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Commit 33d5986a authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "msm: kgsl: Reset ringbuffer pointers if CP INIT fails"

parents 209bb77a da6b11b3

drivers/gpu/msm/adreno_a6xx.c

+9 −1
Original line number Diff line number Diff line
@@ -982,6 +982,7 @@ static void _set_ordinals(struct adreno_device *adreno_dev, 
static int a6xx_send_cp_init(struct adreno_device *adreno_dev,

			 struct adreno_ringbuffer *rb)

{

	struct kgsl_device *device = KGSL_DEVICE(adreno_dev);

	unsigned int *cmds;

	int ret;
@@ -994,10 +995,17 @@ static int a6xx_send_cp_init(struct adreno_device *adreno_dev, 
	_set_ordinals(adreno_dev, cmds, 11);



	ret = adreno_ringbuffer_submit_spin(rb, NULL, 2000);

	if (ret)

	if (ret) {

		adreno_spin_idle_debug(adreno_dev,

				"CP initialization failed to idle\n");



		if (!adreno_is_a3xx(adreno_dev))

			kgsl_sharedmem_writel(device, &device->scratch,

					SCRATCH_RPTR_OFFSET(rb->id), 0);

		rb->wptr = 0;

		rb->_wptr = 0;

	}



	return ret;

}