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authorDave Airlie <airlied@redhat.com>2013-02-23 21:38:22 -0500
committerDave Airlie <airlied@redhat.com>2013-02-23 21:38:22 -0500
commita3b1097c037ae992510fe8f1e933072280ef19b0 (patch)
tree1411de86b91f4407f3368b47b2c68ea6f6345b01
parentc976cb37a95a8dcaf23d04d6487fbacc33d3c913 (diff)
parente450fcc6669705ef49784080ac6dd8513df37763 (diff)
Merge branch 'drm/tegra-for-3.9' of git://anongit.freedesktop.org/tegra/linux into drm-next
Thierry writes: "Add support for 2 hardware overlays found on Tegra. These support YUV pixel formats and can be used as video overlays. .mode_set_base() is implemented and support for VBLANK and page-flipping is added. A few minor bug fixes are also included and a new debugfs file allows to inspect the framebuffers attached to the Tegra DRM device." * 'drm/tegra-for-3.9' of git://anongit.freedesktop.org/tegra/linux: drm/tegra: Add list of framebuffers to debugfs drm/tegra: Fix color expansion drm/tegra: Split DC_CMD_STATE_CONTROL register write drm/tegra: Implement page-flipping support drm/tegra: Implement VBLANK support drm/tegra: Implement .mode_set_base() drm/tegra: Add plane support drm/tegra: Remove bogus tegra_framebuffer structure drm: Add consistency check for page-flipping
-rw-r--r--Documentation/DocBook/drm.tmpl6
-rw-r--r--drivers/gpu/drm/drm_crtc.c7
-rw-r--r--drivers/gpu/drm/tegra/dc.c585
-rw-r--r--drivers/gpu/drm/tegra/dc.h14
-rw-r--r--drivers/gpu/drm/tegra/drm.c103
-rw-r--r--drivers/gpu/drm/tegra/drm.h43
6 files changed, 635 insertions, 123 deletions
diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 51e1904ac4c7..a6428ddfcfc2 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -1161,6 +1161,12 @@ int max_width, max_height;</synopsis>
1161 any new rendering to the frame buffer until the page flip completes. 1161 any new rendering to the frame buffer until the page flip completes.
1162 </para> 1162 </para>
1163 <para> 1163 <para>
1164 If a page flip can be successfully scheduled the driver must set the
1165 <code>drm_crtc-&lt;fb</code> field to the new framebuffer pointed to
1166 by <code>fb</code>. This is important so that the reference counting
1167 on framebuffers stays balanced.
1168 </para>
1169 <para>
1164 If a page flip is already pending, the 1170 If a page flip is already pending, the
1165 <methodname>page_flip</methodname> operation must return 1171 <methodname>page_flip</methodname> operation must return
1166 -<errorname>EBUSY</errorname>. 1172 -<errorname>EBUSY</errorname>.
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 781aef524b3b..3bdf2a650d9c 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -3792,6 +3792,13 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
3792 /* Keep the old fb, don't unref it. */ 3792 /* Keep the old fb, don't unref it. */
3793 old_fb = NULL; 3793 old_fb = NULL;
3794 } else { 3794 } else {
3795 /*
3796 * Warn if the driver hasn't properly updated the crtc->fb
3797 * field to reflect that the new framebuffer is now used.
3798 * Failing to do so will screw with the reference counting
3799 * on framebuffers.
3800 */
3801 WARN_ON(crtc->fb != fb);
3795 /* Unref only the old framebuffer. */ 3802 /* Unref only the old framebuffer. */
3796 fb = NULL; 3803 fb = NULL;
3797 } 3804 }
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index 656b2e3334a6..bf8095c55bd1 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -18,26 +18,257 @@
18#include "drm.h" 18#include "drm.h"
19#include "dc.h" 19#include "dc.h"
20 20
21struct tegra_dc_window { 21struct tegra_plane {
22 fixed20_12 x; 22 struct drm_plane base;
23 fixed20_12 y; 23 unsigned int index;
24 fixed20_12 w;
25 fixed20_12 h;
26 unsigned int outx;
27 unsigned int outy;
28 unsigned int outw;
29 unsigned int outh;
30 unsigned int stride;
31 unsigned int fmt;
32}; 24};
33 25
26static inline struct tegra_plane *to_tegra_plane(struct drm_plane *plane)
27{
28 return container_of(plane, struct tegra_plane, base);
29}
30
31static int tegra_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
32 struct drm_framebuffer *fb, int crtc_x,
33 int crtc_y, unsigned int crtc_w,
34 unsigned int crtc_h, uint32_t src_x,
35 uint32_t src_y, uint32_t src_w, uint32_t src_h)
36{
37 struct tegra_plane *p = to_tegra_plane(plane);
38 struct tegra_dc *dc = to_tegra_dc(crtc);
39 struct tegra_dc_window window;
40 unsigned int i;
41
42 memset(&window, 0, sizeof(window));
43 window.src.x = src_x >> 16;
44 window.src.y = src_y >> 16;
45 window.src.w = src_w >> 16;
46 window.src.h = src_h >> 16;
47 window.dst.x = crtc_x;
48 window.dst.y = crtc_y;
49 window.dst.w = crtc_w;
50 window.dst.h = crtc_h;
51 window.format = tegra_dc_format(fb->pixel_format);
52 window.bits_per_pixel = fb->bits_per_pixel;
53
54 for (i = 0; i < drm_format_num_planes(fb->pixel_format); i++) {
55 struct drm_gem_cma_object *gem = drm_fb_cma_get_gem_obj(fb, i);
56
57 window.base[i] = gem->paddr + fb->offsets[i];
58
59 /*
60 * Tegra doesn't support different strides for U and V planes
61 * so we display a warning if the user tries to display a
62 * framebuffer with such a configuration.
63 */
64 if (i >= 2) {
65 if (fb->pitches[i] != window.stride[1])
66 DRM_ERROR("unsupported UV-plane configuration\n");
67 } else {
68 window.stride[i] = fb->pitches[i];
69 }
70 }
71
72 return tegra_dc_setup_window(dc, p->index, &window);
73}
74
75static int tegra_plane_disable(struct drm_plane *plane)
76{
77 struct tegra_dc *dc = to_tegra_dc(plane->crtc);
78 struct tegra_plane *p = to_tegra_plane(plane);
79 unsigned long value;
80
81 value = WINDOW_A_SELECT << p->index;
82 tegra_dc_writel(dc, value, DC_CMD_DISPLAY_WINDOW_HEADER);
83
84 value = tegra_dc_readl(dc, DC_WIN_WIN_OPTIONS);
85 value &= ~WIN_ENABLE;
86 tegra_dc_writel(dc, value, DC_WIN_WIN_OPTIONS);
87
88 tegra_dc_writel(dc, WIN_A_UPDATE << p->index, DC_CMD_STATE_CONTROL);
89 tegra_dc_writel(dc, WIN_A_ACT_REQ << p->index, DC_CMD_STATE_CONTROL);
90
91 return 0;
92}
93
94static void tegra_plane_destroy(struct drm_plane *plane)
95{
96 tegra_plane_disable(plane);
97 drm_plane_cleanup(plane);
98}
99
100static const struct drm_plane_funcs tegra_plane_funcs = {
101 .update_plane = tegra_plane_update,
102 .disable_plane = tegra_plane_disable,
103 .destroy = tegra_plane_destroy,
104};
105
106static const uint32_t plane_formats[] = {
107 DRM_FORMAT_XRGB8888,
108 DRM_FORMAT_UYVY,
109 DRM_FORMAT_YUV420,
110 DRM_FORMAT_YUV422,
111};
112
113static int tegra_dc_add_planes(struct drm_device *drm, struct tegra_dc *dc)
114{
115 unsigned int i;
116 int err = 0;
117
118 for (i = 0; i < 2; i++) {
119 struct tegra_plane *plane;
120
121 plane = devm_kzalloc(drm->dev, sizeof(*plane), GFP_KERNEL);
122 if (!plane)
123 return -ENOMEM;
124
125 plane->index = 1 + i;
126
127 err = drm_plane_init(drm, &plane->base, 1 << dc->pipe,
128 &tegra_plane_funcs, plane_formats,
129 ARRAY_SIZE(plane_formats), false);
130 if (err < 0)
131 return err;
132 }
133
134 return 0;
135}
136
137static int tegra_dc_set_base(struct tegra_dc *dc, int x, int y,
138 struct drm_framebuffer *fb)
139{
140 struct drm_gem_cma_object *gem = drm_fb_cma_get_gem_obj(fb, 0);
141 unsigned long value;
142
143 tegra_dc_writel(dc, WINDOW_A_SELECT, DC_CMD_DISPLAY_WINDOW_HEADER);
144
145 value = fb->offsets[0] + y * fb->pitches[0] +
146 x * fb->bits_per_pixel / 8;
147
148 tegra_dc_writel(dc, gem->paddr + value, DC_WINBUF_START_ADDR);
149 tegra_dc_writel(dc, fb->pitches[0], DC_WIN_LINE_STRIDE);
150
151 value = GENERAL_UPDATE | WIN_A_UPDATE;
152 tegra_dc_writel(dc, value, DC_CMD_STATE_CONTROL);
153
154 value = GENERAL_ACT_REQ | WIN_A_ACT_REQ;
155 tegra_dc_writel(dc, value, DC_CMD_STATE_CONTROL);
156
157 return 0;
158}
159
160void tegra_dc_enable_vblank(struct tegra_dc *dc)
161{
162 unsigned long value, flags;
163
164 spin_lock_irqsave(&dc->lock, flags);
165
166 value = tegra_dc_readl(dc, DC_CMD_INT_MASK);
167 value |= VBLANK_INT;
168 tegra_dc_writel(dc, value, DC_CMD_INT_MASK);
169
170 spin_unlock_irqrestore(&dc->lock, flags);
171}
172
173void tegra_dc_disable_vblank(struct tegra_dc *dc)
174{
175 unsigned long value, flags;
176
177 spin_lock_irqsave(&dc->lock, flags);
178
179 value = tegra_dc_readl(dc, DC_CMD_INT_MASK);
180 value &= ~VBLANK_INT;
181 tegra_dc_writel(dc, value, DC_CMD_INT_MASK);
182
183 spin_unlock_irqrestore(&dc->lock, flags);
184}
185
186static void tegra_dc_finish_page_flip(struct tegra_dc *dc)
187{
188 struct drm_device *drm = dc->base.dev;
189 struct drm_crtc *crtc = &dc->base;
190 struct drm_gem_cma_object *gem;
191 unsigned long flags, base;
192
193 if (!dc->event)
194 return;
195
196 gem = drm_fb_cma_get_gem_obj(crtc->fb, 0);
197
198 /* check if new start address has been latched */
199 tegra_dc_writel(dc, READ_MUX, DC_CMD_STATE_ACCESS);
200 base = tegra_dc_readl(dc, DC_WINBUF_START_ADDR);
201 tegra_dc_writel(dc, 0, DC_CMD_STATE_ACCESS);
202
203 if (base == gem->paddr + crtc->fb->offsets[0]) {
204 spin_lock_irqsave(&drm->event_lock, flags);
205 drm_send_vblank_event(drm, dc->pipe, dc->event);
206 drm_vblank_put(drm, dc->pipe);
207 dc->event = NULL;
208 spin_unlock_irqrestore(&drm->event_lock, flags);
209 }
210}
211
212void tegra_dc_cancel_page_flip(struct drm_crtc *crtc, struct drm_file *file)
213{
214 struct tegra_dc *dc = to_tegra_dc(crtc);
215 struct drm_device *drm = crtc->dev;
216 unsigned long flags;
217
218 spin_lock_irqsave(&drm->event_lock, flags);
219
220 if (dc->event && dc->event->base.file_priv == file) {
221 dc->event->base.destroy(&dc->event->base);
222 drm_vblank_put(drm, dc->pipe);
223 dc->event = NULL;
224 }
225
226 spin_unlock_irqrestore(&drm->event_lock, flags);
227}
228
229static int tegra_dc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
230 struct drm_pending_vblank_event *event)
231{
232 struct tegra_dc *dc = to_tegra_dc(crtc);
233 struct drm_device *drm = crtc->dev;
234
235 if (dc->event)
236 return -EBUSY;
237
238 if (event) {
239 event->pipe = dc->pipe;
240 dc->event = event;
241 drm_vblank_get(drm, dc->pipe);
242 }
243
244 tegra_dc_set_base(dc, 0, 0, fb);
245 crtc->fb = fb;
246
247 return 0;
248}
249
34static const struct drm_crtc_funcs tegra_crtc_funcs = { 250static const struct drm_crtc_funcs tegra_crtc_funcs = {
251 .page_flip = tegra_dc_page_flip,
35 .set_config = drm_crtc_helper_set_config, 252 .set_config = drm_crtc_helper_set_config,
36 .destroy = drm_crtc_cleanup, 253 .destroy = drm_crtc_cleanup,
37}; 254};
38 255
39static void tegra_crtc_dpms(struct drm_crtc *crtc, int mode) 256static void tegra_crtc_disable(struct drm_crtc *crtc)
40{ 257{
258 struct drm_device *drm = crtc->dev;
259 struct drm_plane *plane;
260
261 list_for_each_entry(plane, &drm->mode_config.plane_list, head) {
262 if (plane->crtc == crtc) {
263 tegra_plane_disable(plane);
264 plane->crtc = NULL;
265
266 if (plane->fb) {
267 drm_framebuffer_unreference(plane->fb);
268 plane->fb = NULL;
269 }
270 }
271 }
41} 272}
42 273
43static bool tegra_crtc_mode_fixup(struct drm_crtc *crtc, 274static bool tegra_crtc_mode_fixup(struct drm_crtc *crtc,
@@ -47,10 +278,11 @@ static bool tegra_crtc_mode_fixup(struct drm_crtc *crtc,
47 return true; 278 return true;
48} 279}
49 280
50static inline u32 compute_dda_inc(fixed20_12 inf, unsigned int out, bool v, 281static inline u32 compute_dda_inc(unsigned int in, unsigned int out, bool v,
51 unsigned int bpp) 282 unsigned int bpp)
52{ 283{
53 fixed20_12 outf = dfixed_init(out); 284 fixed20_12 outf = dfixed_init(out);
285 fixed20_12 inf = dfixed_init(in);
54 u32 dda_inc; 286 u32 dda_inc;
55 int max; 287 int max;
56 288
@@ -80,9 +312,10 @@ static inline u32 compute_dda_inc(fixed20_12 inf, unsigned int out, bool v,
80 return dda_inc; 312 return dda_inc;
81} 313}
82 314
83static inline u32 compute_initial_dda(fixed20_12 in) 315static inline u32 compute_initial_dda(unsigned int in)
84{ 316{
85 return dfixed_frac(in); 317 fixed20_12 inf = dfixed_init(in);
318 return dfixed_frac(inf);
86} 319}
87 320
88static int tegra_dc_set_timings(struct tegra_dc *dc, 321static int tegra_dc_set_timings(struct tegra_dc *dc,
@@ -153,18 +386,198 @@ static int tegra_crtc_setup_clk(struct drm_crtc *crtc,
153 return 0; 386 return 0;
154} 387}
155 388
389static bool tegra_dc_format_is_yuv(unsigned int format, bool *planar)
390{
391 switch (format) {
392 case WIN_COLOR_DEPTH_YCbCr422:
393 case WIN_COLOR_DEPTH_YUV422:
394 if (planar)
395 *planar = false;
396
397 return true;
398
399 case WIN_COLOR_DEPTH_YCbCr420P:
400 case WIN_COLOR_DEPTH_YUV420P:
401 case WIN_COLOR_DEPTH_YCbCr422P:
402 case WIN_COLOR_DEPTH_YUV422P:
403 case WIN_COLOR_DEPTH_YCbCr422R:
404 case WIN_COLOR_DEPTH_YUV422R:
405 case WIN_COLOR_DEPTH_YCbCr422RA:
406 case WIN_COLOR_DEPTH_YUV422RA:
407 if (planar)
408 *planar = true;
409
410 return true;
411 }
412
413 return false;
414}
415
416int tegra_dc_setup_window(struct tegra_dc *dc, unsigned int index,
417 const struct tegra_dc_window *window)
418{
419 unsigned h_offset, v_offset, h_size, v_size, h_dda, v_dda, bpp;
420 unsigned long value;
421 bool yuv, planar;
422
423 /*
424 * For YUV planar modes, the number of bytes per pixel takes into
425 * account only the luma component and therefore is 1.
426 */
427 yuv = tegra_dc_format_is_yuv(window->format, &planar);
428 if (!yuv)
429 bpp = window->bits_per_pixel / 8;
430 else
431 bpp = planar ? 1 : 2;
432
433 value = WINDOW_A_SELECT << index;
434 tegra_dc_writel(dc, value, DC_CMD_DISPLAY_WINDOW_HEADER);
435
436 tegra_dc_writel(dc, window->format, DC_WIN_COLOR_DEPTH);
437 tegra_dc_writel(dc, 0, DC_WIN_BYTE_SWAP);
438
439 value = V_POSITION(window->dst.y) | H_POSITION(window->dst.x);
440 tegra_dc_writel(dc, value, DC_WIN_POSITION);
441
442 value = V_SIZE(window->dst.h) | H_SIZE(window->dst.w);
443 tegra_dc_writel(dc, value, DC_WIN_SIZE);
444
445 h_offset = window->src.x * bpp;
446 v_offset = window->src.y;
447 h_size = window->src.w * bpp;
448 v_size = window->src.h;
449
450 value = V_PRESCALED_SIZE(v_size) | H_PRESCALED_SIZE(h_size);
451 tegra_dc_writel(dc, value, DC_WIN_PRESCALED_SIZE);
452
453 /*
454 * For DDA computations the number of bytes per pixel for YUV planar
455 * modes needs to take into account all Y, U and V components.
456 */
457 if (yuv && planar)
458 bpp = 2;
459
460 h_dda = compute_dda_inc(window->src.w, window->dst.w, false, bpp);
461 v_dda = compute_dda_inc(window->src.h, window->dst.h, true, bpp);
462
463 value = V_DDA_INC(v_dda) | H_DDA_INC(h_dda);
464 tegra_dc_writel(dc, value, DC_WIN_DDA_INC);
465
466 h_dda = compute_initial_dda(window->src.x);
467 v_dda = compute_initial_dda(window->src.y);
468
469 tegra_dc_writel(dc, h_dda, DC_WIN_H_INITIAL_DDA);
470 tegra_dc_writel(dc, v_dda, DC_WIN_V_INITIAL_DDA);
471
472 tegra_dc_writel(dc, 0, DC_WIN_UV_BUF_STRIDE);
473 tegra_dc_writel(dc, 0, DC_WIN_BUF_STRIDE);
474
475 tegra_dc_writel(dc, window->base[0], DC_WINBUF_START_ADDR);
476
477 if (yuv && planar) {
478 tegra_dc_writel(dc, window->base[1], DC_WINBUF_START_ADDR_U);
479 tegra_dc_writel(dc, window->base[2], DC_WINBUF_START_ADDR_V);
480 value = window->stride[1] << 16 | window->stride[0];
481 tegra_dc_writel(dc, value, DC_WIN_LINE_STRIDE);
482 } else {
483 tegra_dc_writel(dc, window->stride[0], DC_WIN_LINE_STRIDE);
484 }
485
486 tegra_dc_writel(dc, h_offset, DC_WINBUF_ADDR_H_OFFSET);
487 tegra_dc_writel(dc, v_offset, DC_WINBUF_ADDR_V_OFFSET);
488
489 value = WIN_ENABLE;
490
491 if (yuv) {
492 /* setup default colorspace conversion coefficients */
493 tegra_dc_writel(dc, 0x00f0, DC_WIN_CSC_YOF);
494 tegra_dc_writel(dc, 0x012a, DC_WIN_CSC_KYRGB);
495 tegra_dc_writel(dc, 0x0000, DC_WIN_CSC_KUR);
496 tegra_dc_writel(dc, 0x0198, DC_WIN_CSC_KVR);
497 tegra_dc_writel(dc, 0x039b, DC_WIN_CSC_KUG);
498 tegra_dc_writel(dc, 0x032f, DC_WIN_CSC_KVG);
499 tegra_dc_writel(dc, 0x0204, DC_WIN_CSC_KUB);
500 tegra_dc_writel(dc, 0x0000, DC_WIN_CSC_KVB);
501
502 value |= CSC_ENABLE;
503 } else if (window->bits_per_pixel < 24) {
504 value |= COLOR_EXPAND;
505 }
506
507 tegra_dc_writel(dc, value, DC_WIN_WIN_OPTIONS);
508
509 /*
510 * Disable blending and assume Window A is the bottom-most window,
511 * Window C is the top-most window and Window B is in the middle.
512 */
513 tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_NOKEY);
514 tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_1WIN);
515
516 switch (index) {
517 case 0:
518 tegra_dc_writel(dc, 0x000000, DC_WIN_BLEND_2WIN_X);
519 tegra_dc_writel(dc, 0x000000, DC_WIN_BLEND_2WIN_Y);
520 tegra_dc_writel(dc, 0x000000, DC_WIN_BLEND_3WIN_XY);
521 break;
522
523 case 1:
524 tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_2WIN_X);
525 tegra_dc_writel(dc, 0x000000, DC_WIN_BLEND_2WIN_Y);
526 tegra_dc_writel(dc, 0x000000, DC_WIN_BLEND_3WIN_XY);
527 break;
528
529 case 2:
530 tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_2WIN_X);
531 tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_2WIN_Y);
532 tegra_dc_writel(dc, 0xffff00, DC_WIN_BLEND_3WIN_XY);
533 break;
534 }
535
536 tegra_dc_writel(dc, WIN_A_UPDATE << index, DC_CMD_STATE_CONTROL);
537 tegra_dc_writel(dc, WIN_A_ACT_REQ << index, DC_CMD_STATE_CONTROL);
538
539 return 0;
540}
541
542unsigned int tegra_dc_format(uint32_t format)
543{
544 switch (format) {
545 case DRM_FORMAT_XRGB8888:
546 return WIN_COLOR_DEPTH_B8G8R8A8;
547
548 case DRM_FORMAT_RGB565:
549 return WIN_COLOR_DEPTH_B5G6R5;
550
551 case DRM_FORMAT_UYVY:
552 return WIN_COLOR_DEPTH_YCbCr422;
553
554 case DRM_FORMAT_YUV420:
555 return WIN_COLOR_DEPTH_YCbCr420P;
556
557 case DRM_FORMAT_YUV422:
558 return WIN_COLOR_DEPTH_YCbCr422P;
559
560 default:
561 break;
562 }
563
564 WARN(1, "unsupported pixel format %u, using default\n", format);
565 return WIN_COLOR_DEPTH_B8G8R8A8;
566}
567
156static int tegra_crtc_mode_set(struct drm_crtc *crtc, 568static int tegra_crtc_mode_set(struct drm_crtc *crtc,
157 struct drm_display_mode *mode, 569 struct drm_display_mode *mode,
158 struct drm_display_mode *adjusted, 570 struct drm_display_mode *adjusted,
159 int x, int y, struct drm_framebuffer *old_fb) 571 int x, int y, struct drm_framebuffer *old_fb)
160{ 572{
161 struct tegra_framebuffer *fb = to_tegra_fb(crtc->fb); 573 struct drm_gem_cma_object *gem = drm_fb_cma_get_gem_obj(crtc->fb, 0);
162 struct tegra_dc *dc = to_tegra_dc(crtc); 574 struct tegra_dc *dc = to_tegra_dc(crtc);
163 unsigned int h_dda, v_dda, bpp; 575 struct tegra_dc_window window;
164 struct tegra_dc_window win;
165 unsigned long div, value; 576 unsigned long div, value;
166 int err; 577 int err;
167 578
579 drm_vblank_pre_modeset(crtc->dev, dc->pipe);
580
168 err = tegra_crtc_setup_clk(crtc, mode, &div); 581 err = tegra_crtc_setup_clk(crtc, mode, &div);
169 if (err) { 582 if (err) {
170 dev_err(dc->dev, "failed to setup clock for CRTC: %d\n", err); 583 dev_err(dc->dev, "failed to setup clock for CRTC: %d\n", err);
@@ -192,83 +605,33 @@ static int tegra_crtc_mode_set(struct drm_crtc *crtc,
192 tegra_dc_writel(dc, value, DC_DISP_DISP_CLOCK_CONTROL); 605 tegra_dc_writel(dc, value, DC_DISP_DISP_CLOCK_CONTROL);
193 606
194 /* setup window parameters */ 607 /* setup window parameters */
195 memset(&win, 0, sizeof(win)); 608 memset(&window, 0, sizeof(window));
196 win.x.full = dfixed_const(0); 609 window.src.x = 0;
197 win.y.full = dfixed_const(0); 610 window.src.y = 0;
198 win.w.full = dfixed_const(mode->hdisplay); 611 window.src.w = mode->hdisplay;
199 win.h.full = dfixed_const(mode->vdisplay); 612 window.src.h = mode->vdisplay;
200 win.outx = 0; 613 window.dst.x = 0;
201 win.outy = 0; 614 window.dst.y = 0;
202 win.outw = mode->hdisplay; 615 window.dst.w = mode->hdisplay;
203 win.outh = mode->vdisplay; 616 window.dst.h = mode->vdisplay;
204 617 window.format = tegra_dc_format(crtc->fb->pixel_format);
205 switch (crtc->fb->pixel_format) { 618 window.bits_per_pixel = crtc->fb->bits_per_pixel;
206 case DRM_FORMAT_XRGB8888: 619 window.stride[0] = crtc->fb->pitches[0];
207 win.fmt = WIN_COLOR_DEPTH_B8G8R8A8; 620 window.base[0] = gem->paddr;
208 break; 621
209 622 err = tegra_dc_setup_window(dc, 0, &window);
210 case DRM_FORMAT_RGB565: 623 if (err < 0)
211 win.fmt = WIN_COLOR_DEPTH_B5G6R5; 624 dev_err(dc->dev, "failed to enable root plane\n");
212 break;
213
214 default:
215 win.fmt = WIN_COLOR_DEPTH_B8G8R8A8;
216 WARN_ON(1);
217 break;
218 }
219
220 bpp = crtc->fb->bits_per_pixel / 8;
221 win.stride = crtc->fb->pitches[0];
222
223 /* program window registers */
224 value = WINDOW_A_SELECT;
225 tegra_dc_writel(dc, value, DC_CMD_DISPLAY_WINDOW_HEADER);
226
227 tegra_dc_writel(dc, win.fmt, DC_WIN_COLOR_DEPTH);
228 tegra_dc_writel(dc, 0, DC_WIN_BYTE_SWAP);
229
230 value = V_POSITION(win.outy) | H_POSITION(win.outx);
231 tegra_dc_writel(dc, value, DC_WIN_POSITION);
232
233 value = V_SIZE(win.outh) | H_SIZE(win.outw);
234 tegra_dc_writel(dc, value, DC_WIN_SIZE);
235
236 value = V_PRESCALED_SIZE(dfixed_trunc(win.h)) |
237 H_PRESCALED_SIZE(dfixed_trunc(win.w) * bpp);
238 tegra_dc_writel(dc, value, DC_WIN_PRESCALED_SIZE);
239
240 h_dda = compute_dda_inc(win.w, win.outw, false, bpp);
241 v_dda = compute_dda_inc(win.h, win.outh, true, bpp);
242
243 value = V_DDA_INC(v_dda) | H_DDA_INC(h_dda);
244 tegra_dc_writel(dc, value, DC_WIN_DDA_INC);
245
246 h_dda = compute_initial_dda(win.x);
247 v_dda = compute_initial_dda(win.y);
248
249 tegra_dc_writel(dc, h_dda, DC_WIN_H_INITIAL_DDA);
250 tegra_dc_writel(dc, v_dda, DC_WIN_V_INITIAL_DDA);
251
252 tegra_dc_writel(dc, 0, DC_WIN_UV_BUF_STRIDE);
253 tegra_dc_writel(dc, 0, DC_WIN_BUF_STRIDE);
254
255 tegra_dc_writel(dc, fb->obj->paddr, DC_WINBUF_START_ADDR);
256 tegra_dc_writel(dc, win.stride, DC_WIN_LINE_STRIDE);
257 tegra_dc_writel(dc, dfixed_trunc(win.x) * bpp,
258 DC_WINBUF_ADDR_H_OFFSET);
259 tegra_dc_writel(dc, dfixed_trunc(win.y), DC_WINBUF_ADDR_V_OFFSET);
260
261 value = WIN_ENABLE;
262
263 if (bpp < 24)
264 value |= COLOR_EXPAND;
265 625
266 tegra_dc_writel(dc, value, DC_WIN_WIN_OPTIONS); 626 return 0;
627}
267 628
268 tegra_dc_writel(dc, 0xff00, DC_WIN_BLEND_NOKEY); 629static int tegra_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
269 tegra_dc_writel(dc, 0xff00, DC_WIN_BLEND_1WIN); 630 struct drm_framebuffer *old_fb)
631{
632 struct tegra_dc *dc = to_tegra_dc(crtc);
270 633
271 return 0; 634 return tegra_dc_set_base(dc, x, y, crtc->fb);
272} 635}
273 636
274static void tegra_crtc_prepare(struct drm_crtc *crtc) 637static void tegra_crtc_prepare(struct drm_crtc *crtc)
@@ -315,31 +678,24 @@ static void tegra_crtc_prepare(struct drm_crtc *crtc)
315 tegra_dc_writel(dc, value, DC_DISP_DISP_MEM_HIGH_PRIORITY_TIMER); 678 tegra_dc_writel(dc, value, DC_DISP_DISP_MEM_HIGH_PRIORITY_TIMER);
316 679
317 value = VBLANK_INT | WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT; 680 value = VBLANK_INT | WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT;
318 tegra_dc_writel(dc, value, DC_CMD_INT_MASK);
319
320 value = VBLANK_INT | WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT;
321 tegra_dc_writel(dc, value, DC_CMD_INT_ENABLE); 681 tegra_dc_writel(dc, value, DC_CMD_INT_ENABLE);
682
683 value = WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT;
684 tegra_dc_writel(dc, value, DC_CMD_INT_MASK);
322} 685}
323 686
324static void tegra_crtc_commit(struct drm_crtc *crtc) 687static void tegra_crtc_commit(struct drm_crtc *crtc)
325{ 688{
326 struct tegra_dc *dc = to_tegra_dc(crtc); 689 struct tegra_dc *dc = to_tegra_dc(crtc);
327 unsigned long update_mask;
328 unsigned long value; 690 unsigned long value;
329 691
330 update_mask = GENERAL_ACT_REQ | WIN_A_ACT_REQ; 692 value = GENERAL_UPDATE | WIN_A_UPDATE;
331 693 tegra_dc_writel(dc, value, DC_CMD_STATE_CONTROL);
332 tegra_dc_writel(dc, update_mask << 8, DC_CMD_STATE_CONTROL);
333 694
334 value = tegra_dc_readl(dc, DC_CMD_INT_ENABLE); 695 value = GENERAL_ACT_REQ | WIN_A_ACT_REQ;
335 value |= FRAME_END_INT; 696 tegra_dc_writel(dc, value, DC_CMD_STATE_CONTROL);
336 tegra_dc_writel(dc, value, DC_CMD_INT_ENABLE);
337
338 value = tegra_dc_readl(dc, DC_CMD_INT_MASK);
339 value |= FRAME_END_INT;
340 tegra_dc_writel(dc, value, DC_CMD_INT_MASK);
341 697
342 tegra_dc_writel(dc, update_mask, DC_CMD_STATE_CONTROL); 698 drm_vblank_post_modeset(crtc->dev, dc->pipe);
343} 699}
344 700
345static void tegra_crtc_load_lut(struct drm_crtc *crtc) 701static void tegra_crtc_load_lut(struct drm_crtc *crtc)
@@ -347,15 +703,16 @@ static void tegra_crtc_load_lut(struct drm_crtc *crtc)
347} 703}
348 704
349static const struct drm_crtc_helper_funcs tegra_crtc_helper_funcs = { 705static const struct drm_crtc_helper_funcs tegra_crtc_helper_funcs = {
350 .dpms = tegra_crtc_dpms, 706 .disable = tegra_crtc_disable,
351 .mode_fixup = tegra_crtc_mode_fixup, 707 .mode_fixup = tegra_crtc_mode_fixup,
352 .mode_set = tegra_crtc_mode_set, 708 .mode_set = tegra_crtc_mode_set,
709 .mode_set_base = tegra_crtc_mode_set_base,
353 .prepare = tegra_crtc_prepare, 710 .prepare = tegra_crtc_prepare,
354 .commit = tegra_crtc_commit, 711 .commit = tegra_crtc_commit,
355 .load_lut = tegra_crtc_load_lut, 712 .load_lut = tegra_crtc_load_lut,
356}; 713};
357 714
358static irqreturn_t tegra_drm_irq(int irq, void *data) 715static irqreturn_t tegra_dc_irq(int irq, void *data)
359{ 716{
360 struct tegra_dc *dc = data; 717 struct tegra_dc *dc = data;
361 unsigned long status; 718 unsigned long status;
@@ -374,6 +731,7 @@ static irqreturn_t tegra_drm_irq(int irq, void *data)
374 dev_dbg(dc->dev, "%s(): vertical blank\n", __func__); 731 dev_dbg(dc->dev, "%s(): vertical blank\n", __func__);
375 */ 732 */
376 drm_handle_vblank(dc->base.dev, dc->pipe); 733 drm_handle_vblank(dc->base.dev, dc->pipe);
734 tegra_dc_finish_page_flip(dc);
377 } 735 }
378 736
379 if (status & (WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT)) { 737 if (status & (WIN_A_UF_INT | WIN_B_UF_INT | WIN_C_UF_INT)) {
@@ -588,7 +946,7 @@ static int tegra_dc_show_regs(struct seq_file *s, void *data)
588 DUMP_REG(DC_WIN_BLEND_1WIN); 946 DUMP_REG(DC_WIN_BLEND_1WIN);
589 DUMP_REG(DC_WIN_BLEND_2WIN_X); 947 DUMP_REG(DC_WIN_BLEND_2WIN_X);
590 DUMP_REG(DC_WIN_BLEND_2WIN_Y); 948 DUMP_REG(DC_WIN_BLEND_2WIN_Y);
591 DUMP_REG(DC_WIN_BLEND32WIN_XY); 949 DUMP_REG(DC_WIN_BLEND_3WIN_XY);
592 DUMP_REG(DC_WIN_HP_FETCH_CONTROL); 950 DUMP_REG(DC_WIN_HP_FETCH_CONTROL);
593 DUMP_REG(DC_WINBUF_START_ADDR); 951 DUMP_REG(DC_WINBUF_START_ADDR);
594 DUMP_REG(DC_WINBUF_START_ADDR_NS); 952 DUMP_REG(DC_WINBUF_START_ADDR_NS);
@@ -690,13 +1048,17 @@ static int tegra_dc_drm_init(struct host1x_client *client,
690 return err; 1048 return err;
691 } 1049 }
692 1050
1051 err = tegra_dc_add_planes(drm, dc);
1052 if (err < 0)
1053 return err;
1054
693 if (IS_ENABLED(CONFIG_DEBUG_FS)) { 1055 if (IS_ENABLED(CONFIG_DEBUG_FS)) {
694 err = tegra_dc_debugfs_init(dc, drm->primary); 1056 err = tegra_dc_debugfs_init(dc, drm->primary);
695 if (err < 0) 1057 if (err < 0)
696 dev_err(dc->dev, "debugfs setup failed: %d\n", err); 1058 dev_err(dc->dev, "debugfs setup failed: %d\n", err);
697 } 1059 }
698 1060
699 err = devm_request_irq(dc->dev, dc->irq, tegra_drm_irq, 0, 1061 err = devm_request_irq(dc->dev, dc->irq, tegra_dc_irq, 0,
700 dev_name(dc->dev), dc); 1062 dev_name(dc->dev), dc);
701 if (err < 0) { 1063 if (err < 0) {
702 dev_err(dc->dev, "failed to request IRQ#%u: %d\n", dc->irq, 1064 dev_err(dc->dev, "failed to request IRQ#%u: %d\n", dc->irq,
@@ -745,6 +1107,7 @@ static int tegra_dc_probe(struct platform_device *pdev)
745 if (!dc) 1107 if (!dc)
746 return -ENOMEM; 1108 return -ENOMEM;
747 1109
1110 spin_lock_init(&dc->lock);
748 INIT_LIST_HEAD(&dc->list); 1111 INIT_LIST_HEAD(&dc->list);
749 dc->dev = &pdev->dev; 1112 dc->dev = &pdev->dev;
750 1113
diff --git a/drivers/gpu/drm/tegra/dc.h b/drivers/gpu/drm/tegra/dc.h
index 99977b5d5c36..79eaec9aac77 100644
--- a/drivers/gpu/drm/tegra/dc.h
+++ b/drivers/gpu/drm/tegra/dc.h
@@ -58,6 +58,8 @@
58#define DC_CMD_SIGNAL_RAISE3 0x03e 58#define DC_CMD_SIGNAL_RAISE3 0x03e
59 59
60#define DC_CMD_STATE_ACCESS 0x040 60#define DC_CMD_STATE_ACCESS 0x040
61#define READ_MUX (1 << 0)
62#define WRITE_MUX (1 << 2)
61 63
62#define DC_CMD_STATE_CONTROL 0x041 64#define DC_CMD_STATE_CONTROL 0x041
63#define GENERAL_ACT_REQ (1 << 0) 65#define GENERAL_ACT_REQ (1 << 0)
@@ -290,8 +292,18 @@
290#define DC_DISP_SD_HW_K_VALUES 0x4dd 292#define DC_DISP_SD_HW_K_VALUES 0x4dd
291#define DC_DISP_SD_MAN_K_VALUES 0x4de 293#define DC_DISP_SD_MAN_K_VALUES 0x4de
292 294
295#define DC_WIN_CSC_YOF 0x611
296#define DC_WIN_CSC_KYRGB 0x612
297#define DC_WIN_CSC_KUR 0x613
298#define DC_WIN_CSC_KVR 0x614
299#define DC_WIN_CSC_KUG 0x615
300#define DC_WIN_CSC_KVG 0x616
301#define DC_WIN_CSC_KUB 0x617
302#define DC_WIN_CSC_KVB 0x618
303
293#define DC_WIN_WIN_OPTIONS 0x700 304#define DC_WIN_WIN_OPTIONS 0x700
294#define COLOR_EXPAND (1 << 6) 305#define COLOR_EXPAND (1 << 6)
306#define CSC_ENABLE (1 << 18)
295#define WIN_ENABLE (1 << 30) 307#define WIN_ENABLE (1 << 30)
296 308
297#define DC_WIN_BYTE_SWAP 0x701 309#define DC_WIN_BYTE_SWAP 0x701
@@ -359,7 +371,7 @@
359#define DC_WIN_BLEND_1WIN 0x710 371#define DC_WIN_BLEND_1WIN 0x710
360#define DC_WIN_BLEND_2WIN_X 0x711 372#define DC_WIN_BLEND_2WIN_X 0x711
361#define DC_WIN_BLEND_2WIN_Y 0x712 373#define DC_WIN_BLEND_2WIN_Y 0x712
362#define DC_WIN_BLEND32WIN_XY 0x713 374#define DC_WIN_BLEND_3WIN_XY 0x713
363 375
364#define DC_WIN_HP_FETCH_CONTROL 0x714 376#define DC_WIN_HP_FETCH_CONTROL 0x714
365 377
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index 3a503c9e4686..181a370c56c1 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -40,6 +40,10 @@ static int tegra_drm_load(struct drm_device *drm, unsigned long flags)
40 if (err < 0) 40 if (err < 0)
41 return err; 41 return err;
42 42
43 err = drm_vblank_init(drm, drm->mode_config.num_crtc);
44 if (err < 0)
45 return err;
46
43 err = tegra_drm_fb_init(drm); 47 err = tegra_drm_fb_init(drm);
44 if (err < 0) 48 if (err < 0)
45 return err; 49 return err;
@@ -89,13 +93,112 @@ static const struct file_operations tegra_drm_fops = {
89 .llseek = noop_llseek, 93 .llseek = noop_llseek,
90}; 94};
91 95
96static struct drm_crtc *tegra_crtc_from_pipe(struct drm_device *drm, int pipe)
97{
98 struct drm_crtc *crtc;
99
100 list_for_each_entry(crtc, &drm->mode_config.crtc_list, head) {
101 struct tegra_dc *dc = to_tegra_dc(crtc);
102
103 if (dc->pipe == pipe)
104 return crtc;
105 }
106
107 return NULL;
108}
109
110static u32 tegra_drm_get_vblank_counter(struct drm_device *dev, int crtc)
111{
112 /* TODO: implement real hardware counter using syncpoints */
113 return drm_vblank_count(dev, crtc);
114}
115
116static int tegra_drm_enable_vblank(struct drm_device *drm, int pipe)
117{
118 struct drm_crtc *crtc = tegra_crtc_from_pipe(drm, pipe);
119 struct tegra_dc *dc = to_tegra_dc(crtc);
120
121 if (!crtc)
122 return -ENODEV;
123
124 tegra_dc_enable_vblank(dc);
125
126 return 0;
127}
128
129static void tegra_drm_disable_vblank(struct drm_device *drm, int pipe)
130{
131 struct drm_crtc *crtc = tegra_crtc_from_pipe(drm, pipe);
132 struct tegra_dc *dc = to_tegra_dc(crtc);
133
134 if (crtc)
135 tegra_dc_disable_vblank(dc);
136}
137
138static void tegra_drm_preclose(struct drm_device *drm, struct drm_file *file)
139{
140 struct drm_crtc *crtc;
141
142 list_for_each_entry(crtc, &drm->mode_config.crtc_list, head)
143 tegra_dc_cancel_page_flip(crtc, file);
144}
145
146#ifdef CONFIG_DEBUG_FS
147static int tegra_debugfs_framebuffers(struct seq_file *s, void *data)
148{
149 struct drm_info_node *node = (struct drm_info_node *)s->private;
150 struct drm_device *drm = node->minor->dev;
151 struct drm_framebuffer *fb;
152
153 mutex_lock(&drm->mode_config.fb_lock);
154
155 list_for_each_entry(fb, &drm->mode_config.fb_list, head) {
156 seq_printf(s, "%3d: user size: %d x %d, depth %d, %d bpp, refcount %d\n",
157 fb->base.id, fb->width, fb->height, fb->depth,
158 fb->bits_per_pixel,
159 atomic_read(&fb->refcount.refcount));
160 }
161
162 mutex_unlock(&drm->mode_config.fb_lock);
163
164 return 0;
165}
166
167static struct drm_info_list tegra_debugfs_list[] = {
168 { "framebuffers", tegra_debugfs_framebuffers, 0 },
169};
170
171static int tegra_debugfs_init(struct drm_minor *minor)
172{
173 return drm_debugfs_create_files(tegra_debugfs_list,
174 ARRAY_SIZE(tegra_debugfs_list),
175 minor->debugfs_root, minor);
176}
177
178static void tegra_debugfs_cleanup(struct drm_minor *minor)
179{
180 drm_debugfs_remove_files(tegra_debugfs_list,
181 ARRAY_SIZE(tegra_debugfs_list), minor);
182}
183#endif
184
92struct drm_driver tegra_drm_driver = { 185struct drm_driver tegra_drm_driver = {
93 .driver_features = DRIVER_BUS_PLATFORM | DRIVER_MODESET | DRIVER_GEM, 186 .driver_features = DRIVER_BUS_PLATFORM | DRIVER_MODESET | DRIVER_GEM,
94 .load = tegra_drm_load, 187 .load = tegra_drm_load,
95 .unload = tegra_drm_unload, 188 .unload = tegra_drm_unload,
96 .open = tegra_drm_open, 189 .open = tegra_drm_open,
190 .preclose = tegra_drm_preclose,
97 .lastclose = tegra_drm_lastclose, 191 .lastclose = tegra_drm_lastclose,
98 192
193 .get_vblank_counter = tegra_drm_get_vblank_counter,
194 .enable_vblank = tegra_drm_enable_vblank,
195 .disable_vblank = tegra_drm_disable_vblank,
196
197#if defined(CONFIG_DEBUG_FS)
198 .debugfs_init = tegra_debugfs_init,
199 .debugfs_cleanup = tegra_debugfs_cleanup,
200#endif
201
99 .gem_free_object = drm_gem_cma_free_object, 202 .gem_free_object = drm_gem_cma_free_object,
100 .gem_vm_ops = &drm_gem_cma_vm_ops, 203 .gem_vm_ops = &drm_gem_cma_vm_ops,
101 .dumb_create = drm_gem_cma_dumb_create, 204 .dumb_create = drm_gem_cma_dumb_create,
diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h
index 741b5dc2742c..6dd75a2600eb 100644
--- a/drivers/gpu/drm/tegra/drm.h
+++ b/drivers/gpu/drm/tegra/drm.h
@@ -18,16 +18,6 @@
18#include <drm/drm_fb_cma_helper.h> 18#include <drm/drm_fb_cma_helper.h>
19#include <drm/drm_fixed.h> 19#include <drm/drm_fixed.h>
20 20
21struct tegra_framebuffer {
22 struct drm_framebuffer base;
23 struct drm_gem_cma_object *obj;
24};
25
26static inline struct tegra_framebuffer *to_tegra_fb(struct drm_framebuffer *fb)
27{
28 return container_of(fb, struct tegra_framebuffer, base);
29}
30
31struct host1x { 21struct host1x {
32 struct drm_device *drm; 22 struct drm_device *drm;
33 struct device *dev; 23 struct device *dev;
@@ -44,7 +34,6 @@ struct host1x {
44 struct list_head clients; 34 struct list_head clients;
45 35
46 struct drm_fbdev_cma *fbdev; 36 struct drm_fbdev_cma *fbdev;
47 struct tegra_framebuffer fb;
48}; 37};
49 38
50struct host1x_client; 39struct host1x_client;
@@ -75,6 +64,7 @@ struct tegra_output;
75 64
76struct tegra_dc { 65struct tegra_dc {
77 struct host1x_client client; 66 struct host1x_client client;
67 spinlock_t lock;
78 68
79 struct host1x *host1x; 69 struct host1x *host1x;
80 struct device *dev; 70 struct device *dev;
@@ -94,6 +84,9 @@ struct tegra_dc {
94 struct drm_info_list *debugfs_files; 84 struct drm_info_list *debugfs_files;
95 struct drm_minor *minor; 85 struct drm_minor *minor;
96 struct dentry *debugfs; 86 struct dentry *debugfs;
87
88 /* page-flip handling */
89 struct drm_pending_vblank_event *event;
97}; 90};
98 91
99static inline struct tegra_dc *host1x_client_to_dc(struct host1x_client *client) 92static inline struct tegra_dc *host1x_client_to_dc(struct host1x_client *client)
@@ -118,6 +111,34 @@ static inline unsigned long tegra_dc_readl(struct tegra_dc *dc,
118 return readl(dc->regs + (reg << 2)); 111 return readl(dc->regs + (reg << 2));
119} 112}
120 113
114struct tegra_dc_window {
115 struct {
116 unsigned int x;
117 unsigned int y;
118 unsigned int w;
119 unsigned int h;
120 } src;
121 struct {
122 unsigned int x;
123 unsigned int y;
124 unsigned int w;
125 unsigned int h;
126 } dst;
127 unsigned int bits_per_pixel;
128 unsigned int format;
129 unsigned int stride[2];
130 unsigned long base[3];
131};
132
133/* from dc.c */
134extern unsigned int tegra_dc_format(uint32_t format);
135extern int tegra_dc_setup_window(struct tegra_dc *dc, unsigned int index,
136 const struct tegra_dc_window *window);
137extern void tegra_dc_enable_vblank(struct tegra_dc *dc);
138extern void tegra_dc_disable_vblank(struct tegra_dc *dc);
139extern void tegra_dc_cancel_page_flip(struct drm_crtc *crtc,
140 struct drm_file *file);
141
121struct tegra_output_ops { 142struct tegra_output_ops {
122 int (*enable)(struct tegra_output *output); 143 int (*enable)(struct tegra_output *output);
123 int (*disable)(struct tegra_output *output); 144 int (*disable)(struct tegra_output *output);