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Commit 3ddeed80 authored by Prakash Kamliya's avatar Prakash Kamliya Committed by Divya Ponnusamy
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msm: kgsl: Fix state transition action from deep_nap state 



Deep nap removes the quality of service latency vote. Restore device
before powering back the GPU while coming out of deep nap.

Change-Id: I9366ffa6f5f2768cb3ea10f9117678ba8cf8d190
Signed-off-by: default avatarPrakash Kamliya <pkamliya@codeaurora.org>
Signed-off-by: default avatarDivya Ponnusamy <pdivya@codeaurora.org>
parent ac6766f8

drivers/gpu/msm/kgsl_pwrctrl.c

+5 −2
Original line number Diff line number Diff line
@@ -1935,11 +1935,14 @@ static int _init(struct kgsl_device *device) 
{

	int status = 0;

	switch (device->state) {

	case KGSL_STATE_NAP:

	case KGSL_STATE_DEEP_NAP:

	case KGSL_STATE_SLEEP:

		pm_qos_update_request(&device->pwrctrl.pm_qos_req_dma,

			device->pwrctrl.pm_qos_active_latency);

		/* Get the device out of retention */

		kgsl_pwrctrl_retention_clk(device, KGSL_PWRFLAGS_ON);

		/* fall through */

	case KGSL_STATE_NAP:

	case KGSL_STATE_SLEEP:

		/* Force power on to do the stop */

		status = kgsl_pwrctrl_enable(device);

	case KGSL_STATE_ACTIVE: