[PATCH 2/2] drm/amdgpu: use real_vram_size in ttm_vram_fops

[Pierre-Eric Pelloux-Prayer]

If amdgpu.vramlimit=XXXX is used, amdgpu_gmc_vram_location will update
real_vram_size based on this value.
mc_vram_size is the real amount of VRAM, initialized in gmc_..._mc_init.

Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 952e99e6d07e..8f245e9f8f7c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -2252,10 +2252,10 @@ static ssize_t amdgpu_ttm_vram_read(struct file *f, char __user *buf,
 	if (size & 0x3 || *pos & 0x3)
 		return -EINVAL;
 
-	if (*pos >= adev->gmc.mc_vram_size)
+	if (*pos >= adev->gmc.real_vram_size)
 		return -ENXIO;
 
-	size = min(size, (size_t)(adev->gmc.mc_vram_size - *pos));
+	size = min(size, (size_t)(adev->gmc.real_vram_size - *pos));
 	while (size) {
 		size_t bytes = min(size, AMDGPU_TTM_VRAM_MAX_DW_READ * 4);
 		uint32_t value[AMDGPU_TTM_VRAM_MAX_DW_READ];
@@ -2288,13 +2288,13 @@ static ssize_t amdgpu_ttm_vram_write(struct file *f, const char __user *buf,
 	if (size & 0x3 || *pos & 0x3)
 		return -EINVAL;
 
-	if (*pos >= adev->gmc.mc_vram_size)
+	if (*pos >= adev->gmc.real_vram_size)
 		return -ENXIO;
 
 	while (size) {
 		uint32_t value;
 
-		if (*pos >= adev->gmc.mc_vram_size)
+		if (*pos >= adev->gmc.real_vram_size)
 			return result;
 
 		r = get_user(value, (uint32_t *)buf);
@@ -2442,7 +2442,7 @@ void amdgpu_ttm_debugfs_init(struct amdgpu_device *adev)
 	struct dentry *root = minor->debugfs_root;
 
 	debugfs_create_file_size("amdgpu_vram", 0444, root, adev,
-				 &amdgpu_ttm_vram_fops, adev->gmc.mc_vram_size);
+				 &amdgpu_ttm_vram_fops, adev->gmc.real_vram_size);
 	debugfs_create_file("amdgpu_iomem", 0444, root, adev,
 			    &amdgpu_ttm_iomem_fops);
 	debugfs_create_file("amdgpu_vram_mm", 0444, root, adev,
-- 
2.36.1