1 /*
2  * Copyright 2018 Red Hat Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  */
22 #include <drm/drm_connector.h>
23 #include <drm/drm_mode_config.h>
24 #include <drm/drm_vblank.h>
25 #include "nouveau_drv.h"
26 #include "nouveau_bios.h"
27 #include "nouveau_connector.h"
28 #include "head.h"
29 #include "core.h"
30 #include "crc.h"
31 
32 #include <nvif/push507c.h>
33 
34 #include <nvhw/class/cl907d.h>
35 
36 int
37 head907d_or(struct nv50_head *head, struct nv50_head_atom *asyh)
38 {
39 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
40 	const int i = head->base.index;
41 	int ret;
42 
43 	if ((ret = PUSH_WAIT(push, 3)))
44 		return ret;
45 
46 	PUSH_MTHD(push, NV907D, HEAD_SET_CONTROL_OUTPUT_RESOURCE(i),
47 		  NVVAL(NV907D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, CRC_MODE, asyh->or.crc_raster) |
48 		  NVVAL(NV907D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, HSYNC_POLARITY, asyh->or.nhsync) |
49 		  NVVAL(NV907D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, VSYNC_POLARITY, asyh->or.nvsync) |
50 		  NVVAL(NV907D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, PIXEL_DEPTH, asyh->or.depth),
51 
52 				HEAD_SET_CONTROL(i), 0x31ec6000 | head->base.index << 25 |
53 		  NVVAL(NV907D, HEAD_SET_CONTROL, STRUCTURE, asyh->mode.interlace));
54 	return 0;
55 }
56 
57 int
58 head907d_procamp(struct nv50_head *head, struct nv50_head_atom *asyh)
59 {
60 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
61 	const int i = head->base.index;
62 	int ret;
63 
64 	if ((ret = PUSH_WAIT(push, 2)))
65 		return ret;
66 
67 	PUSH_MTHD(push, NV907D, HEAD_SET_PROCAMP(i),
68 		  NVDEF(NV907D, HEAD_SET_PROCAMP, COLOR_SPACE, RGB) |
69 		  NVDEF(NV907D, HEAD_SET_PROCAMP, CHROMA_LPF, AUTO) |
70 		  NVVAL(NV907D, HEAD_SET_PROCAMP, SAT_COS, asyh->procamp.sat.cos) |
71 		  NVVAL(NV907D, HEAD_SET_PROCAMP, SAT_SINE, asyh->procamp.sat.sin) |
72 		  NVDEF(NV907D, HEAD_SET_PROCAMP, DYNAMIC_RANGE, VESA) |
73 		  NVDEF(NV907D, HEAD_SET_PROCAMP, RANGE_COMPRESSION, DISABLE));
74 	return 0;
75 }
76 
77 static int
78 head907d_dither(struct nv50_head *head, struct nv50_head_atom *asyh)
79 {
80 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
81 	const int i = head->base.index;
82 	int ret;
83 
84 	if ((ret = PUSH_WAIT(push, 2)))
85 		return ret;
86 
87 	PUSH_MTHD(push, NV907D, HEAD_SET_DITHER_CONTROL(i),
88 		  NVVAL(NV907D, HEAD_SET_DITHER_CONTROL, ENABLE, asyh->dither.enable) |
89 		  NVVAL(NV907D, HEAD_SET_DITHER_CONTROL, BITS, asyh->dither.bits) |
90 		  NVVAL(NV907D, HEAD_SET_DITHER_CONTROL, MODE, asyh->dither.mode) |
91 		  NVVAL(NV907D, HEAD_SET_DITHER_CONTROL, PHASE, 0));
92 	return 0;
93 }
94 
95 int
96 head907d_ovly(struct nv50_head *head, struct nv50_head_atom *asyh)
97 {
98 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
99 	const int i = head->base.index;
100 	u32 bounds = 0;
101 	int ret;
102 
103 	if (asyh->ovly.cpp) {
104 		switch (asyh->ovly.cpp) {
105 		case 8: bounds |= NVDEF(NV907D, HEAD_SET_OVERLAY_USAGE_BOUNDS, PIXEL_DEPTH, BPP_64); break;
106 		case 4: bounds |= NVDEF(NV907D, HEAD_SET_OVERLAY_USAGE_BOUNDS, PIXEL_DEPTH, BPP_32); break;
107 		case 2: bounds |= NVDEF(NV907D, HEAD_SET_OVERLAY_USAGE_BOUNDS, PIXEL_DEPTH, BPP_16); break;
108 		default:
109 			WARN_ON(1);
110 			break;
111 		}
112 		bounds |= NVDEF(NV907D, HEAD_SET_OVERLAY_USAGE_BOUNDS, USABLE, TRUE);
113 	} else {
114 		bounds |= NVDEF(NV907D, HEAD_SET_OVERLAY_USAGE_BOUNDS, PIXEL_DEPTH, BPP_16);
115 	}
116 
117 	if ((ret = PUSH_WAIT(push, 2)))
118 		return ret;
119 
120 	PUSH_MTHD(push, NV907D, HEAD_SET_OVERLAY_USAGE_BOUNDS(i), bounds);
121 	return 0;
122 }
123 
124 static int
125 head907d_base(struct nv50_head *head, struct nv50_head_atom *asyh)
126 {
127 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
128 	const int i = head->base.index;
129 	u32 bounds = 0;
130 	int ret;
131 
132 	if (asyh->base.cpp) {
133 		switch (asyh->base.cpp) {
134 		case 8: bounds |= NVDEF(NV907D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_64); break;
135 		case 4: bounds |= NVDEF(NV907D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_32); break;
136 		case 2: bounds |= NVDEF(NV907D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_16); break;
137 		case 1: bounds |= NVDEF(NV907D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_8); break;
138 		default:
139 			WARN_ON(1);
140 			break;
141 		}
142 		bounds |= NVDEF(NV907D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, USABLE, TRUE);
143 	}
144 
145 	if ((ret = PUSH_WAIT(push, 2)))
146 		return ret;
147 
148 	PUSH_MTHD(push, NV907D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS(i), bounds);
149 	return 0;
150 }
151 
152 int
153 head907d_curs_clr(struct nv50_head *head)
154 {
155 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
156 	const int i = head->base.index;
157 	int ret;
158 
159 	if ((ret = PUSH_WAIT(push, 4)))
160 		return ret;
161 
162 	PUSH_MTHD(push, NV907D, HEAD_SET_CONTROL_CURSOR(i),
163 		  NVDEF(NV907D, HEAD_SET_CONTROL_CURSOR, ENABLE, DISABLE) |
164 		  NVDEF(NV907D, HEAD_SET_CONTROL_CURSOR, FORMAT, A8R8G8B8) |
165 		  NVDEF(NV907D, HEAD_SET_CONTROL_CURSOR, SIZE, W64_H64));
166 
167 	PUSH_MTHD(push, NV907D, HEAD_SET_CONTEXT_DMA_CURSOR(i), 0x00000000);
168 	return 0;
169 }
170 
171 int
172 head907d_curs_set(struct nv50_head *head, struct nv50_head_atom *asyh)
173 {
174 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
175 	const int i = head->base.index;
176 	int ret;
177 
178 	if ((ret = PUSH_WAIT(push, 5)))
179 		return ret;
180 
181 	PUSH_MTHD(push, NV907D, HEAD_SET_CONTROL_CURSOR(i),
182 		  NVDEF(NV907D, HEAD_SET_CONTROL_CURSOR, ENABLE, ENABLE) |
183 		  NVVAL(NV907D, HEAD_SET_CONTROL_CURSOR, FORMAT, asyh->curs.format) |
184 		  NVVAL(NV907D, HEAD_SET_CONTROL_CURSOR, SIZE, asyh->curs.layout) |
185 		  NVVAL(NV907D, HEAD_SET_CONTROL_CURSOR, HOT_SPOT_X, 0) |
186 		  NVVAL(NV907D, HEAD_SET_CONTROL_CURSOR, HOT_SPOT_Y, 0) |
187 		  NVDEF(NV907D, HEAD_SET_CONTROL_CURSOR, COMPOSITION, ALPHA_BLEND),
188 
189 				HEAD_SET_OFFSET_CURSOR(i), asyh->curs.offset >> 8);
190 
191 	PUSH_MTHD(push, NV907D, HEAD_SET_CONTEXT_DMA_CURSOR(i), asyh->curs.handle);
192 	return 0;
193 }
194 
195 int
196 head907d_core_clr(struct nv50_head *head)
197 {
198 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
199 	const int i = head->base.index;
200 	int ret;
201 
202 	if ((ret = PUSH_WAIT(push, 2)))
203 		return ret;
204 
205 	PUSH_MTHD(push, NV907D, HEAD_SET_CONTEXT_DMAS_ISO(i), 0x00000000);
206 	return 0;
207 }
208 
209 int
210 head907d_core_set(struct nv50_head *head, struct nv50_head_atom *asyh)
211 {
212 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
213 	const int i = head->base.index;
214 	int ret;
215 
216 	if ((ret = PUSH_WAIT(push, 9)))
217 		return ret;
218 
219 	PUSH_MTHD(push, NV907D, HEAD_SET_OFFSET(i),
220 		  NVVAL(NV907D, HEAD_SET_OFFSET, ORIGIN, asyh->core.offset >> 8));
221 
222 	PUSH_MTHD(push, NV907D, HEAD_SET_SIZE(i),
223 		  NVVAL(NV907D, HEAD_SET_SIZE, WIDTH, asyh->core.w) |
224 		  NVVAL(NV907D, HEAD_SET_SIZE, HEIGHT, asyh->core.h),
225 
226 				HEAD_SET_STORAGE(i),
227 		  NVVAL(NV907D, HEAD_SET_STORAGE, BLOCK_HEIGHT, asyh->core.blockh) |
228 		  NVVAL(NV907D, HEAD_SET_STORAGE, PITCH, asyh->core.pitch >> 8) |
229 		  NVVAL(NV907D, HEAD_SET_STORAGE, PITCH, asyh->core.blocks) |
230 		  NVVAL(NV907D, HEAD_SET_STORAGE, MEMORY_LAYOUT, asyh->core.layout),
231 
232 				HEAD_SET_PARAMS(i),
233 		  NVVAL(NV907D, HEAD_SET_PARAMS, FORMAT, asyh->core.format) |
234 		  NVDEF(NV907D, HEAD_SET_PARAMS, SUPER_SAMPLE, X1_AA) |
235 		  NVDEF(NV907D, HEAD_SET_PARAMS, GAMMA, LINEAR),
236 
237 				HEAD_SET_CONTEXT_DMAS_ISO(i),
238 		  NVVAL(NV907D, HEAD_SET_CONTEXT_DMAS_ISO, HANDLE, asyh->core.handle));
239 
240 	PUSH_MTHD(push, NV907D, HEAD_SET_VIEWPORT_POINT_IN(i),
241 		  NVVAL(NV907D, HEAD_SET_VIEWPORT_POINT_IN, X, asyh->core.x) |
242 		  NVVAL(NV907D, HEAD_SET_VIEWPORT_POINT_IN, Y, asyh->core.y));
243 	return 0;
244 }
245 
246 int
247 head907d_olut_clr(struct nv50_head *head)
248 {
249 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
250 	const int i = head->base.index;
251 	int ret;
252 
253 	if ((ret = PUSH_WAIT(push, 4)))
254 		return ret;
255 
256 	PUSH_MTHD(push, NV907D, HEAD_SET_OUTPUT_LUT_LO(i),
257 		  NVDEF(NV907D, HEAD_SET_OUTPUT_LUT_LO, ENABLE, DISABLE));
258 
259 	PUSH_MTHD(push, NV907D, HEAD_SET_CONTEXT_DMA_LUT(i), 0x00000000);
260 	return 0;
261 }
262 
263 int
264 head907d_olut_set(struct nv50_head *head, struct nv50_head_atom *asyh)
265 {
266 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
267 	const int i = head->base.index;
268 	int ret;
269 
270 	if ((ret = PUSH_WAIT(push, 5)))
271 		return ret;
272 
273 	PUSH_MTHD(push, NV907D, HEAD_SET_OUTPUT_LUT_LO(i),
274 		  NVDEF(NV907D, HEAD_SET_OUTPUT_LUT_LO, ENABLE, ENABLE) |
275 		  NVVAL(NV907D, HEAD_SET_OUTPUT_LUT_LO, MODE, asyh->olut.mode) |
276 		  NVDEF(NV907D, HEAD_SET_OUTPUT_LUT_LO, NEVER_YIELD_TO_BASE, DISABLE),
277 
278 				HEAD_SET_OUTPUT_LUT_HI(i),
279 		  NVVAL(NV907D, HEAD_SET_OUTPUT_LUT_HI, ORIGIN, asyh->olut.offset >> 8));
280 
281 	PUSH_MTHD(push, NV907D, HEAD_SET_CONTEXT_DMA_LUT(i), asyh->olut.handle);
282 	return 0;
283 }
284 
285 void
286 head907d_olut_load(struct drm_color_lut *in, int size, void __iomem *mem)
287 {
288 	for (; size--; in++, mem += 8) {
289 		writew(drm_color_lut_extract(in->  red, 14) + 0x6000, mem + 0);
290 		writew(drm_color_lut_extract(in->green, 14) + 0x6000, mem + 2);
291 		writew(drm_color_lut_extract(in-> blue, 14) + 0x6000, mem + 4);
292 	}
293 
294 	/* INTERPOLATE modes require a "next" entry to interpolate with,
295 	 * so we replicate the last entry to deal with this for now.
296 	 */
297 	writew(readw(mem - 8), mem + 0);
298 	writew(readw(mem - 6), mem + 2);
299 	writew(readw(mem - 4), mem + 4);
300 }
301 
302 bool
303 head907d_olut(struct nv50_head *head, struct nv50_head_atom *asyh, int size)
304 {
305 	if (size != 256 && size != 1024)
306 		return false;
307 
308 	if (size == 1024)
309 		asyh->olut.mode = NV907D_HEAD_SET_OUTPUT_LUT_LO_MODE_INTERPOLATE_1025_UNITY_RANGE;
310 	else
311 		asyh->olut.mode = NV907D_HEAD_SET_OUTPUT_LUT_LO_MODE_INTERPOLATE_257_UNITY_RANGE;
312 
313 	asyh->olut.load = head907d_olut_load;
314 	return true;
315 }
316 
317 int
318 head907d_mode(struct nv50_head *head, struct nv50_head_atom *asyh)
319 {
320 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
321 	struct nv50_head_mode *m = &asyh->mode;
322 	const int i = head->base.index;
323 	int ret;
324 
325 	if ((ret = PUSH_WAIT(push, 14)))
326 		return ret;
327 
328 	PUSH_MTHD(push, NV907D, HEAD_SET_OVERSCAN_COLOR(i),
329 		  NVVAL(NV907D, HEAD_SET_OVERSCAN_COLOR, RED, 0) |
330 		  NVVAL(NV907D, HEAD_SET_OVERSCAN_COLOR, GRN, 0) |
331 		  NVVAL(NV907D, HEAD_SET_OVERSCAN_COLOR, BLU, 0),
332 
333 				HEAD_SET_RASTER_SIZE(i),
334 		  NVVAL(NV907D, HEAD_SET_RASTER_SIZE, WIDTH, m->h.active) |
335 		  NVVAL(NV907D, HEAD_SET_RASTER_SIZE, HEIGHT, m->v.active),
336 
337 				HEAD_SET_RASTER_SYNC_END(i),
338 		  NVVAL(NV907D, HEAD_SET_RASTER_SYNC_END, X, m->h.synce) |
339 		  NVVAL(NV907D, HEAD_SET_RASTER_SYNC_END, Y, m->v.synce),
340 
341 				HEAD_SET_RASTER_BLANK_END(i),
342 		  NVVAL(NV907D, HEAD_SET_RASTER_BLANK_END, X, m->h.blanke) |
343 		  NVVAL(NV907D, HEAD_SET_RASTER_BLANK_END, Y, m->v.blanke),
344 
345 				HEAD_SET_RASTER_BLANK_START(i),
346 		  NVVAL(NV907D, HEAD_SET_RASTER_BLANK_START, X, m->h.blanks) |
347 		  NVVAL(NV907D, HEAD_SET_RASTER_BLANK_START, Y, m->v.blanks),
348 
349 				HEAD_SET_RASTER_VERT_BLANK2(i),
350 		  NVVAL(NV907D, HEAD_SET_RASTER_VERT_BLANK2, YSTART, m->v.blank2s) |
351 		  NVVAL(NV907D, HEAD_SET_RASTER_VERT_BLANK2, YEND, m->v.blank2e));
352 
353 	PUSH_MTHD(push, NV907D, HEAD_SET_DEFAULT_BASE_COLOR(i),
354 		  NVVAL(NV907D, HEAD_SET_DEFAULT_BASE_COLOR, RED, 0) |
355 		  NVVAL(NV907D, HEAD_SET_DEFAULT_BASE_COLOR, GREEN, 0) |
356 		  NVVAL(NV907D, HEAD_SET_DEFAULT_BASE_COLOR, BLUE, 0),
357 
358 				HEAD_SET_CRC_CONTROL(i),
359 		  NVDEF(NV907D, HEAD_SET_CRC_CONTROL, CONTROLLING_CHANNEL, CORE) |
360 		  NVDEF(NV907D, HEAD_SET_CRC_CONTROL, EXPECT_BUFFER_COLLAPSE, FALSE) |
361 		  NVDEF(NV907D, HEAD_SET_CRC_CONTROL, TIMESTAMP_MODE, FALSE) |
362 		  NVDEF(NV907D, HEAD_SET_CRC_CONTROL, PRIMARY_OUTPUT, NONE) |
363 		  NVDEF(NV907D, HEAD_SET_CRC_CONTROL, SECONDARY_OUTPUT, NONE));
364 
365 	PUSH_MTHD(push, NV907D, HEAD_SET_PIXEL_CLOCK_FREQUENCY(i),
366 		  NVVAL(NV907D, HEAD_SET_PIXEL_CLOCK_FREQUENCY, HERTZ, m->clock * 1000) |
367 		  NVDEF(NV907D, HEAD_SET_PIXEL_CLOCK_FREQUENCY, ADJ1000DIV1001, FALSE),
368 
369 				HEAD_SET_PIXEL_CLOCK_CONFIGURATION(i),
370 		  NVDEF(NV907D, HEAD_SET_PIXEL_CLOCK_CONFIGURATION, MODE, CLK_CUSTOM) |
371 		  NVDEF(NV907D, HEAD_SET_PIXEL_CLOCK_CONFIGURATION, NOT_DRIVER, FALSE) |
372 		  NVDEF(NV907D, HEAD_SET_PIXEL_CLOCK_CONFIGURATION, ENABLE_HOPPING, FALSE),
373 
374 				HEAD_SET_PIXEL_CLOCK_FREQUENCY_MAX(i),
375 		  NVVAL(NV907D, HEAD_SET_PIXEL_CLOCK_FREQUENCY_MAX, HERTZ, m->clock * 1000) |
376 		  NVDEF(NV907D, HEAD_SET_PIXEL_CLOCK_FREQUENCY_MAX, ADJ1000DIV1001, FALSE));
377 	return 0;
378 }
379 
380 int
381 head907d_view(struct nv50_head *head, struct nv50_head_atom *asyh)
382 {
383 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
384 	const int i = head->base.index;
385 	int ret;
386 
387 	if ((ret = PUSH_WAIT(push, 8)))
388 		return ret;
389 
390 	PUSH_MTHD(push, NV907D, HEAD_SET_CONTROL_OUTPUT_SCALER(i),
391 		  NVDEF(NV907D, HEAD_SET_CONTROL_OUTPUT_SCALER, VERTICAL_TAPS, TAPS_1) |
392 		  NVDEF(NV907D, HEAD_SET_CONTROL_OUTPUT_SCALER, HORIZONTAL_TAPS, TAPS_1) |
393 		  NVVAL(NV907D, HEAD_SET_CONTROL_OUTPUT_SCALER, HRESPONSE_BIAS, 0) |
394 		  NVVAL(NV907D, HEAD_SET_CONTROL_OUTPUT_SCALER, VRESPONSE_BIAS, 0));
395 
396 	PUSH_MTHD(push, NV907D, HEAD_SET_VIEWPORT_SIZE_IN(i),
397 		  NVVAL(NV907D, HEAD_SET_VIEWPORT_SIZE_IN, WIDTH, asyh->view.iW) |
398 		  NVVAL(NV907D, HEAD_SET_VIEWPORT_SIZE_IN, HEIGHT, asyh->view.iH));
399 
400 	PUSH_MTHD(push, NV907D, HEAD_SET_VIEWPORT_SIZE_OUT(i),
401 		  NVVAL(NV907D, HEAD_SET_VIEWPORT_SIZE_OUT, WIDTH, asyh->view.oW) |
402 		  NVVAL(NV907D, HEAD_SET_VIEWPORT_SIZE_OUT, HEIGHT, asyh->view.oH),
403 
404 				HEAD_SET_VIEWPORT_SIZE_OUT_MIN(i),
405 		  NVVAL(NV907D, HEAD_SET_VIEWPORT_SIZE_OUT_MIN, WIDTH, asyh->view.oW) |
406 		  NVVAL(NV907D, HEAD_SET_VIEWPORT_SIZE_OUT_MIN, HEIGHT, asyh->view.oH),
407 
408 				HEAD_SET_VIEWPORT_SIZE_OUT_MAX(i),
409 		  NVVAL(NV907D, HEAD_SET_VIEWPORT_SIZE_OUT_MAX, WIDTH, asyh->view.oW) |
410 		  NVVAL(NV907D, HEAD_SET_VIEWPORT_SIZE_OUT_MAX, HEIGHT, asyh->view.oH));
411 	return 0;
412 }
413 
414 const struct nv50_head_func
415 head907d = {
416 	.view = head907d_view,
417 	.mode = head907d_mode,
418 	.olut = head907d_olut,
419 	.olut_size = 1024,
420 	.olut_set = head907d_olut_set,
421 	.olut_clr = head907d_olut_clr,
422 	.core_calc = head507d_core_calc,
423 	.core_set = head907d_core_set,
424 	.core_clr = head907d_core_clr,
425 	.curs_layout = head507d_curs_layout,
426 	.curs_format = head507d_curs_format,
427 	.curs_set = head907d_curs_set,
428 	.curs_clr = head907d_curs_clr,
429 	.base = head907d_base,
430 	.ovly = head907d_ovly,
431 	.dither = head907d_dither,
432 	.procamp = head907d_procamp,
433 	.or = head907d_or,
434 };
435