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Commit ecd2dbf9 authored by Venkat Chinta's avatar Venkat Chinta
Browse files

msm: camera: vfe: Avoid subscribing to IRQ for slave core 



In dual IFE case, bus IRQs from slave VFE core should
be ignored. This change adds a check for dual IFE and
master/slave core to proceed with subscribing for IRQs.

Change-Id: I86ecda5f51611f9a4ac912f3bd0ebe96aded5a98
Signed-off-by: default avatarVenkat Chinta <vchinta@codeaurora.org>
parent ef02a3d3

drivers/media/platform/msm/camera/cam_isp/isp_hw_mgr/isp_hw/vfe_hw/vfe_bus/cam_vfe_bus_ver3.c

+19 −0
Original line number Diff line number Diff line
@@ -155,6 +155,9 @@ struct cam_vfe_bus_ver3_vfe_out_data { 
	uint32_t                         dual_hw_alternate_vfe_id;

	struct list_head                 vfe_out_list;



	uint32_t                         is_master;

	uint32_t                         is_dual;



	uint32_t                         format;

	uint32_t                         max_width;

	uint32_t                         max_height;
@@ -1663,25 +1666,34 @@ static int cam_vfe_bus_ver3_start_comp_grp( 
		if (rsrc_data->is_master) {

			val = cam_io_r_mb(common_data->mem_base +

				common_data->common_reg->comp_cfg_0);



			val |= (0x1 << (rsrc_data->comp_grp_type + 14));



			cam_io_w_mb(val, common_data->mem_base +

				common_data->common_reg->comp_cfg_0);



			val = cam_io_r_mb(common_data->mem_base +

				common_data->common_reg->comp_cfg_1);



			val |= (0x1 << rsrc_data->comp_grp_type);



			cam_io_w_mb(val, common_data->mem_base +

				common_data->common_reg->comp_cfg_1);

		} else {

			val = cam_io_r_mb(common_data->mem_base +

				common_data->common_reg->comp_cfg_0);



			val |= (0x1 << rsrc_data->comp_grp_type);

			val |= (0x1 << (rsrc_data->comp_grp_type + 14));



			cam_io_w_mb(val, common_data->mem_base +

				common_data->common_reg->comp_cfg_0);



			val = cam_io_r_mb(common_data->mem_base +

				common_data->common_reg->comp_cfg_1);



			val |= (0x1 << rsrc_data->comp_grp_type);



			cam_io_w_mb(val, common_data->mem_base +

				common_data->common_reg->comp_cfg_1);

		}
@@ -1967,6 +1979,9 @@ static int cam_vfe_bus_ver3_acquire_vfe_out(void *bus_priv, void *acquire_args, 
		return rc;

	}



	rsrc_data->is_dual = out_acquire_args->is_dual;

	rsrc_data->is_master = out_acquire_args->is_master;



	cam_vfe_bus_ver3_add_wm_to_comp_grp(rsrc_data->comp_grp,

		client_done_mask);
@@ -2087,6 +2102,9 @@ static int cam_vfe_bus_ver3_start_vfe_out( 
	rc = cam_vfe_bus_ver3_start_comp_grp(rsrc_data->comp_grp,

		bus_irq_reg_mask);



	if (rsrc_data->is_dual && !rsrc_data->is_master)

		goto end;



	vfe_out->irq_handle = cam_irq_controller_subscribe_irq(

		common_data->bus_irq_controller,

		CAM_IRQ_PRIORITY_1,
@@ -2130,6 +2148,7 @@ static int cam_vfe_bus_ver3_start_vfe_out( 
		}

	}



end:

	vfe_out->res_state = CAM_ISP_RESOURCE_STATE_STREAMING;

	return rc;

}