Merge "msm: kgsl: Send a pipeline stat event at GPU start"

	return cmds - cmds_orig;

}

static void a5xx_preemption_load(struct adreno_device *adreno_dev)

static void a5xx_post_start(struct adreno_device *adreno_dev)

{

	unsigned int *cmds, *start;

	int status = 0;

	struct kgsl_device *device = &(adreno_dev->dev);

	struct adreno_ringbuffer *rb = adreno_dev->cur_rb;

	if (!adreno_is_preemption_enabled(adreno_dev))

		return;

	cmds = adreno_ringbuffer_allocspace(rb, 40);

	cmds = adreno_ringbuffer_allocspace(rb, 42);

	if (IS_ERR_OR_NULL(cmds))

		return;

	start = cmds;

	/*

	 * Send a pipeline stat event whenever the GPU gets powered up

	 * to cause misbehaving perf counters to start ticking

	 */

	if (adreno_is_a530(adreno_dev)) {

		*cmds++ = cp_packet(adreno_dev, CP_EVENT_WRITE, 1);

		*cmds++ = 0xF;

	}

	if (adreno_is_preemption_enabled(adreno_dev))

		cmds += _preemption_init(adreno_dev, rb, cmds, 0);

	rb->wptr = rb->wptr - (40 - (cmds - start));

	if (cmds == start)

		return;

	rb->wptr = rb->wptr - (42 - (cmds - start));

	adreno_ringbuffer_submit(rb, NULL);

	/* Enable limits management */

	a5xx_lm_enable(adreno_dev);

	/* Program preemption */

	a5xx_preemption_load(adreno_dev);

	a5xx_post_start(adreno_dev);

	/* Enable GPMU based power collapse */

	a5xx_enable_pc(adreno_dev);