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Commit 75c5cb0a authored by Lokesh Batra's avatar Lokesh Batra
Browse files

msm: kgsl: Force KGSL Per Process Page Table to be False for A310 



KGSL Per Process Page Table is not working for A310. So we disable
it for now.

Change-Id: I74f8034b3240a9c1f686cb1f87b961d7f41ffbb1
Signed-off-by: default avatarLokesh Batra <lbatra@codeaurora.org>
parent 9f8f4c98

drivers/gpu/msm/adreno.c

+3 −3
Original line number Diff line number Diff line
@@ -1601,6 +1601,9 @@ adreno_probe(struct platform_device *pdev) 
	if (status != 0)

		goto error;



	/* Identify the specific GPU */

	adreno_identify_gpu(adreno_dev);



	status = kgsl_device_platform_probe(device);

	if (status)

		goto error_close_rb;
@@ -1675,9 +1678,6 @@ static int adreno_init(struct kgsl_device *device) 
	/* Power up the device */

	kgsl_pwrctrl_enable(device);



	/* Identify the specific GPU */

	adreno_identify_gpu(adreno_dev);



	if (adreno_ringbuffer_read_pm4_ucode(device)) {

		KGSL_DRV_ERR(device, "Reading pm4 microcode failed %s\n",

			adreno_dev->pm4_fwfile);

drivers/gpu/msm/kgsl_iommu.c

+6 −0
Original line number Diff line number Diff line
@@ -1349,6 +1349,8 @@ static int kgsl_iommu_init(struct kgsl_mmu *mmu) 
	 */

	int status = 0;

	struct kgsl_iommu *iommu;

	struct kgsl_device *device = mmu->device;

	struct adreno_device *adreno_dev = ADRENO_DEVICE(device);



	atomic_set(&mmu->fault, 0);

	iommu = kzalloc(sizeof(struct kgsl_iommu), GFP_KERNEL);
@@ -1375,6 +1377,10 @@ static int kgsl_iommu_init(struct kgsl_mmu *mmu) 
				(msm_soc_version_supports_iommu_v0() ||

				 iommu->iommu_units[0].iommu_halt_enable);



	/* KGSL Per Process Page Table is broken for A310*/

	if (adreno_is_a310(adreno_dev))

		mmu->pt_per_process = 0;



	/*

	 * For IOMMU per-process pagetables, the allocatable range

	 * and the kernel global range must both be outside