow 0x%x",

					core_info->vfe_idx,

					work_data.path);

				work_data.evt_type = AIS_VFE_HW_IRQ_EVENT_ERROR;