[PATCH 2/2] drm/radeon: do not use drm middle layer for debugfs

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Use debugfs API directly instead of drm middle layer.

Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxx>
---
 drivers/gpu/drm/radeon/r100.c          | 84 +++++++++---------------
 drivers/gpu/drm/radeon/r300.c          | 27 ++++----
 drivers/gpu/drm/radeon/r420.c          | 28 +++-----
 drivers/gpu/drm/radeon/r600.c          | 27 ++++----
 drivers/gpu/drm/radeon/radeon.h        | 16 +----
 drivers/gpu/drm/radeon/radeon_asic.h   |  6 +-
 drivers/gpu/drm/radeon/radeon_device.c | 47 +-------------
 drivers/gpu/drm/radeon/radeon_dp_mst.c | 20 +++---
 drivers/gpu/drm/radeon/radeon_fence.c  | 42 ++++++------
 drivers/gpu/drm/radeon/radeon_gem.c    | 20 +++---
 drivers/gpu/drm/radeon/radeon_ib.c     | 26 +++-----
 drivers/gpu/drm/radeon/radeon_mode.h   |  2 +-
 drivers/gpu/drm/radeon/radeon_pm.c     | 32 ++++-----
 drivers/gpu/drm/radeon/radeon_ring.c   | 79 +++++++++++-----------
 drivers/gpu/drm/radeon/radeon_ttm.c    | 90 ++++++++++++++++----------
 drivers/gpu/drm/radeon/rs400.c         | 25 +++----
 drivers/gpu/drm/radeon/rs600.c         |  8 +--
 drivers/gpu/drm/radeon/rv515.c         | 56 ++++------------
 18 files changed, 248 insertions(+), 387 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index aef4efc692b1..8940ae9d60c3 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -32,7 +32,6 @@
 #include <linux/seq_file.h>
 #include <linux/slab.h>
 
-#include <drm/drm_debugfs.h>
 #include <drm/drm_device.h>
 #include <drm/drm_file.h>
 #include <drm/drm_fourcc.h>
@@ -1121,9 +1120,7 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
 	uint32_t tmp;
 	int r;
 
-	if (r100_debugfs_cp_init(rdev)) {
-		DRM_ERROR("Failed to register debugfs file for CP !\n");
-	}
+	r100_debugfs_cp_init(rdev);
 	if (!rdev->me_fw) {
 		r = r100_cp_init_microcode(rdev);
 		if (r) {
@@ -2921,11 +2918,9 @@ static void r100_set_safe_registers(struct radeon_device *rdev)
  * Debugfs info
  */
 #if defined(CONFIG_DEBUG_FS)
-static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
+static int r100_debugfs_rbbm_info_show(struct seq_file *m, void *unused)
 {
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_device *dev = node->minor->dev;
-	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_device *rdev = (struct radeon_device *)m->private;
 	uint32_t reg, value;
 	unsigned i;
 
@@ -2942,11 +2937,9 @@ static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
 	return 0;
 }
 
-static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
+static int r100_debugfs_cp_ring_info_show(struct seq_file *m, void *unused)
 {
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_device *dev = node->minor->dev;
-	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_device *rdev = (struct radeon_device *)m->private;
 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
 	uint32_t rdp, wdp;
 	unsigned count, i, j;
@@ -2970,11 +2963,9 @@ static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
 }
 
 
-static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
+static int r100_debugfs_cp_csq_fifo_show(struct seq_file *m, void *unused)
 {
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_device *dev = node->minor->dev;
-	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_device *rdev = (struct radeon_device *)m->private;
 	uint32_t csq_stat, csq2_stat, tmp;
 	unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
 	unsigned i;
@@ -3020,11 +3011,9 @@ static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
 	return 0;
 }
 
-static int r100_debugfs_mc_info(struct seq_file *m, void *data)
+static int r100_debugfs_mc_info_show(struct seq_file *m, void *unused)
 {
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_device *dev = node->minor->dev;
-	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_device *rdev = (struct radeon_device *)m->private;
 	uint32_t tmp;
 
 	tmp = RREG32(RADEON_CONFIG_MEMSIZE);
@@ -3050,44 +3039,42 @@ static int r100_debugfs_mc_info(struct seq_file *m, void *data)
 	return 0;
 }
 
-static struct drm_info_list r100_debugfs_rbbm_list[] = {
-	{"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
-};
-
-static struct drm_info_list r100_debugfs_cp_list[] = {
-	{"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
-	{"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
-};
+DEFINE_SHOW_ATTRIBUTE(r100_debugfs_rbbm_info);
+DEFINE_SHOW_ATTRIBUTE(r100_debugfs_cp_ring_info);
+DEFINE_SHOW_ATTRIBUTE(r100_debugfs_cp_csq_fifo);
+DEFINE_SHOW_ATTRIBUTE(r100_debugfs_mc_info);
 
-static struct drm_info_list r100_debugfs_mc_info_list[] = {
-	{"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
-};
 #endif
 
-int r100_debugfs_rbbm_init(struct radeon_device *rdev)
+void  r100_debugfs_rbbm_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
-	return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
-#else
-	return 0;
+	struct dentry *root = rdev->ddev->primary->debugfs_root;
+
+	debugfs_create_file("r100_rbbm_info", 0444, root, rdev,
+			    &r100_debugfs_rbbm_info_fops);
 #endif
 }
 
-int r100_debugfs_cp_init(struct radeon_device *rdev)
+void r100_debugfs_cp_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
-	return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
-#else
-	return 0;
+	struct dentry *root = rdev->ddev->primary->debugfs_root;
+
+	debugfs_create_file("r100_cp_ring_info", 0444, root, rdev,
+			    &r100_debugfs_cp_ring_info_fops);
+	debugfs_create_file("r100_cp_csq_fifo", 0444, root, rdev,
+			    &r100_debugfs_cp_csq_fifo_fops);
 #endif
 }
 
-int r100_debugfs_mc_info_init(struct radeon_device *rdev)
+void  r100_debugfs_mc_info_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
-	return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
-#else
-	return 0;
+	struct dentry *root = rdev->ddev->primary->debugfs_root;
+
+	debugfs_create_file("r100_mc_info", 0444, root, rdev,
+			    &r100_debugfs_mc_info_fops);
 #endif
 }
 
@@ -3835,15 +3822,6 @@ void r100_vga_render_disable(struct radeon_device *rdev)
 	WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
 }
 
-static void r100_debugfs(struct radeon_device *rdev)
-{
-	int r;
-
-	r = r100_debugfs_mc_info_init(rdev);
-	if (r)
-		dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
-}
-
 static void r100_mc_program(struct radeon_device *rdev)
 {
 	struct r100_mc_save save;
@@ -4032,7 +4010,7 @@ int r100_init(struct radeon_device *rdev)
 	int r;
 
 	/* Register debugfs file specific to this group of asics */
-	r100_debugfs(rdev);
+	r100_debugfs_mc_info_init(rdev);
 	/* Disable VGA */
 	r100_vga_render_disable(rdev);
 	/* Initialize scratch registers */
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 213dc49b6322..03b0d4a81f7a 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -32,7 +32,6 @@
 
 #include <drm/drm.h>
 #include <drm/drm_crtc_helper.h>
-#include <drm/drm_debugfs.h>
 #include <drm/drm_device.h>
 #include <drm/drm_file.h>
 #include <drm/radeon_drm.h>
@@ -83,7 +82,7 @@ void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 /*
  * rv370,rv380 PCIE GART
  */
-static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
+static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
 
 void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
 {
@@ -140,9 +139,8 @@ int rv370_pcie_gart_init(struct radeon_device *rdev)
 	r = radeon_gart_init(rdev);
 	if (r)
 		return r;
-	r = rv370_debugfs_pcie_gart_info_init(rdev);
-	if (r)
-		DRM_ERROR("Failed to register debugfs file for PCIE gart !\n");
+	rv370_debugfs_pcie_gart_info_init(rdev);
+
 	rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 	rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
 	rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry;
@@ -590,11 +588,9 @@ int rv370_get_pcie_lanes(struct radeon_device *rdev)
 }
 
 #if defined(CONFIG_DEBUG_FS)
-static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data)
+static int rv370_debugfs_pcie_gart_info_show(struct seq_file *m, void *unused)
 {
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_device *dev = node->minor->dev;
-	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_device *rdev = (struct radeon_device *)m->private;
 	uint32_t tmp;
 
 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
@@ -614,17 +610,16 @@ static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data)
 	return 0;
 }
 
-static struct drm_info_list rv370_pcie_gart_info_list[] = {
-	{"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL},
-};
+DEFINE_SHOW_ATTRIBUTE(rv370_debugfs_pcie_gart_info);
 #endif
 
-static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
+static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
-	return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1);
-#else
-	return 0;
+	struct dentry *root = rdev->ddev->primary->debugfs_root;
+
+	debugfs_create_file("rv370_pcie_gart_info", 0444, root, rdev,
+			    &rv370_debugfs_pcie_gart_info_fops);
 #endif
 }
 
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c
index 50b89b6d9a6c..1ed4407b91aa 100644
--- a/drivers/gpu/drm/radeon/r420.c
+++ b/drivers/gpu/drm/radeon/r420.c
@@ -30,7 +30,6 @@
 #include <linux/seq_file.h>
 #include <linux/slab.h>
 
-#include <drm/drm_debugfs.h>
 #include <drm/drm_device.h>
 #include <drm/drm_file.h>
 
@@ -187,12 +186,8 @@ void r420_mc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
 
 static void r420_debugfs(struct radeon_device *rdev)
 {
-	if (r100_debugfs_rbbm_init(rdev)) {
-		DRM_ERROR("Failed to register debugfs file for RBBM !\n");
-	}
-	if (r420_debugfs_pipes_info_init(rdev)) {
-		DRM_ERROR("Failed to register debugfs file for pipes !\n");
-	}
+	r100_debugfs_rbbm_init(rdev);
+	r420_debugfs_pipes_info_init(rdev);
 }
 
 static void r420_clock_resume(struct radeon_device *rdev)
@@ -480,11 +475,9 @@ int r420_init(struct radeon_device *rdev)
  * Debugfs info
  */
 #if defined(CONFIG_DEBUG_FS)
-static int r420_debugfs_pipes_info(struct seq_file *m, void *data)
+static int r420_debugfs_pipes_info_show(struct seq_file *m, void *unused)
 {
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_device *dev = node->minor->dev;
-	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_device *rdev = (struct radeon_device *)m->private;
 	uint32_t tmp;
 
 	tmp = RREG32(R400_GB_PIPE_SELECT);
@@ -496,16 +489,15 @@ static int r420_debugfs_pipes_info(struct seq_file *m, void *data)
 	return 0;
 }
 
-static struct drm_info_list r420_pipes_info_list[] = {
-	{"r420_pipes_info", r420_debugfs_pipes_info, 0, NULL},
-};
+DEFINE_SHOW_ATTRIBUTE(r420_debugfs_pipes_info);
 #endif
 
-int r420_debugfs_pipes_info_init(struct radeon_device *rdev)
+void r420_debugfs_pipes_info_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
-	return radeon_debugfs_add_files(rdev, r420_pipes_info_list, 1);
-#else
-	return 0;
+	struct dentry *root = rdev->ddev->primary->debugfs_root;
+
+	debugfs_create_file("r420_pipes_info", 0444, root, rdev,
+			    &r420_debugfs_pipes_info_fops);
 #endif
 }
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index b44e0c607b1b..a0459b168d53 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -32,7 +32,6 @@
 #include <linux/slab.h>
 #include <linux/seq_file.h>
 
-#include <drm/drm_debugfs.h>
 #include <drm/drm_device.h>
 #include <drm/drm_vblank.h>
 #include <drm/radeon_drm.h>
@@ -106,7 +105,7 @@ static const u32 crtc_offsets[2] =
 	AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
 };
 
-int r600_debugfs_mc_info_init(struct radeon_device *rdev);
+static void r600_debugfs_mc_info_init(struct radeon_device *rdev);
 
 /* r600,rv610,rv630,rv620,rv635,rv670 */
 int r600_mc_wait_for_idle(struct radeon_device *rdev);
@@ -3251,9 +3250,7 @@ int r600_init(struct radeon_device *rdev)
 {
 	int r;
 
-	if (r600_debugfs_mc_info_init(rdev)) {
-		DRM_ERROR("Failed to register debugfs file for mc !\n");
-	}
+	r600_debugfs_mc_info_init(rdev);
 	/* Read BIOS */
 	if (!radeon_get_bios(rdev)) {
 		if (ASIC_IS_AVIVO(rdev))
@@ -4346,28 +4343,26 @@ int r600_irq_process(struct radeon_device *rdev)
  */
 #if defined(CONFIG_DEBUG_FS)
 
-static int r600_debugfs_mc_info(struct seq_file *m, void *data)
+static int r600_debugfs_mc_info_show(struct seq_file *m, void *unused)
 {
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_device *dev = node->minor->dev;
-	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_device *rdev = (struct radeon_device *)m->private;
 
 	DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS);
 	DREG32_SYS(m, rdev, VM_L2_STATUS);
 	return 0;
 }
 
-static struct drm_info_list r600_mc_info_list[] = {
-	{"r600_mc_info", r600_debugfs_mc_info, 0, NULL},
-};
+DEFINE_SHOW_ATTRIBUTE(r600_debugfs_mc_info);
 #endif
 
-int r600_debugfs_mc_info_init(struct radeon_device *rdev)
+static void r600_debugfs_mc_info_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
-	return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list));
-#else
-	return 0;
+	struct dentry *root = rdev->ddev->primary->debugfs_root;
+
+	debugfs_create_file("r600_mc_info", 0444, root, rdev,
+			    &r600_debugfs_mc_info_fops);
+
 #endif
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index eaa9223d6f52..062ad92c5151 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -514,8 +514,6 @@ struct radeon_bo {
 };
 #define gem_to_radeon_bo(gobj) container_of((gobj), struct radeon_bo, tbo.base)
 
-int radeon_gem_debugfs_init(struct radeon_device *rdev);
-
 /* sub-allocation manager, it has to be protected by another lock.
  * By conception this is an helper for other part of the driver
  * like the indirect buffer or semaphore, which both have their
@@ -1795,15 +1793,8 @@ static inline void radeon_mn_unregister(struct radeon_bo *bo) {}
 /*
  * Debugfs
  */
-struct radeon_debugfs {
-	struct drm_info_list	*files;
-	unsigned		num_files;
-};
-
-int radeon_debugfs_add_files(struct radeon_device *rdev,
-			     struct drm_info_list *files,
-			     unsigned nfiles);
-int radeon_debugfs_fence_init(struct radeon_device *rdev);
+void radeon_debugfs_fence_init(struct radeon_device *rdev);
+void radeon_gem_debugfs_init(struct radeon_device *rdev);
 
 /*
  * ASIC ring specific functions.
@@ -2424,9 +2415,6 @@ struct radeon_device {
 	struct drm_file *cmask_filp;
 	/* i2c buses */
 	struct radeon_i2c_chan *i2c_bus[RADEON_MAX_I2C_BUS];
-	/* debugfs */
-	struct radeon_debugfs	debugfs[RADEON_DEBUGFS_MAX_COMPONENTS];
-	unsigned 		debugfs_count;
 	/* virtual memory */
 	struct radeon_vm_manager	vm_manager;
 	struct mutex			gpu_clock_mutex;
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 24644daead53..2c77f151ef62 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -99,8 +99,8 @@ void r100_hpd_fini(struct radeon_device *rdev);
 bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd);
 void r100_hpd_set_polarity(struct radeon_device *rdev,
 			   enum radeon_hpd_id hpd);
-int r100_debugfs_rbbm_init(struct radeon_device *rdev);
-int r100_debugfs_cp_init(struct radeon_device *rdev);
+void r100_debugfs_rbbm_init(struct radeon_device *rdev);
+void r100_debugfs_cp_init(struct radeon_device *rdev);
 void r100_cp_disable(struct radeon_device *rdev);
 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size);
 void r100_cp_fini(struct radeon_device *rdev);
@@ -199,7 +199,7 @@ extern int r420_resume(struct radeon_device *rdev);
 extern void r420_pm_init_profile(struct radeon_device *rdev);
 extern u32 r420_mc_rreg(struct radeon_device *rdev, u32 reg);
 extern void r420_mc_wreg(struct radeon_device *rdev, u32 reg, u32 v);
-extern int r420_debugfs_pipes_info_init(struct radeon_device *rdev);
+extern void r420_debugfs_pipes_info_init(struct radeon_device *rdev);
 extern void r420_pipes_init(struct radeon_device *rdev);
 
 /*
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index ebccaa5b2d0e..ba54408c2e15 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -36,7 +36,6 @@
 
 #include <drm/drm_cache.h>
 #include <drm/drm_crtc_helper.h>
-#include <drm/drm_debugfs.h>
 #include <drm/drm_device.h>
 #include <drm/drm_file.h>
 #include <drm/drm_probe_helper.h>
@@ -1448,15 +1447,8 @@ int radeon_device_init(struct radeon_device *rdev,
 	if (r)
 		goto failed;
 
-	r = radeon_gem_debugfs_init(rdev);
-	if (r) {
-		DRM_ERROR("registering gem debugfs failed (%d).\n", r);
-	}
-
-	r = radeon_mst_debugfs_init(rdev);
-	if (r) {
-		DRM_ERROR("registering mst debugfs failed (%d).\n", r);
-	}
+	radeon_gem_debugfs_init(rdev);
+	radeon_mst_debugfs_init(rdev);
 
 	if (rdev->flags & RADEON_IS_AGP && !rdev->accel_working) {
 		/* Acceleration not working on AGP card try again
@@ -1881,38 +1873,3 @@ int radeon_gpu_reset(struct radeon_device *rdev)
 	up_read(&rdev->exclusive_lock);
 	return r;
 }
-
-
-/*
- * Debugfs
- */
-int radeon_debugfs_add_files(struct radeon_device *rdev,
-			     struct drm_info_list *files,
-			     unsigned nfiles)
-{
-	unsigned i;
-
-	for (i = 0; i < rdev->debugfs_count; i++) {
-		if (rdev->debugfs[i].files == files) {
-			/* Already registered */
-			return 0;
-		}
-	}
-
-	i = rdev->debugfs_count + 1;
-	if (i > RADEON_DEBUGFS_MAX_COMPONENTS) {
-		DRM_ERROR("Reached maximum number of debugfs components.\n");
-		DRM_ERROR("Report so we increase "
-			  "RADEON_DEBUGFS_MAX_COMPONENTS.\n");
-		return -EINVAL;
-	}
-	rdev->debugfs[rdev->debugfs_count].files = files;
-	rdev->debugfs[rdev->debugfs_count].num_files = nfiles;
-	rdev->debugfs_count = i;
-#if defined(CONFIG_DEBUG_FS)
-	drm_debugfs_create_files(files, nfiles,
-				 rdev->ddev->primary->debugfs_root,
-				 rdev->ddev->primary);
-#endif
-	return 0;
-}
diff --git a/drivers/gpu/drm/radeon/radeon_dp_mst.c b/drivers/gpu/drm/radeon/radeon_dp_mst.c
index 2c32186c4acd..66a0e736cc4d 100644
--- a/drivers/gpu/drm/radeon/radeon_dp_mst.c
+++ b/drivers/gpu/drm/radeon/radeon_dp_mst.c
@@ -1,6 +1,5 @@
 // SPDX-License-Identifier: MIT
 
-#include <drm/drm_debugfs.h>
 #include <drm/drm_dp_mst_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_file.h>
@@ -723,10 +722,10 @@ radeon_dp_mst_check_status(struct radeon_connector *radeon_connector)
 
 #if defined(CONFIG_DEBUG_FS)
 
-static int radeon_debugfs_mst_info(struct seq_file *m, void *data)
+static int radeon_debugfs_mst_info_show(struct seq_file *m, void *unused)
 {
-	struct drm_info_node *node = (struct drm_info_node *)m->private;
-	struct drm_device *dev = node->minor->dev;
+	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct drm_device *dev = rdev->ddev;
 	struct drm_connector *connector;
 	struct radeon_connector *radeon_connector;
 	struct radeon_connector_atom_dig *dig_connector;
@@ -754,15 +753,16 @@ static int radeon_debugfs_mst_info(struct seq_file *m, void *data)
 	return 0;
 }
 
-static struct drm_info_list radeon_debugfs_mst_list[] = {
-	{"radeon_mst_info", &radeon_debugfs_mst_info, 0, NULL},
-};
+DEFINE_SHOW_ATTRIBUTE(radeon_debugfs_mst_info);
 #endif
 
-int radeon_mst_debugfs_init(struct radeon_device *rdev)
+void radeon_mst_debugfs_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
-	return radeon_debugfs_add_files(rdev, radeon_debugfs_mst_list, 1);
+	struct dentry *root = rdev->ddev->primary->debugfs_root;
+
+	debugfs_create_file("radeon_mst_info", 0444, root, rdev,
+			    &radeon_debugfs_mst_info_fops);
+
 #endif
-	return 0;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 9ee6e599ef83..0d8ef2368adf 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -37,7 +37,6 @@
 #include <linux/slab.h>
 #include <linux/wait.h>
 
-#include <drm/drm_debugfs.h>
 #include <drm/drm_device.h>
 #include <drm/drm_file.h>
 
@@ -916,9 +915,9 @@ int radeon_fence_driver_init(struct radeon_device *rdev)
 	for (ring = 0; ring < RADEON_NUM_RINGS; ring++) {
 		radeon_fence_driver_init_ring(rdev, ring);
 	}
-	if (radeon_debugfs_fence_init(rdev)) {
-		dev_err(rdev->dev, "fence debugfs file creation failed\n");
-	}
+
+	radeon_debugfs_fence_init(rdev);
+
 	return 0;
 }
 
@@ -973,11 +972,9 @@ void radeon_fence_driver_force_completion(struct radeon_device *rdev, int ring)
  * Fence debugfs
  */
 #if defined(CONFIG_DEBUG_FS)
-static int radeon_debugfs_fence_info(struct seq_file *m, void *data)
+static int radeon_debugfs_fence_info_show(struct seq_file *m, void *data)
 {
-	struct drm_info_node *node = (struct drm_info_node *)m->private;
-	struct drm_device *dev = node->minor->dev;
-	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_device *rdev = (struct radeon_device *)m->private;
 	int i, j;
 
 	for (i = 0; i < RADEON_NUM_RINGS; ++i) {
@@ -1006,33 +1003,34 @@ static int radeon_debugfs_fence_info(struct seq_file *m, void *data)
  *
  * Manually trigger a gpu reset at the next fence wait.
  */
-static int radeon_debugfs_gpu_reset(struct seq_file *m, void *data)
+static int radeon_debugfs_gpu_reset(void *data, u64 *val)
 {
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_device *dev = node->minor->dev;
-	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_device *rdev = (struct radeon_device *)data;
 
 	down_read(&rdev->exclusive_lock);
-	seq_printf(m, "%d\n", rdev->needs_reset);
+	*val = rdev->needs_reset;
 	rdev->needs_reset = true;
 	wake_up_all(&rdev->fence_queue);
 	up_read(&rdev->exclusive_lock);
 
 	return 0;
 }
-
-static struct drm_info_list radeon_debugfs_fence_list[] = {
-	{"radeon_fence_info", &radeon_debugfs_fence_info, 0, NULL},
-	{"radeon_gpu_reset", &radeon_debugfs_gpu_reset, 0, NULL}
-};
+DEFINE_SHOW_ATTRIBUTE(radeon_debugfs_fence_info);
+DEFINE_DEBUGFS_ATTRIBUTE(radeon_debugfs_gpu_reset_fops,
+			 radeon_debugfs_gpu_reset, NULL, "%lld\n");
 #endif
 
-int radeon_debugfs_fence_init(struct radeon_device *rdev)
+void radeon_debugfs_fence_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
-	return radeon_debugfs_add_files(rdev, radeon_debugfs_fence_list, 2);
-#else
-	return 0;
+	struct dentry *root = rdev->ddev->primary->debugfs_root;
+
+	debugfs_create_file("radeon_gpu_reset", 0444, root, rdev,
+			    &radeon_debugfs_gpu_reset_fops);
+	debugfs_create_file("radeon_fence_info", 0444, root, rdev,
+			    &radeon_debugfs_fence_info_fops);
+
+
 #endif
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index e3ad27e69787..d719b2bb7a16 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -28,7 +28,6 @@
 
 #include <linux/pci.h>
 
-#include <drm/drm_debugfs.h>
 #include <drm/drm_device.h>
 #include <drm/drm_file.h>
 #include <drm/radeon_drm.h>
@@ -779,11 +778,9 @@ int radeon_mode_dumb_create(struct drm_file *file_priv,
 }
 
 #if defined(CONFIG_DEBUG_FS)
-static int radeon_debugfs_gem_info(struct seq_file *m, void *data)
+static int radeon_debugfs_gem_info_show(struct seq_file *m, void *unused)
 {
-	struct drm_info_node *node = (struct drm_info_node *)m->private;
-	struct drm_device *dev = node->minor->dev;
-	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_device *rdev = (struct radeon_device *)m->private;
 	struct radeon_bo *rbo;
 	unsigned i = 0;
 
@@ -814,15 +811,16 @@ static int radeon_debugfs_gem_info(struct seq_file *m, void *data)
 	return 0;
 }
 
-static struct drm_info_list radeon_debugfs_gem_list[] = {
-	{"radeon_gem_info", &radeon_debugfs_gem_info, 0, NULL},
-};
+DEFINE_SHOW_ATTRIBUTE(radeon_debugfs_gem_info);
 #endif
 
-int radeon_gem_debugfs_init(struct radeon_device *rdev)
+void radeon_gem_debugfs_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
-	return radeon_debugfs_add_files(rdev, radeon_debugfs_gem_list, 1);
+	struct dentry *root = rdev->ddev->primary->debugfs_root;
+
+	debugfs_create_file("radeon_gem_info", 0444, root, rdev,
+			    &radeon_debugfs_gem_info_fops);
+
 #endif
-	return 0;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_ib.c b/drivers/gpu/drm/radeon/radeon_ib.c
index c1fca2ba443c..62b116727b4f 100644
--- a/drivers/gpu/drm/radeon/radeon_ib.c
+++ b/drivers/gpu/drm/radeon/radeon_ib.c
@@ -27,7 +27,6 @@
  *          Christian König
  */
 
-#include <drm/drm_debugfs.h>
 #include <drm/drm_file.h>
 
 #include "radeon.h"
@@ -41,7 +40,7 @@
  * produce command buffers which are send to the kernel and
  * put in IBs for execution by the requested ring.
  */
-static int radeon_debugfs_sa_init(struct radeon_device *rdev);
+static void radeon_debugfs_sa_init(struct radeon_device *rdev);
 
 /**
  * radeon_ib_get - request an IB (Indirect Buffer)
@@ -225,9 +224,7 @@ int radeon_ib_pool_init(struct radeon_device *rdev)
 	}
 
 	rdev->ib_pool_ready = true;
-	if (radeon_debugfs_sa_init(rdev)) {
-		dev_err(rdev->dev, "failed to register debugfs file for SA\n");
-	}
+	radeon_debugfs_sa_init(rdev);
 	return 0;
 }
 
@@ -295,11 +292,9 @@ int radeon_ib_ring_tests(struct radeon_device *rdev)
  */
 #if defined(CONFIG_DEBUG_FS)
 
-static int radeon_debugfs_sa_info(struct seq_file *m, void *data)
+static int radeon_debugfs_sa_info_show(struct seq_file *m, void *unused)
 {
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_device *dev = node->minor->dev;
-	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_device *rdev = (struct radeon_device *)m->private;
 
 	radeon_sa_bo_dump_debug_info(&rdev->ring_tmp_bo, m);
 
@@ -307,17 +302,16 @@ static int radeon_debugfs_sa_info(struct seq_file *m, void *data)
 
 }
 
-static struct drm_info_list radeon_debugfs_sa_list[] = {
-	{"radeon_sa_info", &radeon_debugfs_sa_info, 0, NULL},
-};
+DEFINE_SHOW_ATTRIBUTE(radeon_debugfs_sa_info);
 
 #endif
 
-static int radeon_debugfs_sa_init(struct radeon_device *rdev)
+static void radeon_debugfs_sa_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
-	return radeon_debugfs_add_files(rdev, radeon_debugfs_sa_list, 1);
-#else
-	return 0;
+	struct dentry *root = rdev->ddev->primary->debugfs_root;
+
+	debugfs_create_file("radeon_sa_info", 0444, root, rdev,
+			    &radeon_debugfs_sa_info_fops);
 #endif
 }
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index c7f223743d46..fe16f140a6b4 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -994,7 +994,7 @@ int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tile
 int radeon_dp_mst_init(struct radeon_connector *radeon_connector);
 int radeon_dp_mst_probe(struct radeon_connector *radeon_connector);
 int radeon_dp_mst_check_status(struct radeon_connector *radeon_connector);
-int radeon_mst_debugfs_init(struct radeon_device *rdev);
+void radeon_mst_debugfs_init(struct radeon_device *rdev);
 void radeon_dp_mst_prepare_pll(struct drm_crtc *crtc, struct drm_display_mode *mode);
 
 void radeon_setup_mst_connector(struct drm_device *dev);
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 1995dad59dd0..b6737be9165c 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -26,7 +26,6 @@
 #include <linux/pci.h>
 #include <linux/power_supply.h>
 
-#include <drm/drm_debugfs.h>
 #include <drm/drm_vblank.h>
 
 #include "atom.h"
@@ -48,7 +47,7 @@ static const char *radeon_pm_state_type_name[5] = {
 };
 
 static void radeon_dynpm_idle_work_handler(struct work_struct *work);
-static int radeon_debugfs_pm_init(struct radeon_device *rdev);
+static void radeon_debugfs_pm_init(struct radeon_device *rdev);
 static bool radeon_pm_in_vbl(struct radeon_device *rdev);
 static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish);
 static void radeon_pm_update_profile(struct radeon_device *rdev);
@@ -1399,10 +1398,7 @@ static int radeon_pm_init_old(struct radeon_device *rdev)
 	INIT_DELAYED_WORK(&rdev->pm.dynpm_idle_work, radeon_dynpm_idle_work_handler);
 
 	if (rdev->pm.num_power_states > 1) {
-		if (radeon_debugfs_pm_init(rdev)) {
-			DRM_ERROR("Failed to register debugfs file for PM!\n");
-		}
-
+		radeon_debugfs_pm_init(rdev);
 		DRM_INFO("radeon: power management initialized\n");
 	}
 
@@ -1456,9 +1452,7 @@ static int radeon_pm_init_dpm(struct radeon_device *rdev)
 		goto dpm_failed;
 	rdev->pm.dpm_enabled = true;
 
-	if (radeon_debugfs_pm_init(rdev)) {
-		DRM_ERROR("Failed to register debugfs file for dpm!\n");
-	}
+	radeon_debugfs_pm_init(rdev);
 
 	DRM_INFO("radeon: dpm initialized\n");
 
@@ -1916,11 +1910,9 @@ static void radeon_dynpm_idle_work_handler(struct work_struct *work)
  */
 #if defined(CONFIG_DEBUG_FS)
 
-static int radeon_debugfs_pm_info(struct seq_file *m, void *data)
+static int radeon_debugfs_pm_info_show(struct seq_file *m, void *unused)
 {
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_device *dev = node->minor->dev;
-	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_device *rdev = (struct radeon_device *)m->private;
 	struct drm_device *ddev = rdev->ddev;
 
 	if  ((rdev->flags & RADEON_IS_PX) &&
@@ -1952,16 +1944,16 @@ static int radeon_debugfs_pm_info(struct seq_file *m, void *data)
 	return 0;
 }
 
-static struct drm_info_list radeon_pm_info_list[] = {
-	{"radeon_pm_info", radeon_debugfs_pm_info, 0, NULL},
-};
+DEFINE_SHOW_ATTRIBUTE(radeon_debugfs_pm_info);
 #endif
 
-static int radeon_debugfs_pm_init(struct radeon_device *rdev)
+static void radeon_debugfs_pm_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
-	return radeon_debugfs_add_files(rdev, radeon_pm_info_list, ARRAY_SIZE(radeon_pm_info_list));
-#else
-	return 0;
+	struct dentry *root = rdev->ddev->primary->debugfs_root;
+
+	debugfs_create_file("radeon_pm_info", 0444, root, rdev,
+			    &radeon_debugfs_pm_info_fops);
+
 #endif
 }
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 41ed8aba1313..7e207276df37 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -27,7 +27,6 @@
  *          Christian König
  */
 
-#include <drm/drm_debugfs.h>
 #include <drm/drm_device.h>
 #include <drm/drm_file.h>
 
@@ -46,7 +45,7 @@
  * wptr.  The GPU then starts fetching commands and executes
  * them until the pointers are equal again.
  */
-static int radeon_debugfs_ring_init(struct radeon_device *rdev, struct radeon_ring *ring);
+static void radeon_debugfs_ring_init(struct radeon_device *rdev, struct radeon_ring *ring);
 
 /**
  * radeon_ring_supports_scratch_reg - check if the ring supports
@@ -422,9 +421,7 @@ int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsig
 		ring->next_rptr_gpu_addr = rdev->wb.gpu_addr + index;
 		ring->next_rptr_cpu_addr = &rdev->wb.wb[index/4];
 	}
-	if (radeon_debugfs_ring_init(rdev, ring)) {
-		DRM_ERROR("Failed to register debugfs file for rings !\n");
-	}
+	radeon_debugfs_ring_init(rdev, ring);
 	radeon_ring_lockup_update(rdev, ring);
 	return 0;
 }
@@ -465,13 +462,10 @@ void radeon_ring_fini(struct radeon_device *rdev, struct radeon_ring *ring)
  */
 #if defined(CONFIG_DEBUG_FS)
 
-static int radeon_debugfs_ring_info(struct seq_file *m, void *data)
+static int radeon_debugfs_ring_info_show(struct seq_file *m, void *unused)
 {
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_device *dev = node->minor->dev;
-	struct radeon_device *rdev = dev->dev_private;
-	int ridx = *(int*)node->info_ent->data;
-	struct radeon_ring *ring = &rdev->ring[ridx];
+	struct radeon_ring *ring = (struct radeon_ring *) m->private;
+	struct radeon_device *rdev = ring->rdev;
 
 	uint32_t rptr, wptr, rptr_next;
 	unsigned count, i, j;
@@ -522,44 +516,43 @@ static int radeon_debugfs_ring_info(struct seq_file *m, void *data)
 	return 0;
 }
 
-static int radeon_gfx_index = RADEON_RING_TYPE_GFX_INDEX;
-static int cayman_cp1_index = CAYMAN_RING_TYPE_CP1_INDEX;
-static int cayman_cp2_index = CAYMAN_RING_TYPE_CP2_INDEX;
-static int radeon_dma1_index = R600_RING_TYPE_DMA_INDEX;
-static int radeon_dma2_index = CAYMAN_RING_TYPE_DMA1_INDEX;
-static int r600_uvd_index = R600_RING_TYPE_UVD_INDEX;
-static int si_vce1_index = TN_RING_TYPE_VCE1_INDEX;
-static int si_vce2_index = TN_RING_TYPE_VCE2_INDEX;
-
-static struct drm_info_list radeon_debugfs_ring_info_list[] = {
-	{"radeon_ring_gfx", radeon_debugfs_ring_info, 0, &radeon_gfx_index},
-	{"radeon_ring_cp1", radeon_debugfs_ring_info, 0, &cayman_cp1_index},
-	{"radeon_ring_cp2", radeon_debugfs_ring_info, 0, &cayman_cp2_index},
-	{"radeon_ring_dma1", radeon_debugfs_ring_info, 0, &radeon_dma1_index},
-	{"radeon_ring_dma2", radeon_debugfs_ring_info, 0, &radeon_dma2_index},
-	{"radeon_ring_uvd", radeon_debugfs_ring_info, 0, &r600_uvd_index},
-	{"radeon_ring_vce1", radeon_debugfs_ring_info, 0, &si_vce1_index},
-	{"radeon_ring_vce2", radeon_debugfs_ring_info, 0, &si_vce2_index},
-};
+DEFINE_SHOW_ATTRIBUTE(radeon_debugfs_ring_info);
+
+static const char *radeon_debugfs_ring_idx_to_name(uint32_t ridx)
+{
+	switch (ridx) {
+	case RADEON_RING_TYPE_GFX_INDEX:
+		return "radeon_ring_gfx";
+	case CAYMAN_RING_TYPE_CP1_INDEX:
+		return "radeon_ring_cp1";
+	case CAYMAN_RING_TYPE_CP2_INDEX:
+		return "radeon_ring_cp2";
+	case R600_RING_TYPE_DMA_INDEX:
+		return "radeon_ring_dma1";
+	case CAYMAN_RING_TYPE_DMA1_INDEX:
+		return "radeon_ring_dma2";
+	case R600_RING_TYPE_UVD_INDEX:
+		return "radeon_ring_uvd";
+	case TN_RING_TYPE_VCE1_INDEX:
+		return "radeon_ring_vce1";
+	case TN_RING_TYPE_VCE2_INDEX:
+		return "radeon_ring_vce2";
+	default:
+		return NULL;
 
+	}
+}
 #endif
 
-static int radeon_debugfs_ring_init(struct radeon_device *rdev, struct radeon_ring *ring)
+static void radeon_debugfs_ring_init(struct radeon_device *rdev, struct radeon_ring *ring)
 {
 #if defined(CONFIG_DEBUG_FS)
-	unsigned i;
-	for (i = 0; i < ARRAY_SIZE(radeon_debugfs_ring_info_list); ++i) {
-		struct drm_info_list *info = &radeon_debugfs_ring_info_list[i];
-		int ridx = *(int*)radeon_debugfs_ring_info_list[i].data;
-		unsigned r;
+	const char *ring_name = radeon_debugfs_ring_idx_to_name(ring->idx);
+	struct dentry *root = rdev->ddev->primary->debugfs_root;
 
-		if (&rdev->ring[ridx] != ring)
-			continue;
+	if (ring_name)
+		debugfs_create_file(ring_name, 0444, root, ring,
+				    &radeon_debugfs_ring_info_fops);
 
-		r = radeon_debugfs_add_files(rdev, info, 1);
-		if (r)
-			return r;
-	}
 #endif
-	return 0;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 9d156b12d24c..0cbf05b2f636 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -39,7 +39,6 @@
 #include <linux/swiotlb.h>
 
 #include <drm/drm_agpsupport.h>
-#include <drm/drm_debugfs.h>
 #include <drm/drm_device.h>
 #include <drm/drm_file.h>
 #include <drm/drm_prime.h>
@@ -54,7 +53,7 @@
 #include "radeon.h"
 #include "radeon_ttm.h"
 
-static int radeon_ttm_debugfs_init(struct radeon_device *rdev);
+static void radeon_ttm_debugfs_init(struct radeon_device *rdev);
 
 struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev)
 {
@@ -778,11 +777,8 @@ int radeon_ttm_init(struct radeon_device *rdev)
 	DRM_INFO("radeon: %uM of GTT memory ready.\n",
 		 (unsigned)(rdev->mc.gtt_size / (1024 * 1024)));
 
-	r = radeon_ttm_debugfs_init(rdev);
-	if (r) {
-		DRM_ERROR("Failed to init debugfs\n");
-		return r;
-	}
+	radeon_ttm_debugfs_init(rdev);
+
 	return 0;
 }
 
@@ -866,31 +862,58 @@ int radeon_mmap(struct file *filp, struct vm_area_struct *vma)
 
 #if defined(CONFIG_DEBUG_FS)
 
-static int radeon_mm_dump_table(struct seq_file *m, void *data)
+static int radeon_mm_vram_dump_table_show(struct seq_file *m, void *unused)
 {
-	struct drm_info_node *node = (struct drm_info_node *)m->private;
-	unsigned ttm_pl = *(int*)node->info_ent->data;
-	struct drm_device *dev = node->minor->dev;
-	struct radeon_device *rdev = dev->dev_private;
-	struct ttm_resource_manager *man = ttm_manager_type(&rdev->mman.bdev, ttm_pl);
+	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct ttm_resource_manager *man = ttm_manager_type(&rdev->mman.bdev,
+							    TTM_PL_VRAM);
 	struct drm_printer p = drm_seq_file_printer(m);
 
 	man->func->debug(man, &p);
 	return 0;
 }
 
+static int radeon_mm_gtt_dump_table_show(struct seq_file *m, void *unused)
+{
+	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct ttm_resource_manager *man = ttm_manager_type(&rdev->mman.bdev,
+							    TTM_PL_TT);
+	struct drm_printer p = drm_seq_file_printer(m);
+
+	man->func->debug(man, &p);
+	return 0;
+}
+
+static int radeon_ttm_page_debugfs_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, ttm_page_alloc_debugfs, inode->i_private);
+}
 
-static int ttm_pl_vram = TTM_PL_VRAM;
-static int ttm_pl_tt = TTM_PL_TT;
+static const struct file_operations radeon_ttm_page_debugfs_fops = {
+	.owner = THIS_MODULE,
+	.open = radeon_ttm_page_debugfs_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
 
-static struct drm_info_list radeon_ttm_debugfs_list[] = {
-	{"radeon_vram_mm", radeon_mm_dump_table, 0, &ttm_pl_vram},
-	{"radeon_gtt_mm", radeon_mm_dump_table, 0, &ttm_pl_tt},
-	{"ttm_page_pool", ttm_page_alloc_debugfs, 0, NULL},
 #ifdef CONFIG_SWIOTLB
-	{"ttm_dma_page_pool", ttm_dma_page_alloc_debugfs, 0, NULL}
-#endif
+static int radeon_ttm_dma_page_debugfs_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, ttm_dma_page_alloc_debugfs, inode->i_private);
+}
+
+static const struct file_operations radeon_ttm_dma_page_debugfs_fops = {
+	.owner = THIS_MODULE,
+	.open = radeon_ttm_dma_page_debugfs_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
 };
+#endif
+
+DEFINE_SHOW_ATTRIBUTE(radeon_mm_vram_dump_table);
+DEFINE_SHOW_ATTRIBUTE(radeon_mm_gtt_dump_table);
 
 static int radeon_ttm_vram_open(struct inode *inode, struct file *filep)
 {
@@ -1000,30 +1023,29 @@ static const struct file_operations radeon_ttm_gtt_fops = {
 
 #endif
 
-static int radeon_ttm_debugfs_init(struct radeon_device *rdev)
+static void radeon_ttm_debugfs_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
-	unsigned count;
-
 	struct drm_minor *minor = rdev->ddev->primary;
 	struct dentry *root = minor->debugfs_root;
 
-	debugfs_create_file("radeon_vram", S_IFREG | S_IRUGO, root, rdev,
+	debugfs_create_file("radeon_vram", 0444, root, rdev,
 			    &radeon_ttm_vram_fops);
 
-	debugfs_create_file("radeon_gtt", S_IFREG | S_IRUGO, root, rdev,
+	debugfs_create_file("radeon_gtt", 0444, root, rdev,
 			    &radeon_ttm_gtt_fops);
 
-	count = ARRAY_SIZE(radeon_ttm_debugfs_list);
+	debugfs_create_file("radeon_vram_mm", 0444, root, rdev,
+			    &radeon_mm_vram_dump_table_fops);
+	debugfs_create_file("radeon_gtt_mm", 0444, root, rdev,
+			    &radeon_mm_gtt_dump_table_fops);
+	debugfs_create_file("ttm_page_pool", 0444, root, rdev,
+			    &radeon_ttm_page_debugfs_fops);
 
 #ifdef CONFIG_SWIOTLB
-	if (!(rdev->need_swiotlb && swiotlb_nr_tbl()))
-		--count;
+	if ((rdev->need_swiotlb && swiotlb_nr_tbl()))
+		debugfs_create_file("ttm_dma_page_pool", 0444, root, rdev,
+				    &radeon_ttm_dma_page_debugfs_fops);
 #endif
-
-	return radeon_debugfs_add_files(rdev, radeon_ttm_debugfs_list, count);
-#else
-
-	return 0;
 #endif
 }
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index 117f60af1ee4..8423bcc3302b 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -29,7 +29,6 @@
 #include <linux/seq_file.h>
 #include <linux/slab.h>
 
-#include <drm/drm_debugfs.h>
 #include <drm/drm_device.h>
 #include <drm/drm_file.h>
 
@@ -38,7 +37,7 @@
 #include "rs400d.h"
 
 /* This files gather functions specifics to : rs400,rs480 */
-static int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
+static void rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
 
 void rs400_gart_adjust_size(struct radeon_device *rdev)
 {
@@ -103,8 +102,7 @@ int rs400_gart_init(struct radeon_device *rdev)
 	r = radeon_gart_init(rdev);
 	if (r)
 		return r;
-	if (rs400_debugfs_pcie_gart_info_init(rdev))
-		DRM_ERROR("Failed to register debugfs file for RS400 GART !\n");
+	rs400_debugfs_pcie_gart_info_init(rdev);
 	rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 	return radeon_gart_table_ram_alloc(rdev);
 }
@@ -307,11 +305,9 @@ void rs400_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 }
 
 #if defined(CONFIG_DEBUG_FS)
-static int rs400_debugfs_gart_info(struct seq_file *m, void *data)
+static int rs400_debugfs_gart_info_show(struct seq_file *m, void *unused)
 {
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_device *dev = node->minor->dev;
-	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_device *rdev = (struct radeon_device *)m->private;
 	uint32_t tmp;
 
 	tmp = RREG32(RADEON_HOST_PATH_CNTL);
@@ -376,17 +372,16 @@ static int rs400_debugfs_gart_info(struct seq_file *m, void *data)
 	return 0;
 }
 
-static struct drm_info_list rs400_gart_info_list[] = {
-	{"rs400_gart_info", rs400_debugfs_gart_info, 0, NULL},
-};
+DEFINE_SHOW_ATTRIBUTE(rs400_debugfs_gart_info);
 #endif
 
-static int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
+static void rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
-	return radeon_debugfs_add_files(rdev, rs400_gart_info_list, 1);
-#else
-	return 0;
+	struct dentry *root = rdev->ddev->primary->debugfs_root;
+
+	debugfs_create_file("rs400_gart_info", 0444, root, rdev,
+			    &rs400_debugfs_gart_info_fops);
 #endif
 }
 
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index c88b4906f7bc..5bf26058eec0 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -945,12 +945,6 @@ void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
 }
 
-static void rs600_debugfs(struct radeon_device *rdev)
-{
-	if (r100_debugfs_rbbm_init(rdev))
-		DRM_ERROR("Failed to register debugfs file for RBBM !\n");
-}
-
 void rs600_set_safe_registers(struct radeon_device *rdev)
 {
 	rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm;
@@ -1136,7 +1130,7 @@ int rs600_init(struct radeon_device *rdev)
 	radeon_get_clock_info(rdev->ddev);
 	/* initialize memory controller */
 	rs600_mc_init(rdev);
-	rs600_debugfs(rdev);
+	r100_debugfs_rbbm_init(rdev);
 	/* Fence driver */
 	r = radeon_fence_driver_init(rdev);
 	if (r)
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index 147e5cf8348d..46a53dd38079 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -29,7 +29,6 @@
 #include <linux/seq_file.h>
 #include <linux/slab.h>
 
-#include <drm/drm_debugfs.h>
 #include <drm/drm_device.h>
 #include <drm/drm_file.h>
 
@@ -40,8 +39,6 @@
 #include "rv515d.h"
 
 /* This files gather functions specifics to: rv515 */
-static int rv515_debugfs_pipes_info_init(struct radeon_device *rdev);
-static int rv515_debugfs_ga_info_init(struct radeon_device *rdev);
 static void rv515_gpu_init(struct radeon_device *rdev);
 int rv515_mc_wait_for_idle(struct radeon_device *rdev);
 
@@ -51,19 +48,6 @@ static const u32 crtc_offsets[2] =
 	AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
 };
 
-void rv515_debugfs(struct radeon_device *rdev)
-{
-	if (r100_debugfs_rbbm_init(rdev)) {
-		DRM_ERROR("Failed to register debugfs file for RBBM !\n");
-	}
-	if (rv515_debugfs_pipes_info_init(rdev)) {
-		DRM_ERROR("Failed to register debugfs file for pipes !\n");
-	}
-	if (rv515_debugfs_ga_info_init(rdev)) {
-		DRM_ERROR("Failed to register debugfs file for pipes !\n");
-	}
-}
-
 void rv515_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
 {
 	int r;
@@ -235,11 +219,9 @@ void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 }
 
 #if defined(CONFIG_DEBUG_FS)
-static int rv515_debugfs_pipes_info(struct seq_file *m, void *data)
+static int rv515_debugfs_pipes_info_show(struct seq_file *m, void *unused)
 {
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_device *dev = node->minor->dev;
-	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_device *rdev = (struct radeon_device *)m->private;
 	uint32_t tmp;
 
 	tmp = RREG32(GB_PIPE_SELECT);
@@ -253,11 +235,9 @@ static int rv515_debugfs_pipes_info(struct seq_file *m, void *data)
 	return 0;
 }
 
-static int rv515_debugfs_ga_info(struct seq_file *m, void *data)
+static int rv515_debugfs_ga_info_show(struct seq_file *m, void *unused)
 {
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_device *dev = node->minor->dev;
-	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_device *rdev = (struct radeon_device *)m->private;
 	uint32_t tmp;
 
 	tmp = RREG32(0x2140);
@@ -268,31 +248,21 @@ static int rv515_debugfs_ga_info(struct seq_file *m, void *data)
 	return 0;
 }
 
-static struct drm_info_list rv515_pipes_info_list[] = {
-	{"rv515_pipes_info", rv515_debugfs_pipes_info, 0, NULL},
-};
-
-static struct drm_info_list rv515_ga_info_list[] = {
-	{"rv515_ga_info", rv515_debugfs_ga_info, 0, NULL},
-};
+DEFINE_SHOW_ATTRIBUTE(rv515_debugfs_pipes_info);
+DEFINE_SHOW_ATTRIBUTE(rv515_debugfs_ga_info);
 #endif
 
-static int rv515_debugfs_pipes_info_init(struct radeon_device *rdev)
+void rv515_debugfs(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
-	return radeon_debugfs_add_files(rdev, rv515_pipes_info_list, 1);
-#else
-	return 0;
-#endif
-}
+	struct dentry *root = rdev->ddev->primary->debugfs_root;
 
-static int rv515_debugfs_ga_info_init(struct radeon_device *rdev)
-{
-#if defined(CONFIG_DEBUG_FS)
-	return radeon_debugfs_add_files(rdev, rv515_ga_info_list, 1);
-#else
-	return 0;
+	debugfs_create_file("rv515_pipes_info", 0444, root, rdev,
+			    &rv515_debugfs_pipes_info_fops);
+	debugfs_create_file("rv515_ga_info", 0444, root, rdev,
+			    &rv515_debugfs_ga_info_fops);
 #endif
+	r100_debugfs_rbbm_init(rdev);
 }
 
 void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
-- 
2.30.0

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