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Commit c7fdd108 authored by Harshdeep Dhatt's avatar Harshdeep Dhatt
Browse files

msm: kgsl: Enable preemption for hwscheduling enabled devices 



Send the HFI feature control packet to the GMU in order to enable
preemption.

Change-Id: Ic00e3943bceb29feb28740dbadd3fb7c6fdc562b
Signed-off-by: default avatarHarshdeep Dhatt <hdhatt@codeaurora.org>
parent a9205665

drivers/gpu/msm/adreno_a6xx_hwsched.c

+10 −5
Original line number Diff line number Diff line
@@ -987,18 +987,23 @@ static int a6xx_hwsched_bind(struct device *dev, struct device *master, 
	void *data)

{

	struct kgsl_device *device = dev_get_drvdata(master);

	struct adreno_device *adreno_dev = ADRENO_DEVICE(device);

	int ret;



	ret = a6xx_gmu_probe(device, to_platform_device(dev));

	if (ret)

		goto error;



	ret = a6xx_hwsched_hfi_probe(ADRENO_DEVICE(device));

	ret = a6xx_hwsched_hfi_probe(adreno_dev);

	if (ret)

		goto error;



	if (!ret) {

	set_bit(GMU_DISPATCH, &device->gmu_core.flags);



	if (ADRENO_FEATURE(adreno_dev, ADRENO_PREEMPTION))

		set_bit(ADRENO_DEVICE_PREEMPTION, &adreno_dev->priv);



	return 0;

	}



error:

	a6xx_gmu_remove(device);

drivers/gpu/msm/adreno_a6xx_hwsched_hfi.c

+8 −1
Original line number Diff line number Diff line
@@ -769,7 +769,14 @@ int a6xx_hwsched_hfi_start(struct adreno_device *adreno_dev) 


	ret = a6xx_hfi_send_feature_ctrl(adreno_dev, HFI_FEATURE_KPROF, 1, 0);

	if (ret)

		return ret;

		goto err;



	if (adreno_is_preemption_enabled(adreno_dev)) {

		ret = a6xx_hfi_send_feature_ctrl(adreno_dev,

			HFI_FEATURE_PREEMPTION, 1, 0);

		if (ret)

			goto err;

	}



	ret = a6xx_hfi_send_core_fw_start(adreno_dev);

	if (ret)