2 * Copyright (C) 2008 Maarten Maathuis.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #include <acpi/video.h>
29 #include <drm/drm_atomic.h>
30 #include <drm/drm_atomic_helper.h>
31 #include <drm/drm_crtc_helper.h>
32 #include <drm/drm_fb_helper.h>
33 #include <drm/drm_fourcc.h>
34 #include <drm/drm_probe_helper.h>
35 #include <drm/drm_vblank.h>
37 #include "nouveau_fbcon.h"
38 #include "nouveau_crtc.h"
39 #include "nouveau_gem.h"
40 #include "nouveau_connector.h"
41 #include "nv50_display.h"
43 #include <nvif/class.h>
44 #include <nvif/cl0046.h>
45 #include <nvif/event.h>
48 nouveau_display_vblank_handler(struct nvif_notify
*notify
)
50 struct nouveau_crtc
*nv_crtc
=
51 container_of(notify
, typeof(*nv_crtc
), vblank
);
52 drm_crtc_handle_vblank(&nv_crtc
->base
);
53 return NVIF_NOTIFY_KEEP
;
57 nouveau_display_vblank_enable(struct drm_crtc
*crtc
)
59 struct nouveau_crtc
*nv_crtc
;
61 nv_crtc
= nouveau_crtc(crtc
);
62 nvif_notify_get(&nv_crtc
->vblank
);
68 nouveau_display_vblank_disable(struct drm_crtc
*crtc
)
70 struct nouveau_crtc
*nv_crtc
;
72 nv_crtc
= nouveau_crtc(crtc
);
73 nvif_notify_put(&nv_crtc
->vblank
);
77 calc(int blanks
, int blanke
, int total
, int line
)
79 if (blanke
>= blanks
) {
91 nouveau_display_scanoutpos_head(struct drm_crtc
*crtc
, int *vpos
, int *hpos
,
92 ktime_t
*stime
, ktime_t
*etime
)
95 struct nv04_disp_mthd_v0 base
;
96 struct nv04_disp_scanoutpos_v0 scan
;
98 .base
.method
= NV04_DISP_SCANOUTPOS
,
99 .base
.head
= nouveau_crtc(crtc
)->index
,
101 struct nouveau_display
*disp
= nouveau_display(crtc
->dev
);
102 struct drm_vblank_crtc
*vblank
= &crtc
->dev
->vblank
[drm_crtc_index(crtc
)];
107 ret
= nvif_mthd(&disp
->disp
.object
, 0, &args
, sizeof(args
));
111 if (args
.scan
.vline
) {
116 if (retry
) ndelay(vblank
->linedur_ns
);
119 *hpos
= args
.scan
.hline
;
120 *vpos
= calc(args
.scan
.vblanks
, args
.scan
.vblanke
,
121 args
.scan
.vtotal
, args
.scan
.vline
);
122 if (stime
) *stime
= ns_to_ktime(args
.scan
.time
[0]);
123 if (etime
) *etime
= ns_to_ktime(args
.scan
.time
[1]);
129 nouveau_display_scanoutpos(struct drm_crtc
*crtc
,
130 bool in_vblank_irq
, int *vpos
, int *hpos
,
131 ktime_t
*stime
, ktime_t
*etime
,
132 const struct drm_display_mode
*mode
)
134 return nouveau_display_scanoutpos_head(crtc
, vpos
, hpos
,
139 nouveau_display_vblank_fini(struct drm_device
*dev
)
141 struct drm_crtc
*crtc
;
143 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
144 struct nouveau_crtc
*nv_crtc
= nouveau_crtc(crtc
);
145 nvif_notify_fini(&nv_crtc
->vblank
);
150 nouveau_display_vblank_init(struct drm_device
*dev
)
152 struct nouveau_display
*disp
= nouveau_display(dev
);
153 struct drm_crtc
*crtc
;
156 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
157 struct nouveau_crtc
*nv_crtc
= nouveau_crtc(crtc
);
158 ret
= nvif_notify_init(&disp
->disp
.object
,
159 nouveau_display_vblank_handler
, false,
160 NV04_DISP_NTFY_VBLANK
,
161 &(struct nvif_notify_head_req_v0
) {
162 .head
= nv_crtc
->index
,
164 sizeof(struct nvif_notify_head_req_v0
),
165 sizeof(struct nvif_notify_head_rep_v0
),
168 nouveau_display_vblank_fini(dev
);
173 ret
= drm_vblank_init(dev
, dev
->mode_config
.num_crtc
);
175 nouveau_display_vblank_fini(dev
);
183 nouveau_user_framebuffer_destroy(struct drm_framebuffer
*drm_fb
)
185 struct nouveau_framebuffer
*fb
= nouveau_framebuffer(drm_fb
);
188 drm_gem_object_put(&fb
->nvbo
->bo
.base
);
190 drm_framebuffer_cleanup(drm_fb
);
195 nouveau_user_framebuffer_create_handle(struct drm_framebuffer
*drm_fb
,
196 struct drm_file
*file_priv
,
197 unsigned int *handle
)
199 struct nouveau_framebuffer
*fb
= nouveau_framebuffer(drm_fb
);
201 return drm_gem_handle_create(file_priv
, &fb
->nvbo
->bo
.base
, handle
);
204 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs
= {
205 .destroy
= nouveau_user_framebuffer_destroy
,
206 .create_handle
= nouveau_user_framebuffer_create_handle
,
210 nouveau_framebuffer_new(struct drm_device
*dev
,
211 const struct drm_mode_fb_cmd2
*mode_cmd
,
212 struct nouveau_bo
*nvbo
,
213 struct nouveau_framebuffer
**pfb
)
215 struct nouveau_drm
*drm
= nouveau_drm(dev
);
216 struct nouveau_framebuffer
*fb
;
219 /* YUV overlays have special requirements pre-NV50 */
220 if (drm
->client
.device
.info
.family
< NV_DEVICE_INFO_V0_TESLA
&&
222 (mode_cmd
->pixel_format
== DRM_FORMAT_YUYV
||
223 mode_cmd
->pixel_format
== DRM_FORMAT_UYVY
||
224 mode_cmd
->pixel_format
== DRM_FORMAT_NV12
||
225 mode_cmd
->pixel_format
== DRM_FORMAT_NV21
) &&
226 (mode_cmd
->pitches
[0] & 0x3f || /* align 64 */
227 mode_cmd
->pitches
[0] >= 0x10000 || /* at most 64k pitch */
228 (mode_cmd
->pitches
[1] && /* pitches for planes must match */
229 mode_cmd
->pitches
[0] != mode_cmd
->pitches
[1]))) {
230 struct drm_format_name_buf format_name
;
231 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n",
232 drm_get_format_name(mode_cmd
->pixel_format
,
234 mode_cmd
->pitches
[0],
235 mode_cmd
->pitches
[1]);
239 if (!(fb
= *pfb
= kzalloc(sizeof(*fb
), GFP_KERNEL
)))
242 drm_helper_mode_fill_fb_struct(dev
, &fb
->base
, mode_cmd
);
245 ret
= drm_framebuffer_init(dev
, &fb
->base
, &nouveau_framebuffer_funcs
);
251 struct drm_framebuffer
*
252 nouveau_user_framebuffer_create(struct drm_device
*dev
,
253 struct drm_file
*file_priv
,
254 const struct drm_mode_fb_cmd2
*mode_cmd
)
256 struct nouveau_framebuffer
*fb
;
257 struct nouveau_bo
*nvbo
;
258 struct drm_gem_object
*gem
;
261 gem
= drm_gem_object_lookup(file_priv
, mode_cmd
->handles
[0]);
263 return ERR_PTR(-ENOENT
);
264 nvbo
= nouveau_gem_object(gem
);
266 ret
= nouveau_framebuffer_new(dev
, mode_cmd
, nvbo
, &fb
);
270 drm_gem_object_put(gem
);
274 static const struct drm_mode_config_funcs nouveau_mode_config_funcs
= {
275 .fb_create
= nouveau_user_framebuffer_create
,
276 .output_poll_changed
= nouveau_fbcon_output_poll_changed
,
280 struct nouveau_drm_prop_enum_list
{
286 static struct nouveau_drm_prop_enum_list underscan
[] = {
287 { 6, UNDERSCAN_AUTO
, "auto" },
288 { 6, UNDERSCAN_OFF
, "off" },
289 { 6, UNDERSCAN_ON
, "on" },
293 static struct nouveau_drm_prop_enum_list dither_mode
[] = {
294 { 7, DITHERING_MODE_AUTO
, "auto" },
295 { 7, DITHERING_MODE_OFF
, "off" },
296 { 1, DITHERING_MODE_ON
, "on" },
297 { 6, DITHERING_MODE_STATIC2X2
, "static 2x2" },
298 { 6, DITHERING_MODE_DYNAMIC2X2
, "dynamic 2x2" },
299 { 4, DITHERING_MODE_TEMPORAL
, "temporal" },
303 static struct nouveau_drm_prop_enum_list dither_depth
[] = {
304 { 6, DITHERING_DEPTH_AUTO
, "auto" },
305 { 6, DITHERING_DEPTH_6BPC
, "6 bpc" },
306 { 6, DITHERING_DEPTH_8BPC
, "8 bpc" },
310 #define PROP_ENUM(p,gen,n,list) do { \
311 struct nouveau_drm_prop_enum_list *l = (list); \
313 while (l->gen_mask) { \
314 if (l->gen_mask & (1 << (gen))) \
319 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
321 while (p && l->gen_mask) { \
322 if (l->gen_mask & (1 << (gen))) { \
323 drm_property_add_enum(p, l->type, l->name); \
331 nouveau_display_hpd_work(struct work_struct
*work
)
333 struct nouveau_drm
*drm
= container_of(work
, typeof(*drm
), hpd_work
);
335 pm_runtime_get_sync(drm
->dev
->dev
);
337 drm_helper_hpd_irq_event(drm
->dev
);
339 pm_runtime_mark_last_busy(drm
->dev
->dev
);
340 pm_runtime_put_sync(drm
->dev
->dev
);
346 nouveau_display_acpi_ntfy(struct notifier_block
*nb
, unsigned long val
,
349 struct nouveau_drm
*drm
= container_of(nb
, typeof(*drm
), acpi_nb
);
350 struct acpi_bus_event
*info
= data
;
353 if (!strcmp(info
->device_class
, ACPI_VIDEO_CLASS
)) {
354 if (info
->type
== ACPI_VIDEO_NOTIFY_PROBE
) {
355 ret
= pm_runtime_get(drm
->dev
->dev
);
356 if (ret
== 1 || ret
== -EACCES
) {
357 /* If the GPU is already awake, or in a state
358 * where we can't wake it up, it can handle
359 * it's own hotplug events.
361 pm_runtime_put_autosuspend(drm
->dev
->dev
);
362 } else if (ret
== 0) {
363 /* This may be the only indication we receive
364 * of a connector hotplug on a runtime
365 * suspended GPU, schedule hpd_work to check.
367 NV_DEBUG(drm
, "ACPI requested connector reprobe\n");
368 schedule_work(&drm
->hpd_work
);
369 pm_runtime_put_noidle(drm
->dev
->dev
);
371 NV_WARN(drm
, "Dropped ACPI reprobe event due to RPM error: %d\n",
375 /* acpi-video should not generate keypresses for this */
385 nouveau_display_init(struct drm_device
*dev
, bool resume
, bool runtime
)
387 struct nouveau_display
*disp
= nouveau_display(dev
);
388 struct drm_connector
*connector
;
389 struct drm_connector_list_iter conn_iter
;
393 * Enable hotplug interrupts (done as early as possible, since we need
396 drm_connector_list_iter_begin(dev
, &conn_iter
);
397 nouveau_for_each_non_mst_connector_iter(connector
, &conn_iter
) {
398 struct nouveau_connector
*conn
= nouveau_connector(connector
);
399 nvif_notify_get(&conn
->hpd
);
401 drm_connector_list_iter_end(&conn_iter
);
403 ret
= disp
->init(dev
, resume
, runtime
);
407 /* enable connector detection and polling for connectors without HPD
410 drm_kms_helper_poll_enable(dev
);
416 nouveau_display_fini(struct drm_device
*dev
, bool suspend
, bool runtime
)
418 struct nouveau_display
*disp
= nouveau_display(dev
);
419 struct nouveau_drm
*drm
= nouveau_drm(dev
);
420 struct drm_connector
*connector
;
421 struct drm_connector_list_iter conn_iter
;
424 if (drm_drv_uses_atomic_modeset(dev
))
425 drm_atomic_helper_shutdown(dev
);
427 drm_helper_force_disable_all(dev
);
430 /* disable hotplug interrupts */
431 drm_connector_list_iter_begin(dev
, &conn_iter
);
432 nouveau_for_each_non_mst_connector_iter(connector
, &conn_iter
) {
433 struct nouveau_connector
*conn
= nouveau_connector(connector
);
434 nvif_notify_put(&conn
->hpd
);
436 drm_connector_list_iter_end(&conn_iter
);
439 cancel_work_sync(&drm
->hpd_work
);
441 drm_kms_helper_poll_disable(dev
);
442 disp
->fini(dev
, suspend
);
446 nouveau_display_create_properties(struct drm_device
*dev
)
448 struct nouveau_display
*disp
= nouveau_display(dev
);
451 if (disp
->disp
.object
.oclass
< NV50_DISP
)
454 if (disp
->disp
.object
.oclass
< GF110_DISP
)
459 PROP_ENUM(disp
->dithering_mode
, gen
, "dithering mode", dither_mode
);
460 PROP_ENUM(disp
->dithering_depth
, gen
, "dithering depth", dither_depth
);
461 PROP_ENUM(disp
->underscan_property
, gen
, "underscan", underscan
);
463 disp
->underscan_hborder_property
=
464 drm_property_create_range(dev
, 0, "underscan hborder", 0, 128);
466 disp
->underscan_vborder_property
=
467 drm_property_create_range(dev
, 0, "underscan vborder", 0, 128);
473 disp
->vibrant_hue_property
=
474 drm_property_create_range(dev
, 0, "vibrant hue", 0, 180);
477 disp
->color_vibrance_property
=
478 drm_property_create_range(dev
, 0, "color vibrance", 0, 200);
482 nouveau_display_create(struct drm_device
*dev
)
484 struct nouveau_drm
*drm
= nouveau_drm(dev
);
485 struct nvkm_device
*device
= nvxx_device(&drm
->client
.device
);
486 struct nouveau_display
*disp
;
489 disp
= drm
->display
= kzalloc(sizeof(*disp
), GFP_KERNEL
);
493 drm_mode_config_init(dev
);
494 drm_mode_create_scaling_mode_property(dev
);
495 drm_mode_create_dvi_i_properties(dev
);
497 dev
->mode_config
.funcs
= &nouveau_mode_config_funcs
;
498 dev
->mode_config
.fb_base
= device
->func
->resource_addr(device
, 1);
500 dev
->mode_config
.min_width
= 0;
501 dev
->mode_config
.min_height
= 0;
502 if (drm
->client
.device
.info
.family
< NV_DEVICE_INFO_V0_CELSIUS
) {
503 dev
->mode_config
.max_width
= 2048;
504 dev
->mode_config
.max_height
= 2048;
506 if (drm
->client
.device
.info
.family
< NV_DEVICE_INFO_V0_TESLA
) {
507 dev
->mode_config
.max_width
= 4096;
508 dev
->mode_config
.max_height
= 4096;
510 if (drm
->client
.device
.info
.family
< NV_DEVICE_INFO_V0_FERMI
) {
511 dev
->mode_config
.max_width
= 8192;
512 dev
->mode_config
.max_height
= 8192;
514 dev
->mode_config
.max_width
= 16384;
515 dev
->mode_config
.max_height
= 16384;
518 dev
->mode_config
.preferred_depth
= 24;
519 dev
->mode_config
.prefer_shadow
= 1;
521 if (drm
->client
.device
.info
.chipset
< 0x11)
522 dev
->mode_config
.async_page_flip
= false;
524 dev
->mode_config
.async_page_flip
= true;
526 drm_kms_helper_poll_init(dev
);
527 drm_kms_helper_poll_disable(dev
);
529 if (nouveau_modeset
!= 2 && drm
->vbios
.dcb
.entries
) {
530 ret
= nvif_disp_ctor(&drm
->client
.device
, 0, &disp
->disp
);
532 nouveau_display_create_properties(dev
);
533 if (disp
->disp
.object
.oclass
< NV50_DISP
)
534 ret
= nv04_display_create(dev
);
536 ret
= nv50_display_create(dev
);
543 goto disp_create_err
;
545 drm_mode_config_reset(dev
);
547 if (dev
->mode_config
.num_crtc
) {
548 ret
= nouveau_display_vblank_init(dev
);
553 INIT_WORK(&drm
->hpd_work
, nouveau_display_hpd_work
);
555 drm
->acpi_nb
.notifier_call
= nouveau_display_acpi_ntfy
;
556 register_acpi_notifier(&drm
->acpi_nb
);
564 drm_kms_helper_poll_fini(dev
);
565 drm_mode_config_cleanup(dev
);
570 nouveau_display_destroy(struct drm_device
*dev
)
572 struct nouveau_display
*disp
= nouveau_display(dev
);
575 unregister_acpi_notifier(&nouveau_drm(dev
)->acpi_nb
);
577 nouveau_display_vblank_fini(dev
);
579 drm_kms_helper_poll_fini(dev
);
580 drm_mode_config_cleanup(dev
);
585 nvif_disp_dtor(&disp
->disp
);
587 nouveau_drm(dev
)->display
= NULL
;
592 nouveau_display_suspend(struct drm_device
*dev
, bool runtime
)
594 struct nouveau_display
*disp
= nouveau_display(dev
);
596 if (drm_drv_uses_atomic_modeset(dev
)) {
598 disp
->suspend
= drm_atomic_helper_suspend(dev
);
599 if (IS_ERR(disp
->suspend
)) {
600 int ret
= PTR_ERR(disp
->suspend
);
601 disp
->suspend
= NULL
;
607 nouveau_display_fini(dev
, true, runtime
);
612 nouveau_display_resume(struct drm_device
*dev
, bool runtime
)
614 struct nouveau_display
*disp
= nouveau_display(dev
);
616 nouveau_display_init(dev
, true, runtime
);
618 if (drm_drv_uses_atomic_modeset(dev
)) {
620 drm_atomic_helper_resume(dev
, disp
->suspend
);
621 disp
->suspend
= NULL
;
628 nouveau_display_dumb_create(struct drm_file
*file_priv
, struct drm_device
*dev
,
629 struct drm_mode_create_dumb
*args
)
631 struct nouveau_cli
*cli
= nouveau_cli(file_priv
);
632 struct nouveau_bo
*bo
;
636 args
->pitch
= roundup(args
->width
* (args
->bpp
/ 8), 256);
637 args
->size
= args
->pitch
* args
->height
;
638 args
->size
= roundup(args
->size
, PAGE_SIZE
);
640 /* Use VRAM if there is any ; otherwise fallback to system memory */
641 if (nouveau_drm(dev
)->client
.device
.info
.ram_size
!= 0)
642 domain
= NOUVEAU_GEM_DOMAIN_VRAM
;
644 domain
= NOUVEAU_GEM_DOMAIN_GART
;
646 ret
= nouveau_gem_new(cli
, args
->size
, 0, domain
, 0, 0, &bo
);
650 ret
= drm_gem_handle_create(file_priv
, &bo
->bo
.base
, &args
->handle
);
651 drm_gem_object_put(&bo
->bo
.base
);
656 nouveau_display_dumb_map_offset(struct drm_file
*file_priv
,
657 struct drm_device
*dev
,
658 uint32_t handle
, uint64_t *poffset
)
660 struct drm_gem_object
*gem
;
662 gem
= drm_gem_object_lookup(file_priv
, handle
);
664 struct nouveau_bo
*bo
= nouveau_gem_object(gem
);
665 *poffset
= drm_vma_node_offset_addr(&bo
->bo
.base
.vma_node
);
666 drm_gem_object_put(gem
);