2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
24 * Authors: Dave Airlie
28 #include <linux/console.h>
29 #include <linux/slab.h>
31 #include <drm/drm_crtc_helper.h>
32 #include <drm/radeon_drm.h>
33 #include <linux/vgaarb.h>
34 #include <linux/vga_switcheroo.h>
35 #include <linux/efi.h>
36 #include "radeon_reg.h"
40 static const char radeon_family_name
[][16] = {
102 * radeon_program_register_sequence - program an array of registers.
104 * @rdev: radeon_device pointer
105 * @registers: pointer to the register array
106 * @array_size: size of the register array
108 * Programs an array or registers with and and or masks.
109 * This is a helper for setting golden registers.
111 void radeon_program_register_sequence(struct radeon_device
*rdev
,
112 const u32
*registers
,
113 const u32 array_size
)
115 u32 tmp
, reg
, and_mask
, or_mask
;
121 for (i
= 0; i
< array_size
; i
+=3) {
122 reg
= registers
[i
+ 0];
123 and_mask
= registers
[i
+ 1];
124 or_mask
= registers
[i
+ 2];
126 if (and_mask
== 0xffffffff) {
138 * radeon_surface_init - Clear GPU surface registers.
140 * @rdev: radeon_device pointer
142 * Clear GPU surface registers (r1xx-r5xx).
144 void radeon_surface_init(struct radeon_device
*rdev
)
146 /* FIXME: check this out */
147 if (rdev
->family
< CHIP_R600
) {
150 for (i
= 0; i
< RADEON_GEM_MAX_SURFACES
; i
++) {
151 if (rdev
->surface_regs
[i
].bo
)
152 radeon_bo_get_surface_reg(rdev
->surface_regs
[i
].bo
);
154 radeon_clear_surface_reg(rdev
, i
);
156 /* enable surfaces */
157 WREG32(RADEON_SURFACE_CNTL
, 0);
162 * GPU scratch registers helpers function.
165 * radeon_scratch_init - Init scratch register driver information.
167 * @rdev: radeon_device pointer
169 * Init CP scratch register driver information (r1xx-r5xx)
171 void radeon_scratch_init(struct radeon_device
*rdev
)
175 /* FIXME: check this out */
176 if (rdev
->family
< CHIP_R300
) {
177 rdev
->scratch
.num_reg
= 5;
179 rdev
->scratch
.num_reg
= 7;
181 rdev
->scratch
.reg_base
= RADEON_SCRATCH_REG0
;
182 for (i
= 0; i
< rdev
->scratch
.num_reg
; i
++) {
183 rdev
->scratch
.free
[i
] = true;
184 rdev
->scratch
.reg
[i
] = rdev
->scratch
.reg_base
+ (i
* 4);
189 * radeon_scratch_get - Allocate a scratch register
191 * @rdev: radeon_device pointer
192 * @reg: scratch register mmio offset
194 * Allocate a CP scratch register for use by the driver (all asics).
195 * Returns 0 on success or -EINVAL on failure.
197 int radeon_scratch_get(struct radeon_device
*rdev
, uint32_t *reg
)
201 for (i
= 0; i
< rdev
->scratch
.num_reg
; i
++) {
202 if (rdev
->scratch
.free
[i
]) {
203 rdev
->scratch
.free
[i
] = false;
204 *reg
= rdev
->scratch
.reg
[i
];
212 * radeon_scratch_free - Free a scratch register
214 * @rdev: radeon_device pointer
215 * @reg: scratch register mmio offset
217 * Free a CP scratch register allocated for use by the driver (all asics)
219 void radeon_scratch_free(struct radeon_device
*rdev
, uint32_t reg
)
223 for (i
= 0; i
< rdev
->scratch
.num_reg
; i
++) {
224 if (rdev
->scratch
.reg
[i
] == reg
) {
225 rdev
->scratch
.free
[i
] = true;
233 * Writeback is the the method by which the the GPU updates special pages
234 * in memory with the status of certain GPU events (fences, ring pointers,
239 * radeon_wb_disable - Disable Writeback
241 * @rdev: radeon_device pointer
243 * Disables Writeback (all asics). Used for suspend.
245 void radeon_wb_disable(struct radeon_device
*rdev
)
249 if (rdev
->wb
.wb_obj
) {
250 r
= radeon_bo_reserve(rdev
->wb
.wb_obj
, false);
251 if (unlikely(r
!= 0))
253 radeon_bo_kunmap(rdev
->wb
.wb_obj
);
254 radeon_bo_unpin(rdev
->wb
.wb_obj
);
255 radeon_bo_unreserve(rdev
->wb
.wb_obj
);
257 rdev
->wb
.enabled
= false;
261 * radeon_wb_fini - Disable Writeback and free memory
263 * @rdev: radeon_device pointer
265 * Disables Writeback and frees the Writeback memory (all asics).
266 * Used at driver shutdown.
268 void radeon_wb_fini(struct radeon_device
*rdev
)
270 radeon_wb_disable(rdev
);
271 if (rdev
->wb
.wb_obj
) {
272 radeon_bo_unref(&rdev
->wb
.wb_obj
);
274 rdev
->wb
.wb_obj
= NULL
;
279 * radeon_wb_init- Init Writeback driver info and allocate memory
281 * @rdev: radeon_device pointer
283 * Disables Writeback and frees the Writeback memory (all asics).
284 * Used at driver startup.
285 * Returns 0 on success or an -error on failure.
287 int radeon_wb_init(struct radeon_device
*rdev
)
291 if (rdev
->wb
.wb_obj
== NULL
) {
292 r
= radeon_bo_create(rdev
, RADEON_GPU_PAGE_SIZE
, PAGE_SIZE
, true,
293 RADEON_GEM_DOMAIN_GTT
, NULL
, &rdev
->wb
.wb_obj
);
295 dev_warn(rdev
->dev
, "(%d) create WB bo failed\n", r
);
299 r
= radeon_bo_reserve(rdev
->wb
.wb_obj
, false);
300 if (unlikely(r
!= 0)) {
301 radeon_wb_fini(rdev
);
304 r
= radeon_bo_pin(rdev
->wb
.wb_obj
, RADEON_GEM_DOMAIN_GTT
,
307 radeon_bo_unreserve(rdev
->wb
.wb_obj
);
308 dev_warn(rdev
->dev
, "(%d) pin WB bo failed\n", r
);
309 radeon_wb_fini(rdev
);
312 r
= radeon_bo_kmap(rdev
->wb
.wb_obj
, (void **)&rdev
->wb
.wb
);
313 radeon_bo_unreserve(rdev
->wb
.wb_obj
);
315 dev_warn(rdev
->dev
, "(%d) map WB bo failed\n", r
);
316 radeon_wb_fini(rdev
);
320 /* clear wb memory */
321 memset((char *)rdev
->wb
.wb
, 0, RADEON_GPU_PAGE_SIZE
);
322 /* disable event_write fences */
323 rdev
->wb
.use_event
= false;
324 /* disabled via module param */
325 if (radeon_no_wb
== 1) {
326 rdev
->wb
.enabled
= false;
328 if (rdev
->flags
& RADEON_IS_AGP
) {
329 /* often unreliable on AGP */
330 rdev
->wb
.enabled
= false;
331 } else if (rdev
->family
< CHIP_R300
) {
332 /* often unreliable on pre-r300 */
333 rdev
->wb
.enabled
= false;
335 rdev
->wb
.enabled
= true;
336 /* event_write fences are only available on r600+ */
337 if (rdev
->family
>= CHIP_R600
) {
338 rdev
->wb
.use_event
= true;
342 /* always use writeback/events on NI, APUs */
343 if (rdev
->family
>= CHIP_PALM
) {
344 rdev
->wb
.enabled
= true;
345 rdev
->wb
.use_event
= true;
348 dev_info(rdev
->dev
, "WB %sabled\n", rdev
->wb
.enabled
? "en" : "dis");
354 * radeon_vram_location - try to find VRAM location
355 * @rdev: radeon device structure holding all necessary informations
356 * @mc: memory controller structure holding memory informations
357 * @base: base address at which to put VRAM
359 * Function will place try to place VRAM at base address provided
360 * as parameter (which is so far either PCI aperture address or
361 * for IGP TOM base address).
363 * If there is not enough space to fit the unvisible VRAM in the 32bits
364 * address space then we limit the VRAM size to the aperture.
366 * If we are using AGP and if the AGP aperture doesn't allow us to have
367 * room for all the VRAM than we restrict the VRAM to the PCI aperture
368 * size and print a warning.
370 * This function will never fails, worst case are limiting VRAM.
372 * Note: GTT start, end, size should be initialized before calling this
373 * function on AGP platform.
375 * Note: We don't explicitly enforce VRAM start to be aligned on VRAM size,
376 * this shouldn't be a problem as we are using the PCI aperture as a reference.
377 * Otherwise this would be needed for rv280, all r3xx, and all r4xx, but
380 * Note: we use mc_vram_size as on some board we need to program the mc to
381 * cover the whole aperture even if VRAM size is inferior to aperture size
382 * Novell bug 204882 + along with lots of ubuntu ones
384 * Note: when limiting vram it's safe to overwritte real_vram_size because
385 * we are not in case where real_vram_size is inferior to mc_vram_size (ie
386 * note afected by bogus hw of Novell bug 204882 + along with lots of ubuntu
389 * Note: IGP TOM addr should be the same as the aperture addr, we don't
390 * explicitly check for that thought.
392 * FIXME: when reducing VRAM size align new size on power of 2.
394 void radeon_vram_location(struct radeon_device
*rdev
, struct radeon_mc
*mc
, u64 base
)
396 uint64_t limit
= (uint64_t)radeon_vram_limit
<< 20;
398 mc
->vram_start
= base
;
399 if (mc
->mc_vram_size
> (rdev
->mc
.mc_mask
- base
+ 1)) {
400 dev_warn(rdev
->dev
, "limiting VRAM to PCI aperture size\n");
401 mc
->real_vram_size
= mc
->aper_size
;
402 mc
->mc_vram_size
= mc
->aper_size
;
404 mc
->vram_end
= mc
->vram_start
+ mc
->mc_vram_size
- 1;
405 if (rdev
->flags
& RADEON_IS_AGP
&& mc
->vram_end
> mc
->gtt_start
&& mc
->vram_start
<= mc
->gtt_end
) {
406 dev_warn(rdev
->dev
, "limiting VRAM to PCI aperture size\n");
407 mc
->real_vram_size
= mc
->aper_size
;
408 mc
->mc_vram_size
= mc
->aper_size
;
410 mc
->vram_end
= mc
->vram_start
+ mc
->mc_vram_size
- 1;
411 if (limit
&& limit
< mc
->real_vram_size
)
412 mc
->real_vram_size
= limit
;
413 dev_info(rdev
->dev
, "VRAM: %lluM 0x%016llX - 0x%016llX (%lluM used)\n",
414 mc
->mc_vram_size
>> 20, mc
->vram_start
,
415 mc
->vram_end
, mc
->real_vram_size
>> 20);
419 * radeon_gtt_location - try to find GTT location
420 * @rdev: radeon device structure holding all necessary informations
421 * @mc: memory controller structure holding memory informations
423 * Function will place try to place GTT before or after VRAM.
425 * If GTT size is bigger than space left then we ajust GTT size.
426 * Thus function will never fails.
428 * FIXME: when reducing GTT size align new size on power of 2.
430 void radeon_gtt_location(struct radeon_device
*rdev
, struct radeon_mc
*mc
)
432 u64 size_af
, size_bf
;
434 size_af
= ((rdev
->mc
.mc_mask
- mc
->vram_end
) + mc
->gtt_base_align
) & ~mc
->gtt_base_align
;
435 size_bf
= mc
->vram_start
& ~mc
->gtt_base_align
;
436 if (size_bf
> size_af
) {
437 if (mc
->gtt_size
> size_bf
) {
438 dev_warn(rdev
->dev
, "limiting GTT\n");
439 mc
->gtt_size
= size_bf
;
441 mc
->gtt_start
= (mc
->vram_start
& ~mc
->gtt_base_align
) - mc
->gtt_size
;
443 if (mc
->gtt_size
> size_af
) {
444 dev_warn(rdev
->dev
, "limiting GTT\n");
445 mc
->gtt_size
= size_af
;
447 mc
->gtt_start
= (mc
->vram_end
+ 1 + mc
->gtt_base_align
) & ~mc
->gtt_base_align
;
449 mc
->gtt_end
= mc
->gtt_start
+ mc
->gtt_size
- 1;
450 dev_info(rdev
->dev
, "GTT: %lluM 0x%016llX - 0x%016llX\n",
451 mc
->gtt_size
>> 20, mc
->gtt_start
, mc
->gtt_end
);
455 * GPU helpers function.
458 * radeon_card_posted - check if the hw has already been initialized
460 * @rdev: radeon_device pointer
462 * Check if the asic has been initialized (all asics).
463 * Used at driver startup.
464 * Returns true if initialized or false if not.
466 bool radeon_card_posted(struct radeon_device
*rdev
)
470 if (efi_enabled(EFI_BOOT
) &&
471 rdev
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_APPLE
)
474 /* first check CRTCs */
475 if (ASIC_IS_DCE41(rdev
)) {
476 reg
= RREG32(EVERGREEN_CRTC_CONTROL
+ EVERGREEN_CRTC0_REGISTER_OFFSET
) |
477 RREG32(EVERGREEN_CRTC_CONTROL
+ EVERGREEN_CRTC1_REGISTER_OFFSET
);
478 if (reg
& EVERGREEN_CRTC_MASTER_EN
)
480 } else if (ASIC_IS_DCE4(rdev
)) {
481 reg
= RREG32(EVERGREEN_CRTC_CONTROL
+ EVERGREEN_CRTC0_REGISTER_OFFSET
) |
482 RREG32(EVERGREEN_CRTC_CONTROL
+ EVERGREEN_CRTC1_REGISTER_OFFSET
) |
483 RREG32(EVERGREEN_CRTC_CONTROL
+ EVERGREEN_CRTC2_REGISTER_OFFSET
) |
484 RREG32(EVERGREEN_CRTC_CONTROL
+ EVERGREEN_CRTC3_REGISTER_OFFSET
) |
485 RREG32(EVERGREEN_CRTC_CONTROL
+ EVERGREEN_CRTC4_REGISTER_OFFSET
) |
486 RREG32(EVERGREEN_CRTC_CONTROL
+ EVERGREEN_CRTC5_REGISTER_OFFSET
);
487 if (reg
& EVERGREEN_CRTC_MASTER_EN
)
489 } else if (ASIC_IS_AVIVO(rdev
)) {
490 reg
= RREG32(AVIVO_D1CRTC_CONTROL
) |
491 RREG32(AVIVO_D2CRTC_CONTROL
);
492 if (reg
& AVIVO_CRTC_EN
) {
496 reg
= RREG32(RADEON_CRTC_GEN_CNTL
) |
497 RREG32(RADEON_CRTC2_GEN_CNTL
);
498 if (reg
& RADEON_CRTC_EN
) {
503 /* then check MEM_SIZE, in case the crtcs are off */
504 if (rdev
->family
>= CHIP_R600
)
505 reg
= RREG32(R600_CONFIG_MEMSIZE
);
507 reg
= RREG32(RADEON_CONFIG_MEMSIZE
);
517 * radeon_update_bandwidth_info - update display bandwidth params
519 * @rdev: radeon_device pointer
521 * Used when sclk/mclk are switched or display modes are set.
522 * params are used to calculate display watermarks (all asics)
524 void radeon_update_bandwidth_info(struct radeon_device
*rdev
)
527 u32 sclk
= rdev
->pm
.current_sclk
;
528 u32 mclk
= rdev
->pm
.current_mclk
;
530 /* sclk/mclk in Mhz */
531 a
.full
= dfixed_const(100);
532 rdev
->pm
.sclk
.full
= dfixed_const(sclk
);
533 rdev
->pm
.sclk
.full
= dfixed_div(rdev
->pm
.sclk
, a
);
534 rdev
->pm
.mclk
.full
= dfixed_const(mclk
);
535 rdev
->pm
.mclk
.full
= dfixed_div(rdev
->pm
.mclk
, a
);
537 if (rdev
->flags
& RADEON_IS_IGP
) {
538 a
.full
= dfixed_const(16);
539 /* core_bandwidth = sclk(Mhz) * 16 */
540 rdev
->pm
.core_bandwidth
.full
= dfixed_div(rdev
->pm
.sclk
, a
);
545 * radeon_boot_test_post_card - check and possibly initialize the hw
547 * @rdev: radeon_device pointer
549 * Check if the asic is initialized and if not, attempt to initialize
551 * Returns true if initialized or false if not.
553 bool radeon_boot_test_post_card(struct radeon_device
*rdev
)
555 if (radeon_card_posted(rdev
))
559 DRM_INFO("GPU not posted. posting now...\n");
560 if (rdev
->is_atom_bios
)
561 atom_asic_init(rdev
->mode_info
.atom_context
);
563 radeon_combios_asic_init(rdev
->ddev
);
566 dev_err(rdev
->dev
, "Card not posted and no BIOS - ignoring\n");
572 * radeon_dummy_page_init - init dummy page used by the driver
574 * @rdev: radeon_device pointer
576 * Allocate the dummy page used by the driver (all asics).
577 * This dummy page is used by the driver as a filler for gart entries
578 * when pages are taken out of the GART
579 * Returns 0 on sucess, -ENOMEM on failure.
581 int radeon_dummy_page_init(struct radeon_device
*rdev
)
583 if (rdev
->dummy_page
.page
)
585 rdev
->dummy_page
.page
= alloc_page(GFP_DMA32
| GFP_KERNEL
| __GFP_ZERO
);
586 if (rdev
->dummy_page
.page
== NULL
)
588 rdev
->dummy_page
.addr
= pci_map_page(rdev
->pdev
, rdev
->dummy_page
.page
,
589 0, PAGE_SIZE
, PCI_DMA_BIDIRECTIONAL
);
590 if (pci_dma_mapping_error(rdev
->pdev
, rdev
->dummy_page
.addr
)) {
591 dev_err(&rdev
->pdev
->dev
, "Failed to DMA MAP the dummy page\n");
592 __free_page(rdev
->dummy_page
.page
);
593 rdev
->dummy_page
.page
= NULL
;
600 * radeon_dummy_page_fini - free dummy page used by the driver
602 * @rdev: radeon_device pointer
604 * Frees the dummy page used by the driver (all asics).
606 void radeon_dummy_page_fini(struct radeon_device
*rdev
)
608 if (rdev
->dummy_page
.page
== NULL
)
610 pci_unmap_page(rdev
->pdev
, rdev
->dummy_page
.addr
,
611 PAGE_SIZE
, PCI_DMA_BIDIRECTIONAL
);
612 __free_page(rdev
->dummy_page
.page
);
613 rdev
->dummy_page
.page
= NULL
;
617 /* ATOM accessor methods */
619 * ATOM is an interpreted byte code stored in tables in the vbios. The
620 * driver registers callbacks to access registers and the interpreter
621 * in the driver parses the tables and executes then to program specific
622 * actions (set display modes, asic init, etc.). See radeon_atombios.c,
623 * atombios.h, and atom.c
627 * cail_pll_read - read PLL register
629 * @info: atom card_info pointer
630 * @reg: PLL register offset
632 * Provides a PLL register accessor for the atom interpreter (r4xx+).
633 * Returns the value of the PLL register.
635 static uint32_t cail_pll_read(struct card_info
*info
, uint32_t reg
)
637 struct radeon_device
*rdev
= info
->dev
->dev_private
;
640 r
= rdev
->pll_rreg(rdev
, reg
);
645 * cail_pll_write - write PLL register
647 * @info: atom card_info pointer
648 * @reg: PLL register offset
649 * @val: value to write to the pll register
651 * Provides a PLL register accessor for the atom interpreter (r4xx+).
653 static void cail_pll_write(struct card_info
*info
, uint32_t reg
, uint32_t val
)
655 struct radeon_device
*rdev
= info
->dev
->dev_private
;
657 rdev
->pll_wreg(rdev
, reg
, val
);
661 * cail_mc_read - read MC (Memory Controller) register
663 * @info: atom card_info pointer
664 * @reg: MC register offset
666 * Provides an MC register accessor for the atom interpreter (r4xx+).
667 * Returns the value of the MC register.
669 static uint32_t cail_mc_read(struct card_info
*info
, uint32_t reg
)
671 struct radeon_device
*rdev
= info
->dev
->dev_private
;
674 r
= rdev
->mc_rreg(rdev
, reg
);
679 * cail_mc_write - write MC (Memory Controller) register
681 * @info: atom card_info pointer
682 * @reg: MC register offset
683 * @val: value to write to the pll register
685 * Provides a MC register accessor for the atom interpreter (r4xx+).
687 static void cail_mc_write(struct card_info
*info
, uint32_t reg
, uint32_t val
)
689 struct radeon_device
*rdev
= info
->dev
->dev_private
;
691 rdev
->mc_wreg(rdev
, reg
, val
);
695 * cail_reg_write - write MMIO register
697 * @info: atom card_info pointer
698 * @reg: MMIO register offset
699 * @val: value to write to the pll register
701 * Provides a MMIO register accessor for the atom interpreter (r4xx+).
703 static void cail_reg_write(struct card_info
*info
, uint32_t reg
, uint32_t val
)
705 struct radeon_device
*rdev
= info
->dev
->dev_private
;
711 * cail_reg_read - read MMIO register
713 * @info: atom card_info pointer
714 * @reg: MMIO register offset
716 * Provides an MMIO register accessor for the atom interpreter (r4xx+).
717 * Returns the value of the MMIO register.
719 static uint32_t cail_reg_read(struct card_info
*info
, uint32_t reg
)
721 struct radeon_device
*rdev
= info
->dev
->dev_private
;
729 * cail_ioreg_write - write IO register
731 * @info: atom card_info pointer
732 * @reg: IO register offset
733 * @val: value to write to the pll register
735 * Provides a IO register accessor for the atom interpreter (r4xx+).
737 static void cail_ioreg_write(struct card_info
*info
, uint32_t reg
, uint32_t val
)
739 struct radeon_device
*rdev
= info
->dev
->dev_private
;
741 WREG32_IO(reg
*4, val
);
745 * cail_ioreg_read - read IO register
747 * @info: atom card_info pointer
748 * @reg: IO register offset
750 * Provides an IO register accessor for the atom interpreter (r4xx+).
751 * Returns the value of the IO register.
753 static uint32_t cail_ioreg_read(struct card_info
*info
, uint32_t reg
)
755 struct radeon_device
*rdev
= info
->dev
->dev_private
;
758 r
= RREG32_IO(reg
*4);
763 * radeon_atombios_init - init the driver info and callbacks for atombios
765 * @rdev: radeon_device pointer
767 * Initializes the driver info and register access callbacks for the
768 * ATOM interpreter (r4xx+).
769 * Returns 0 on sucess, -ENOMEM on failure.
770 * Called at driver startup.
772 int radeon_atombios_init(struct radeon_device
*rdev
)
774 struct card_info
*atom_card_info
=
775 kzalloc(sizeof(struct card_info
), GFP_KERNEL
);
780 rdev
->mode_info
.atom_card_info
= atom_card_info
;
781 atom_card_info
->dev
= rdev
->ddev
;
782 atom_card_info
->reg_read
= cail_reg_read
;
783 atom_card_info
->reg_write
= cail_reg_write
;
784 /* needed for iio ops */
786 atom_card_info
->ioreg_read
= cail_ioreg_read
;
787 atom_card_info
->ioreg_write
= cail_ioreg_write
;
789 DRM_ERROR("Unable to find PCI I/O BAR; using MMIO for ATOM IIO\n");
790 atom_card_info
->ioreg_read
= cail_reg_read
;
791 atom_card_info
->ioreg_write
= cail_reg_write
;
793 atom_card_info
->mc_read
= cail_mc_read
;
794 atom_card_info
->mc_write
= cail_mc_write
;
795 atom_card_info
->pll_read
= cail_pll_read
;
796 atom_card_info
->pll_write
= cail_pll_write
;
798 rdev
->mode_info
.atom_context
= atom_parse(atom_card_info
, rdev
->bios
);
799 if (!rdev
->mode_info
.atom_context
) {
800 radeon_atombios_fini(rdev
);
804 mutex_init(&rdev
->mode_info
.atom_context
->mutex
);
805 radeon_atom_initialize_bios_scratch_regs(rdev
->ddev
);
806 atom_allocate_fb_scratch(rdev
->mode_info
.atom_context
);
811 * radeon_atombios_fini - free the driver info and callbacks for atombios
813 * @rdev: radeon_device pointer
815 * Frees the driver info and register access callbacks for the ATOM
816 * interpreter (r4xx+).
817 * Called at driver shutdown.
819 void radeon_atombios_fini(struct radeon_device
*rdev
)
821 if (rdev
->mode_info
.atom_context
) {
822 kfree(rdev
->mode_info
.atom_context
->scratch
);
824 kfree(rdev
->mode_info
.atom_context
);
825 rdev
->mode_info
.atom_context
= NULL
;
826 kfree(rdev
->mode_info
.atom_card_info
);
827 rdev
->mode_info
.atom_card_info
= NULL
;
832 * COMBIOS is the bios format prior to ATOM. It provides
833 * command tables similar to ATOM, but doesn't have a unified
834 * parser. See radeon_combios.c
838 * radeon_combios_init - init the driver info for combios
840 * @rdev: radeon_device pointer
842 * Initializes the driver info for combios (r1xx-r3xx).
843 * Returns 0 on sucess.
844 * Called at driver startup.
846 int radeon_combios_init(struct radeon_device
*rdev
)
848 radeon_combios_initialize_bios_scratch_regs(rdev
->ddev
);
853 * radeon_combios_fini - free the driver info for combios
855 * @rdev: radeon_device pointer
857 * Frees the driver info for combios (r1xx-r3xx).
858 * Called at driver shutdown.
860 void radeon_combios_fini(struct radeon_device
*rdev
)
864 /* if we get transitioned to only one device, take VGA back */
866 * radeon_vga_set_decode - enable/disable vga decode
868 * @cookie: radeon_device pointer
869 * @state: enable/disable vga decode
871 * Enable/disable vga decode (all asics).
872 * Returns VGA resource flags.
874 static unsigned int radeon_vga_set_decode(void *cookie
, bool state
)
876 struct radeon_device
*rdev
= cookie
;
877 radeon_vga_set_state(rdev
, state
);
879 return VGA_RSRC_LEGACY_IO
| VGA_RSRC_LEGACY_MEM
|
880 VGA_RSRC_NORMAL_IO
| VGA_RSRC_NORMAL_MEM
;
882 return VGA_RSRC_NORMAL_IO
| VGA_RSRC_NORMAL_MEM
;
886 * radeon_check_pot_argument - check that argument is a power of two
888 * @arg: value to check
890 * Validates that a certain argument is a power of two (all asics).
891 * Returns true if argument is valid.
893 static bool radeon_check_pot_argument(int arg
)
895 return (arg
& (arg
- 1)) == 0;
899 * radeon_check_arguments - validate module params
901 * @rdev: radeon_device pointer
903 * Validates certain module parameters and updates
904 * the associated values used by the driver (all asics).
906 static void radeon_check_arguments(struct radeon_device
*rdev
)
908 /* vramlimit must be a power of two */
909 if (!radeon_check_pot_argument(radeon_vram_limit
)) {
910 dev_warn(rdev
->dev
, "vram limit (%d) must be a power of 2\n",
912 radeon_vram_limit
= 0;
915 /* gtt size must be power of two and greater or equal to 32M */
916 if (radeon_gart_size
< 32) {
917 dev_warn(rdev
->dev
, "gart size (%d) too small forcing to 512M\n",
919 radeon_gart_size
= 512;
921 } else if (!radeon_check_pot_argument(radeon_gart_size
)) {
922 dev_warn(rdev
->dev
, "gart size (%d) must be a power of 2\n",
924 radeon_gart_size
= 512;
926 rdev
->mc
.gtt_size
= (uint64_t)radeon_gart_size
<< 20;
928 /* AGP mode can only be -1, 1, 2, 4, 8 */
929 switch (radeon_agpmode
) {
938 dev_warn(rdev
->dev
, "invalid AGP mode %d (valid mode: "
939 "-1, 0, 1, 2, 4, 8)\n", radeon_agpmode
);
946 * radeon_switcheroo_quirk_long_wakeup - return true if longer d3 delay is
947 * needed for waking up.
949 * @pdev: pci dev pointer
951 static bool radeon_switcheroo_quirk_long_wakeup(struct pci_dev
*pdev
)
954 /* 6600m in a macbook pro */
955 if (pdev
->subsystem_vendor
== PCI_VENDOR_ID_APPLE
&&
956 pdev
->subsystem_device
== 0x00e2) {
957 printk(KERN_INFO
"radeon: quirking longer d3 wakeup delay\n");
965 * radeon_switcheroo_set_state - set switcheroo state
967 * @pdev: pci dev pointer
968 * @state: vga switcheroo state
970 * Callback for the switcheroo driver. Suspends or resumes the
971 * the asics before or after it is powered up using ACPI methods.
973 static void radeon_switcheroo_set_state(struct pci_dev
*pdev
, enum vga_switcheroo_state state
)
975 struct drm_device
*dev
= pci_get_drvdata(pdev
);
976 pm_message_t pmm
= { .event
= PM_EVENT_SUSPEND
};
977 if (state
== VGA_SWITCHEROO_ON
) {
978 unsigned d3_delay
= dev
->pdev
->d3_delay
;
980 printk(KERN_INFO
"radeon: switched on\n");
981 /* don't suspend or resume card normally */
982 dev
->switch_power_state
= DRM_SWITCH_POWER_CHANGING
;
984 if (d3_delay
< 20 && radeon_switcheroo_quirk_long_wakeup(pdev
))
985 dev
->pdev
->d3_delay
= 20;
987 radeon_resume_kms(dev
);
989 dev
->pdev
->d3_delay
= d3_delay
;
991 dev
->switch_power_state
= DRM_SWITCH_POWER_ON
;
992 drm_kms_helper_poll_enable(dev
);
994 printk(KERN_INFO
"radeon: switched off\n");
995 drm_kms_helper_poll_disable(dev
);
996 dev
->switch_power_state
= DRM_SWITCH_POWER_CHANGING
;
997 radeon_suspend_kms(dev
, pmm
);
998 dev
->switch_power_state
= DRM_SWITCH_POWER_OFF
;
1003 * radeon_switcheroo_can_switch - see if switcheroo state can change
1005 * @pdev: pci dev pointer
1007 * Callback for the switcheroo driver. Check of the switcheroo
1008 * state can be changed.
1009 * Returns true if the state can be changed, false if not.
1011 static bool radeon_switcheroo_can_switch(struct pci_dev
*pdev
)
1013 struct drm_device
*dev
= pci_get_drvdata(pdev
);
1016 spin_lock(&dev
->count_lock
);
1017 can_switch
= (dev
->open_count
== 0);
1018 spin_unlock(&dev
->count_lock
);
1022 static const struct vga_switcheroo_client_ops radeon_switcheroo_ops
= {
1023 .set_gpu_state
= radeon_switcheroo_set_state
,
1025 .can_switch
= radeon_switcheroo_can_switch
,
1029 * radeon_device_init - initialize the driver
1031 * @rdev: radeon_device pointer
1032 * @pdev: drm dev pointer
1033 * @pdev: pci dev pointer
1034 * @flags: driver flags
1036 * Initializes the driver info and hw (all asics).
1037 * Returns 0 for success or an error on failure.
1038 * Called at driver startup.
1040 int radeon_device_init(struct radeon_device
*rdev
,
1041 struct drm_device
*ddev
,
1042 struct pci_dev
*pdev
,
1048 rdev
->shutdown
= false;
1049 rdev
->dev
= &pdev
->dev
;
1052 rdev
->flags
= flags
;
1053 rdev
->family
= flags
& RADEON_FAMILY_MASK
;
1054 rdev
->is_atom_bios
= false;
1055 rdev
->usec_timeout
= RADEON_MAX_USEC_TIMEOUT
;
1056 rdev
->mc
.gtt_size
= radeon_gart_size
* 1024 * 1024;
1057 rdev
->accel_working
= false;
1058 /* set up ring ids */
1059 for (i
= 0; i
< RADEON_NUM_RINGS
; i
++) {
1060 rdev
->ring
[i
].idx
= i
;
1063 DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X).\n",
1064 radeon_family_name
[rdev
->family
], pdev
->vendor
, pdev
->device
,
1065 pdev
->subsystem_vendor
, pdev
->subsystem_device
);
1067 /* mutex initialization are all done here so we
1068 * can recall function without having locking issues */
1069 mutex_init(&rdev
->ring_lock
);
1070 mutex_init(&rdev
->dc_hw_i2c_mutex
);
1071 atomic_set(&rdev
->ih
.lock
, 0);
1072 mutex_init(&rdev
->gem
.mutex
);
1073 mutex_init(&rdev
->pm
.mutex
);
1074 mutex_init(&rdev
->gpu_clock_mutex
);
1075 init_rwsem(&rdev
->pm
.mclk_lock
);
1076 init_rwsem(&rdev
->exclusive_lock
);
1077 init_waitqueue_head(&rdev
->irq
.vblank_queue
);
1078 r
= radeon_gem_init(rdev
);
1081 /* initialize vm here */
1082 mutex_init(&rdev
->vm_manager
.lock
);
1083 /* Adjust VM size here.
1084 * Currently set to 4GB ((1 << 20) 4k pages).
1085 * Max GPUVM size for cayman and SI is 40 bits.
1087 rdev
->vm_manager
.max_pfn
= 1 << 20;
1088 INIT_LIST_HEAD(&rdev
->vm_manager
.lru_vm
);
1090 /* Set asic functions */
1091 r
= radeon_asic_init(rdev
);
1094 radeon_check_arguments(rdev
);
1096 /* all of the newer IGP chips have an internal gart
1097 * However some rs4xx report as AGP, so remove that here.
1099 if ((rdev
->family
>= CHIP_RS400
) &&
1100 (rdev
->flags
& RADEON_IS_IGP
)) {
1101 rdev
->flags
&= ~RADEON_IS_AGP
;
1104 if (rdev
->flags
& RADEON_IS_AGP
&& radeon_agpmode
== -1) {
1105 radeon_agp_disable(rdev
);
1108 /* Set the internal MC address mask
1109 * This is the max address of the GPU's
1110 * internal address space.
1112 if (rdev
->family
>= CHIP_CAYMAN
)
1113 rdev
->mc
.mc_mask
= 0xffffffffffULL
; /* 40 bit MC */
1114 else if (rdev
->family
>= CHIP_CEDAR
)
1115 rdev
->mc
.mc_mask
= 0xfffffffffULL
; /* 36 bit MC */
1117 rdev
->mc
.mc_mask
= 0xffffffffULL
; /* 32 bit MC */
1119 /* set DMA mask + need_dma32 flags.
1120 * PCIE - can handle 40-bits.
1121 * IGP - can handle 40-bits
1122 * AGP - generally dma32 is safest
1123 * PCI - dma32 for legacy pci gart, 40 bits on newer asics
1125 rdev
->need_dma32
= false;
1126 if (rdev
->flags
& RADEON_IS_AGP
)
1127 rdev
->need_dma32
= true;
1128 if ((rdev
->flags
& RADEON_IS_PCI
) &&
1129 (rdev
->family
<= CHIP_RS740
))
1130 rdev
->need_dma32
= true;
1132 dma_bits
= rdev
->need_dma32
? 32 : 40;
1133 r
= pci_set_dma_mask(rdev
->pdev
, DMA_BIT_MASK(dma_bits
));
1135 rdev
->need_dma32
= true;
1137 printk(KERN_WARNING
"radeon: No suitable DMA available.\n");
1139 r
= pci_set_consistent_dma_mask(rdev
->pdev
, DMA_BIT_MASK(dma_bits
));
1141 pci_set_consistent_dma_mask(rdev
->pdev
, DMA_BIT_MASK(32));
1142 printk(KERN_WARNING
"radeon: No coherent DMA available.\n");
1145 /* Registers mapping */
1146 /* TODO: block userspace mapping of io register */
1147 spin_lock_init(&rdev
->mmio_idx_lock
);
1148 rdev
->rmmio_base
= pci_resource_start(rdev
->pdev
, 2);
1149 rdev
->rmmio_size
= pci_resource_len(rdev
->pdev
, 2);
1150 rdev
->rmmio
= ioremap(rdev
->rmmio_base
, rdev
->rmmio_size
);
1151 if (rdev
->rmmio
== NULL
) {
1154 DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)rdev
->rmmio_base
);
1155 DRM_INFO("register mmio size: %u\n", (unsigned)rdev
->rmmio_size
);
1157 /* io port mapping */
1158 for (i
= 0; i
< DEVICE_COUNT_RESOURCE
; i
++) {
1159 if (pci_resource_flags(rdev
->pdev
, i
) & IORESOURCE_IO
) {
1160 rdev
->rio_mem_size
= pci_resource_len(rdev
->pdev
, i
);
1161 rdev
->rio_mem
= pci_iomap(rdev
->pdev
, i
, rdev
->rio_mem_size
);
1165 if (rdev
->rio_mem
== NULL
)
1166 DRM_ERROR("Unable to find PCI I/O BAR\n");
1168 /* if we have > 1 VGA cards, then disable the radeon VGA resources */
1169 /* this will fail for cards that aren't VGA class devices, just
1171 vga_client_register(rdev
->pdev
, rdev
, NULL
, radeon_vga_set_decode
);
1172 vga_switcheroo_register_client(rdev
->pdev
, &radeon_switcheroo_ops
);
1174 r
= radeon_init(rdev
);
1178 r
= radeon_ib_ring_tests(rdev
);
1180 DRM_ERROR("ib ring test failed (%d).\n", r
);
1182 r
= radeon_gem_debugfs_init(rdev
);
1184 DRM_ERROR("registering gem debugfs failed (%d).\n", r
);
1187 if (rdev
->flags
& RADEON_IS_AGP
&& !rdev
->accel_working
) {
1188 /* Acceleration not working on AGP card try again
1189 * with fallback to PCI or PCIE GART
1191 radeon_asic_reset(rdev
);
1193 radeon_agp_disable(rdev
);
1194 r
= radeon_init(rdev
);
1198 if ((radeon_testing
& 1)) {
1199 radeon_test_moves(rdev
);
1201 if ((radeon_testing
& 2)) {
1202 radeon_test_syncing(rdev
);
1204 if (radeon_benchmarking
) {
1205 radeon_benchmark(rdev
, radeon_benchmarking
);
1210 static void radeon_debugfs_remove_files(struct radeon_device
*rdev
);
1213 * radeon_device_fini - tear down the driver
1215 * @rdev: radeon_device pointer
1217 * Tear down the driver info (all asics).
1218 * Called at driver shutdown.
1220 void radeon_device_fini(struct radeon_device
*rdev
)
1222 DRM_INFO("radeon: finishing device.\n");
1223 rdev
->shutdown
= true;
1224 /* evict vram memory */
1225 radeon_bo_evict_vram(rdev
);
1227 vga_switcheroo_unregister_client(rdev
->pdev
);
1228 vga_client_register(rdev
->pdev
, NULL
, NULL
, NULL
);
1230 pci_iounmap(rdev
->pdev
, rdev
->rio_mem
);
1231 rdev
->rio_mem
= NULL
;
1232 iounmap(rdev
->rmmio
);
1234 radeon_debugfs_remove_files(rdev
);
1242 * radeon_suspend_kms - initiate device suspend
1244 * @pdev: drm dev pointer
1245 * @state: suspend state
1247 * Puts the hw in the suspend state (all asics).
1248 * Returns 0 for success or an error on failure.
1249 * Called at driver suspend.
1251 int radeon_suspend_kms(struct drm_device
*dev
, pm_message_t state
)
1253 struct radeon_device
*rdev
;
1254 struct drm_crtc
*crtc
;
1255 struct drm_connector
*connector
;
1257 bool force_completion
= false;
1259 if (dev
== NULL
|| dev
->dev_private
== NULL
) {
1262 if (state
.event
== PM_EVENT_PRETHAW
) {
1265 rdev
= dev
->dev_private
;
1267 if (dev
->switch_power_state
== DRM_SWITCH_POWER_OFF
)
1270 drm_kms_helper_poll_disable(dev
);
1272 /* turn off display hw */
1273 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
1274 drm_helper_connector_dpms(connector
, DRM_MODE_DPMS_OFF
);
1277 /* unpin the front buffers */
1278 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
1279 struct radeon_framebuffer
*rfb
= to_radeon_framebuffer(crtc
->fb
);
1280 struct radeon_bo
*robj
;
1282 if (rfb
== NULL
|| rfb
->obj
== NULL
) {
1285 robj
= gem_to_radeon_bo(rfb
->obj
);
1286 /* don't unpin kernel fb objects */
1287 if (!radeon_fbdev_robj_is_fb(rdev
, robj
)) {
1288 r
= radeon_bo_reserve(robj
, false);
1290 radeon_bo_unpin(robj
);
1291 radeon_bo_unreserve(robj
);
1295 /* evict vram memory */
1296 radeon_bo_evict_vram(rdev
);
1298 mutex_lock(&rdev
->ring_lock
);
1299 /* wait for gpu to finish processing current batch */
1300 for (i
= 0; i
< RADEON_NUM_RINGS
; i
++) {
1301 r
= radeon_fence_wait_empty_locked(rdev
, i
);
1303 /* delay GPU reset to resume */
1304 force_completion
= true;
1307 if (force_completion
) {
1308 radeon_fence_driver_force_completion(rdev
);
1310 mutex_unlock(&rdev
->ring_lock
);
1312 radeon_save_bios_scratch_regs(rdev
);
1314 radeon_pm_suspend(rdev
);
1315 radeon_suspend(rdev
);
1316 radeon_hpd_fini(rdev
);
1317 /* evict remaining vram memory */
1318 radeon_bo_evict_vram(rdev
);
1320 radeon_agp_suspend(rdev
);
1322 pci_save_state(dev
->pdev
);
1323 if (state
.event
== PM_EVENT_SUSPEND
) {
1324 /* Shut down the device */
1325 pci_disable_device(dev
->pdev
);
1326 pci_set_power_state(dev
->pdev
, PCI_D3hot
);
1329 radeon_fbdev_set_suspend(rdev
, 1);
1335 * radeon_resume_kms - initiate device resume
1337 * @pdev: drm dev pointer
1339 * Bring the hw back to operating state (all asics).
1340 * Returns 0 for success or an error on failure.
1341 * Called at driver resume.
1343 int radeon_resume_kms(struct drm_device
*dev
)
1345 struct drm_connector
*connector
;
1346 struct radeon_device
*rdev
= dev
->dev_private
;
1349 if (dev
->switch_power_state
== DRM_SWITCH_POWER_OFF
)
1353 pci_set_power_state(dev
->pdev
, PCI_D0
);
1354 pci_restore_state(dev
->pdev
);
1355 if (pci_enable_device(dev
->pdev
)) {
1359 /* resume AGP if in use */
1360 radeon_agp_resume(rdev
);
1361 radeon_resume(rdev
);
1363 r
= radeon_ib_ring_tests(rdev
);
1365 DRM_ERROR("ib ring test failed (%d).\n", r
);
1367 radeon_pm_resume(rdev
);
1368 radeon_restore_bios_scratch_regs(rdev
);
1370 radeon_fbdev_set_suspend(rdev
, 0);
1373 /* init dig PHYs, disp eng pll */
1374 if (rdev
->is_atom_bios
) {
1375 radeon_atom_encoder_init(rdev
);
1376 radeon_atom_disp_eng_pll_init(rdev
);
1377 /* turn on the BL */
1378 if (rdev
->mode_info
.bl_encoder
) {
1379 u8 bl_level
= radeon_get_backlight_level(rdev
,
1380 rdev
->mode_info
.bl_encoder
);
1381 radeon_set_backlight_level(rdev
, rdev
->mode_info
.bl_encoder
,
1385 /* reset hpd state */
1386 radeon_hpd_init(rdev
);
1387 /* blat the mode back in */
1388 drm_helper_resume_force_mode(dev
);
1389 /* turn on display hw */
1390 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
1391 drm_helper_connector_dpms(connector
, DRM_MODE_DPMS_ON
);
1394 drm_kms_helper_poll_enable(dev
);
1399 * radeon_gpu_reset - reset the asic
1401 * @rdev: radeon device pointer
1403 * Attempt the reset the GPU if it has hung (all asics).
1404 * Returns 0 for success or an error on failure.
1406 int radeon_gpu_reset(struct radeon_device
*rdev
)
1408 unsigned ring_sizes
[RADEON_NUM_RINGS
];
1409 uint32_t *ring_data
[RADEON_NUM_RINGS
];
1416 down_write(&rdev
->exclusive_lock
);
1417 radeon_save_bios_scratch_regs(rdev
);
1419 resched
= ttm_bo_lock_delayed_workqueue(&rdev
->mman
.bdev
);
1420 radeon_suspend(rdev
);
1422 for (i
= 0; i
< RADEON_NUM_RINGS
; ++i
) {
1423 ring_sizes
[i
] = radeon_ring_backup(rdev
, &rdev
->ring
[i
],
1425 if (ring_sizes
[i
]) {
1427 dev_info(rdev
->dev
, "Saved %d dwords of commands "
1428 "on ring %d.\n", ring_sizes
[i
], i
);
1433 r
= radeon_asic_reset(rdev
);
1435 dev_info(rdev
->dev
, "GPU reset succeeded, trying to resume\n");
1436 radeon_resume(rdev
);
1439 radeon_restore_bios_scratch_regs(rdev
);
1442 for (i
= 0; i
< RADEON_NUM_RINGS
; ++i
) {
1443 radeon_ring_restore(rdev
, &rdev
->ring
[i
],
1444 ring_sizes
[i
], ring_data
[i
]);
1446 ring_data
[i
] = NULL
;
1449 r
= radeon_ib_ring_tests(rdev
);
1451 dev_err(rdev
->dev
, "ib ring test failed (%d).\n", r
);
1454 radeon_suspend(rdev
);
1459 radeon_fence_driver_force_completion(rdev
);
1460 for (i
= 0; i
< RADEON_NUM_RINGS
; ++i
) {
1461 kfree(ring_data
[i
]);
1465 drm_helper_resume_force_mode(rdev
->ddev
);
1467 ttm_bo_unlock_delayed_workqueue(&rdev
->mman
.bdev
, resched
);
1469 /* bad news, how to tell it to userspace ? */
1470 dev_info(rdev
->dev
, "GPU reset failed\n");
1473 up_write(&rdev
->exclusive_lock
);
1481 int radeon_debugfs_add_files(struct radeon_device
*rdev
,
1482 struct drm_info_list
*files
,
1487 for (i
= 0; i
< rdev
->debugfs_count
; i
++) {
1488 if (rdev
->debugfs
[i
].files
== files
) {
1489 /* Already registered */
1494 i
= rdev
->debugfs_count
+ 1;
1495 if (i
> RADEON_DEBUGFS_MAX_COMPONENTS
) {
1496 DRM_ERROR("Reached maximum number of debugfs components.\n");
1497 DRM_ERROR("Report so we increase "
1498 "RADEON_DEBUGFS_MAX_COMPONENTS.\n");
1501 rdev
->debugfs
[rdev
->debugfs_count
].files
= files
;
1502 rdev
->debugfs
[rdev
->debugfs_count
].num_files
= nfiles
;
1503 rdev
->debugfs_count
= i
;
1504 #if defined(CONFIG_DEBUG_FS)
1505 drm_debugfs_create_files(files
, nfiles
,
1506 rdev
->ddev
->control
->debugfs_root
,
1507 rdev
->ddev
->control
);
1508 drm_debugfs_create_files(files
, nfiles
,
1509 rdev
->ddev
->primary
->debugfs_root
,
1510 rdev
->ddev
->primary
);
1515 static void radeon_debugfs_remove_files(struct radeon_device
*rdev
)
1517 #if defined(CONFIG_DEBUG_FS)
1520 for (i
= 0; i
< rdev
->debugfs_count
; i
++) {
1521 drm_debugfs_remove_files(rdev
->debugfs
[i
].files
,
1522 rdev
->debugfs
[i
].num_files
,
1523 rdev
->ddev
->control
);
1524 drm_debugfs_remove_files(rdev
->debugfs
[i
].files
,
1525 rdev
->debugfs
[i
].num_files
,
1526 rdev
->ddev
->primary
);
1531 #if defined(CONFIG_DEBUG_FS)
1532 int radeon_debugfs_init(struct drm_minor
*minor
)
1537 void radeon_debugfs_cleanup(struct drm_minor
*minor
)