#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/swiotlb.h>
+#include <linux/debugfs.h>
#include "radeon_reg.h"
#include "radeon.h"
#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
static int radeon_ttm_debugfs_init(struct radeon_device *rdev);
+static void radeon_ttm_debugfs_fini(struct radeon_device *rdev);
static struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev)
{
man->flags = TTM_MEMTYPE_FLAG_MAPPABLE | TTM_MEMTYPE_FLAG_CMA;
#if __OS_HAS_AGP
if (rdev->flags & RADEON_IS_AGP) {
- if (!(drm_core_has_AGP(rdev->ddev) && rdev->ddev->agp)) {
+ if (!rdev->ddev->agp) {
DRM_ERROR("AGP is not enabled for memory type %u\n",
(unsigned)type);
return -EINVAL;
if (!rdev->mman.initialized)
return;
+ radeon_ttm_debugfs_fini(rdev);
if (rdev->stollen_vga_memory) {
r = radeon_bo_reserve(rdev->stollen_vga_memory, false);
if (r == 0) {
return 0;
}
-
-#define RADEON_DEBUGFS_MEM_TYPES 2
-
#if defined(CONFIG_DEBUG_FS)
+
static int radeon_mm_dump_table(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *)m->private;
- struct drm_mm *mm = (struct drm_mm *)node->info_ent->data;
+ unsigned ttm_pl = *(int *)node->info_ent->data;
struct drm_device *dev = node->minor->dev;
struct radeon_device *rdev = dev->dev_private;
+ struct drm_mm *mm = (struct drm_mm *)rdev->mman.bdev.man[ttm_pl].priv;
int ret;
struct ttm_bo_global *glob = rdev->mman.bdev.glob;
spin_unlock(&glob->lru_lock);
return ret;
}
+
+static int ttm_pl_vram = TTM_PL_VRAM;
+static int ttm_pl_tt = TTM_PL_TT;
+
+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_debugfs_init(struct radeon_device *rdev)
+static int radeon_ttm_vram_open(struct inode *inode, struct file *filep)
{
-#if defined(CONFIG_DEBUG_FS)
- static struct drm_info_list radeon_mem_types_list[RADEON_DEBUGFS_MEM_TYPES+2];
- static char radeon_mem_types_names[RADEON_DEBUGFS_MEM_TYPES+2][32];
- unsigned i;
+ struct radeon_device *rdev = inode->i_private;
+ i_size_write(inode, rdev->mc.mc_vram_size);
+ filep->private_data = inode->i_private;
+ return 0;
+}
- for (i = 0; i < RADEON_DEBUGFS_MEM_TYPES; i++) {
- if (i == 0)
- sprintf(radeon_mem_types_names[i], "radeon_vram_mm");
- else
- sprintf(radeon_mem_types_names[i], "radeon_gtt_mm");
- radeon_mem_types_list[i].name = radeon_mem_types_names[i];
- radeon_mem_types_list[i].show = &radeon_mm_dump_table;
- radeon_mem_types_list[i].driver_features = 0;
- if (i == 0)
- radeon_mem_types_list[i].data = rdev->mman.bdev.man[TTM_PL_VRAM].priv;
- else
- radeon_mem_types_list[i].data = rdev->mman.bdev.man[TTM_PL_TT].priv;
+static ssize_t radeon_ttm_vram_read(struct file *f, char __user *buf,
+ size_t size, loff_t *pos)
+{
+ struct radeon_device *rdev = f->private_data;
+ ssize_t result = 0;
+ int r;
+ if (size & 0x3 || *pos & 0x3)
+ return -EINVAL;
+
+ while (size) {
+ unsigned long flags;
+ uint32_t value;
+
+ if (*pos >= rdev->mc.mc_vram_size)
+ return result;
+
+ spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
+ WREG32(RADEON_MM_INDEX, ((uint32_t)*pos) | 0x80000000);
+ if (rdev->family >= CHIP_CEDAR)
+ WREG32(EVERGREEN_MM_INDEX_HI, *pos >> 31);
+ value = RREG32(RADEON_MM_DATA);
+ spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
+
+ r = put_user(value, (uint32_t *)buf);
+ if (r)
+ return r;
+
+ result += 4;
+ buf += 4;
+ *pos += 4;
+ size -= 4;
}
- /* Add ttm page pool to debugfs */
- sprintf(radeon_mem_types_names[i], "ttm_page_pool");
- radeon_mem_types_list[i].name = radeon_mem_types_names[i];
- radeon_mem_types_list[i].show = &ttm_page_alloc_debugfs;
- radeon_mem_types_list[i].driver_features = 0;
- radeon_mem_types_list[i++].data = NULL;
-#ifdef CONFIG_SWIOTLB
- if (swiotlb_nr_tbl()) {
- sprintf(radeon_mem_types_names[i], "ttm_dma_page_pool");
- radeon_mem_types_list[i].name = radeon_mem_types_names[i];
- radeon_mem_types_list[i].show = &ttm_dma_page_alloc_debugfs;
- radeon_mem_types_list[i].driver_features = 0;
- radeon_mem_types_list[i++].data = NULL;
+
+ return result;
+}
+
+static const struct file_operations radeon_ttm_vram_fops = {
+ .owner = THIS_MODULE,
+ .open = radeon_ttm_vram_open,
+ .read = radeon_ttm_vram_read,
+ .llseek = default_llseek
+};
+
+static int radeon_ttm_gtt_open(struct inode *inode, struct file *filep)
+{
+ struct radeon_device *rdev = inode->i_private;
+ i_size_write(inode, rdev->mc.gtt_size);
+ filep->private_data = inode->i_private;
+ return 0;
+}
+
+static ssize_t radeon_ttm_gtt_read(struct file *f, char __user *buf,
+ size_t size, loff_t *pos)
+{
+ struct radeon_device *rdev = f->private_data;
+ ssize_t result = 0;
+ int r;
+
+ while (size) {
+ loff_t p = *pos / PAGE_SIZE;
+ unsigned off = *pos & ~PAGE_MASK;
+ ssize_t cur_size = min(size, PAGE_SIZE - off);
+ struct page *page;
+ void *ptr;
+
+ if (p >= rdev->gart.num_cpu_pages)
+ return result;
+
+ page = rdev->gart.pages[p];
+ if (page) {
+ ptr = kmap(page);
+ ptr += off;
+
+ r = copy_to_user(buf, ptr, cur_size);
+ kunmap(rdev->gart.pages[p]);
+ } else
+ r = clear_user(buf, cur_size);
+
+ if (r)
+ return -EFAULT;
+
+ result += cur_size;
+ buf += cur_size;
+ *pos += cur_size;
+ size -= cur_size;
}
+
+ return result;
+}
+
+static const struct file_operations radeon_ttm_gtt_fops = {
+ .owner = THIS_MODULE,
+ .open = radeon_ttm_gtt_open,
+ .read = radeon_ttm_gtt_read,
+ .llseek = default_llseek
+};
+
#endif
- return radeon_debugfs_add_files(rdev, radeon_mem_types_list, i);
+static int radeon_ttm_debugfs_init(struct radeon_device *rdev)
+{
+#if defined(CONFIG_DEBUG_FS)
+ unsigned count;
+
+ struct drm_minor *minor = rdev->ddev->primary;
+ struct dentry *ent, *root = minor->debugfs_root;
+
+ ent = debugfs_create_file("radeon_vram", S_IFREG | S_IRUGO, root,
+ rdev, &radeon_ttm_vram_fops);
+ if (IS_ERR(ent))
+ return PTR_ERR(ent);
+ rdev->mman.vram = ent;
+
+ ent = debugfs_create_file("radeon_gtt", S_IFREG | S_IRUGO, root,
+ rdev, &radeon_ttm_gtt_fops);
+ if (IS_ERR(ent))
+ return PTR_ERR(ent);
+ rdev->mman.gtt = ent;
+
+ count = ARRAY_SIZE(radeon_ttm_debugfs_list);
+
+#ifdef CONFIG_SWIOTLB
+ if (!swiotlb_nr_tbl())
+ --count;
#endif
+
+ return radeon_debugfs_add_files(rdev, radeon_ttm_debugfs_list, count);
+#else
+
return 0;
+#endif
+}
+
+static void radeon_ttm_debugfs_fini(struct radeon_device *rdev)
+{
+#if defined(CONFIG_DEBUG_FS)
+
+ debugfs_remove(rdev->mman.vram);
+ rdev->mman.vram = NULL;
+
+ debugfs_remove(rdev->mman.gtt);
+ rdev->mman.gtt = NULL;
+#endif
}
projects / firefly-linux-kernel-4.4.55.git / blobdiff