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From 9c4806ee69a32a6072832a711a33e02d403e28e2 Mon Sep 17 00:00:00 2001
From: "Le.Ma" <Le.Ma@amd.com>
Date: Wed, 11 Oct 2017 16:00:21 +0800
Subject: [PATCH 1839/4131] drm/amdkcl: [RHEL 6] Skip iova_to_phys support for
rhel6 due to no iommu API
Change-Id: Ia31f2e1dc8c355ba26d131bacfe13753974081a1
Signed-off-by: Le.Ma <Le.Ma@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index e6cae02..c1a4ff9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -2073,6 +2073,8 @@ static const struct file_operations amdgpu_ttm_gtt_fops = {
#endif
+#if !defined(OS_NAME_RHEL_6)
+
static ssize_t amdgpu_iova_to_phys_read(struct file *f, char __user *buf,
size_t size, loff_t *pos)
{
@@ -2172,6 +2174,8 @@ static const struct file_operations amdgpu_ttm_iova_fops = {
.llseek = default_llseek
};
+#endif
+
static const struct {
char *name;
const struct file_operations *fops;
@@ -2181,7 +2185,9 @@ static const struct {
#ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS
{ "amdgpu_gtt", &amdgpu_ttm_gtt_fops, TTM_PL_TT },
#endif
+#if !defined(OS_NAME_RHEL_6)
{ "amdgpu_iova", &amdgpu_ttm_iova_fops, TTM_PL_SYSTEM },
+#endif
};
#endif
--
2.7.4
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