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Commit 230d1add authored by Prakash Kamliya's avatar Prakash Kamliya
Browse files

msm: kgsl: Reduce active context timer from 500ms to 100ms 



Reduce the active context time from 500ms to 100ms, 500ms
seems to be a larger value for tracking active contexts
seen for the command queue.

Change-Id: I258e162b179451fa1f7774e0cc29a1e8be56195e
Signed-off-by: default avatarPrakash Kamliya <pkamliya@codeaurora.org>
parent 9d19a050

drivers/gpu/msm/adreno_dispatch.c

+4 −4
Original line number Diff line number Diff line
@@ -87,7 +87,7 @@ static int dispatcher_do_fault(struct kgsl_device *device); 
 * @id: ID of the context to add

 *

 * This function is called when a new item is added to a context - this tracks

 * the number of active contexts seen in the last 500ms for the command queue

 * the number of active contexts seen in the last 100ms for the command queue

 */

static void _track_context(struct adreno_dispatcher_cmdqueue *cmdqueue,

		unsigned int id)
@@ -102,7 +102,7 @@ static void _track_context(struct adreno_dispatcher_cmdqueue *cmdqueue, 


		/* If the new ID matches the slot update the expire time */

		if (list[i].id == id) {

			list[i].jiffies = jiffies + msecs_to_jiffies(500);

			list[i].jiffies = jiffies + msecs_to_jiffies(100);

			updated = true;

			count++;

			continue;
@@ -127,7 +127,7 @@ static void _track_context(struct adreno_dispatcher_cmdqueue *cmdqueue, 
	if (updated == false) {

		int pos = (empty != -1) ? empty : oldest;



		list[pos].jiffies = jiffies + msecs_to_jiffies(500);

		list[pos].jiffies = jiffies + msecs_to_jiffies(100);

		list[pos].id = id;

		count++;

	}
@@ -136,7 +136,7 @@ static void _track_context(struct adreno_dispatcher_cmdqueue *cmdqueue, 
}



/*

 *  If only one context has queued in the last 500 millseconds increase

 *  If only one context has queued in the last 100 milliseconds increase

 *  inflight to a high number to load up the GPU. If multiple contexts

 *  have queued drop the inflight for better context switch latency.

 *  If no contexts have queued what are you even doing here?