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Commit 136a5c29 authored by Jeremy Gebben's avatar Jeremy Gebben
Browse files

msm: kgsl: fix soft reset sequence 



We need to trigger soft reset before writing registers
rather than after.

Change-Id: If7bc5b1b846d8a5a8f25d336d2ca63bb215e3124
Signed-off-by: default avatarJeremy Gebben <jgebben@codeaurora.org>
parent 4112deb8

drivers/gpu/msm/adreno.c

+4 −4
Original line number Diff line number Diff line
@@ -1387,6 +1387,10 @@ static int _adreno_start(struct adreno_device *adreno_dev) 
	/* Set the bit to indicate that we've just powered on */

	set_bit(ADRENO_DEVICE_PWRON, &adreno_dev->priv);



	/* Soft reset the GPU if a regulator is stuck on*/

	if (regulator_left_on)

		_soft_reset(adreno_dev);



	status = kgsl_mmu_start(device);

	if (status)

		goto error_pwr_off;
@@ -1412,10 +1416,6 @@ static int _adreno_start(struct adreno_device *adreno_dev) 
		goto error_mmu_off;

	}



	/* Soft reset GPU if regulator is stuck on*/

	if (regulator_left_on)

		_soft_reset(adreno_dev);



	if (adreno_dev->perfctr_pwr_lo == 0) {

		int ret = adreno_perfcounter_get(adreno_dev,

			KGSL_PERFCOUNTER_GROUP_PWR, 1,