drm/amdgpu: Mark all instances of struct drm_info_list as const

All these are compile time constand and the
drm_debugfs_create/remove_files functions take a const
pointer argument.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Nils Wallménius <nils.wallmenius@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -1701,12 +1701,12 @@ static inline void amdgpu_mn_unregister(struct amdgpu_bo *bo) {}
  * Debugfs
  */
 struct amdgpu_debugfs {
-	struct drm_info_list	*files;
+	const struct drm_info_list	*files;
 	unsigned		num_files;
 };
 
 int amdgpu_debugfs_add_files(struct amdgpu_device *adev,
-			     struct drm_info_list *files,
+			     const struct drm_info_list *files,
 			     unsigned nfiles);
 int amdgpu_debugfs_fence_init(struct amdgpu_device *adev);
 

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -2009,7 +2009,7 @@ void amdgpu_get_pcie_info(struct amdgpu_device *adev)
  * Debugfs
  */
 int amdgpu_debugfs_add_files(struct amdgpu_device *adev,
-			     struct drm_info_list *files,
+			     const struct drm_info_list *files,
 			     unsigned nfiles)
 {
 	unsigned i;

drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c

@@ -639,7 +639,7 @@ static int amdgpu_debugfs_gpu_reset(struct seq_file *m, void *data)
 	return 0;
 }
 
-static struct drm_info_list amdgpu_debugfs_fence_list[] = {
+static const struct drm_info_list amdgpu_debugfs_fence_list[] = {
 	{"amdgpu_fence_info", &amdgpu_debugfs_fence_info, 0, NULL},
 	{"amdgpu_gpu_reset", &amdgpu_debugfs_gpu_reset, 0, NULL}
 };

drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c

@@ -797,7 +797,7 @@ static int amdgpu_debugfs_gem_info(struct seq_file *m, void *data)
 	return 0;
 }
 
-static struct drm_info_list amdgpu_debugfs_gem_list[] = {
+static const struct drm_info_list amdgpu_debugfs_gem_list[] = {
 	{"amdgpu_gem_info", &amdgpu_debugfs_gem_info, 0, NULL},
 };
 #endif

drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c

@@ -329,7 +329,7 @@ static int amdgpu_debugfs_sa_info(struct seq_file *m, void *data)
 
 }
 
-static struct drm_info_list amdgpu_debugfs_sa_list[] = {
+static const struct drm_info_list amdgpu_debugfs_sa_list[] = {
 	{"amdgpu_sa_info", &amdgpu_debugfs_sa_info, 0, NULL},
 };
 

drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c

@@ -1212,7 +1212,7 @@ static int amdgpu_debugfs_pm_info(struct seq_file *m, void *data)
 	return 0;
 }
 
-static struct drm_info_list amdgpu_pm_info_list[] = {
+static const struct drm_info_list amdgpu_pm_info_list[] = {
 	{"amdgpu_pm_info", amdgpu_debugfs_pm_info, 0, NULL},
 };
 #endif

drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c

@@ -427,7 +427,7 @@ static int r600_uvd_index = offsetof(struct amdgpu_device, uvd.ring);
 static int si_vce1_index = offsetof(struct amdgpu_device, vce.ring[0]);
 static int si_vce2_index = offsetof(struct amdgpu_device, vce.ring[1]);
 
-static struct drm_info_list amdgpu_debugfs_ring_info_list[] = {
+static const struct drm_info_list amdgpu_debugfs_ring_info_list[] = {
 	{"amdgpu_ring_gfx", amdgpu_debugfs_ring_info, 0, &amdgpu_gfx_index},
 	{"amdgpu_ring_cp1", amdgpu_debugfs_ring_info, 0, &cayman_cp1_index},
 	{"amdgpu_ring_cp2", amdgpu_debugfs_ring_info, 0, &cayman_cp2_index},
@@ -445,7 +445,7 @@ static int amdgpu_debugfs_ring_init(struct amdgpu_device *adev, struct amdgpu_ri
 #if defined(CONFIG_DEBUG_FS)
 	unsigned i;
 	for (i = 0; i < ARRAY_SIZE(amdgpu_debugfs_ring_info_list); ++i) {
-		struct drm_info_list *info = &amdgpu_debugfs_ring_info_list[i];
+		const struct drm_info_list *info = &amdgpu_debugfs_ring_info_list[i];
 		int roffset = *(int*)amdgpu_debugfs_ring_info_list[i].data;
 		struct amdgpu_ring *other = (void *)(((uint8_t*)adev) + roffset);
 		unsigned r;

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

@@ -1165,7 +1165,7 @@ static int amdgpu_mm_dump_table(struct seq_file *m, void *data)
 static int ttm_pl_vram = TTM_PL_VRAM;
 static int ttm_pl_tt = TTM_PL_TT;
 
-static struct drm_info_list amdgpu_ttm_debugfs_list[] = {
+static const struct drm_info_list amdgpu_ttm_debugfs_list[] = {
 	{"amdgpu_vram_mm", amdgpu_mm_dump_table, 0, &ttm_pl_vram},
 	{"amdgpu_gtt_mm", amdgpu_mm_dump_table, 0, &ttm_pl_tt},
 	{"ttm_page_pool", ttm_page_alloc_debugfs, 0, NULL},