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From:   ira.weiny@intel.com
To:     David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
        Patrik Jakobsson <patrik.r.jakobsson@gmail.com>,
        Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>
Cc:     Ira Weiny <ira.weiny@intel.com>, amd-gfx@lists.freedesktop.org,
        dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
        intel-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org
Subject: [PATCH V2 2/7] drm/amd: Replace kmap() with kmap_local_page()
Date:   Sun, 23 Jan 2022 17:54:04 -0800
Message-Id: <20220124015409.807587-3-ira.weiny@intel.com>
In-Reply-To: <20220124015409.807587-1-ira.weiny@intel.com>
References: <20220124015409.807587-1-ira.weiny@intel.com>
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From: Ira Weiny <ira.weiny@intel.com>

kmap() is being deprecated.  These maps are thread local and can be
replaced with kmap_local_page().

Replace kmap() with kmap_local_page()

Signed-off-by: Ira Weiny <ira.weiny@intel.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 5c3f24069f2a..54973824f8f9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -2272,9 +2272,9 @@ static ssize_t amdgpu_iomem_read(struct file *f, char __user *buf,
 		if (p->mapping != adev->mman.bdev.dev_mapping)
 			return -EPERM;
 
-		ptr = kmap(p);
+		ptr = kmap_local_page(p);
 		r = copy_to_user(buf, ptr + off, bytes);
-		kunmap(p);
+		kunmap_local(ptr);
 		if (r)
 			return -EFAULT;
 
@@ -2323,9 +2323,9 @@ static ssize_t amdgpu_iomem_write(struct file *f, const char __user *buf,
 		if (p->mapping != adev->mman.bdev.dev_mapping)
 			return -EPERM;
 
-		ptr = kmap(p);
+		ptr = kmap_local_page(p);
 		r = copy_from_user(ptr + off, buf, bytes);
-		kunmap(p);
+		kunmap_local(ptr);
 		if (r)
 			return -EFAULT;
 
-- 
2.31.1