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Commit dcdacafa authored by Lucille Sylvester's avatar Lucille Sylvester
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msm: kgsl: Don't enable VBIF counters for targets that don't use them 



Only targets with separate bus control need the VBIF counters enabled
by default.

Change-Id: I3a7fcedebf7a7cc80bc1bec5a7fd298b49b9b165
Signed-off-by: default avatarLucille Sylvester <lsylvest@codeaurora.org>
parent ca6129fc

drivers/gpu/msm/adreno_a3xx.c

+8 −4
Original line number Diff line number Diff line
@@ -1941,6 +1941,7 @@ void a3xx_perfcounter_close(struct adreno_device *adreno_dev) 
int a3xx_perfcounter_init(struct adreno_device *adreno_dev)

{

	int ret;

	struct kgsl_device *device = &adreno_dev->dev;

	/* SP[3] counter is broken on a330 so disable it if a330 device */

	if (adreno_is_a330(adreno_dev))

		a3xx_perfcounters_sp[3].countable = KGSL_PERFCOUNTER_BROKEN;
@@ -1953,16 +1954,19 @@ int a3xx_perfcounter_init(struct adreno_device *adreno_dev) 
	ret = adreno_perfcounter_get(adreno_dev, KGSL_PERFCOUNTER_GROUP_PWR, 1,

			NULL, NULL, PERFCOUNTER_FLAG_KERNEL);



	if (device->pwrctrl.bus_control) {

		/* VBIF waiting for RAM */

		ret |= adreno_perfcounter_get(adreno_dev,

				KGSL_PERFCOUNTER_GROUP_VBIF_PWR, 0,

				NULL, NULL, PERFCOUNTER_FLAG_KERNEL);



		/* VBIF DDR cycles */

	ret |= adreno_perfcounter_get(adreno_dev, KGSL_PERFCOUNTER_GROUP_VBIF,

		ret |= adreno_perfcounter_get(adreno_dev,

				KGSL_PERFCOUNTER_GROUP_VBIF,

				VBIF_AXI_TOTAL_BEATS,

				&adreno_dev->ram_cycles_lo, NULL,

				PERFCOUNTER_FLAG_KERNEL);

	}



	/* Default performance counter profiling to false */

	adreno_dev->profile.enabled = false;