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drm/amd/amdgpu: Fold TTM debugfs entries into array (v2)

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Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

(v2): add domains and avoid strcmp
This commit is contained in:
Tom St Denis 2017-09-18 07:14:56 -04:00 committed by Alex Deucher
parent 0b693f0b56
commit a40cfa0bef
2 changed files with 32 additions and 26 deletions
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54
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
View file

@ -1809,6 +1809,19 @@ static const struct file_operations amdgpu_ttm_gtt_fops = {
#endif
static const struct {
char *name;
const struct file_operations *fops;
int domain;
} ttm_debugfs_entries[] = {
{ "amdgpu_vram", &amdgpu_ttm_vram_fops, TTM_PL_VRAM },
#ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS
{ "amdgpu_gtt", &amdgpu_ttm_gtt_fops, TTM_PL_TT },
#endif
};
#endif
static int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev)
@ -1819,22 +1832,21 @@ static int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev)
struct drm_minor *minor = adev->ddev->primary;
struct dentry *ent, *root = minor->debugfs_root;
ent = debugfs_create_file("amdgpu_vram", S_IFREG | S_IRUGO, root,
adev, &amdgpu_ttm_vram_fops);
if (IS_ERR(ent))
return PTR_ERR(ent);
i_size_write(ent->d_inode, adev->mc.mc_vram_size);
adev->mman.vram = ent;
for (count = 0; count < ARRAY_SIZE(ttm_debugfs_entries); count++) {
ent = debugfs_create_file(
ttm_debugfs_entries[count].name,
S_IFREG | S_IRUGO, root,
adev,
ttm_debugfs_entries[count].fops);
if (IS_ERR(ent))
return PTR_ERR(ent);
if (ttm_debugfs_entries[count].domain == TTM_PL_VRAM)
i_size_write(ent->d_inode, adev->mc.mc_vram_size);
else if (ttm_debugfs_entries[count].domain == TTM_PL_TT)
i_size_write(ent->d_inode, adev->mc.gart_size);
adev->mman.debugfs_entries[count] = ent;
}
#ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS
ent = debugfs_create_file("amdgpu_gtt", S_IFREG | S_IRUGO, root,
adev, &amdgpu_ttm_gtt_fops);
if (IS_ERR(ent))
return PTR_ERR(ent);
i_size_write(ent->d_inode, adev->mc.gart_size);
adev->mman.gtt = ent;
#endif
count = ARRAY_SIZE(amdgpu_ttm_debugfs_list);
#ifdef CONFIG_SWIOTLB
@ -1844,7 +1856,6 @@ static int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev)
return amdgpu_debugfs_add_files(adev, amdgpu_ttm_debugfs_list, count);
#else
return 0;
#endif
}
@ -1852,14 +1863,9 @@ static int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev)
static void amdgpu_ttm_debugfs_fini(struct amdgpu_device *adev)
{
#if defined(CONFIG_DEBUG_FS)
unsigned i;
debugfs_remove(adev->mman.vram);
adev->mman.vram = NULL;
#ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS
debugfs_remove(adev->mman.gtt);
adev->mman.gtt = NULL;
#endif
for (i = 0; i < ARRAY_SIZE(ttm_debugfs_entries); i++)
debugfs_remove(adev->mman.debugfs_entries[i]);
#endif
}

4
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
View file

@ -24,6 +24,7 @@
#ifndef __AMDGPU_TTM_H__
#define __AMDGPU_TTM_H__
#include "amdgpu.h"
#include "gpu_scheduler.h"
#define AMDGPU_PL_GDS (TTM_PL_PRIV + 0)
@ -45,8 +46,7 @@ struct amdgpu_mman {
bool initialized;
#if defined(CONFIG_DEBUG_FS)
struct dentry *vram;
struct dentry *gtt;
struct dentry *debugfs_entries[8];
#endif
/* buffer handling */