blob: f30aa7274a54099913d85b7eeede05b1e9daafec [file] [log] [blame]
/*
* Copyright 2008 Advanced Micro Devices, Inc.
* Copyright 2008 Red Hat Inc.
* Copyright 2009 Jerome Glisse.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Dave Airlie
* Alex Deucher
* Jerome Glisse
*/
#include <linux/console.h>
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
#include <drm/radeon_drm.h>
#include "radeon_reg.h"
#include "radeon.h"
#include "radeon_asic.h"
#include "atom.h"
/*
* GPU scratch registers helpers function.
*/
static void radeon_scratch_init(struct radeon_device *rdev)
{
int i;
/* FIXME: check this out */
if (rdev->family < CHIP_R300) {
rdev->scratch.num_reg = 5;
} else {
rdev->scratch.num_reg = 7;
}
for (i = 0; i < rdev->scratch.num_reg; i++) {
rdev->scratch.free[i] = true;
rdev->scratch.reg[i] = RADEON_SCRATCH_REG0 + (i * 4);
}
}
int radeon_scratch_get(struct radeon_device *rdev, uint32_t *reg)
{
int i;
for (i = 0; i < rdev->scratch.num_reg; i++) {
if (rdev->scratch.free[i]) {
rdev->scratch.free[i] = false;
*reg = rdev->scratch.reg[i];
return 0;
}
}
return -EINVAL;
}
void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg)
{
int i;
for (i = 0; i < rdev->scratch.num_reg; i++) {
if (rdev->scratch.reg[i] == reg) {
rdev->scratch.free[i] = true;
return;
}
}
}
/*
* MC common functions
*/
int radeon_mc_setup(struct radeon_device *rdev)
{
uint32_t tmp;
/* Some chips have an "issue" with the memory controller, the
* location must be aligned to the size. We just align it down,
* too bad if we walk over the top of system memory, we don't
* use DMA without a remapped anyway.
* Affected chips are rv280, all r3xx, and all r4xx, but not IGP
*/
/* FGLRX seems to setup like this, VRAM a 0, then GART.
*/
/*
* Note: from R6xx the address space is 40bits but here we only
* use 32bits (still have to see a card which would exhaust 4G
* address space).
*/
if (rdev->mc.vram_location != 0xFFFFFFFFUL) {
/* vram location was already setup try to put gtt after
* if it fits */
tmp = rdev->mc.vram_location + rdev->mc.vram_size;
tmp = (tmp + rdev->mc.gtt_size - 1) & ~(rdev->mc.gtt_size - 1);
if ((0xFFFFFFFFUL - tmp) >= rdev->mc.gtt_size) {
rdev->mc.gtt_location = tmp;
} else {
if (rdev->mc.gtt_size >= rdev->mc.vram_location) {
printk(KERN_ERR "[drm] GTT too big to fit "
"before or after vram location.\n");
return -EINVAL;
}
rdev->mc.gtt_location = 0;
}
} else if (rdev->mc.gtt_location != 0xFFFFFFFFUL) {
/* gtt location was already setup try to put vram before
* if it fits */
if (rdev->mc.vram_size < rdev->mc.gtt_location) {
rdev->mc.vram_location = 0;
} else {
tmp = rdev->mc.gtt_location + rdev->mc.gtt_size;
tmp += (rdev->mc.vram_size - 1);
tmp &= ~(rdev->mc.vram_size - 1);
if ((0xFFFFFFFFUL - tmp) >= rdev->mc.vram_size) {
rdev->mc.vram_location = tmp;
} else {
printk(KERN_ERR "[drm] vram too big to fit "
"before or after GTT location.\n");
return -EINVAL;
}
}
} else {
rdev->mc.vram_location = 0;
rdev->mc.gtt_location = rdev->mc.vram_size;
}
DRM_INFO("radeon: VRAM %uM\n", rdev->mc.vram_size >> 20);
DRM_INFO("radeon: VRAM from 0x%08X to 0x%08X\n",
rdev->mc.vram_location,
rdev->mc.vram_location + rdev->mc.vram_size - 1);
DRM_INFO("radeon: GTT %uM\n", rdev->mc.gtt_size >> 20);
DRM_INFO("radeon: GTT from 0x%08X to 0x%08X\n",
rdev->mc.gtt_location,
rdev->mc.gtt_location + rdev->mc.gtt_size - 1);
return 0;
}
/*
* GPU helpers function.
*/
static bool radeon_card_posted(struct radeon_device *rdev)
{
uint32_t reg;
/* first check CRTCs */
if (ASIC_IS_AVIVO(rdev)) {
reg = RREG32(AVIVO_D1CRTC_CONTROL) |
RREG32(AVIVO_D2CRTC_CONTROL);
if (reg & AVIVO_CRTC_EN) {
return true;
}
} else {
reg = RREG32(RADEON_CRTC_GEN_CNTL) |
RREG32(RADEON_CRTC2_GEN_CNTL);
if (reg & RADEON_CRTC_EN) {
return true;
}
}
/* then check MEM_SIZE, in case the crtcs are off */
if (rdev->family >= CHIP_R600)
reg = RREG32(R600_CONFIG_MEMSIZE);
else
reg = RREG32(RADEON_CONFIG_MEMSIZE);
if (reg)
return true;
return false;
}
/*
* Registers accessors functions.
*/
uint32_t radeon_invalid_rreg(struct radeon_device *rdev, uint32_t reg)
{
DRM_ERROR("Invalid callback to read register 0x%04X\n", reg);
BUG_ON(1);
return 0;
}
void radeon_invalid_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
{
DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n",
reg, v);
BUG_ON(1);
}
void radeon_register_accessor_init(struct radeon_device *rdev)
{
rdev->mm_rreg = &r100_mm_rreg;
rdev->mm_wreg = &r100_mm_wreg;
rdev->mc_rreg = &radeon_invalid_rreg;
rdev->mc_wreg = &radeon_invalid_wreg;
rdev->pll_rreg = &radeon_invalid_rreg;
rdev->pll_wreg = &radeon_invalid_wreg;
rdev->pcie_rreg = &radeon_invalid_rreg;
rdev->pcie_wreg = &radeon_invalid_wreg;
rdev->pciep_rreg = &radeon_invalid_rreg;
rdev->pciep_wreg = &radeon_invalid_wreg;
/* Don't change order as we are overridding accessor. */
if (rdev->family < CHIP_RV515) {
rdev->pcie_rreg = &rv370_pcie_rreg;
rdev->pcie_wreg = &rv370_pcie_wreg;
}
if (rdev->family >= CHIP_RV515) {
rdev->pcie_rreg = &rv515_pcie_rreg;
rdev->pcie_wreg = &rv515_pcie_wreg;
}
/* FIXME: not sure here */
if (rdev->family <= CHIP_R580) {
rdev->pll_rreg = &r100_pll_rreg;
rdev->pll_wreg = &r100_pll_wreg;
}
if (rdev->family >= CHIP_RV515) {
rdev->mc_rreg = &rv515_mc_rreg;
rdev->mc_wreg = &rv515_mc_wreg;
}
if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) {
rdev->mc_rreg = &rs400_mc_rreg;
rdev->mc_wreg = &rs400_mc_wreg;
}
if (rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) {
rdev->mc_rreg = &rs690_mc_rreg;
rdev->mc_wreg = &rs690_mc_wreg;
}
if (rdev->family == CHIP_RS600) {
rdev->mc_rreg = &rs600_mc_rreg;
rdev->mc_wreg = &rs600_mc_wreg;
}
if (rdev->family >= CHIP_R600) {
rdev->pciep_rreg = &r600_pciep_rreg;
rdev->pciep_wreg = &r600_pciep_wreg;
}
}
/*
* ASIC
*/
int radeon_asic_init(struct radeon_device *rdev)
{
radeon_register_accessor_init(rdev);
switch (rdev->family) {
case CHIP_R100:
case CHIP_RV100:
case CHIP_RS100:
case CHIP_RV200:
case CHIP_RS200:
case CHIP_R200:
case CHIP_RV250:
case CHIP_RS300:
case CHIP_RV280:
rdev->asic = &r100_asic;
break;
case CHIP_R300:
case CHIP_R350:
case CHIP_RV350:
case CHIP_RV380:
rdev->asic = &r300_asic;
break;
case CHIP_R420:
case CHIP_R423:
case CHIP_RV410:
rdev->asic = &r420_asic;
break;
case CHIP_RS400:
case CHIP_RS480:
rdev->asic = &rs400_asic;
break;
case CHIP_RS600:
rdev->asic = &rs600_asic;
break;
case CHIP_RS690:
case CHIP_RS740:
rdev->asic = &rs690_asic;
break;
case CHIP_RV515:
rdev->asic = &rv515_asic;
break;
case CHIP_R520:
case CHIP_RV530:
case CHIP_RV560:
case CHIP_RV570:
case CHIP_R580:
rdev->asic = &r520_asic;
break;
case CHIP_R600:
case CHIP_RV610:
case CHIP_RV630:
case CHIP_RV620:
case CHIP_RV635:
case CHIP_RV670:
case CHIP_RS780:
case CHIP_RV770:
case CHIP_RV730:
case CHIP_RV710:
default:
/* FIXME: not supported yet */
return -EINVAL;
}
return 0;
}
/*
* Wrapper around modesetting bits.
*/
int radeon_clocks_init(struct radeon_device *rdev)
{
int r;
radeon_get_clock_info(rdev->ddev);
r = radeon_static_clocks_init(rdev->ddev);
if (r) {
return r;
}
DRM_INFO("Clocks initialized !\n");
return 0;
}
void radeon_clocks_fini(struct radeon_device *rdev)
{
}
/* ATOM accessor methods */
static uint32_t cail_pll_read(struct card_info *info, uint32_t reg)
{
struct radeon_device *rdev = info->dev->dev_private;
uint32_t r;
r = rdev->pll_rreg(rdev, reg);
return r;
}
static void cail_pll_write(struct card_info *info, uint32_t reg, uint32_t val)
{
struct radeon_device *rdev = info->dev->dev_private;
rdev->pll_wreg(rdev, reg, val);
}
static uint32_t cail_mc_read(struct card_info *info, uint32_t reg)
{
struct radeon_device *rdev = info->dev->dev_private;
uint32_t r;
r = rdev->mc_rreg(rdev, reg);
return r;
}
static void cail_mc_write(struct card_info *info, uint32_t reg, uint32_t val)
{
struct radeon_device *rdev = info->dev->dev_private;
rdev->mc_wreg(rdev, reg, val);
}
static void cail_reg_write(struct card_info *info, uint32_t reg, uint32_t val)
{
struct radeon_device *rdev = info->dev->dev_private;
WREG32(reg*4, val);
}
static uint32_t cail_reg_read(struct card_info *info, uint32_t reg)
{
struct radeon_device *rdev = info->dev->dev_private;
uint32_t r;
r = RREG32(reg*4);
return r;
}
static struct card_info atom_card_info = {
.dev = NULL,
.reg_read = cail_reg_read,
.reg_write = cail_reg_write,
.mc_read = cail_mc_read,
.mc_write = cail_mc_write,
.pll_read = cail_pll_read,
.pll_write = cail_pll_write,
};
int radeon_atombios_init(struct radeon_device *rdev)
{
atom_card_info.dev = rdev->ddev;
rdev->mode_info.atom_context = atom_parse(&atom_card_info, rdev->bios);
radeon_atom_initialize_bios_scratch_regs(rdev->ddev);
return 0;
}
void radeon_atombios_fini(struct radeon_device *rdev)
{
kfree(rdev->mode_info.atom_context);
}
int radeon_combios_init(struct radeon_device *rdev)
{
radeon_combios_initialize_bios_scratch_regs(rdev->ddev);
return 0;
}
void radeon_combios_fini(struct radeon_device *rdev)
{
}
int radeon_modeset_init(struct radeon_device *rdev);
void radeon_modeset_fini(struct radeon_device *rdev);
/*
* Radeon device.
*/
int radeon_device_init(struct radeon_device *rdev,
struct drm_device *ddev,
struct pci_dev *pdev,
uint32_t flags)
{
int r, ret;
DRM_INFO("radeon: Initializing kernel modesetting.\n");
rdev->shutdown = false;
rdev->ddev = ddev;
rdev->pdev = pdev;
rdev->flags = flags;
rdev->family = flags & RADEON_FAMILY_MASK;
rdev->is_atom_bios = false;
rdev->usec_timeout = RADEON_MAX_USEC_TIMEOUT;
rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
rdev->gpu_lockup = false;
/* mutex initialization are all done here so we
* can recall function without having locking issues */
mutex_init(&rdev->cs_mutex);
mutex_init(&rdev->ib_pool.mutex);
mutex_init(&rdev->cp.mutex);
rwlock_init(&rdev->fence_drv.lock);
if (radeon_agpmode == -1) {
rdev->flags &= ~RADEON_IS_AGP;
if (rdev->family > CHIP_RV515 ||
rdev->family == CHIP_RV380 ||
rdev->family == CHIP_RV410 ||
rdev->family == CHIP_R423) {
DRM_INFO("Forcing AGP to PCIE mode\n");
rdev->flags |= RADEON_IS_PCIE;
} else {
DRM_INFO("Forcing AGP to PCI mode\n");
rdev->flags |= RADEON_IS_PCI;
}
}
/* Set asic functions */
r = radeon_asic_init(rdev);
if (r) {
return r;
}
r = radeon_init(rdev);
if (r) {
return r;
}
/* Report DMA addressing limitation */
r = pci_set_dma_mask(rdev->pdev, DMA_BIT_MASK(32));
if (r) {
printk(KERN_WARNING "radeon: No suitable DMA available.\n");
}
/* Registers mapping */
/* TODO: block userspace mapping of io register */
rdev->rmmio_base = drm_get_resource_start(rdev->ddev, 2);
rdev->rmmio_size = drm_get_resource_len(rdev->ddev, 2);
rdev->rmmio = ioremap(rdev->rmmio_base, rdev->rmmio_size);
if (rdev->rmmio == NULL) {
return -ENOMEM;
}
DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)rdev->rmmio_base);
DRM_INFO("register mmio size: %u\n", (unsigned)rdev->rmmio_size);
/* Setup errata flags */
radeon_errata(rdev);
/* Initialize scratch registers */
radeon_scratch_init(rdev);
/* TODO: disable VGA need to use VGA request */
/* BIOS*/
if (!radeon_get_bios(rdev)) {
if (ASIC_IS_AVIVO(rdev))
return -EINVAL;
}
if (rdev->is_atom_bios) {
r = radeon_atombios_init(rdev);
if (r) {
return r;
}
} else {
r = radeon_combios_init(rdev);
if (r) {
return r;
}
}
/* Reset gpu before posting otherwise ATOM will enter infinite loop */
if (radeon_gpu_reset(rdev)) {
/* FIXME: what do we want to do here ? */
}
/* check if cards are posted or not */
if (!radeon_card_posted(rdev) && rdev->bios) {
DRM_INFO("GPU not posted. posting now...\n");
if (rdev->is_atom_bios) {
atom_asic_init(rdev->mode_info.atom_context);
} else {
radeon_combios_asic_init(rdev->ddev);
}
}
/* Get vram informations */
radeon_vram_info(rdev);
/* Device is severly broken if aper size > vram size.
* for RN50/M6/M7 - Novell bug 204882 ?
*/
if (rdev->mc.vram_size < rdev->mc.aper_size) {
rdev->mc.aper_size = rdev->mc.vram_size;
}
/* Add an MTRR for the VRAM */
rdev->mc.vram_mtrr = mtrr_add(rdev->mc.aper_base, rdev->mc.aper_size,
MTRR_TYPE_WRCOMB, 1);
DRM_INFO("Detected VRAM RAM=%uM, BAR=%uM\n",
rdev->mc.vram_size >> 20,
(unsigned)rdev->mc.aper_size >> 20);
DRM_INFO("RAM width %dbits %cDR\n",
rdev->mc.vram_width, rdev->mc.vram_is_ddr ? 'D' : 'S');
/* Initialize clocks */
r = radeon_clocks_init(rdev);
if (r) {
return r;
}
/* Initialize memory controller (also test AGP) */
r = radeon_mc_init(rdev);
if (r) {
return r;
}
/* Fence driver */
r = radeon_fence_driver_init(rdev);
if (r) {
return r;
}
r = radeon_irq_kms_init(rdev);
if (r) {
return r;
}
/* Memory manager */
r = radeon_object_init(rdev);
if (r) {
return r;
}
/* Initialize GART (initialize after TTM so we can allocate
* memory through TTM but finalize after TTM) */
r = radeon_gart_enable(rdev);
if (!r) {
r = radeon_gem_init(rdev);
}
/* 1M ring buffer */
if (!r) {
r = radeon_cp_init(rdev, 1024 * 1024);
}
if (!r) {
r = radeon_wb_init(rdev);
if (r) {
DRM_ERROR("radeon: failled initializing WB (%d).\n", r);
return r;
}
}
if (!r) {
r = radeon_ib_pool_init(rdev);
if (r) {
DRM_ERROR("radeon: failled initializing IB pool (%d).\n", r);
return r;
}
}
if (!r) {
r = radeon_ib_test(rdev);
if (r) {
DRM_ERROR("radeon: failled testing IB (%d).\n", r);
return r;
}
}
ret = r;
r = radeon_modeset_init(rdev);
if (r) {
return r;
}
if (rdev->fbdev_rfb && rdev->fbdev_rfb->obj) {
rdev->fbdev_robj = rdev->fbdev_rfb->obj->driver_private;
}
if (!ret) {
DRM_INFO("radeon: kernel modesetting successfully initialized.\n");
}
if (radeon_benchmarking) {
radeon_benchmark(rdev);
}
return ret;
}
void radeon_device_fini(struct radeon_device *rdev)
{
if (rdev == NULL || rdev->rmmio == NULL) {
return;
}
DRM_INFO("radeon: finishing device.\n");
rdev->shutdown = true;
/* Order matter so becarefull if you rearrange anythings */
radeon_modeset_fini(rdev);
radeon_ib_pool_fini(rdev);
radeon_cp_fini(rdev);
radeon_wb_fini(rdev);
radeon_gem_fini(rdev);
radeon_object_fini(rdev);
/* mc_fini must be after object_fini */
radeon_mc_fini(rdev);
#if __OS_HAS_AGP
radeon_agp_fini(rdev);
#endif
radeon_irq_kms_fini(rdev);
radeon_fence_driver_fini(rdev);
radeon_clocks_fini(rdev);
if (rdev->is_atom_bios) {
radeon_atombios_fini(rdev);
} else {
radeon_combios_fini(rdev);
}
kfree(rdev->bios);
rdev->bios = NULL;
iounmap(rdev->rmmio);
rdev->rmmio = NULL;
}
/*
* Suspend & resume.
*/
int radeon_suspend_kms(struct drm_device *dev, pm_message_t state)
{
struct radeon_device *rdev = dev->dev_private;
struct drm_crtc *crtc;
if (dev == NULL || rdev == NULL) {
return -ENODEV;
}
if (state.event == PM_EVENT_PRETHAW) {
return 0;
}
/* unpin the front buffers */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct radeon_framebuffer *rfb = to_radeon_framebuffer(crtc->fb);
struct radeon_object *robj;
if (rfb == NULL || rfb->obj == NULL) {
continue;
}
robj = rfb->obj->driver_private;
if (robj != rdev->fbdev_robj) {
radeon_object_unpin(robj);
}
}
/* evict vram memory */
radeon_object_evict_vram(rdev);
/* wait for gpu to finish processing current batch */
radeon_fence_wait_last(rdev);
radeon_cp_disable(rdev);
radeon_gart_disable(rdev);
/* evict remaining vram memory */
radeon_object_evict_vram(rdev);
rdev->irq.sw_int = false;
radeon_irq_set(rdev);
pci_save_state(dev->pdev);
if (state.event == PM_EVENT_SUSPEND) {
/* Shut down the device */
pci_disable_device(dev->pdev);
pci_set_power_state(dev->pdev, PCI_D3hot);
}
acquire_console_sem();
fb_set_suspend(rdev->fbdev_info, 1);
release_console_sem();
return 0;
}
int radeon_resume_kms(struct drm_device *dev)
{
struct radeon_device *rdev = dev->dev_private;
int r;
acquire_console_sem();
pci_set_power_state(dev->pdev, PCI_D0);
pci_restore_state(dev->pdev);
if (pci_enable_device(dev->pdev)) {
release_console_sem();
return -1;
}
pci_set_master(dev->pdev);
/* Reset gpu before posting otherwise ATOM will enter infinite loop */
if (radeon_gpu_reset(rdev)) {
/* FIXME: what do we want to do here ? */
}
/* post card */
if (rdev->is_atom_bios) {
atom_asic_init(rdev->mode_info.atom_context);
} else {
radeon_combios_asic_init(rdev->ddev);
}
/* Initialize clocks */
r = radeon_clocks_init(rdev);
if (r) {
release_console_sem();
return r;
}
/* Enable IRQ */
rdev->irq.sw_int = true;
radeon_irq_set(rdev);
/* Initialize GPU Memory Controller */
r = radeon_mc_init(rdev);
if (r) {
goto out;
}
r = radeon_gart_enable(rdev);
if (r) {
goto out;
}
r = radeon_cp_init(rdev, rdev->cp.ring_size);
if (r) {
goto out;
}
out:
fb_set_suspend(rdev->fbdev_info, 0);
release_console_sem();
/* blat the mode back in */
drm_helper_resume_force_mode(dev);
return 0;
}
/*
* Debugfs
*/
struct radeon_debugfs {
struct drm_info_list *files;
unsigned num_files;
};
static struct radeon_debugfs _radeon_debugfs[RADEON_DEBUGFS_MAX_NUM_FILES];
static unsigned _radeon_debugfs_count = 0;
int radeon_debugfs_add_files(struct radeon_device *rdev,
struct drm_info_list *files,
unsigned nfiles)
{
unsigned i;
for (i = 0; i < _radeon_debugfs_count; i++) {
if (_radeon_debugfs[i].files == files) {
/* Already registered */
return 0;
}
}
if ((_radeon_debugfs_count + nfiles) > RADEON_DEBUGFS_MAX_NUM_FILES) {
DRM_ERROR("Reached maximum number of debugfs files.\n");
DRM_ERROR("Report so we increase RADEON_DEBUGFS_MAX_NUM_FILES.\n");
return -EINVAL;
}
_radeon_debugfs[_radeon_debugfs_count].files = files;
_radeon_debugfs[_radeon_debugfs_count].num_files = nfiles;
_radeon_debugfs_count++;
#if defined(CONFIG_DEBUG_FS)
drm_debugfs_create_files(files, nfiles,
rdev->ddev->control->debugfs_root,
rdev->ddev->control);
drm_debugfs_create_files(files, nfiles,
rdev->ddev->primary->debugfs_root,
rdev->ddev->primary);
#endif
return 0;
}
#if defined(CONFIG_DEBUG_FS)
int radeon_debugfs_init(struct drm_minor *minor)
{
return 0;
}
void radeon_debugfs_cleanup(struct drm_minor *minor)
{
unsigned i;
for (i = 0; i < _radeon_debugfs_count; i++) {
drm_debugfs_remove_files(_radeon_debugfs[i].files,
_radeon_debugfs[i].num_files, minor);
}
}
#endif