video: driver: remove release of dpb buffers

remove release of dpb buffers as part of start
of output port.
handle watchdog interrupt incase of page fault

Change-Id: Idaccbcaa92d4835dea2da3d8b6f645114baa338a
Signed-off-by: Darshana Patil <[email protected]>

driver/vidc/inc/venus_hfi_response.h

@@ -6,6 +6,8 @@
 #ifndef __VENUS_HFI_RESPONSE_H__
 #define __VENUS_HFI_RESPONSE_H__
 
+#include "hfi_packet.h"
+
 int handle_response(struct msm_vidc_core *core,
 	void *response);
 int validate_packet(u8 *response_pkt, u8 *core_resp_pkt,
@@ -17,5 +19,7 @@ bool is_valid_hfi_buffer_type(struct msm_vidc_inst *inst,
 void handle_session_response_work_handler(struct work_struct *work);
 int handle_session_response_work(struct msm_vidc_inst *inst,
 	struct response_work *work);
+int handle_system_error(struct msm_vidc_core *core,
+	struct hfi_packet *pkt);
 
 #endif // __VENUS_HFI_RESPONSE_H__

driver/vidc/src/msm_vdec.c

@@ -954,18 +954,6 @@ static int msm_vdec_release_input_internal_buffers(struct msm_vidc_inst *inst)
 	return 0;
 }
 
-static int msm_vdec_release_output_internal_buffers(struct msm_vidc_inst *inst)
-{
-	int rc = 0;
-
-	i_vpr_h(inst, "%s()\n",__func__);
-	rc = msm_vidc_release_internal_buffers(inst, MSM_VIDC_BUF_DPB);
-	if (rc)
-		return rc;
-
-	return 0;
-}
-
 static int msm_vdec_subscribe_input_port_settings_change(struct msm_vidc_inst *inst,
 	enum msm_vidc_port_type port)
 {
@@ -1735,10 +1723,6 @@ int msm_vdec_streamon_output(struct msm_vidc_inst *inst)
 	if (rc)
 		goto error;
 
-	rc = msm_vdec_release_output_internal_buffers(inst);
-	if (rc)
-		goto error;
-
 	rc = msm_vdec_create_output_internal_buffers(inst);
 	if (rc)
 		goto error;

driver/vidc/src/venus_hfi.c

@@ -2522,6 +2522,9 @@ static int __response_handler(struct msm_vidc_core *core)
 {
 	int rc = 0;
 
+	if (call_venus_op(core, watchdog, core, core->intr_status))
+		return handle_system_error(core, NULL);
+
 	memset(core->response_packet, 0, core->packet_size);
 	while (!__iface_msgq_read(core, core->response_packet)) {
 		rc = handle_response(core, core->response_packet);

driver/vidc/src/venus_hfi_response.c

@@ -310,7 +310,7 @@ static int handle_session_error(struct msm_vidc_inst *inst,
 	return rc;
 }
 
-static int handle_system_error(struct msm_vidc_core *core,
+int handle_system_error(struct msm_vidc_core *core,
 	struct hfi_packet *pkt)
 {
 	d_vpr_e("%s: system error received\n", __func__);