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Commit a16261c8 authored by Shubhraprakash Das's avatar Shubhraprakash Das
Browse files

msm: kgsl: Increase the timeout value for fault detection 



Increment the timeout value for detecting faults from 50ms to
200ms. The fault detection mechanism is a backup to hardware
fault detection. 50ms is small since it has been observed that
this mechanism triggers false positives with 50ms.

CRs-Fixed: 630776
Change-Id: I8f382051e06bdc47f152309a2868092e1980604e
Signed-off-by: default avatarShubhraprakash Das <sadas@codeaurora.org>
parent 72bd72cf

drivers/gpu/msm/adreno_dispatch.c

+1 −7
Original line number Diff line number Diff line
@@ -50,7 +50,7 @@ static unsigned int _dispatcher_inflight = 15; 
static unsigned int _cmdbatch_timeout = 2000;



/* Interval for reading and comparing fault detection registers */

static unsigned int _fault_timer_interval = 50;

static unsigned int _fault_timer_interval = 200;



/* Local array for the current set of fault detect registers */

static unsigned int fault_detect_regs[FT_DETECT_REGS_COUNT];
@@ -1608,14 +1608,8 @@ void adreno_dispatcher_irq_fault(struct kgsl_device *device) 
 */

void adreno_dispatcher_start(struct kgsl_device *device)

{

	struct adreno_device *adreno_dev = ADRENO_DEVICE(device);



	complete_all(&device->cmdbatch_gate);



	/* a305c GPU is slower than a330 and needs a larger timer */

	if (adreno_is_a305c(adreno_dev))

		_fault_timer_interval = 200;



	/* Schedule the work loop to get things going */

	adreno_dispatcher_schedule(device);

}