Merge "msm: kgsl: Add pagetable base mismatch info in pagefault handler" (fa9bfc10) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/gpu/msm/kgsl_iommu.c

+12 −1

Original line number	Diff line number	Diff line
		@@ -749,7 +749,7 @@ static int kgsl_iommu_fault_handler(struct iommu_domain *domain,
		struct kgsl_mmu *mmu = pt->mmu;
		struct kgsl_iommu *iommu;
		struct kgsl_iommu_context *ctx;
		u64 ptbase;
		u64 ptbase, proc_ptbase;
		u32 contextidr;
		pid_t pid = 0;
		pid_t ptname;
		@@ -861,6 +861,17 @@ static int kgsl_iommu_fault_handler(struct iommu_domain *domain,
		"GPU PAGE FAULT: addr = %lX pid= %d name=%s\n", addr,
		ptname,
		context != NULL ? context->proc_priv->comm : "unknown");

		if (context != NULL) {
		proc_ptbase = kgsl_mmu_pagetable_get_ttbr0(
		context->proc_priv->pagetable);

		if (ptbase != proc_ptbase)
		KGSL_MEM_CRIT(ctx->kgsldev,
		"Pagetable address mismatch: HW address is 0x%llx but SW expected 0x%llx\n",
		ptbase, proc_ptbase);
		}

		KGSL_MEM_CRIT(ctx->kgsldev,
		"context=%s ctx_type=%s TTBR0=0x%llx CIDR=0x%x (%s %s fault)\n",
		ctx->name, api_str, ptbase, contextidr,