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Commit 0aba3311 authored by Sravankumar bijili's avatar Sravankumar bijili
Browse files

msm: kgsl: Dump ringbuffer in snapshot when GX GDSC is off 



Allow ringbuffer dump in snapshot when GX is off, as it is
not having any dependency with the GX GDSC sate.

Change-Id: I73f55ae983647189617264973446413a9cc38b04
Signed-off-by: default avatarHareesh Gundu <hareeshg@codeaurora.org>
Signed-off-by: default avatarSravankumar bijili <csbijil@codeaurora.org>
parent 1f373e21

drivers/gpu/msm/adreno_snapshot.c

+14 −14
Original line number Diff line number Diff line
@@ -287,13 +287,10 @@ static void snapshot_rb_ibs(struct kgsl_device *device, 
		struct kgsl_snapshot *snapshot)

{

	struct adreno_device *adreno_dev = ADRENO_DEVICE(device);

	unsigned int rptr, *rbptr;

	unsigned int *rbptr, rptr = adreno_get_rptr(rb);

	int index, i;

	int parse_ibs = 0, ib_parse_start;



	/* Get the current read pointers for the RB */

	adreno_readreg(adreno_dev, ADRENO_REG_CP_RB_RPTR, &rptr);



	/*

	 * Figure out the window of ringbuffer data to dump.  First we need to

	 * find where the last processed IB ws submitted.  Start walking back
@@ -857,6 +854,7 @@ void adreno_snapshot(struct kgsl_device *device, struct kgsl_snapshot *snapshot, 
	struct adreno_device *adreno_dev = ADRENO_DEVICE(device);

	struct adreno_gpudev *gpudev = ADRENO_GPU_DEVICE(adreno_dev);

	struct gmu_dev_ops *gmu_dev_ops = GMU_DEVICE_OPS(device);

	bool gx_on = true;



	ib_max_objs = 0;

	/* Reset the list of objects */
@@ -868,20 +866,22 @@ void adreno_snapshot(struct kgsl_device *device, struct kgsl_snapshot *snapshot, 
	if (gpudev->snapshot)

		gpudev->snapshot(adreno_dev, snapshot);



	/* Dumping these buffers is useless if the GX is not on */

	if (GMU_DEV_OP_VALID(gmu_dev_ops, gx_is_on) &&

			!gmu_dev_ops->gx_is_on(adreno_dev))

		return;

	if (GMU_DEV_OP_VALID(gmu_dev_ops, gx_is_on))

		gx_on = gmu_dev_ops->gx_is_on(adreno_dev);



	setup_fault_process(device, snapshot,

			context ? context->proc_priv : NULL);



	if (gx_on) {

		adreno_readreg64(adreno_dev, ADRENO_REG_CP_IB1_BASE,

				ADRENO_REG_CP_IB1_BASE_HI, &snapshot->ib1base);

	adreno_readreg(adreno_dev, ADRENO_REG_CP_IB1_BUFSZ, &snapshot->ib1size);

		adreno_readreg(adreno_dev, ADRENO_REG_CP_IB1_BUFSZ,

				&snapshot->ib1size);

		adreno_readreg64(adreno_dev, ADRENO_REG_CP_IB2_BASE,

				ADRENO_REG_CP_IB2_BASE_HI, &snapshot->ib2base);

	adreno_readreg(adreno_dev, ADRENO_REG_CP_IB2_BUFSZ, &snapshot->ib2size);

		adreno_readreg(adreno_dev, ADRENO_REG_CP_IB2_BUFSZ,

				&snapshot->ib2size);

	}



	snapshot->ib1dumped = false;

	snapshot->ib2dumped = false;