diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 0d54141ff089..5738eac9aebd 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -356,6 +356,12 @@ int adreno_fault_handler(struct msm_gpu *gpu, unsigned long iova, int flags, return 0; } +static bool +valid_per_process_vm(struct msm_gpu *gpu, struct drm_gpuvm *vm) +{ + return (vm != gpu->vm); +} + int adreno_get_param(struct msm_gpu *gpu, struct msm_context *ctx, uint32_t param, uint64_t *value, uint32_t *len) { @@ -414,12 +420,12 @@ int adreno_get_param(struct msm_gpu *gpu, struct msm_context *ctx, *value = gpu->suspend_count; return 0; case MSM_PARAM_VA_START: - if (vm == gpu->vm) + if (!valid_per_process_vm(gpu, vm)) return UERR(EINVAL, drm, "requires per-process pgtables"); *value = vm->mm_start; return 0; case MSM_PARAM_VA_SIZE: - if (vm == gpu->vm) + if (!valid_per_process_vm(gpu, vm)) return UERR(EINVAL, drm, "requires per-process pgtables"); *value = vm->mm_range; return 0;