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Commit cee70c96 authored by Sowmya Pandiri's avatar Sowmya Pandiri
Browse files

msm: vidc : Handle power collapse properly in venus HFI 



When video driver gets PC_PREP_DONE from firmware, callback
response_type is not updated causing power collpase to timeout.
This change fixes the watchdog timeout issue.

Change-Id: Ibc390418747f07876b45c38c095b52ea92d5796f
Signed-off-by: default avatarSowmya Pandiri <spandiri@codeaurora.org>
parent 66f4f85a

drivers/media/platform/msm/vidc/hfi_response_handler.c

+13 −0
Original line number Diff line number Diff line
@@ -1495,6 +1495,17 @@ static int hfi_process_sys_property_info(u32 device_id, 


}



static int hfi_process_sys_pc_prep_done(u32 device_id,

		struct vidc_hal_msg_pkt_hdr *msg_hdr,

		struct msm_vidc_cb_info *info)

{

	*info = (struct msm_vidc_cb_info) {

		.response_type =  HAL_SYS_PC_PREP_DONE,

	};



	return 0;

}



static int hfi_process_ignore(u32 device_id,

		struct vidc_hal_msg_pkt_hdr *msg_hdr,

		struct msm_vidc_cb_info *info)
@@ -1572,6 +1583,8 @@ int hfi_process_msg_packet(u32 device_id, struct vidc_hal_msg_pkt_hdr *msg_hdr, 
		pkt_func = (pkt_func_def)hfi_process_session_abort_done;

		break;

	case HFI_MSG_SYS_PC_PREP_DONE:

		pkt_func = (pkt_func_def)hfi_process_sys_pc_prep_done;

		break;

	case HFI_MSG_SESSION_SYNC_DONE:

		pkt_func = (pkt_func_def)hfi_process_ignore;

		break;

drivers/media/platform/msm/vidc/venus_hfi.c

+6 −0
Original line number Diff line number Diff line
@@ -3543,6 +3543,12 @@ static struct msm_vidc_cb_info *__response_handler( 
		case HAL_SYS_PC_PREP_DONE:

			dprintk(VIDC_DBG, "Received SYS_PC_PREP_DONE\n");

			complete(&pc_prep_done);

			/*

			 * PC_PREP_DONE should be the last packet during

			 * power collapse, so decrement the packet count

			 * to not process this pkt in callback

			 */

			--packet_count;

			break;

		default:

			break;