hc
2024-05-10 9999e48639b3cecb08ffb37358bcba3b48161b29
kernel/drivers/gpu/drm/ast/ast_mode.c
....@@ -27,24 +27,27 @@
2727 /*
2828 * Authors: Dave Airlie <airlied@redhat.com>
2929 */
30
+
3031 #include <linux/export.h>
31
-#include <drm/drmP.h>
32
+#include <linux/pci.h>
33
+
34
+#include <drm/drm_atomic.h>
35
+#include <drm/drm_atomic_helper.h>
36
+#include <drm/drm_atomic_state_helper.h>
3237 #include <drm/drm_crtc.h>
3338 #include <drm/drm_crtc_helper.h>
39
+#include <drm/drm_fourcc.h>
40
+#include <drm/drm_gem_framebuffer_helper.h>
41
+#include <drm/drm_gem_vram_helper.h>
3442 #include <drm/drm_plane_helper.h>
35
-#include "ast_drv.h"
43
+#include <drm/drm_probe_helper.h>
44
+#include <drm/drm_simple_kms_helper.h>
3645
46
+#include "ast_drv.h"
3747 #include "ast_tables.h"
3848
3949 static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev);
4050 static void ast_i2c_destroy(struct ast_i2c_chan *i2c);
41
-static int ast_cursor_set(struct drm_crtc *crtc,
42
- struct drm_file *file_priv,
43
- uint32_t handle,
44
- uint32_t width,
45
- uint32_t height);
46
-static int ast_cursor_move(struct drm_crtc *crtc,
47
- int x, int y);
4851
4952 static inline void ast_load_palette_index(struct ast_private *ast,
5053 u8 index, u8 red, u8 green,
....@@ -60,9 +63,8 @@
6063 ast_io_read8(ast, AST_IO_SEQ_PORT);
6164 }
6265
63
-static void ast_crtc_load_lut(struct drm_crtc *crtc)
66
+static void ast_crtc_load_lut(struct ast_private *ast, struct drm_crtc *crtc)
6467 {
65
- struct ast_private *ast = crtc->dev->dev_private;
6668 u16 *r, *g, *b;
6769 int i;
6870
....@@ -77,36 +79,32 @@
7779 ast_load_palette_index(ast, i, *r++ >> 8, *g++ >> 8, *b++ >> 8);
7880 }
7981
80
-static bool ast_get_vbios_mode_info(struct drm_crtc *crtc, struct drm_display_mode *mode,
82
+static bool ast_get_vbios_mode_info(const struct drm_format_info *format,
83
+ const struct drm_display_mode *mode,
8184 struct drm_display_mode *adjusted_mode,
8285 struct ast_vbios_mode_info *vbios_mode)
8386 {
84
- struct ast_private *ast = crtc->dev->dev_private;
85
- const struct drm_framebuffer *fb = crtc->primary->fb;
86
- u32 refresh_rate_index = 0, mode_id, color_index, refresh_rate;
87
+ u32 refresh_rate_index = 0, refresh_rate;
8788 const struct ast_vbios_enhtable *best = NULL;
8889 u32 hborder, vborder;
8990 bool check_sync;
9091
91
- switch (fb->format->cpp[0] * 8) {
92
+ switch (format->cpp[0] * 8) {
9293 case 8:
9394 vbios_mode->std_table = &vbios_stdtable[VGAModeIndex];
94
- color_index = VGAModeIndex - 1;
9595 break;
9696 case 16:
9797 vbios_mode->std_table = &vbios_stdtable[HiCModeIndex];
98
- color_index = HiCModeIndex;
9998 break;
10099 case 24:
101100 case 32:
102101 vbios_mode->std_table = &vbios_stdtable[TrueCModeIndex];
103
- color_index = TrueCModeIndex;
104102 break;
105103 default:
106104 return false;
107105 }
108106
109
- switch (crtc->mode.crtc_hdisplay) {
107
+ switch (mode->crtc_hdisplay) {
110108 case 640:
111109 vbios_mode->enh_table = &res_640x480[refresh_rate_index];
112110 break;
....@@ -117,7 +115,7 @@
117115 vbios_mode->enh_table = &res_1024x768[refresh_rate_index];
118116 break;
119117 case 1280:
120
- if (crtc->mode.crtc_vdisplay == 800)
118
+ if (mode->crtc_vdisplay == 800)
121119 vbios_mode->enh_table = &res_1280x800[refresh_rate_index];
122120 else
123121 vbios_mode->enh_table = &res_1280x1024[refresh_rate_index];
....@@ -129,7 +127,7 @@
129127 vbios_mode->enh_table = &res_1440x900[refresh_rate_index];
130128 break;
131129 case 1600:
132
- if (crtc->mode.crtc_vdisplay == 900)
130
+ if (mode->crtc_vdisplay == 900)
133131 vbios_mode->enh_table = &res_1600x900[refresh_rate_index];
134132 else
135133 vbios_mode->enh_table = &res_1600x1200[refresh_rate_index];
....@@ -138,7 +136,7 @@
138136 vbios_mode->enh_table = &res_1680x1050[refresh_rate_index];
139137 break;
140138 case 1920:
141
- if (crtc->mode.crtc_vdisplay == 1080)
139
+ if (mode->crtc_vdisplay == 1080)
142140 vbios_mode->enh_table = &res_1920x1080[refresh_rate_index];
143141 else
144142 vbios_mode->enh_table = &res_1920x1200[refresh_rate_index];
....@@ -149,7 +147,8 @@
149147
150148 refresh_rate = drm_mode_vrefresh(mode);
151149 check_sync = vbios_mode->enh_table->flags & WideScreenMode;
152
- do {
150
+
151
+ while (1) {
153152 const struct ast_vbios_enhtable *loop = vbios_mode->enh_table;
154153
155154 while (loop->refresh_rate != 0xff) {
....@@ -173,7 +172,8 @@
173172 if (best || !check_sync)
174173 break;
175174 check_sync = 0;
176
- } while (1);
175
+ }
176
+
177177 if (best)
178178 vbios_mode->enh_table = best;
179179
....@@ -198,38 +198,68 @@
198198 vbios_mode->enh_table->vfp +
199199 vbios_mode->enh_table->vsync);
200200
201
+ return true;
202
+}
203
+
204
+static void ast_set_vbios_color_reg(struct ast_private *ast,
205
+ const struct drm_format_info *format,
206
+ const struct ast_vbios_mode_info *vbios_mode)
207
+{
208
+ u32 color_index;
209
+
210
+ switch (format->cpp[0]) {
211
+ case 1:
212
+ color_index = VGAModeIndex - 1;
213
+ break;
214
+ case 2:
215
+ color_index = HiCModeIndex;
216
+ break;
217
+ case 3:
218
+ case 4:
219
+ color_index = TrueCModeIndex;
220
+ break;
221
+ default:
222
+ return;
223
+ }
224
+
225
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8c, (u8)((color_index & 0x0f) << 4));
226
+
227
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00);
228
+
229
+ if (vbios_mode->enh_table->flags & NewModeInfo) {
230
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8);
231
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92, format->cpp[0] * 8);
232
+ }
233
+}
234
+
235
+static void ast_set_vbios_mode_reg(struct ast_private *ast,
236
+ const struct drm_display_mode *adjusted_mode,
237
+ const struct ast_vbios_mode_info *vbios_mode)
238
+{
239
+ u32 refresh_rate_index, mode_id;
240
+
201241 refresh_rate_index = vbios_mode->enh_table->refresh_rate_index;
202242 mode_id = vbios_mode->enh_table->mode_id;
203243
204
- if (ast->chip == AST1180) {
205
- /* TODO 1180 */
206
- } else {
207
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8c, (u8)((color_index & 0xf) << 4));
208
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8d, refresh_rate_index & 0xff);
209
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8e, mode_id & 0xff);
244
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8d, refresh_rate_index & 0xff);
245
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8e, mode_id & 0xff);
210246
211
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00);
212
- if (vbios_mode->enh_table->flags & NewModeInfo) {
213
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8);
214
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92,
215
- fb->format->cpp[0] * 8);
216
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000);
217
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay);
218
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8);
247
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00);
219248
220
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x96, adjusted_mode->crtc_vdisplay);
221
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x97, adjusted_mode->crtc_vdisplay >> 8);
222
- }
249
+ if (vbios_mode->enh_table->flags & NewModeInfo) {
250
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8);
251
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000);
252
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay);
253
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8);
254
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x96, adjusted_mode->crtc_vdisplay);
255
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x97, adjusted_mode->crtc_vdisplay >> 8);
223256 }
224
-
225
- return true;
226
-
227
-
228257 }
229
-static void ast_set_std_reg(struct drm_crtc *crtc, struct drm_display_mode *mode,
258
+
259
+static void ast_set_std_reg(struct ast_private *ast,
260
+ struct drm_display_mode *mode,
230261 struct ast_vbios_mode_info *vbios_mode)
231262 {
232
- struct ast_private *ast = crtc->dev->dev_private;
233263 const struct ast_vbios_stdtable *stdtable;
234264 u32 i;
235265 u8 jreg;
....@@ -239,18 +269,21 @@
239269 jreg = stdtable->misc;
240270 ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg);
241271
242
- /* Set SEQ */
272
+ /* Set SEQ; except Screen Disable field */
243273 ast_set_index_reg(ast, AST_IO_SEQ_PORT, 0x00, 0x03);
244
- for (i = 0; i < 4; i++) {
274
+ ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x01, 0xdf, stdtable->seq[0]);
275
+ for (i = 1; i < 4; i++) {
245276 jreg = stdtable->seq[i];
246
- if (!i)
247
- jreg |= 0x20;
248277 ast_set_index_reg(ast, AST_IO_SEQ_PORT, (i + 1) , jreg);
249278 }
250279
251
- /* Set CRTC */
280
+ /* Set CRTC; except base address and offset */
252281 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00);
253
- for (i = 0; i < 25; i++)
282
+ for (i = 0; i < 12; i++)
283
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]);
284
+ for (i = 14; i < 19; i++)
285
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]);
286
+ for (i = 20; i < 25; i++)
254287 ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]);
255288
256289 /* set AR */
....@@ -271,10 +304,10 @@
271304 ast_set_index_reg(ast, AST_IO_GR_PORT, i, stdtable->gr[i]);
272305 }
273306
274
-static void ast_set_crtc_reg(struct drm_crtc *crtc, struct drm_display_mode *mode,
307
+static void ast_set_crtc_reg(struct ast_private *ast,
308
+ struct drm_display_mode *mode,
275309 struct ast_vbios_mode_info *vbios_mode)
276310 {
277
- struct ast_private *ast = crtc->dev->dev_private;
278311 u8 jreg05 = 0, jreg07 = 0, jreg09 = 0, jregAC = 0, jregAD = 0, jregAE = 0;
279312 u16 temp, precache = 0;
280313
....@@ -380,11 +413,9 @@
380413 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x80);
381414 }
382415
383
-static void ast_set_offset_reg(struct drm_crtc *crtc)
416
+static void ast_set_offset_reg(struct ast_private *ast,
417
+ struct drm_framebuffer *fb)
384418 {
385
- struct ast_private *ast = crtc->dev->dev_private;
386
- const struct drm_framebuffer *fb = crtc->primary->fb;
387
-
388419 u16 offset;
389420
390421 offset = fb->pitches[0] >> 3;
....@@ -392,10 +423,10 @@
392423 ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xb0, (offset >> 8) & 0x3f);
393424 }
394425
395
-static void ast_set_dclk_reg(struct drm_device *dev, struct drm_display_mode *mode,
426
+static void ast_set_dclk_reg(struct ast_private *ast,
427
+ struct drm_display_mode *mode,
396428 struct ast_vbios_mode_info *vbios_mode)
397429 {
398
- struct ast_private *ast = dev->dev_private;
399430 const struct ast_vbios_dclk_info *clk_info;
400431
401432 if (ast->chip == AST2500)
....@@ -410,14 +441,12 @@
410441 ((clk_info->param3 & 0x3) << 4));
411442 }
412443
413
-static void ast_set_ext_reg(struct drm_crtc *crtc, struct drm_display_mode *mode,
414
- struct ast_vbios_mode_info *vbios_mode)
444
+static void ast_set_color_reg(struct ast_private *ast,
445
+ const struct drm_format_info *format)
415446 {
416
- struct ast_private *ast = crtc->dev->dev_private;
417
- const struct drm_framebuffer *fb = crtc->primary->fb;
418447 u8 jregA0 = 0, jregA3 = 0, jregA8 = 0;
419448
420
- switch (fb->format->cpp[0] * 8) {
449
+ switch (format->cpp[0] * 8) {
421450 case 8:
422451 jregA0 = 0x70;
423452 jregA3 = 0x01;
....@@ -439,7 +468,10 @@
439468 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa0, 0x8f, jregA0);
440469 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xf0, jregA3);
441470 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa8, 0xfd, jregA8);
471
+}
442472
473
+static void ast_set_crtthd_reg(struct ast_private *ast)
474
+{
443475 /* Set Threshold */
444476 if (ast->chip == AST2300 || ast->chip == AST2400 ||
445477 ast->chip == AST2500) {
....@@ -457,10 +489,10 @@
457489 }
458490 }
459491
460
-static void ast_set_sync_reg(struct drm_device *dev, struct drm_display_mode *mode,
461
- struct ast_vbios_mode_info *vbios_mode)
492
+static void ast_set_sync_reg(struct ast_private *ast,
493
+ struct drm_display_mode *mode,
494
+ struct ast_vbios_mode_info *vbios_mode)
462495 {
463
- struct ast_private *ast = dev->dev_private;
464496 u8 jreg;
465497
466498 jreg = ast_io_read8(ast, AST_IO_MISC_PORT_READ);
....@@ -470,23 +502,9 @@
470502 ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg);
471503 }
472504
473
-static bool ast_set_dac_reg(struct drm_crtc *crtc, struct drm_display_mode *mode,
474
- struct ast_vbios_mode_info *vbios_mode)
505
+static void ast_set_start_address_crt1(struct ast_private *ast,
506
+ unsigned offset)
475507 {
476
- const struct drm_framebuffer *fb = crtc->primary->fb;
477
-
478
- switch (fb->format->cpp[0] * 8) {
479
- case 8:
480
- break;
481
- default:
482
- return false;
483
- }
484
- return true;
485
-}
486
-
487
-static void ast_set_start_address_crt1(struct drm_crtc *crtc, unsigned offset)
488
-{
489
- struct ast_private *ast = crtc->dev->dev_private;
490508 u32 addr;
491509
492510 addr = offset >> 2;
....@@ -496,283 +514,442 @@
496514
497515 }
498516
517
+static void ast_wait_for_vretrace(struct ast_private *ast)
518
+{
519
+ unsigned long timeout = jiffies + HZ;
520
+ u8 vgair1;
521
+
522
+ do {
523
+ vgair1 = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ);
524
+ } while (!(vgair1 & AST_IO_VGAIR1_VREFRESH) && time_before(jiffies, timeout));
525
+}
526
+
527
+/*
528
+ * Primary plane
529
+ */
530
+
531
+static const uint32_t ast_primary_plane_formats[] = {
532
+ DRM_FORMAT_XRGB8888,
533
+ DRM_FORMAT_RGB565,
534
+ DRM_FORMAT_C8,
535
+};
536
+
537
+static int ast_primary_plane_helper_atomic_check(struct drm_plane *plane,
538
+ struct drm_plane_state *state)
539
+{
540
+ struct drm_crtc_state *crtc_state;
541
+ struct ast_crtc_state *ast_crtc_state;
542
+ int ret;
543
+
544
+ if (!state->crtc)
545
+ return 0;
546
+
547
+ crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc);
548
+
549
+ ret = drm_atomic_helper_check_plane_state(state, crtc_state,
550
+ DRM_PLANE_HELPER_NO_SCALING,
551
+ DRM_PLANE_HELPER_NO_SCALING,
552
+ false, true);
553
+ if (ret)
554
+ return ret;
555
+
556
+ if (!state->visible)
557
+ return 0;
558
+
559
+ ast_crtc_state = to_ast_crtc_state(crtc_state);
560
+
561
+ ast_crtc_state->format = state->fb->format;
562
+
563
+ return 0;
564
+}
565
+
566
+static void
567
+ast_primary_plane_helper_atomic_update(struct drm_plane *plane,
568
+ struct drm_plane_state *old_state)
569
+{
570
+ struct drm_device *dev = plane->dev;
571
+ struct ast_private *ast = to_ast_private(dev);
572
+ struct drm_plane_state *state = plane->state;
573
+ struct drm_gem_vram_object *gbo;
574
+ s64 gpu_addr;
575
+ struct drm_framebuffer *fb = state->fb;
576
+ struct drm_framebuffer *old_fb = old_state->fb;
577
+
578
+ if (!old_fb || (fb->format != old_fb->format)) {
579
+ struct drm_crtc_state *crtc_state = state->crtc->state;
580
+ struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state);
581
+ struct ast_vbios_mode_info *vbios_mode_info = &ast_crtc_state->vbios_mode_info;
582
+
583
+ ast_set_color_reg(ast, fb->format);
584
+ ast_set_vbios_color_reg(ast, fb->format, vbios_mode_info);
585
+ }
586
+
587
+ gbo = drm_gem_vram_of_gem(fb->obj[0]);
588
+ gpu_addr = drm_gem_vram_offset(gbo);
589
+ if (drm_WARN_ON_ONCE(dev, gpu_addr < 0))
590
+ return; /* Bug: we didn't pin the BO to VRAM in prepare_fb. */
591
+
592
+ ast_set_offset_reg(ast, fb);
593
+ ast_set_start_address_crt1(ast, (u32)gpu_addr);
594
+
595
+ ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x00);
596
+}
597
+
598
+static void
599
+ast_primary_plane_helper_atomic_disable(struct drm_plane *plane,
600
+ struct drm_plane_state *old_state)
601
+{
602
+ struct ast_private *ast = to_ast_private(plane->dev);
603
+
604
+ ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20);
605
+}
606
+
607
+static const struct drm_plane_helper_funcs ast_primary_plane_helper_funcs = {
608
+ .prepare_fb = drm_gem_vram_plane_helper_prepare_fb,
609
+ .cleanup_fb = drm_gem_vram_plane_helper_cleanup_fb,
610
+ .atomic_check = ast_primary_plane_helper_atomic_check,
611
+ .atomic_update = ast_primary_plane_helper_atomic_update,
612
+ .atomic_disable = ast_primary_plane_helper_atomic_disable,
613
+};
614
+
615
+static const struct drm_plane_funcs ast_primary_plane_funcs = {
616
+ .update_plane = drm_atomic_helper_update_plane,
617
+ .disable_plane = drm_atomic_helper_disable_plane,
618
+ .destroy = drm_plane_cleanup,
619
+ .reset = drm_atomic_helper_plane_reset,
620
+ .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
621
+ .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
622
+};
623
+
624
+/*
625
+ * Cursor plane
626
+ */
627
+
628
+static const uint32_t ast_cursor_plane_formats[] = {
629
+ DRM_FORMAT_ARGB8888,
630
+};
631
+
632
+static int
633
+ast_cursor_plane_helper_prepare_fb(struct drm_plane *plane,
634
+ struct drm_plane_state *new_state)
635
+{
636
+ struct drm_framebuffer *fb = new_state->fb;
637
+ struct drm_crtc *crtc = new_state->crtc;
638
+ struct ast_private *ast;
639
+ int ret;
640
+
641
+ if (!crtc || !fb)
642
+ return 0;
643
+
644
+ ast = to_ast_private(plane->dev);
645
+
646
+ ret = ast_cursor_blit(ast, fb);
647
+ if (ret)
648
+ return ret;
649
+
650
+ return 0;
651
+}
652
+
653
+static int ast_cursor_plane_helper_atomic_check(struct drm_plane *plane,
654
+ struct drm_plane_state *state)
655
+{
656
+ struct drm_framebuffer *fb = state->fb;
657
+ struct drm_crtc_state *crtc_state;
658
+ int ret;
659
+
660
+ if (!state->crtc)
661
+ return 0;
662
+
663
+ crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc);
664
+
665
+ ret = drm_atomic_helper_check_plane_state(state, crtc_state,
666
+ DRM_PLANE_HELPER_NO_SCALING,
667
+ DRM_PLANE_HELPER_NO_SCALING,
668
+ true, true);
669
+ if (ret)
670
+ return ret;
671
+
672
+ if (!state->visible)
673
+ return 0;
674
+
675
+ if (fb->width > AST_MAX_HWC_WIDTH || fb->height > AST_MAX_HWC_HEIGHT)
676
+ return -EINVAL;
677
+
678
+ return 0;
679
+}
680
+
681
+static void
682
+ast_cursor_plane_helper_atomic_update(struct drm_plane *plane,
683
+ struct drm_plane_state *old_state)
684
+{
685
+ struct drm_plane_state *state = plane->state;
686
+ struct drm_framebuffer *fb = state->fb;
687
+ struct ast_private *ast = to_ast_private(plane->dev);
688
+ unsigned int offset_x, offset_y;
689
+
690
+ offset_x = AST_MAX_HWC_WIDTH - fb->width;
691
+ offset_y = AST_MAX_HWC_HEIGHT - fb->height;
692
+
693
+ if (state->fb != old_state->fb) {
694
+ /* A new cursor image was installed. */
695
+ ast_cursor_page_flip(ast);
696
+ }
697
+
698
+ ast_cursor_show(ast, state->crtc_x, state->crtc_y,
699
+ offset_x, offset_y);
700
+}
701
+
702
+static void
703
+ast_cursor_plane_helper_atomic_disable(struct drm_plane *plane,
704
+ struct drm_plane_state *old_state)
705
+{
706
+ struct ast_private *ast = to_ast_private(plane->dev);
707
+
708
+ ast_cursor_hide(ast);
709
+}
710
+
711
+static const struct drm_plane_helper_funcs ast_cursor_plane_helper_funcs = {
712
+ .prepare_fb = ast_cursor_plane_helper_prepare_fb,
713
+ .cleanup_fb = NULL, /* not required for cursor plane */
714
+ .atomic_check = ast_cursor_plane_helper_atomic_check,
715
+ .atomic_update = ast_cursor_plane_helper_atomic_update,
716
+ .atomic_disable = ast_cursor_plane_helper_atomic_disable,
717
+};
718
+
719
+static const struct drm_plane_funcs ast_cursor_plane_funcs = {
720
+ .update_plane = drm_atomic_helper_update_plane,
721
+ .disable_plane = drm_atomic_helper_disable_plane,
722
+ .destroy = drm_plane_cleanup,
723
+ .reset = drm_atomic_helper_plane_reset,
724
+ .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
725
+ .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
726
+};
727
+
728
+/*
729
+ * CRTC
730
+ */
731
+
499732 static void ast_crtc_dpms(struct drm_crtc *crtc, int mode)
500733 {
501
- struct ast_private *ast = crtc->dev->dev_private;
734
+ struct ast_private *ast = to_ast_private(crtc->dev);
502735
503
- if (ast->chip == AST1180)
504
- return;
505
-
736
+ /* TODO: Maybe control display signal generation with
737
+ * Sync Enable (bit CR17.7).
738
+ */
506739 switch (mode) {
507740 case DRM_MODE_DPMS_ON:
508741 case DRM_MODE_DPMS_STANDBY:
509742 case DRM_MODE_DPMS_SUSPEND:
510
- ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0);
511743 if (ast->tx_chip_type == AST_TX_DP501)
512744 ast_set_dp501_video_output(crtc->dev, 1);
513
- ast_crtc_load_lut(crtc);
514745 break;
515746 case DRM_MODE_DPMS_OFF:
516747 if (ast->tx_chip_type == AST_TX_DP501)
517748 ast_set_dp501_video_output(crtc->dev, 0);
518
- ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20);
519749 break;
520750 }
521751 }
522752
523
-/* ast is different - we will force move buffers out of VRAM */
524
-static int ast_crtc_do_set_base(struct drm_crtc *crtc,
525
- struct drm_framebuffer *fb,
526
- int x, int y, int atomic)
527
-{
528
- struct ast_private *ast = crtc->dev->dev_private;
529
- struct drm_gem_object *obj;
530
- struct ast_framebuffer *ast_fb;
531
- struct ast_bo *bo;
532
- int ret;
533
- u64 gpu_addr;
534
-
535
- /* push the previous fb to system ram */
536
- if (!atomic && fb) {
537
- ast_fb = to_ast_framebuffer(fb);
538
- obj = ast_fb->obj;
539
- bo = gem_to_ast_bo(obj);
540
- ret = ast_bo_reserve(bo, false);
541
- if (ret)
542
- return ret;
543
- ast_bo_push_sysram(bo);
544
- ast_bo_unreserve(bo);
545
- }
546
-
547
- ast_fb = to_ast_framebuffer(crtc->primary->fb);
548
- obj = ast_fb->obj;
549
- bo = gem_to_ast_bo(obj);
550
-
551
- ret = ast_bo_reserve(bo, false);
552
- if (ret)
553
- return ret;
554
-
555
- ret = ast_bo_pin(bo, TTM_PL_FLAG_VRAM, &gpu_addr);
556
- if (ret) {
557
- ast_bo_unreserve(bo);
558
- return ret;
559
- }
560
-
561
- if (&ast->fbdev->afb == ast_fb) {
562
- /* if pushing console in kmap it */
563
- ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap);
564
- if (ret)
565
- DRM_ERROR("failed to kmap fbcon\n");
566
- else
567
- ast_fbdev_set_base(ast, gpu_addr);
568
- }
569
- ast_bo_unreserve(bo);
570
-
571
- ast_set_offset_reg(crtc);
572
- ast_set_start_address_crt1(crtc, (u32)gpu_addr);
573
-
574
- return 0;
575
-}
576
-
577
-static int ast_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
578
- struct drm_framebuffer *old_fb)
579
-{
580
- return ast_crtc_do_set_base(crtc, old_fb, x, y, 0);
581
-}
582
-
583
-static int ast_crtc_mode_set(struct drm_crtc *crtc,
584
- struct drm_display_mode *mode,
585
- struct drm_display_mode *adjusted_mode,
586
- int x, int y,
587
- struct drm_framebuffer *old_fb)
753
+static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc,
754
+ struct drm_crtc_state *state)
588755 {
589756 struct drm_device *dev = crtc->dev;
590
- struct ast_private *ast = crtc->dev->dev_private;
591
- struct ast_vbios_mode_info vbios_mode;
592
- bool ret;
593
- if (ast->chip == AST1180) {
594
- DRM_ERROR("AST 1180 modesetting not supported\n");
757
+ struct ast_crtc_state *ast_state;
758
+ const struct drm_format_info *format;
759
+ bool succ;
760
+
761
+ if (!state->enable)
762
+ return 0; /* no mode checks if CRTC is being disabled */
763
+
764
+ ast_state = to_ast_crtc_state(state);
765
+
766
+ format = ast_state->format;
767
+ if (drm_WARN_ON_ONCE(dev, !format))
768
+ return -EINVAL; /* BUG: We didn't set format in primary check(). */
769
+
770
+ succ = ast_get_vbios_mode_info(format, &state->mode,
771
+ &state->adjusted_mode,
772
+ &ast_state->vbios_mode_info);
773
+ if (!succ)
595774 return -EINVAL;
596
- }
597
-
598
- ret = ast_get_vbios_mode_info(crtc, mode, adjusted_mode, &vbios_mode);
599
- if (ret == false)
600
- return -EINVAL;
601
- ast_open_key(ast);
602
-
603
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x06);
604
-
605
- ast_set_std_reg(crtc, adjusted_mode, &vbios_mode);
606
- ast_set_crtc_reg(crtc, adjusted_mode, &vbios_mode);
607
- ast_set_offset_reg(crtc);
608
- ast_set_dclk_reg(dev, adjusted_mode, &vbios_mode);
609
- ast_set_ext_reg(crtc, adjusted_mode, &vbios_mode);
610
- ast_set_sync_reg(dev, adjusted_mode, &vbios_mode);
611
- ast_set_dac_reg(crtc, adjusted_mode, &vbios_mode);
612
-
613
- ast_crtc_mode_set_base(crtc, x, y, old_fb);
614775
615776 return 0;
616777 }
617778
618
-static void ast_crtc_disable(struct drm_crtc *crtc)
779
+static void
780
+ast_crtc_helper_atomic_flush(struct drm_crtc *crtc, struct drm_crtc_state *old_crtc_state)
619781 {
620
- int ret;
782
+ struct ast_private *ast = to_ast_private(crtc->dev);
783
+ struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc->state);
784
+ struct ast_crtc_state *old_ast_crtc_state = to_ast_crtc_state(old_crtc_state);
621785
622
- DRM_DEBUG_KMS("\n");
786
+ /*
787
+ * The gamma LUT has to be reloaded after changing the primary
788
+ * plane's color format.
789
+ */
790
+ if (old_ast_crtc_state->format != ast_crtc_state->format)
791
+ ast_crtc_load_lut(ast, crtc);
792
+}
793
+
794
+static void
795
+ast_crtc_helper_atomic_enable(struct drm_crtc *crtc,
796
+ struct drm_crtc_state *old_crtc_state)
797
+{
798
+ struct drm_device *dev = crtc->dev;
799
+ struct ast_private *ast = to_ast_private(dev);
800
+ struct drm_crtc_state *crtc_state = crtc->state;
801
+ struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state);
802
+ struct ast_vbios_mode_info *vbios_mode_info =
803
+ &ast_crtc_state->vbios_mode_info;
804
+ struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode;
805
+
806
+ ast_set_vbios_mode_reg(ast, adjusted_mode, vbios_mode_info);
807
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x06);
808
+ ast_set_std_reg(ast, adjusted_mode, vbios_mode_info);
809
+ ast_set_crtc_reg(ast, adjusted_mode, vbios_mode_info);
810
+ ast_set_dclk_reg(ast, adjusted_mode, vbios_mode_info);
811
+ ast_set_crtthd_reg(ast);
812
+ ast_set_sync_reg(ast, adjusted_mode, vbios_mode_info);
813
+
814
+ ast_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
815
+}
816
+
817
+static void
818
+ast_crtc_helper_atomic_disable(struct drm_crtc *crtc,
819
+ struct drm_crtc_state *old_crtc_state)
820
+{
821
+ struct drm_device *dev = crtc->dev;
822
+ struct ast_private *ast = to_ast_private(dev);
823
+
623824 ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
624
- if (crtc->primary->fb) {
625
- struct ast_framebuffer *ast_fb = to_ast_framebuffer(crtc->primary->fb);
626
- struct drm_gem_object *obj = ast_fb->obj;
627
- struct ast_bo *bo = gem_to_ast_bo(obj);
628825
629
- ret = ast_bo_reserve(bo, false);
630
- if (ret)
631
- return;
826
+ /*
827
+ * HW cursors require the underlying primary plane and CRTC to
828
+ * display a valid mode and image. This is not the case during
829
+ * full modeset operations. So we temporarily disable any active
830
+ * plane, including the HW cursor. Each plane's atomic_update()
831
+ * helper will re-enable it if necessary.
832
+ *
833
+ * We only do this during *full* modesets. It does not affect
834
+ * simple pageflips on the planes.
835
+ */
836
+ drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, false);
632837
633
- ast_bo_push_sysram(bo);
634
- ast_bo_unreserve(bo);
635
- }
636
- crtc->primary->fb = NULL;
838
+ /*
839
+ * Ensure that no scanout takes place before reprogramming mode
840
+ * and format registers.
841
+ */
842
+ ast_wait_for_vretrace(ast);
637843 }
638
-
639
-static void ast_crtc_prepare(struct drm_crtc *crtc)
640
-{
641
-
642
-}
643
-
644
-static void ast_crtc_commit(struct drm_crtc *crtc)
645
-{
646
- struct ast_private *ast = crtc->dev->dev_private;
647
- ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0);
648
- ast_crtc_load_lut(crtc);
649
-}
650
-
651844
652845 static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = {
653
- .dpms = ast_crtc_dpms,
654
- .mode_set = ast_crtc_mode_set,
655
- .mode_set_base = ast_crtc_mode_set_base,
656
- .disable = ast_crtc_disable,
657
- .prepare = ast_crtc_prepare,
658
- .commit = ast_crtc_commit,
659
-
846
+ .atomic_check = ast_crtc_helper_atomic_check,
847
+ .atomic_flush = ast_crtc_helper_atomic_flush,
848
+ .atomic_enable = ast_crtc_helper_atomic_enable,
849
+ .atomic_disable = ast_crtc_helper_atomic_disable,
660850 };
661851
662852 static void ast_crtc_reset(struct drm_crtc *crtc)
663853 {
854
+ struct ast_crtc_state *ast_state =
855
+ kzalloc(sizeof(*ast_state), GFP_KERNEL);
664856
857
+ if (crtc->state)
858
+ crtc->funcs->atomic_destroy_state(crtc, crtc->state);
859
+
860
+ if (ast_state)
861
+ __drm_atomic_helper_crtc_reset(crtc, &ast_state->base);
862
+ else
863
+ __drm_atomic_helper_crtc_reset(crtc, NULL);
665864 }
666865
667
-static int ast_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
668
- u16 *blue, uint32_t size,
669
- struct drm_modeset_acquire_ctx *ctx)
866
+static struct drm_crtc_state *
867
+ast_crtc_atomic_duplicate_state(struct drm_crtc *crtc)
670868 {
671
- ast_crtc_load_lut(crtc);
869
+ struct ast_crtc_state *new_ast_state, *ast_state;
870
+ struct drm_device *dev = crtc->dev;
672871
673
- return 0;
872
+ if (drm_WARN_ON(dev, !crtc->state))
873
+ return NULL;
874
+
875
+ new_ast_state = kmalloc(sizeof(*new_ast_state), GFP_KERNEL);
876
+ if (!new_ast_state)
877
+ return NULL;
878
+ __drm_atomic_helper_crtc_duplicate_state(crtc, &new_ast_state->base);
879
+
880
+ ast_state = to_ast_crtc_state(crtc->state);
881
+
882
+ new_ast_state->format = ast_state->format;
883
+ memcpy(&new_ast_state->vbios_mode_info, &ast_state->vbios_mode_info,
884
+ sizeof(new_ast_state->vbios_mode_info));
885
+
886
+ return &new_ast_state->base;
674887 }
675888
676
-
677
-static void ast_crtc_destroy(struct drm_crtc *crtc)
889
+static void ast_crtc_atomic_destroy_state(struct drm_crtc *crtc,
890
+ struct drm_crtc_state *state)
678891 {
679
- drm_crtc_cleanup(crtc);
680
- kfree(crtc);
892
+ struct ast_crtc_state *ast_state = to_ast_crtc_state(state);
893
+
894
+ __drm_atomic_helper_crtc_destroy_state(&ast_state->base);
895
+ kfree(ast_state);
681896 }
682897
683898 static const struct drm_crtc_funcs ast_crtc_funcs = {
684
- .cursor_set = ast_cursor_set,
685
- .cursor_move = ast_cursor_move,
686899 .reset = ast_crtc_reset,
687
- .set_config = drm_crtc_helper_set_config,
688
- .gamma_set = ast_crtc_gamma_set,
689
- .destroy = ast_crtc_destroy,
900
+ .gamma_set = drm_atomic_helper_legacy_gamma_set,
901
+ .destroy = drm_crtc_cleanup,
902
+ .set_config = drm_atomic_helper_set_config,
903
+ .page_flip = drm_atomic_helper_page_flip,
904
+ .atomic_duplicate_state = ast_crtc_atomic_duplicate_state,
905
+ .atomic_destroy_state = ast_crtc_atomic_destroy_state,
690906 };
691907
692908 static int ast_crtc_init(struct drm_device *dev)
693909 {
694
- struct ast_crtc *crtc;
910
+ struct ast_private *ast = to_ast_private(dev);
911
+ struct drm_crtc *crtc = &ast->crtc;
912
+ int ret;
695913
696
- crtc = kzalloc(sizeof(struct ast_crtc), GFP_KERNEL);
697
- if (!crtc)
698
- return -ENOMEM;
914
+ ret = drm_crtc_init_with_planes(dev, crtc, &ast->primary_plane,
915
+ &ast->cursor_plane, &ast_crtc_funcs,
916
+ NULL);
917
+ if (ret)
918
+ return ret;
699919
700
- drm_crtc_init(dev, &crtc->base, &ast_crtc_funcs);
701
- drm_mode_crtc_set_gamma_size(&crtc->base, 256);
702
- drm_crtc_helper_add(&crtc->base, &ast_crtc_helper_funcs);
920
+ drm_mode_crtc_set_gamma_size(crtc, 256);
921
+ drm_crtc_helper_add(crtc, &ast_crtc_helper_funcs);
922
+
703923 return 0;
704924 }
705925
706
-static void ast_encoder_destroy(struct drm_encoder *encoder)
707
-{
708
- drm_encoder_cleanup(encoder);
709
- kfree(encoder);
710
-}
711
-
712
-
713
-static struct drm_encoder *ast_best_single_encoder(struct drm_connector *connector)
714
-{
715
- int enc_id = connector->encoder_ids[0];
716
- /* pick the encoder ids */
717
- if (enc_id)
718
- return drm_encoder_find(connector->dev, NULL, enc_id);
719
- return NULL;
720
-}
721
-
722
-
723
-static const struct drm_encoder_funcs ast_enc_funcs = {
724
- .destroy = ast_encoder_destroy,
725
-};
726
-
727
-static void ast_encoder_dpms(struct drm_encoder *encoder, int mode)
728
-{
729
-
730
-}
731
-
732
-static void ast_encoder_mode_set(struct drm_encoder *encoder,
733
- struct drm_display_mode *mode,
734
- struct drm_display_mode *adjusted_mode)
735
-{
736
-}
737
-
738
-static void ast_encoder_prepare(struct drm_encoder *encoder)
739
-{
740
-
741
-}
742
-
743
-static void ast_encoder_commit(struct drm_encoder *encoder)
744
-{
745
-
746
-}
747
-
748
-
749
-static const struct drm_encoder_helper_funcs ast_enc_helper_funcs = {
750
- .dpms = ast_encoder_dpms,
751
- .prepare = ast_encoder_prepare,
752
- .commit = ast_encoder_commit,
753
- .mode_set = ast_encoder_mode_set,
754
-};
926
+/*
927
+ * Encoder
928
+ */
755929
756930 static int ast_encoder_init(struct drm_device *dev)
757931 {
758
- struct ast_encoder *ast_encoder;
932
+ struct ast_private *ast = to_ast_private(dev);
933
+ struct drm_encoder *encoder = &ast->encoder;
934
+ int ret;
759935
760
- ast_encoder = kzalloc(sizeof(struct ast_encoder), GFP_KERNEL);
761
- if (!ast_encoder)
762
- return -ENOMEM;
936
+ ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_DAC);
937
+ if (ret)
938
+ return ret;
763939
764
- drm_encoder_init(dev, &ast_encoder->base, &ast_enc_funcs,
765
- DRM_MODE_ENCODER_DAC, NULL);
766
- drm_encoder_helper_add(&ast_encoder->base, &ast_enc_helper_funcs);
940
+ encoder->possible_crtcs = 1;
767941
768
- ast_encoder->base.possible_crtcs = 1;
769942 return 0;
770943 }
944
+
945
+/*
946
+ * Connector
947
+ */
771948
772949 static int ast_get_modes(struct drm_connector *connector)
773950 {
774951 struct ast_connector *ast_connector = to_ast_connector(connector);
775
- struct ast_private *ast = connector->dev->dev_private;
952
+ struct ast_private *ast = to_ast_private(connector->dev);
776953 struct edid *edid;
777954 int ret;
778955 bool flags = false;
....@@ -803,7 +980,7 @@
803980 static enum drm_mode_status ast_mode_valid(struct drm_connector *connector,
804981 struct drm_display_mode *mode)
805982 {
806
- struct ast_private *ast = connector->dev->dev_private;
983
+ struct ast_private *ast = to_ast_private(connector->dev);
807984 int flags = MODE_NOMODE;
808985 uint32_t jtemp;
809986
....@@ -821,7 +998,7 @@
821998
822999 if ((ast->chip == AST2100) || (ast->chip == AST2200) ||
8231000 (ast->chip == AST2300) || (ast->chip == AST2400) ||
824
- (ast->chip == AST2500) || (ast->chip == AST1180)) {
1001
+ (ast->chip == AST2500)) {
8251002 if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080))
8261003 return MODE_OK;
8271004
....@@ -861,118 +1038,138 @@
8611038 {
8621039 struct ast_connector *ast_connector = to_ast_connector(connector);
8631040 ast_i2c_destroy(ast_connector->i2c);
864
- drm_connector_unregister(connector);
8651041 drm_connector_cleanup(connector);
866
- kfree(connector);
8671042 }
8681043
8691044 static const struct drm_connector_helper_funcs ast_connector_helper_funcs = {
870
- .mode_valid = ast_mode_valid,
8711045 .get_modes = ast_get_modes,
872
- .best_encoder = ast_best_single_encoder,
1046
+ .mode_valid = ast_mode_valid,
8731047 };
8741048
8751049 static const struct drm_connector_funcs ast_connector_funcs = {
876
- .dpms = drm_helper_connector_dpms,
1050
+ .reset = drm_atomic_helper_connector_reset,
8771051 .fill_modes = drm_helper_probe_single_connector_modes,
8781052 .destroy = ast_connector_destroy,
1053
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
1054
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
8791055 };
8801056
8811057 static int ast_connector_init(struct drm_device *dev)
8821058 {
883
- struct ast_connector *ast_connector;
884
- struct drm_connector *connector;
885
- struct drm_encoder *encoder;
1059
+ struct ast_private *ast = to_ast_private(dev);
1060
+ struct ast_connector *ast_connector = &ast->connector;
1061
+ struct drm_connector *connector = &ast_connector->base;
1062
+ struct drm_encoder *encoder = &ast->encoder;
8861063
887
- ast_connector = kzalloc(sizeof(struct ast_connector), GFP_KERNEL);
888
- if (!ast_connector)
889
- return -ENOMEM;
1064
+ ast_connector->i2c = ast_i2c_create(dev);
1065
+ if (!ast_connector->i2c)
1066
+ drm_err(dev, "failed to add ddc bus for connector\n");
8901067
891
- connector = &ast_connector->base;
892
- drm_connector_init(dev, connector, &ast_connector_funcs, DRM_MODE_CONNECTOR_VGA);
1068
+ drm_connector_init_with_ddc(dev, connector,
1069
+ &ast_connector_funcs,
1070
+ DRM_MODE_CONNECTOR_VGA,
1071
+ &ast_connector->i2c->adapter);
8931072
8941073 drm_connector_helper_add(connector, &ast_connector_helper_funcs);
8951074
8961075 connector->interlace_allowed = 0;
8971076 connector->doublescan_allowed = 0;
8981077
899
- drm_connector_register(connector);
900
-
9011078 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
9021079
903
- encoder = list_first_entry(&dev->mode_config.encoder_list, struct drm_encoder, head);
9041080 drm_connector_attach_encoder(connector, encoder);
9051081
906
- ast_connector->i2c = ast_i2c_create(dev);
907
- if (!ast_connector->i2c)
908
- DRM_ERROR("failed to add ddc bus for connector\n");
909
-
9101082 return 0;
9111083 }
9121084
913
-/* allocate cursor cache and pin at start of VRAM */
914
-static int ast_cursor_init(struct drm_device *dev)
1085
+/*
1086
+ * Mode config
1087
+ */
1088
+
1089
+static const struct drm_mode_config_helper_funcs
1090
+ast_mode_config_helper_funcs = {
1091
+ .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm,
1092
+};
1093
+
1094
+static const struct drm_mode_config_funcs ast_mode_config_funcs = {
1095
+ .fb_create = drm_gem_fb_create,
1096
+ .mode_valid = drm_vram_helper_mode_valid,
1097
+ .atomic_check = drm_atomic_helper_check,
1098
+ .atomic_commit = drm_atomic_helper_commit,
1099
+};
1100
+
1101
+int ast_mode_config_init(struct ast_private *ast)
9151102 {
916
- struct ast_private *ast = dev->dev_private;
917
- int size;
1103
+ struct drm_device *dev = &ast->base;
9181104 int ret;
919
- struct drm_gem_object *obj;
920
- struct ast_bo *bo;
921
- uint64_t gpu_addr;
9221105
923
- size = (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE) * AST_DEFAULT_HWC_NUM;
924
-
925
- ret = ast_gem_create(dev, size, true, &obj);
1106
+ ret = ast_cursor_init(ast);
9261107 if (ret)
9271108 return ret;
928
- bo = gem_to_ast_bo(obj);
929
- ret = ast_bo_reserve(bo, false);
930
- if (unlikely(ret != 0))
931
- goto fail;
9321109
933
- ret = ast_bo_pin(bo, TTM_PL_FLAG_VRAM, &gpu_addr);
934
- ast_bo_unreserve(bo);
1110
+ ret = drmm_mode_config_init(dev);
9351111 if (ret)
936
- goto fail;
1112
+ return ret;
9371113
938
- /* kmap the object */
939
- ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &ast->cache_kmap);
940
- if (ret)
941
- goto fail;
1114
+ dev->mode_config.funcs = &ast_mode_config_funcs;
1115
+ dev->mode_config.min_width = 0;
1116
+ dev->mode_config.min_height = 0;
1117
+ dev->mode_config.preferred_depth = 24;
1118
+ dev->mode_config.prefer_shadow = 1;
1119
+ dev->mode_config.fb_base = pci_resource_start(dev->pdev, 0);
9421120
943
- ast->cursor_cache = obj;
944
- ast->cursor_cache_gpu_addr = gpu_addr;
945
- DRM_DEBUG_KMS("pinned cursor cache at %llx\n", ast->cursor_cache_gpu_addr);
946
- return 0;
947
-fail:
948
- return ret;
949
-}
1121
+ if (ast->chip == AST2100 ||
1122
+ ast->chip == AST2200 ||
1123
+ ast->chip == AST2300 ||
1124
+ ast->chip == AST2400 ||
1125
+ ast->chip == AST2500) {
1126
+ dev->mode_config.max_width = 1920;
1127
+ dev->mode_config.max_height = 2048;
1128
+ } else {
1129
+ dev->mode_config.max_width = 1600;
1130
+ dev->mode_config.max_height = 1200;
1131
+ }
9501132
951
-static void ast_cursor_fini(struct drm_device *dev)
952
-{
953
- struct ast_private *ast = dev->dev_private;
954
- ttm_bo_kunmap(&ast->cache_kmap);
955
- drm_gem_object_put_unlocked(ast->cursor_cache);
956
-}
1133
+ dev->mode_config.helper_private = &ast_mode_config_helper_funcs;
9571134
958
-int ast_mode_init(struct drm_device *dev)
959
-{
960
- ast_cursor_init(dev);
1135
+ memset(&ast->primary_plane, 0, sizeof(ast->primary_plane));
1136
+ ret = drm_universal_plane_init(dev, &ast->primary_plane, 0x01,
1137
+ &ast_primary_plane_funcs,
1138
+ ast_primary_plane_formats,
1139
+ ARRAY_SIZE(ast_primary_plane_formats),
1140
+ NULL, DRM_PLANE_TYPE_PRIMARY, NULL);
1141
+ if (ret) {
1142
+ drm_err(dev, "ast: drm_universal_plane_init() failed: %d\n", ret);
1143
+ return ret;
1144
+ }
1145
+ drm_plane_helper_add(&ast->primary_plane,
1146
+ &ast_primary_plane_helper_funcs);
1147
+
1148
+ ret = drm_universal_plane_init(dev, &ast->cursor_plane, 0x01,
1149
+ &ast_cursor_plane_funcs,
1150
+ ast_cursor_plane_formats,
1151
+ ARRAY_SIZE(ast_cursor_plane_formats),
1152
+ NULL, DRM_PLANE_TYPE_CURSOR, NULL);
1153
+ if (ret) {
1154
+ drm_err(dev, "drm_universal_plane_failed(): %d\n", ret);
1155
+ return ret;
1156
+ }
1157
+ drm_plane_helper_add(&ast->cursor_plane,
1158
+ &ast_cursor_plane_helper_funcs);
1159
+
9611160 ast_crtc_init(dev);
9621161 ast_encoder_init(dev);
9631162 ast_connector_init(dev);
964
- return 0;
965
-}
9661163
967
-void ast_mode_fini(struct drm_device *dev)
968
-{
969
- ast_cursor_fini(dev);
1164
+ drm_mode_config_reset(dev);
1165
+
1166
+ return 0;
9701167 }
9711168
9721169 static int get_clock(void *i2c_priv)
9731170 {
9741171 struct ast_i2c_chan *i2c = i2c_priv;
975
- struct ast_private *ast = i2c->dev->dev_private;
1172
+ struct ast_private *ast = to_ast_private(i2c->dev);
9761173 uint32_t val, val2, count, pass;
9771174
9781175 count = 0;
....@@ -994,7 +1191,7 @@
9941191 static int get_data(void *i2c_priv)
9951192 {
9961193 struct ast_i2c_chan *i2c = i2c_priv;
997
- struct ast_private *ast = i2c->dev->dev_private;
1194
+ struct ast_private *ast = to_ast_private(i2c->dev);
9981195 uint32_t val, val2, count, pass;
9991196
10001197 count = 0;
....@@ -1016,7 +1213,7 @@
10161213 static void set_clock(void *i2c_priv, int clock)
10171214 {
10181215 struct ast_i2c_chan *i2c = i2c_priv;
1019
- struct ast_private *ast = i2c->dev->dev_private;
1216
+ struct ast_private *ast = to_ast_private(i2c->dev);
10201217 int i;
10211218 u8 ujcrb7, jtemp;
10221219
....@@ -1032,7 +1229,7 @@
10321229 static void set_data(void *i2c_priv, int data)
10331230 {
10341231 struct ast_i2c_chan *i2c = i2c_priv;
1035
- struct ast_private *ast = i2c->dev->dev_private;
1232
+ struct ast_private *ast = to_ast_private(i2c->dev);
10361233 int i;
10371234 u8 ujcrb7, jtemp;
10381235
....@@ -1072,7 +1269,7 @@
10721269 i2c->bit.getscl = get_clock;
10731270 ret = i2c_bit_add_bus(&i2c->adapter);
10741271 if (ret) {
1075
- DRM_ERROR("Failed to register bit i2c\n");
1272
+ drm_err(dev, "Failed to register bit i2c\n");
10761273 goto out_free;
10771274 }
10781275
....@@ -1088,198 +1285,4 @@
10881285 return;
10891286 i2c_del_adapter(&i2c->adapter);
10901287 kfree(i2c);
1091
-}
1092
-
1093
-static void ast_show_cursor(struct drm_crtc *crtc)
1094
-{
1095
- struct ast_private *ast = crtc->dev->dev_private;
1096
- u8 jreg;
1097
-
1098
- jreg = 0x2;
1099
- /* enable ARGB cursor */
1100
- jreg |= 1;
1101
- ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg);
1102
-}
1103
-
1104
-static void ast_hide_cursor(struct drm_crtc *crtc)
1105
-{
1106
- struct ast_private *ast = crtc->dev->dev_private;
1107
- ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, 0x00);
1108
-}
1109
-
1110
-static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height)
1111
-{
1112
- union {
1113
- u32 ul;
1114
- u8 b[4];
1115
- } srcdata32[2], data32;
1116
- union {
1117
- u16 us;
1118
- u8 b[2];
1119
- } data16;
1120
- u32 csum = 0;
1121
- s32 alpha_dst_delta, last_alpha_dst_delta;
1122
- u8 *srcxor, *dstxor;
1123
- int i, j;
1124
- u32 per_pixel_copy, two_pixel_copy;
1125
-
1126
- alpha_dst_delta = AST_MAX_HWC_WIDTH << 1;
1127
- last_alpha_dst_delta = alpha_dst_delta - (width << 1);
1128
-
1129
- srcxor = src;
1130
- dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta;
1131
- per_pixel_copy = width & 1;
1132
- two_pixel_copy = width >> 1;
1133
-
1134
- for (j = 0; j < height; j++) {
1135
- for (i = 0; i < two_pixel_copy; i++) {
1136
- srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0;
1137
- srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0;
1138
- data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4);
1139
- data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4);
1140
- data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4);
1141
- data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4);
1142
-
1143
- writel(data32.ul, dstxor);
1144
- csum += data32.ul;
1145
-
1146
- dstxor += 4;
1147
- srcxor += 8;
1148
-
1149
- }
1150
-
1151
- for (i = 0; i < per_pixel_copy; i++) {
1152
- srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0;
1153
- data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4);
1154
- data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4);
1155
- writew(data16.us, dstxor);
1156
- csum += (u32)data16.us;
1157
-
1158
- dstxor += 2;
1159
- srcxor += 4;
1160
- }
1161
- dstxor += last_alpha_dst_delta;
1162
- }
1163
- return csum;
1164
-}
1165
-
1166
-static int ast_cursor_set(struct drm_crtc *crtc,
1167
- struct drm_file *file_priv,
1168
- uint32_t handle,
1169
- uint32_t width,
1170
- uint32_t height)
1171
-{
1172
- struct ast_private *ast = crtc->dev->dev_private;
1173
- struct ast_crtc *ast_crtc = to_ast_crtc(crtc);
1174
- struct drm_gem_object *obj;
1175
- struct ast_bo *bo;
1176
- uint64_t gpu_addr;
1177
- u32 csum;
1178
- int ret;
1179
- struct ttm_bo_kmap_obj uobj_map;
1180
- u8 *src, *dst;
1181
- bool src_isiomem, dst_isiomem;
1182
- if (!handle) {
1183
- ast_hide_cursor(crtc);
1184
- return 0;
1185
- }
1186
-
1187
- if (width > AST_MAX_HWC_WIDTH || height > AST_MAX_HWC_HEIGHT)
1188
- return -EINVAL;
1189
-
1190
- obj = drm_gem_object_lookup(file_priv, handle);
1191
- if (!obj) {
1192
- DRM_ERROR("Cannot find cursor object %x for crtc\n", handle);
1193
- return -ENOENT;
1194
- }
1195
- bo = gem_to_ast_bo(obj);
1196
-
1197
- ret = ast_bo_reserve(bo, false);
1198
- if (ret)
1199
- goto fail;
1200
-
1201
- ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &uobj_map);
1202
-
1203
- src = ttm_kmap_obj_virtual(&uobj_map, &src_isiomem);
1204
- dst = ttm_kmap_obj_virtual(&ast->cache_kmap, &dst_isiomem);
1205
-
1206
- if (src_isiomem == true)
1207
- DRM_ERROR("src cursor bo should be in main memory\n");
1208
- if (dst_isiomem == false)
1209
- DRM_ERROR("dst bo should be in VRAM\n");
1210
-
1211
- dst += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor;
1212
-
1213
- /* do data transfer to cursor cache */
1214
- csum = copy_cursor_image(src, dst, width, height);
1215
-
1216
- /* write checksum + signature */
1217
- ttm_bo_kunmap(&uobj_map);
1218
- ast_bo_unreserve(bo);
1219
- {
1220
- u8 *dst = (u8 *)ast->cache_kmap.virtual + (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor + AST_HWC_SIZE;
1221
- writel(csum, dst);
1222
- writel(width, dst + AST_HWC_SIGNATURE_SizeX);
1223
- writel(height, dst + AST_HWC_SIGNATURE_SizeY);
1224
- writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX);
1225
- writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY);
1226
-
1227
- /* set pattern offset */
1228
- gpu_addr = ast->cursor_cache_gpu_addr;
1229
- gpu_addr += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor;
1230
- gpu_addr >>= 3;
1231
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, gpu_addr & 0xff);
1232
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, (gpu_addr >> 8) & 0xff);
1233
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, (gpu_addr >> 16) & 0xff);
1234
- }
1235
- ast_crtc->cursor_width = width;
1236
- ast_crtc->cursor_height = height;
1237
- ast_crtc->offset_x = AST_MAX_HWC_WIDTH - width;
1238
- ast_crtc->offset_y = AST_MAX_HWC_WIDTH - height;
1239
-
1240
- ast->next_cursor = (ast->next_cursor + 1) % AST_DEFAULT_HWC_NUM;
1241
-
1242
- ast_show_cursor(crtc);
1243
-
1244
- drm_gem_object_put_unlocked(obj);
1245
- return 0;
1246
-fail:
1247
- drm_gem_object_put_unlocked(obj);
1248
- return ret;
1249
-}
1250
-
1251
-static int ast_cursor_move(struct drm_crtc *crtc,
1252
- int x, int y)
1253
-{
1254
- struct ast_crtc *ast_crtc = to_ast_crtc(crtc);
1255
- struct ast_private *ast = crtc->dev->dev_private;
1256
- int x_offset, y_offset;
1257
- u8 *sig;
1258
-
1259
- sig = (u8 *)ast->cache_kmap.virtual + (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor + AST_HWC_SIZE;
1260
- writel(x, sig + AST_HWC_SIGNATURE_X);
1261
- writel(y, sig + AST_HWC_SIGNATURE_Y);
1262
-
1263
- x_offset = ast_crtc->offset_x;
1264
- y_offset = ast_crtc->offset_y;
1265
- if (x < 0) {
1266
- x_offset = (-x) + ast_crtc->offset_x;
1267
- x = 0;
1268
- }
1269
-
1270
- if (y < 0) {
1271
- y_offset = (-y) + ast_crtc->offset_y;
1272
- y = 0;
1273
- }
1274
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset);
1275
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset);
1276
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, (x & 0xff));
1277
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, ((x >> 8) & 0x0f));
1278
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, (y & 0xff));
1279
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, ((y >> 8) & 0x07));
1280
-
1281
- /* dummy write to fire HWC */
1282
- ast_show_cursor(crtc);
1283
-
1284
- return 0;
12851288 }