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Commit 39574012 authored by Dhaval Patel's avatar Dhaval Patel
Browse files

drm/msm/sde: print fence information during failure 



Print fence name, seqno and timeline information
when fence wait fails.

Change-Id: I0015f52853a59713a19a9de039aabe52c90e0129
Signed-off-by: default avatarDhaval Patel <pdhaval@codeaurora.org>
parent b205a1ee

drivers/gpu/drm/msm/sde/sde_fence.c

+20 −1
Original line number Diff line number Diff line
@@ -16,6 +16,8 @@ 
#include "sde_kms.h"

#include "sde_fence.h"



#define TIMELINE_VAL_LENGTH		128



void *sde_sync_get(uint64_t fd)

{

	/* force signed compare, fdget accepts an int argument */
@@ -31,14 +33,31 @@ void sde_sync_put(void *fence) 
signed long sde_sync_wait(void *fnc, long timeout_ms)

{

	struct fence *fence = fnc;

	int rc;

	char timeline_str[TIMELINE_VAL_LENGTH];



	if (!fence)

		return -EINVAL;

	else if (fence_is_signaled(fence))

		return timeout_ms ? msecs_to_jiffies(timeout_ms) : 1;



	return fence_wait_timeout(fence, true,

	rc = fence_wait_timeout(fence, true,

				msecs_to_jiffies(timeout_ms));

	if (!rc || (rc == -EINVAL)) {

		if (fence->ops->timeline_value_str)

			fence->ops->timeline_value_str(fence,

					timeline_str, TIMELINE_VAL_LENGTH);



		SDE_ERROR(

			"fence driver name:%s timeline name:%s seqno:0x%x timeline:%s signaled:0x%x\n",

			fence->ops->get_driver_name(fence),

			fence->ops->get_timeline_name(fence),

			fence->seqno, timeline_str,

			fence->ops->signaled ?

				fence->ops->signaled(fence) : 0xffffffff);

	}



	return rc;

}



uint32_t sde_sync_get_name_prefix(void *fence)