2 * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
3 * VA Linux Systems Inc., Fremont, California.
4 * Copyright 2008 Red Hat Inc.
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.
25 * Kevin E. Martin, Rickard E. Faith, Alan Hourihane
27 * Kernel port Author: Dave Airlie
36 #include <drm_dp_helper.h>
37 #include <drm_fixed.h>
38 #include <drm_crtc_helper.h>
39 #include <linux/i2c.h>
40 #include <linux/i2c-algo-bit.h>
45 #define to_radeon_crtc(x) container_of(x, struct radeon_crtc, base)
46 #define to_radeon_connector(x) container_of(x, struct radeon_connector, base)
47 #define to_radeon_encoder(x) container_of(x, struct radeon_encoder, base)
48 #define to_radeon_framebuffer(x) container_of(x, struct radeon_framebuffer, base)
50 enum radeon_rmx_type {
69 enum radeon_underscan_type {
82 RADEON_HPD_NONE = 0xff,
85 #define RADEON_MAX_I2C_BUS 16
87 /* radeon gpio-based i2c
88 * 1. "mask" reg and bits
89 * grabs the gpio pins for software use
94 * 3. "en" reg and bits
95 * sets the pin direction
101 struct radeon_i2c_bus_rec {
103 /* id used by atom */
105 /* id used by atom */
106 enum radeon_hpd_id hpd;
107 /* can be used with hw i2c engine */
109 /* uses multi-media i2c engine */
112 uint32_t mask_clk_reg;
113 uint32_t mask_data_reg;
117 uint32_t en_data_reg;
120 uint32_t mask_clk_mask;
121 uint32_t mask_data_mask;
123 uint32_t a_data_mask;
124 uint32_t en_clk_mask;
125 uint32_t en_data_mask;
127 uint32_t y_data_mask;
130 struct radeon_tmds_pll {
135 #define RADEON_MAX_BIOS_CONNECTOR 16
138 #define RADEON_PLL_USE_BIOS_DIVS (1 << 0)
139 #define RADEON_PLL_NO_ODD_POST_DIV (1 << 1)
140 #define RADEON_PLL_USE_REF_DIV (1 << 2)
141 #define RADEON_PLL_LEGACY (1 << 3)
142 #define RADEON_PLL_PREFER_LOW_REF_DIV (1 << 4)
143 #define RADEON_PLL_PREFER_HIGH_REF_DIV (1 << 5)
144 #define RADEON_PLL_PREFER_LOW_FB_DIV (1 << 6)
145 #define RADEON_PLL_PREFER_HIGH_FB_DIV (1 << 7)
146 #define RADEON_PLL_PREFER_LOW_POST_DIV (1 << 8)
147 #define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
148 #define RADEON_PLL_USE_FRAC_FB_DIV (1 << 10)
149 #define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
150 #define RADEON_PLL_USE_POST_DIV (1 << 12)
151 #define RADEON_PLL_IS_LCD (1 << 13)
152 #define RADEON_PLL_PREFER_MINM_OVER_MAXP (1 << 14)
155 /* reference frequency */
156 uint32_t reference_freq;
159 uint32_t reference_div;
162 /* pll in/out limits */
165 uint32_t pll_out_min;
166 uint32_t pll_out_max;
167 uint32_t lcd_pll_out_min;
168 uint32_t lcd_pll_out_max;
172 uint32_t min_ref_div;
173 uint32_t max_ref_div;
174 uint32_t min_post_div;
175 uint32_t max_post_div;
176 uint32_t min_feedback_div;
177 uint32_t max_feedback_div;
178 uint32_t min_frac_feedback_div;
179 uint32_t max_frac_feedback_div;
181 /* flags for the current clock */
188 struct radeon_i2c_chan {
189 struct i2c_adapter adapter;
190 struct drm_device *dev;
192 struct i2c_algo_bit_data bit;
193 struct i2c_algo_dp_aux_data dp;
195 struct radeon_i2c_bus_rec rec;
198 /* mostly for macs, but really any system without connector tables */
199 enum radeon_connector_table {
203 CT_POWERBOOK_EXTERNAL,
204 CT_POWERBOOK_INTERNAL,
216 enum radeon_dvo_chip {
226 bool last_buffer_filled_status;
230 struct radeon_mode_info {
231 struct atom_context *atom_context;
232 struct card_info *atom_card_info;
233 enum radeon_connector_table connector_table;
234 bool mode_config_initialized;
235 struct radeon_crtc *crtcs[6];
236 struct radeon_afmt *afmt[6];
237 /* DVI-I properties */
238 struct drm_property *coherent_mode_property;
239 /* DAC enable load detect */
240 struct drm_property *load_detect_property;
242 struct drm_property *tv_std_property;
243 /* legacy TMDS PLL detect */
244 struct drm_property *tmds_pll_property;
246 struct drm_property *underscan_property;
247 struct drm_property *underscan_hborder_property;
248 struct drm_property *underscan_vborder_property;
249 /* hardcoded DFP edid from BIOS */
250 struct edid *bios_hardcoded_edid;
251 int bios_hardcoded_edid_size;
253 /* pointer to fbdev info structure */
254 struct radeon_fbdev *rfbdev;
259 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
261 #define RADEON_MAX_BL_LEVEL 0xFF
263 struct radeon_backlight_privdata {
264 struct radeon_encoder *encoder;
270 #define MAX_H_CODE_TIMING_LEN 32
271 #define MAX_V_CODE_TIMING_LEN 32
273 /* need to store these as reading
274 back code tables is excessive */
275 struct radeon_tv_regs {
277 uint32_t timing_cntl;
281 uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
282 uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
285 struct radeon_atom_ss {
298 struct drm_crtc base;
300 u16 lut_r[256], lut_g[256], lut_b[256];
304 uint32_t crtc_offset;
305 struct drm_gem_object *cursor_bo;
306 uint64_t cursor_addr;
309 uint32_t legacy_display_base_addr;
310 uint32_t legacy_cursor_offset;
311 enum radeon_rmx_type rmx_type;
316 struct drm_display_mode native_mode;
319 struct radeon_unpin_work *unpin_work;
320 int deferred_flip_completion;
322 struct radeon_atom_ss ss;
326 u32 pll_reference_div;
329 struct drm_encoder *encoder;
332 struct radeon_encoder_primary_dac {
333 /* legacy primary dac */
334 uint32_t ps2_pdac_adj;
337 struct radeon_encoder_lvds {
339 uint16_t panel_vcc_delay;
340 uint8_t panel_pwr_delay;
341 uint8_t panel_digon_delay;
342 uint8_t panel_blon_delay;
343 uint16_t panel_ref_divider;
344 uint8_t panel_post_divider;
345 uint16_t panel_fb_divider;
346 bool use_bios_dividers;
347 uint32_t lvds_gen_cntl;
349 struct drm_display_mode native_mode;
350 struct backlight_device *bl_dev;
352 uint8_t backlight_level;
355 struct radeon_encoder_tv_dac {
357 uint32_t ps2_tvdac_adj;
358 uint32_t ntsc_tvdac_adj;
359 uint32_t pal_tvdac_adj;
364 int supported_tv_stds;
366 enum radeon_tv_std tv_std;
367 struct radeon_tv_regs tv;
370 struct radeon_encoder_int_tmds {
371 /* legacy int tmds */
372 struct radeon_tmds_pll tmds_pll[4];
375 struct radeon_encoder_ext_tmds {
377 struct radeon_i2c_chan *i2c_bus;
379 enum radeon_dvo_chip dvo_chip;
382 /* spread spectrum */
383 struct radeon_encoder_atom_dig {
387 int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB, etc. */
390 uint16_t panel_pwr_delay;
393 struct drm_display_mode native_mode;
394 struct backlight_device *bl_dev;
396 uint8_t backlight_level;
398 struct radeon_afmt *afmt;
401 struct radeon_encoder_atom_dac {
402 enum radeon_tv_std tv_std;
405 struct radeon_encoder {
406 struct drm_encoder base;
407 uint32_t encoder_enum;
410 uint32_t active_device;
412 uint32_t pixel_clock;
413 enum radeon_rmx_type rmx_type;
414 enum radeon_underscan_type underscan_type;
415 uint32_t underscan_hborder;
416 uint32_t underscan_vborder;
417 struct drm_display_mode native_mode;
419 int audio_polling_active;
424 struct radeon_connector_atom_dig {
425 uint32_t igp_lane_info;
427 struct radeon_i2c_chan *dp_i2c_bus;
435 struct radeon_gpio_rec {
443 enum radeon_hpd_id hpd;
445 struct radeon_gpio_rec gpio;
448 struct radeon_router {
450 struct radeon_i2c_bus_rec i2c_info;
455 u8 ddc_mux_control_pin;
460 u8 cd_mux_control_pin;
464 struct radeon_connector {
465 struct drm_connector base;
466 uint32_t connector_id;
468 struct radeon_i2c_chan *ddc_bus;
469 /* some systems have an hdmi and vga port with a shared ddc line */
472 /* we need to mind the EDID between detect
473 and get modes due to analog/digital/tvencoder */
476 bool dac_load_detect;
477 bool detected_by_load; /* if the connection status was determined by load */
478 uint16_t connector_object_id;
479 struct radeon_hpd hpd;
480 struct radeon_router router;
481 struct radeon_i2c_chan *router_bus;
484 struct radeon_framebuffer {
485 struct drm_framebuffer base;
486 struct drm_gem_object *obj;
489 #define ENCODER_MODE_IS_DP(em) (((em) == ATOM_ENCODER_MODE_DP) || \
490 ((em) == ATOM_ENCODER_MODE_DP_MST))
492 extern enum radeon_tv_std
493 radeon_combios_get_tv_info(struct radeon_device *rdev);
494 extern enum radeon_tv_std
495 radeon_atombios_get_tv_info(struct radeon_device *rdev);
497 extern struct drm_connector *
498 radeon_get_connector_for_encoder(struct drm_encoder *encoder);
499 extern struct drm_connector *
500 radeon_get_connector_for_encoder_init(struct drm_encoder *encoder);
501 extern bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
504 extern u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder);
505 extern u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector);
506 extern bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector);
507 extern bool radeon_connector_is_dp12_capable(struct drm_connector *connector);
508 extern int radeon_get_monitor_bpc(struct drm_connector *connector);
510 extern void radeon_connector_hotplug(struct drm_connector *connector);
511 extern int radeon_dp_mode_valid_helper(struct drm_connector *connector,
512 struct drm_display_mode *mode);
513 extern void radeon_dp_set_link_config(struct drm_connector *connector,
514 const struct drm_display_mode *mode);
515 extern void radeon_dp_link_train(struct drm_encoder *encoder,
516 struct drm_connector *connector);
517 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
518 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
519 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
520 extern int radeon_dp_get_panel_mode(struct drm_encoder *encoder,
521 struct drm_connector *connector);
522 extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mode);
523 extern void radeon_atom_encoder_init(struct radeon_device *rdev);
524 extern void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev);
525 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
526 int action, uint8_t lane_num,
528 extern void radeon_atom_ext_encoder_setup_ddc(struct drm_encoder *encoder);
529 extern struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder);
530 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
531 u8 write_byte, u8 *read_byte);
533 extern void radeon_i2c_init(struct radeon_device *rdev);
534 extern void radeon_i2c_fini(struct radeon_device *rdev);
535 extern void radeon_combios_i2c_init(struct radeon_device *rdev);
536 extern void radeon_atombios_i2c_init(struct radeon_device *rdev);
537 extern void radeon_i2c_add(struct radeon_device *rdev,
538 struct radeon_i2c_bus_rec *rec,
540 extern struct radeon_i2c_chan *radeon_i2c_lookup(struct radeon_device *rdev,
541 struct radeon_i2c_bus_rec *i2c_bus);
542 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
543 struct radeon_i2c_bus_rec *rec,
545 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
546 struct radeon_i2c_bus_rec *rec,
548 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
549 extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
553 extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
557 extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector);
558 extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector);
559 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
560 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
562 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
564 extern bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev,
565 struct radeon_atom_ss *ss,
567 extern bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
568 struct radeon_atom_ss *ss,
571 extern void radeon_compute_pll_legacy(struct radeon_pll *pll,
573 uint32_t *dot_clock_p,
575 uint32_t *frac_fb_div_p,
577 uint32_t *post_div_p);
579 extern void radeon_compute_pll_avivo(struct radeon_pll *pll,
587 extern void radeon_setup_encoder_clones(struct drm_device *dev);
589 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
590 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
591 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
592 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
593 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
594 extern void atombios_dvo_setup(struct drm_encoder *encoder, int action);
595 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
596 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
597 extern bool atombios_set_edp_panel_power(struct drm_connector *connector, int action);
598 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
600 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
601 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
602 struct drm_framebuffer *old_fb);
603 extern int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
604 struct drm_framebuffer *fb,
606 enum mode_set_atomic state);
607 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
608 struct drm_display_mode *mode,
609 struct drm_display_mode *adjusted_mode,
611 struct drm_framebuffer *old_fb);
612 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
614 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
615 struct drm_framebuffer *old_fb);
616 extern int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
617 struct drm_framebuffer *fb,
619 enum mode_set_atomic state);
620 extern int radeon_crtc_do_set_base(struct drm_crtc *crtc,
621 struct drm_framebuffer *fb,
622 int x, int y, int atomic);
623 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
624 struct drm_file *file_priv,
628 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
631 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
632 int *vpos, int *hpos);
634 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
636 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev);
637 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
638 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
639 extern struct radeon_encoder_atom_dig *
640 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
641 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
642 struct radeon_encoder_int_tmds *tmds);
643 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
644 struct radeon_encoder_int_tmds *tmds);
645 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
646 struct radeon_encoder_int_tmds *tmds);
647 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
648 struct radeon_encoder_ext_tmds *tmds);
649 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
650 struct radeon_encoder_ext_tmds *tmds);
651 extern struct radeon_encoder_primary_dac *
652 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
653 extern struct radeon_encoder_tv_dac *
654 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
655 extern struct radeon_encoder_lvds *
656 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
657 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
658 extern struct radeon_encoder_tv_dac *
659 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
660 extern struct radeon_encoder_primary_dac *
661 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
662 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
663 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
664 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
665 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
666 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
667 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
668 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
669 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
671 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
673 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
675 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
677 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
678 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
679 u16 blue, int regno);
680 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
681 u16 *blue, int regno);
682 int radeon_framebuffer_init(struct drm_device *dev,
683 struct radeon_framebuffer *rfb,
684 struct drm_mode_fb_cmd2 *mode_cmd,
685 struct drm_gem_object *obj);
687 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
688 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
689 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
690 void radeon_atombios_init_crtc(struct drm_device *dev,
691 struct radeon_crtc *radeon_crtc);
692 void radeon_legacy_init_crtc(struct drm_device *dev,
693 struct radeon_crtc *radeon_crtc);
695 void radeon_get_clock_info(struct drm_device *dev);
697 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
698 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
700 void radeon_enc_destroy(struct drm_encoder *encoder);
701 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
702 void radeon_combios_asic_init(struct drm_device *dev);
703 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
704 const struct drm_display_mode *mode,
705 struct drm_display_mode *adjusted_mode);
706 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
707 struct drm_display_mode *adjusted_mode);
708 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
711 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
712 uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
713 uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
714 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
715 uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
716 uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
717 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
718 uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
719 uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
720 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
721 struct drm_display_mode *mode,
722 struct drm_display_mode *adjusted_mode);
725 int radeon_fbdev_init(struct radeon_device *rdev);
726 void radeon_fbdev_fini(struct radeon_device *rdev);
727 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
728 int radeon_fbdev_total_size(struct radeon_device *rdev);
729 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
731 void radeon_fb_output_poll_changed(struct radeon_device *rdev);
733 void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id);
735 int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled);