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771fe6b9 JG |
1 | /* |
2 | * Copyright 2007-8 Advanced Micro Devices, Inc. | |
3 | * Copyright 2008 Red Hat Inc. | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining a | |
6 | * copy of this software and associated documentation files (the "Software"), | |
7 | * to deal in the Software without restriction, including without limitation | |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
9 | * and/or sell copies of the Software, and to permit persons to whom the | |
10 | * Software is furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice shall be included in | |
13 | * all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
19 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
21 | * OTHER DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: Dave Airlie | |
24 | * Alex Deucher | |
25 | */ | |
26 | #include <drm/drmP.h> | |
27 | #include <drm/drm_crtc_helper.h> | |
28 | #include <drm/radeon_drm.h> | |
68adac5e | 29 | #include <drm/drm_fixed.h> |
771fe6b9 | 30 | #include "radeon.h" |
4ce001ab | 31 | #include "atom.h" |
771fe6b9 | 32 | |
6b02af1c AD |
33 | static void radeon_overscan_setup(struct drm_crtc *crtc, |
34 | struct drm_display_mode *mode) | |
35 | { | |
36 | struct drm_device *dev = crtc->dev; | |
37 | struct radeon_device *rdev = dev->dev_private; | |
38 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
39 | ||
40 | WREG32(RADEON_OVR_CLR + radeon_crtc->crtc_offset, 0); | |
41 | WREG32(RADEON_OVR_WID_LEFT_RIGHT + radeon_crtc->crtc_offset, 0); | |
42 | WREG32(RADEON_OVR_WID_TOP_BOTTOM + radeon_crtc->crtc_offset, 0); | |
43 | } | |
44 | ||
c93bb85b | 45 | static void radeon_legacy_rmx_mode_set(struct drm_crtc *crtc, |
310a82c8 | 46 | struct drm_display_mode *mode) |
c93bb85b JG |
47 | { |
48 | struct drm_device *dev = crtc->dev; | |
49 | struct radeon_device *rdev = dev->dev_private; | |
50 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
51 | int xres = mode->hdisplay; | |
52 | int yres = mode->vdisplay; | |
53 | bool hscale = true, vscale = true; | |
54 | int hsync_wid; | |
55 | int vsync_wid; | |
56 | int hsync_start; | |
57 | int blank_width; | |
58 | u32 scale, inc, crtc_more_cntl; | |
59 | u32 fp_horz_stretch, fp_vert_stretch, fp_horz_vert_active; | |
60 | u32 fp_h_sync_strt_wid, fp_crtc_h_total_disp; | |
61 | u32 fp_v_sync_strt_wid, fp_crtc_v_total_disp; | |
de2103e4 | 62 | struct drm_display_mode *native_mode = &radeon_crtc->native_mode; |
c93bb85b JG |
63 | |
64 | fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH) & | |
65 | (RADEON_VERT_STRETCH_RESERVED | | |
66 | RADEON_VERT_AUTO_RATIO_INC); | |
67 | fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH) & | |
68 | (RADEON_HORZ_FP_LOOP_STRETCH | | |
69 | RADEON_HORZ_AUTO_RATIO_INC); | |
70 | ||
71 | crtc_more_cntl = 0; | |
72 | if ((rdev->family == CHIP_RS100) || | |
73 | (rdev->family == CHIP_RS200)) { | |
74 | /* This is to workaround the asic bug for RMX, some versions | |
75 | of BIOS dosen't have this register initialized correctly. */ | |
76 | crtc_more_cntl |= RADEON_CRTC_H_CUTOFF_ACTIVE_EN; | |
77 | } | |
78 | ||
79 | ||
80 | fp_crtc_h_total_disp = ((((mode->crtc_htotal / 8) - 1) & 0x3ff) | |
81 | | ((((mode->crtc_hdisplay / 8) - 1) & 0x1ff) << 16)); | |
82 | ||
83 | hsync_wid = (mode->crtc_hsync_end - mode->crtc_hsync_start) / 8; | |
84 | if (!hsync_wid) | |
85 | hsync_wid = 1; | |
86 | hsync_start = mode->crtc_hsync_start - 8; | |
87 | ||
88 | fp_h_sync_strt_wid = ((hsync_start & 0x1fff) | |
89 | | ((hsync_wid & 0x3f) << 16) | |
90 | | ((mode->flags & DRM_MODE_FLAG_NHSYNC) | |
91 | ? RADEON_CRTC_H_SYNC_POL | |
92 | : 0)); | |
93 | ||
94 | fp_crtc_v_total_disp = (((mode->crtc_vtotal - 1) & 0xffff) | |
95 | | ((mode->crtc_vdisplay - 1) << 16)); | |
96 | ||
97 | vsync_wid = mode->crtc_vsync_end - mode->crtc_vsync_start; | |
98 | if (!vsync_wid) | |
99 | vsync_wid = 1; | |
100 | ||
101 | fp_v_sync_strt_wid = (((mode->crtc_vsync_start - 1) & 0xfff) | |
102 | | ((vsync_wid & 0x1f) << 16) | |
103 | | ((mode->flags & DRM_MODE_FLAG_NVSYNC) | |
104 | ? RADEON_CRTC_V_SYNC_POL | |
105 | : 0)); | |
106 | ||
107 | fp_horz_vert_active = 0; | |
108 | ||
de2103e4 AD |
109 | if (native_mode->hdisplay == 0 || |
110 | native_mode->vdisplay == 0) { | |
c93bb85b JG |
111 | hscale = false; |
112 | vscale = false; | |
113 | } else { | |
de2103e4 AD |
114 | if (xres > native_mode->hdisplay) |
115 | xres = native_mode->hdisplay; | |
116 | if (yres > native_mode->vdisplay) | |
117 | yres = native_mode->vdisplay; | |
c93bb85b | 118 | |
de2103e4 | 119 | if (xres == native_mode->hdisplay) |
c93bb85b | 120 | hscale = false; |
de2103e4 | 121 | if (yres == native_mode->vdisplay) |
c93bb85b JG |
122 | vscale = false; |
123 | } | |
124 | ||
125 | switch (radeon_crtc->rmx_type) { | |
126 | case RMX_FULL: | |
127 | case RMX_ASPECT: | |
128 | if (!hscale) | |
129 | fp_horz_stretch |= ((xres/8-1) << 16); | |
130 | else { | |
131 | inc = (fp_horz_stretch & RADEON_HORZ_AUTO_RATIO_INC) ? 1 : 0; | |
132 | scale = ((xres + inc) * RADEON_HORZ_STRETCH_RATIO_MAX) | |
de2103e4 | 133 | / native_mode->hdisplay + 1; |
c93bb85b JG |
134 | fp_horz_stretch |= (((scale) & RADEON_HORZ_STRETCH_RATIO_MASK) | |
135 | RADEON_HORZ_STRETCH_BLEND | | |
136 | RADEON_HORZ_STRETCH_ENABLE | | |
de2103e4 | 137 | ((native_mode->hdisplay/8-1) << 16)); |
c93bb85b JG |
138 | } |
139 | ||
140 | if (!vscale) | |
141 | fp_vert_stretch |= ((yres-1) << 12); | |
142 | else { | |
143 | inc = (fp_vert_stretch & RADEON_VERT_AUTO_RATIO_INC) ? 1 : 0; | |
144 | scale = ((yres + inc) * RADEON_VERT_STRETCH_RATIO_MAX) | |
de2103e4 | 145 | / native_mode->vdisplay + 1; |
c93bb85b JG |
146 | fp_vert_stretch |= (((scale) & RADEON_VERT_STRETCH_RATIO_MASK) | |
147 | RADEON_VERT_STRETCH_ENABLE | | |
148 | RADEON_VERT_STRETCH_BLEND | | |
de2103e4 | 149 | ((native_mode->vdisplay-1) << 12)); |
c93bb85b JG |
150 | } |
151 | break; | |
152 | case RMX_CENTER: | |
153 | fp_horz_stretch |= ((xres/8-1) << 16); | |
154 | fp_vert_stretch |= ((yres-1) << 12); | |
155 | ||
156 | crtc_more_cntl |= (RADEON_CRTC_AUTO_HORZ_CENTER_EN | | |
157 | RADEON_CRTC_AUTO_VERT_CENTER_EN); | |
158 | ||
159 | blank_width = (mode->crtc_hblank_end - mode->crtc_hblank_start) / 8; | |
160 | if (blank_width > 110) | |
161 | blank_width = 110; | |
162 | ||
163 | fp_crtc_h_total_disp = (((blank_width) & 0x3ff) | |
164 | | ((((mode->crtc_hdisplay / 8) - 1) & 0x1ff) << 16)); | |
165 | ||
166 | hsync_wid = (mode->crtc_hsync_end - mode->crtc_hsync_start) / 8; | |
167 | if (!hsync_wid) | |
168 | hsync_wid = 1; | |
169 | ||
170 | fp_h_sync_strt_wid = ((((mode->crtc_hsync_start - mode->crtc_hblank_start) / 8) & 0x1fff) | |
171 | | ((hsync_wid & 0x3f) << 16) | |
172 | | ((mode->flags & DRM_MODE_FLAG_NHSYNC) | |
173 | ? RADEON_CRTC_H_SYNC_POL | |
174 | : 0)); | |
175 | ||
176 | fp_crtc_v_total_disp = (((mode->crtc_vblank_end - mode->crtc_vblank_start) & 0xffff) | |
177 | | ((mode->crtc_vdisplay - 1) << 16)); | |
178 | ||
179 | vsync_wid = mode->crtc_vsync_end - mode->crtc_vsync_start; | |
180 | if (!vsync_wid) | |
181 | vsync_wid = 1; | |
182 | ||
183 | fp_v_sync_strt_wid = ((((mode->crtc_vsync_start - mode->crtc_vblank_start) & 0xfff) | |
184 | | ((vsync_wid & 0x1f) << 16) | |
185 | | ((mode->flags & DRM_MODE_FLAG_NVSYNC) | |
186 | ? RADEON_CRTC_V_SYNC_POL | |
187 | : 0))); | |
188 | ||
de2103e4 AD |
189 | fp_horz_vert_active = (((native_mode->vdisplay) & 0xfff) | |
190 | (((native_mode->hdisplay / 8) & 0x1ff) << 16)); | |
c93bb85b JG |
191 | break; |
192 | case RMX_OFF: | |
193 | default: | |
194 | fp_horz_stretch |= ((xres/8-1) << 16); | |
195 | fp_vert_stretch |= ((yres-1) << 12); | |
196 | break; | |
197 | } | |
198 | ||
199 | WREG32(RADEON_FP_HORZ_STRETCH, fp_horz_stretch); | |
200 | WREG32(RADEON_FP_VERT_STRETCH, fp_vert_stretch); | |
201 | WREG32(RADEON_CRTC_MORE_CNTL, crtc_more_cntl); | |
202 | WREG32(RADEON_FP_HORZ_VERT_ACTIVE, fp_horz_vert_active); | |
203 | WREG32(RADEON_FP_H_SYNC_STRT_WID, fp_h_sync_strt_wid); | |
204 | WREG32(RADEON_FP_V_SYNC_STRT_WID, fp_v_sync_strt_wid); | |
205 | WREG32(RADEON_FP_CRTC_H_TOTAL_DISP, fp_crtc_h_total_disp); | |
206 | WREG32(RADEON_FP_CRTC_V_TOTAL_DISP, fp_crtc_v_total_disp); | |
207 | } | |
208 | ||
771fe6b9 JG |
209 | void radeon_restore_common_regs(struct drm_device *dev) |
210 | { | |
211 | /* don't need this yet */ | |
212 | } | |
213 | ||
214 | static void radeon_pll_wait_for_read_update_complete(struct drm_device *dev) | |
215 | { | |
216 | struct radeon_device *rdev = dev->dev_private; | |
217 | int i = 0; | |
218 | ||
219 | /* FIXME: Certain revisions of R300 can't recover here. Not sure of | |
220 | the cause yet, but this workaround will mask the problem for now. | |
221 | Other chips usually will pass at the very first test, so the | |
222 | workaround shouldn't have any effect on them. */ | |
223 | for (i = 0; | |
224 | (i < 10000 && | |
225 | RREG32_PLL(RADEON_PPLL_REF_DIV) & RADEON_PPLL_ATOMIC_UPDATE_R); | |
226 | i++); | |
227 | } | |
228 | ||
229 | static void radeon_pll_write_update(struct drm_device *dev) | |
230 | { | |
231 | struct radeon_device *rdev = dev->dev_private; | |
232 | ||
233 | while (RREG32_PLL(RADEON_PPLL_REF_DIV) & RADEON_PPLL_ATOMIC_UPDATE_R); | |
234 | ||
235 | WREG32_PLL_P(RADEON_PPLL_REF_DIV, | |
236 | RADEON_PPLL_ATOMIC_UPDATE_W, | |
237 | ~(RADEON_PPLL_ATOMIC_UPDATE_W)); | |
238 | } | |
239 | ||
240 | static void radeon_pll2_wait_for_read_update_complete(struct drm_device *dev) | |
241 | { | |
242 | struct radeon_device *rdev = dev->dev_private; | |
243 | int i = 0; | |
244 | ||
245 | ||
246 | /* FIXME: Certain revisions of R300 can't recover here. Not sure of | |
247 | the cause yet, but this workaround will mask the problem for now. | |
248 | Other chips usually will pass at the very first test, so the | |
249 | workaround shouldn't have any effect on them. */ | |
250 | for (i = 0; | |
251 | (i < 10000 && | |
252 | RREG32_PLL(RADEON_P2PLL_REF_DIV) & RADEON_P2PLL_ATOMIC_UPDATE_R); | |
253 | i++); | |
254 | } | |
255 | ||
256 | static void radeon_pll2_write_update(struct drm_device *dev) | |
257 | { | |
258 | struct radeon_device *rdev = dev->dev_private; | |
259 | ||
260 | while (RREG32_PLL(RADEON_P2PLL_REF_DIV) & RADEON_P2PLL_ATOMIC_UPDATE_R); | |
261 | ||
262 | WREG32_PLL_P(RADEON_P2PLL_REF_DIV, | |
263 | RADEON_P2PLL_ATOMIC_UPDATE_W, | |
264 | ~(RADEON_P2PLL_ATOMIC_UPDATE_W)); | |
265 | } | |
266 | ||
267 | static uint8_t radeon_compute_pll_gain(uint16_t ref_freq, uint16_t ref_div, | |
268 | uint16_t fb_div) | |
269 | { | |
270 | unsigned int vcoFreq; | |
271 | ||
272 | if (!ref_div) | |
273 | return 1; | |
274 | ||
0537398b | 275 | vcoFreq = ((unsigned)ref_freq * fb_div) / ref_div; |
771fe6b9 JG |
276 | |
277 | /* | |
278 | * This is horribly crude: the VCO frequency range is divided into | |
279 | * 3 parts, each part having a fixed PLL gain value. | |
280 | */ | |
281 | if (vcoFreq >= 30000) | |
282 | /* | |
283 | * [300..max] MHz : 7 | |
284 | */ | |
285 | return 7; | |
286 | else if (vcoFreq >= 18000) | |
287 | /* | |
288 | * [180..300) MHz : 4 | |
289 | */ | |
290 | return 4; | |
291 | else | |
292 | /* | |
293 | * [0..180) MHz : 1 | |
294 | */ | |
295 | return 1; | |
296 | } | |
297 | ||
298 | void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) | |
299 | { | |
300 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
301 | struct drm_device *dev = crtc->dev; | |
302 | struct radeon_device *rdev = dev->dev_private; | |
303 | uint32_t mask; | |
304 | ||
305 | if (radeon_crtc->crtc_id) | |
8de21525 | 306 | mask = (RADEON_CRTC2_DISP_DIS | |
771fe6b9 JG |
307 | RADEON_CRTC2_VSYNC_DIS | |
308 | RADEON_CRTC2_HSYNC_DIS | | |
309 | RADEON_CRTC2_DISP_REQ_EN_B); | |
310 | else | |
311 | mask = (RADEON_CRTC_DISPLAY_DIS | | |
312 | RADEON_CRTC_VSYNC_DIS | | |
313 | RADEON_CRTC_HSYNC_DIS); | |
314 | ||
315 | switch (mode) { | |
316 | case DRM_MODE_DPMS_ON: | |
d7311171 AD |
317 | radeon_crtc->enabled = true; |
318 | /* adjust pm to dpms changes BEFORE enabling crtcs */ | |
319 | radeon_pm_compute_clocks(rdev); | |
771fe6b9 | 320 | if (radeon_crtc->crtc_id) |
8de21525 | 321 | WREG32_P(RADEON_CRTC2_GEN_CNTL, RADEON_CRTC2_EN, ~(RADEON_CRTC2_EN | mask)); |
771fe6b9 JG |
322 | else { |
323 | WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_EN, ~(RADEON_CRTC_EN | | |
324 | RADEON_CRTC_DISP_REQ_EN_B)); | |
325 | WREG32_P(RADEON_CRTC_EXT_CNTL, 0, ~mask); | |
326 | } | |
7ed220d7 MD |
327 | drm_vblank_post_modeset(dev, radeon_crtc->crtc_id); |
328 | radeon_crtc_load_lut(crtc); | |
771fe6b9 JG |
329 | break; |
330 | case DRM_MODE_DPMS_STANDBY: | |
331 | case DRM_MODE_DPMS_SUSPEND: | |
332 | case DRM_MODE_DPMS_OFF: | |
7ed220d7 | 333 | drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id); |
771fe6b9 | 334 | if (radeon_crtc->crtc_id) |
8de21525 | 335 | WREG32_P(RADEON_CRTC2_GEN_CNTL, mask, ~(RADEON_CRTC2_EN | mask)); |
771fe6b9 JG |
336 | else { |
337 | WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B, ~(RADEON_CRTC_EN | | |
338 | RADEON_CRTC_DISP_REQ_EN_B)); | |
339 | WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~mask); | |
340 | } | |
a48b9b4e | 341 | radeon_crtc->enabled = false; |
d7311171 AD |
342 | /* adjust pm to dpms changes AFTER disabling crtcs */ |
343 | radeon_pm_compute_clocks(rdev); | |
771fe6b9 JG |
344 | break; |
345 | } | |
771fe6b9 JG |
346 | } |
347 | ||
771fe6b9 JG |
348 | int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y, |
349 | struct drm_framebuffer *old_fb) | |
4dd19b0d CB |
350 | { |
351 | return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0); | |
352 | } | |
353 | ||
354 | int radeon_crtc_set_base_atomic(struct drm_crtc *crtc, | |
355 | struct drm_framebuffer *fb, | |
21c74a8e | 356 | int x, int y, enum mode_set_atomic state) |
4dd19b0d CB |
357 | { |
358 | return radeon_crtc_do_set_base(crtc, fb, x, y, 1); | |
359 | } | |
360 | ||
361 | int radeon_crtc_do_set_base(struct drm_crtc *crtc, | |
362 | struct drm_framebuffer *fb, | |
363 | int x, int y, int atomic) | |
771fe6b9 JG |
364 | { |
365 | struct drm_device *dev = crtc->dev; | |
366 | struct radeon_device *rdev = dev->dev_private; | |
367 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
368 | struct radeon_framebuffer *radeon_fb; | |
4dd19b0d | 369 | struct drm_framebuffer *target_fb; |
771fe6b9 | 370 | struct drm_gem_object *obj; |
4c788679 | 371 | struct radeon_bo *rbo; |
771fe6b9 JG |
372 | uint64_t base; |
373 | uint32_t crtc_offset, crtc_offset_cntl, crtc_tile_x0_y0 = 0; | |
374 | uint32_t crtc_pitch, pitch_pixels; | |
e024e110 | 375 | uint32_t tiling_flags; |
41456df2 DA |
376 | int format; |
377 | uint32_t gen_cntl_reg, gen_cntl_val; | |
4c788679 | 378 | int r; |
771fe6b9 | 379 | |
d9fdaafb | 380 | DRM_DEBUG_KMS("\n"); |
2de3b484 | 381 | /* no fb bound */ |
4dd19b0d | 382 | if (!atomic && !crtc->fb) { |
d9fdaafb | 383 | DRM_DEBUG_KMS("No FB bound\n"); |
2de3b484 JG |
384 | return 0; |
385 | } | |
771fe6b9 | 386 | |
4dd19b0d CB |
387 | if (atomic) { |
388 | radeon_fb = to_radeon_framebuffer(fb); | |
389 | target_fb = fb; | |
390 | } | |
391 | else { | |
392 | radeon_fb = to_radeon_framebuffer(crtc->fb); | |
393 | target_fb = crtc->fb; | |
394 | } | |
771fe6b9 | 395 | |
4dd19b0d | 396 | switch (target_fb->bits_per_pixel) { |
41456df2 DA |
397 | case 8: |
398 | format = 2; | |
399 | break; | |
400 | case 15: /* 555 */ | |
401 | format = 3; | |
402 | break; | |
403 | case 16: /* 565 */ | |
404 | format = 4; | |
405 | break; | |
406 | case 24: /* RGB */ | |
407 | format = 5; | |
408 | break; | |
409 | case 32: /* xRGB */ | |
410 | format = 6; | |
411 | break; | |
412 | default: | |
413 | return false; | |
414 | } | |
415 | ||
4c788679 | 416 | /* Pin framebuffer & get tilling informations */ |
771fe6b9 | 417 | obj = radeon_fb->obj; |
4c788679 JG |
418 | rbo = obj->driver_private; |
419 | r = radeon_bo_reserve(rbo, false); | |
420 | if (unlikely(r != 0)) | |
421 | return r; | |
422 | r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &base); | |
423 | if (unlikely(r != 0)) { | |
424 | radeon_bo_unreserve(rbo); | |
771fe6b9 JG |
425 | return -EINVAL; |
426 | } | |
4c788679 JG |
427 | radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL); |
428 | radeon_bo_unreserve(rbo); | |
429 | if (tiling_flags & RADEON_TILING_MICRO) | |
430 | DRM_ERROR("trying to scanout microtiled buffer\n"); | |
431 | ||
4162338a DA |
432 | /* if scanout was in GTT this really wouldn't work */ |
433 | /* crtc offset is from display base addr not FB location */ | |
d594e46a | 434 | radeon_crtc->legacy_display_base_addr = rdev->mc.vram_start; |
4162338a DA |
435 | |
436 | base -= radeon_crtc->legacy_display_base_addr; | |
437 | ||
771fe6b9 JG |
438 | crtc_offset_cntl = 0; |
439 | ||
4dd19b0d CB |
440 | pitch_pixels = target_fb->pitch / (target_fb->bits_per_pixel / 8); |
441 | crtc_pitch = (((pitch_pixels * target_fb->bits_per_pixel) + | |
442 | ((target_fb->bits_per_pixel * 8) - 1)) / | |
443 | (target_fb->bits_per_pixel * 8)); | |
771fe6b9 JG |
444 | crtc_pitch |= crtc_pitch << 16; |
445 | ||
e024e110 DA |
446 | |
447 | if (tiling_flags & RADEON_TILING_MACRO) { | |
771fe6b9 JG |
448 | if (ASIC_IS_R300(rdev)) |
449 | crtc_offset_cntl |= (R300_CRTC_X_Y_MODE_EN | | |
450 | R300_CRTC_MICRO_TILE_BUFFER_DIS | | |
451 | R300_CRTC_MACRO_TILE_EN); | |
452 | else | |
453 | crtc_offset_cntl |= RADEON_CRTC_TILE_EN; | |
454 | } else { | |
455 | if (ASIC_IS_R300(rdev)) | |
456 | crtc_offset_cntl &= ~(R300_CRTC_X_Y_MODE_EN | | |
457 | R300_CRTC_MICRO_TILE_BUFFER_DIS | | |
458 | R300_CRTC_MACRO_TILE_EN); | |
459 | else | |
460 | crtc_offset_cntl &= ~RADEON_CRTC_TILE_EN; | |
461 | } | |
462 | ||
e024e110 | 463 | if (tiling_flags & RADEON_TILING_MACRO) { |
771fe6b9 JG |
464 | if (ASIC_IS_R300(rdev)) { |
465 | crtc_tile_x0_y0 = x | (y << 16); | |
466 | base &= ~0x7ff; | |
467 | } else { | |
4dd19b0d | 468 | int byteshift = target_fb->bits_per_pixel >> 4; |
e024e110 | 469 | int tile_addr = (((y >> 3) * pitch_pixels + x) >> (8 - byteshift)) << 11; |
771fe6b9 JG |
470 | base += tile_addr + ((x << byteshift) % 256) + ((y % 8) << 8); |
471 | crtc_offset_cntl |= (y % 16); | |
472 | } | |
473 | } else { | |
474 | int offset = y * pitch_pixels + x; | |
4dd19b0d | 475 | switch (target_fb->bits_per_pixel) { |
41456df2 DA |
476 | case 8: |
477 | offset *= 1; | |
478 | break; | |
771fe6b9 JG |
479 | case 15: |
480 | case 16: | |
481 | offset *= 2; | |
482 | break; | |
483 | case 24: | |
484 | offset *= 3; | |
485 | break; | |
486 | case 32: | |
487 | offset *= 4; | |
488 | break; | |
489 | default: | |
490 | return false; | |
491 | } | |
492 | base += offset; | |
493 | } | |
494 | ||
495 | base &= ~7; | |
496 | ||
41456df2 DA |
497 | if (radeon_crtc->crtc_id == 1) |
498 | gen_cntl_reg = RADEON_CRTC2_GEN_CNTL; | |
499 | else | |
500 | gen_cntl_reg = RADEON_CRTC_GEN_CNTL; | |
501 | ||
502 | gen_cntl_val = RREG32(gen_cntl_reg); | |
503 | gen_cntl_val &= ~(0xf << 8); | |
504 | gen_cntl_val |= (format << 8); | |
505 | WREG32(gen_cntl_reg, gen_cntl_val); | |
506 | ||
771fe6b9 JG |
507 | crtc_offset = (u32)base; |
508 | ||
4162338a | 509 | WREG32(RADEON_DISPLAY_BASE_ADDR + radeon_crtc->crtc_offset, radeon_crtc->legacy_display_base_addr); |
771fe6b9 JG |
510 | |
511 | if (ASIC_IS_R300(rdev)) { | |
512 | if (radeon_crtc->crtc_id) | |
513 | WREG32(R300_CRTC2_TILE_X0_Y0, crtc_tile_x0_y0); | |
514 | else | |
515 | WREG32(R300_CRTC_TILE_X0_Y0, crtc_tile_x0_y0); | |
516 | } | |
517 | WREG32(RADEON_CRTC_OFFSET_CNTL + radeon_crtc->crtc_offset, crtc_offset_cntl); | |
518 | WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, crtc_offset); | |
519 | WREG32(RADEON_CRTC_PITCH + radeon_crtc->crtc_offset, crtc_pitch); | |
520 | ||
4dd19b0d CB |
521 | if (!atomic && fb && fb != crtc->fb) { |
522 | radeon_fb = to_radeon_framebuffer(fb); | |
4c788679 JG |
523 | rbo = radeon_fb->obj->driver_private; |
524 | r = radeon_bo_reserve(rbo, false); | |
525 | if (unlikely(r != 0)) | |
526 | return r; | |
527 | radeon_bo_unpin(rbo); | |
528 | radeon_bo_unreserve(rbo); | |
771fe6b9 | 529 | } |
f30f37de MD |
530 | |
531 | /* Bytes per pixel may have changed */ | |
532 | radeon_bandwidth_update(rdev); | |
533 | ||
771fe6b9 JG |
534 | return 0; |
535 | } | |
536 | ||
537 | static bool radeon_set_crtc_timing(struct drm_crtc *crtc, struct drm_display_mode *mode) | |
538 | { | |
539 | struct drm_device *dev = crtc->dev; | |
540 | struct radeon_device *rdev = dev->dev_private; | |
541 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
4ce001ab | 542 | struct drm_encoder *encoder; |
771fe6b9 JG |
543 | int format; |
544 | int hsync_start; | |
545 | int hsync_wid; | |
546 | int vsync_wid; | |
547 | uint32_t crtc_h_total_disp; | |
548 | uint32_t crtc_h_sync_strt_wid; | |
549 | uint32_t crtc_v_total_disp; | |
550 | uint32_t crtc_v_sync_strt_wid; | |
4ce001ab | 551 | bool is_tv = false; |
771fe6b9 | 552 | |
d9fdaafb | 553 | DRM_DEBUG_KMS("\n"); |
4ce001ab DA |
554 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
555 | if (encoder->crtc == crtc) { | |
556 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | |
557 | if (radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT) { | |
558 | is_tv = true; | |
559 | DRM_INFO("crtc %d is connected to a TV\n", radeon_crtc->crtc_id); | |
560 | break; | |
561 | } | |
562 | } | |
563 | } | |
771fe6b9 JG |
564 | |
565 | switch (crtc->fb->bits_per_pixel) { | |
41456df2 DA |
566 | case 8: |
567 | format = 2; | |
568 | break; | |
771fe6b9 JG |
569 | case 15: /* 555 */ |
570 | format = 3; | |
571 | break; | |
572 | case 16: /* 565 */ | |
573 | format = 4; | |
574 | break; | |
575 | case 24: /* RGB */ | |
576 | format = 5; | |
577 | break; | |
578 | case 32: /* xRGB */ | |
579 | format = 6; | |
580 | break; | |
581 | default: | |
582 | return false; | |
583 | } | |
584 | ||
585 | crtc_h_total_disp = ((((mode->crtc_htotal / 8) - 1) & 0x3ff) | |
586 | | ((((mode->crtc_hdisplay / 8) - 1) & 0x1ff) << 16)); | |
587 | ||
588 | hsync_wid = (mode->crtc_hsync_end - mode->crtc_hsync_start) / 8; | |
589 | if (!hsync_wid) | |
590 | hsync_wid = 1; | |
591 | hsync_start = mode->crtc_hsync_start - 8; | |
592 | ||
593 | crtc_h_sync_strt_wid = ((hsync_start & 0x1fff) | |
594 | | ((hsync_wid & 0x3f) << 16) | |
595 | | ((mode->flags & DRM_MODE_FLAG_NHSYNC) | |
596 | ? RADEON_CRTC_H_SYNC_POL | |
597 | : 0)); | |
598 | ||
599 | /* This works for double scan mode. */ | |
600 | crtc_v_total_disp = (((mode->crtc_vtotal - 1) & 0xffff) | |
601 | | ((mode->crtc_vdisplay - 1) << 16)); | |
602 | ||
603 | vsync_wid = mode->crtc_vsync_end - mode->crtc_vsync_start; | |
604 | if (!vsync_wid) | |
605 | vsync_wid = 1; | |
606 | ||
607 | crtc_v_sync_strt_wid = (((mode->crtc_vsync_start - 1) & 0xfff) | |
608 | | ((vsync_wid & 0x1f) << 16) | |
609 | | ((mode->flags & DRM_MODE_FLAG_NVSYNC) | |
610 | ? RADEON_CRTC_V_SYNC_POL | |
611 | : 0)); | |
612 | ||
771fe6b9 JG |
613 | if (radeon_crtc->crtc_id) { |
614 | uint32_t crtc2_gen_cntl; | |
615 | uint32_t disp2_merge_cntl; | |
616 | ||
ee2215f0 JG |
617 | /* if TV DAC is enabled for another crtc and keep it enabled */ |
618 | crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL) & 0x00718080; | |
771fe6b9 JG |
619 | crtc2_gen_cntl |= ((format << 8) |
620 | | RADEON_CRTC2_VSYNC_DIS | |
621 | | RADEON_CRTC2_HSYNC_DIS | |
622 | | RADEON_CRTC2_DISP_DIS | |
623 | | RADEON_CRTC2_DISP_REQ_EN_B | |
624 | | ((mode->flags & DRM_MODE_FLAG_DBLSCAN) | |
625 | ? RADEON_CRTC2_DBL_SCAN_EN | |
626 | : 0) | |
627 | | ((mode->flags & DRM_MODE_FLAG_CSYNC) | |
628 | ? RADEON_CRTC2_CSYNC_EN | |
629 | : 0) | |
630 | | ((mode->flags & DRM_MODE_FLAG_INTERLACE) | |
631 | ? RADEON_CRTC2_INTERLACE_EN | |
632 | : 0)); | |
633 | ||
d805f50a AD |
634 | /* rs4xx chips seem to like to have the crtc enabled when the timing is set */ |
635 | if ((rdev->family == CHIP_RS400) || (rdev->family == CHIP_RS480)) | |
636 | crtc2_gen_cntl |= RADEON_CRTC2_EN; | |
637 | ||
771fe6b9 JG |
638 | disp2_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL); |
639 | disp2_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN; | |
640 | ||
641 | WREG32(RADEON_DISP2_MERGE_CNTL, disp2_merge_cntl); | |
642 | WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl); | |
1b4d7d75 AD |
643 | |
644 | WREG32(RADEON_FP_H2_SYNC_STRT_WID, crtc_h_sync_strt_wid); | |
645 | WREG32(RADEON_FP_V2_SYNC_STRT_WID, crtc_v_sync_strt_wid); | |
771fe6b9 JG |
646 | } else { |
647 | uint32_t crtc_gen_cntl; | |
648 | uint32_t crtc_ext_cntl; | |
649 | uint32_t disp_merge_cntl; | |
650 | ||
ee2215f0 JG |
651 | crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL) & 0x00718000; |
652 | crtc_gen_cntl |= (RADEON_CRTC_EXT_DISP_EN | |
771fe6b9 JG |
653 | | (format << 8) |
654 | | RADEON_CRTC_DISP_REQ_EN_B | |
655 | | ((mode->flags & DRM_MODE_FLAG_DBLSCAN) | |
656 | ? RADEON_CRTC_DBL_SCAN_EN | |
657 | : 0) | |
658 | | ((mode->flags & DRM_MODE_FLAG_CSYNC) | |
659 | ? RADEON_CRTC_CSYNC_EN | |
660 | : 0) | |
661 | | ((mode->flags & DRM_MODE_FLAG_INTERLACE) | |
662 | ? RADEON_CRTC_INTERLACE_EN | |
663 | : 0)); | |
664 | ||
d805f50a AD |
665 | /* rs4xx chips seem to like to have the crtc enabled when the timing is set */ |
666 | if ((rdev->family == CHIP_RS400) || (rdev->family == CHIP_RS480)) | |
667 | crtc_gen_cntl |= RADEON_CRTC_EN; | |
668 | ||
771fe6b9 JG |
669 | crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL); |
670 | crtc_ext_cntl |= (RADEON_XCRT_CNT_EN | | |
671 | RADEON_CRTC_VSYNC_DIS | | |
672 | RADEON_CRTC_HSYNC_DIS | | |
673 | RADEON_CRTC_DISPLAY_DIS); | |
674 | ||
675 | disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL); | |
676 | disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN; | |
677 | ||
678 | WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl); | |
679 | WREG32(RADEON_CRTC_GEN_CNTL, crtc_gen_cntl); | |
680 | WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl); | |
681 | } | |
682 | ||
4ce001ab DA |
683 | if (is_tv) |
684 | radeon_legacy_tv_adjust_crtc_reg(encoder, &crtc_h_total_disp, | |
685 | &crtc_h_sync_strt_wid, &crtc_v_total_disp, | |
686 | &crtc_v_sync_strt_wid); | |
687 | ||
771fe6b9 JG |
688 | WREG32(RADEON_CRTC_H_TOTAL_DISP + radeon_crtc->crtc_offset, crtc_h_total_disp); |
689 | WREG32(RADEON_CRTC_H_SYNC_STRT_WID + radeon_crtc->crtc_offset, crtc_h_sync_strt_wid); | |
690 | WREG32(RADEON_CRTC_V_TOTAL_DISP + radeon_crtc->crtc_offset, crtc_v_total_disp); | |
691 | WREG32(RADEON_CRTC_V_SYNC_STRT_WID + radeon_crtc->crtc_offset, crtc_v_sync_strt_wid); | |
692 | ||
693 | return true; | |
694 | } | |
695 | ||
696 | static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode) | |
697 | { | |
698 | struct drm_device *dev = crtc->dev; | |
699 | struct radeon_device *rdev = dev->dev_private; | |
700 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
701 | struct drm_encoder *encoder; | |
702 | uint32_t feedback_div = 0; | |
703 | uint32_t frac_fb_div = 0; | |
704 | uint32_t reference_div = 0; | |
705 | uint32_t post_divider = 0; | |
706 | uint32_t freq = 0; | |
707 | uint8_t pll_gain; | |
771fe6b9 JG |
708 | bool use_bios_divs = false; |
709 | /* PLL registers */ | |
710 | uint32_t pll_ref_div = 0; | |
711 | uint32_t pll_fb_post_div = 0; | |
712 | uint32_t htotal_cntl = 0; | |
4ce001ab | 713 | bool is_tv = false; |
771fe6b9 JG |
714 | struct radeon_pll *pll; |
715 | ||
716 | struct { | |
717 | int divider; | |
718 | int bitvalue; | |
719 | } *post_div, post_divs[] = { | |
720 | /* From RAGE 128 VR/RAGE 128 GL Register | |
721 | * Reference Manual (Technical Reference | |
722 | * Manual P/N RRG-G04100-C Rev. 0.04), page | |
723 | * 3-17 (PLL_DIV_[3:0]). | |
724 | */ | |
725 | { 1, 0 }, /* VCLK_SRC */ | |
726 | { 2, 1 }, /* VCLK_SRC/2 */ | |
727 | { 4, 2 }, /* VCLK_SRC/4 */ | |
728 | { 8, 3 }, /* VCLK_SRC/8 */ | |
729 | { 3, 4 }, /* VCLK_SRC/3 */ | |
730 | { 16, 5 }, /* VCLK_SRC/16 */ | |
731 | { 6, 6 }, /* VCLK_SRC/6 */ | |
732 | { 12, 7 }, /* VCLK_SRC/12 */ | |
733 | { 0, 0 } | |
734 | }; | |
735 | ||
736 | if (radeon_crtc->crtc_id) | |
737 | pll = &rdev->clock.p2pll; | |
738 | else | |
739 | pll = &rdev->clock.p1pll; | |
740 | ||
fc10332b | 741 | pll->flags = RADEON_PLL_LEGACY; |
771fe6b9 | 742 | |
5480f727 DA |
743 | if (mode->clock > 200000) /* range limits??? */ |
744 | pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; | |
745 | else | |
746 | pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV; | |
747 | ||
771fe6b9 JG |
748 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
749 | if (encoder->crtc == crtc) { | |
4ce001ab DA |
750 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); |
751 | ||
752 | if (radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT) { | |
753 | is_tv = true; | |
754 | break; | |
755 | } | |
756 | ||
771fe6b9 | 757 | if (encoder->encoder_type != DRM_MODE_ENCODER_DAC) |
fc10332b | 758 | pll->flags |= RADEON_PLL_NO_ODD_POST_DIV; |
771fe6b9 | 759 | if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS) { |
4c4f5413 AD |
760 | if (!rdev->is_atom_bios) { |
761 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | |
762 | struct radeon_encoder_lvds *lvds = (struct radeon_encoder_lvds *)radeon_encoder->enc_priv; | |
763 | if (lvds) { | |
764 | if (lvds->use_bios_dividers) { | |
765 | pll_ref_div = lvds->panel_ref_divider; | |
766 | pll_fb_post_div = (lvds->panel_fb_divider | | |
767 | (lvds->panel_post_divider << 16)); | |
768 | htotal_cntl = 0; | |
769 | use_bios_divs = true; | |
770 | } | |
771fe6b9 JG |
771 | } |
772 | } | |
fc10332b | 773 | pll->flags |= RADEON_PLL_USE_REF_DIV; |
771fe6b9 JG |
774 | } |
775 | } | |
776 | } | |
777 | ||
d9fdaafb | 778 | DRM_DEBUG_KMS("\n"); |
771fe6b9 JG |
779 | |
780 | if (!use_bios_divs) { | |
f523f74e AD |
781 | radeon_compute_pll_legacy(pll, mode->clock, |
782 | &freq, &feedback_div, &frac_fb_div, | |
783 | &reference_div, &post_divider); | |
771fe6b9 JG |
784 | |
785 | for (post_div = &post_divs[0]; post_div->divider; ++post_div) { | |
786 | if (post_div->divider == post_divider) | |
787 | break; | |
788 | } | |
789 | ||
790 | if (!post_div->divider) | |
791 | post_div = &post_divs[0]; | |
792 | ||
d9fdaafb | 793 | DRM_DEBUG_KMS("dc=%u, fd=%d, rd=%d, pd=%d\n", |
771fe6b9 JG |
794 | (unsigned)freq, |
795 | feedback_div, | |
796 | reference_div, | |
797 | post_divider); | |
798 | ||
799 | pll_ref_div = reference_div; | |
800 | #if defined(__powerpc__) && (0) /* TODO */ | |
801 | /* apparently programming this otherwise causes a hang??? */ | |
802 | if (info->MacModel == RADEON_MAC_IBOOK) | |
803 | pll_fb_post_div = 0x000600ad; | |
804 | else | |
805 | #endif | |
806 | pll_fb_post_div = (feedback_div | (post_div->bitvalue << 16)); | |
807 | ||
808 | htotal_cntl = mode->htotal & 0x7; | |
809 | ||
810 | } | |
811 | ||
812 | pll_gain = radeon_compute_pll_gain(pll->reference_freq, | |
813 | pll_ref_div & 0x3ff, | |
814 | pll_fb_post_div & 0x7ff); | |
815 | ||
816 | if (radeon_crtc->crtc_id) { | |
817 | uint32_t pixclks_cntl = ((RREG32_PLL(RADEON_PIXCLKS_CNTL) & | |
818 | ~(RADEON_PIX2CLK_SRC_SEL_MASK)) | | |
819 | RADEON_PIX2CLK_SRC_SEL_P2PLLCLK); | |
820 | ||
4ce001ab DA |
821 | if (is_tv) { |
822 | radeon_legacy_tv_adjust_pll2(encoder, &htotal_cntl, | |
823 | &pll_ref_div, &pll_fb_post_div, | |
824 | &pixclks_cntl); | |
825 | } | |
826 | ||
771fe6b9 JG |
827 | WREG32_PLL_P(RADEON_PIXCLKS_CNTL, |
828 | RADEON_PIX2CLK_SRC_SEL_CPUCLK, | |
829 | ~(RADEON_PIX2CLK_SRC_SEL_MASK)); | |
830 | ||
831 | WREG32_PLL_P(RADEON_P2PLL_CNTL, | |
832 | RADEON_P2PLL_RESET | |
833 | | RADEON_P2PLL_ATOMIC_UPDATE_EN | |
834 | | ((uint32_t)pll_gain << RADEON_P2PLL_PVG_SHIFT), | |
835 | ~(RADEON_P2PLL_RESET | |
836 | | RADEON_P2PLL_ATOMIC_UPDATE_EN | |
837 | | RADEON_P2PLL_PVG_MASK)); | |
838 | ||
839 | WREG32_PLL_P(RADEON_P2PLL_REF_DIV, | |
840 | pll_ref_div, | |
841 | ~RADEON_P2PLL_REF_DIV_MASK); | |
842 | ||
843 | WREG32_PLL_P(RADEON_P2PLL_DIV_0, | |
844 | pll_fb_post_div, | |
845 | ~RADEON_P2PLL_FB0_DIV_MASK); | |
846 | ||
847 | WREG32_PLL_P(RADEON_P2PLL_DIV_0, | |
848 | pll_fb_post_div, | |
849 | ~RADEON_P2PLL_POST0_DIV_MASK); | |
850 | ||
851 | radeon_pll2_write_update(dev); | |
852 | radeon_pll2_wait_for_read_update_complete(dev); | |
853 | ||
854 | WREG32_PLL(RADEON_HTOTAL2_CNTL, htotal_cntl); | |
855 | ||
856 | WREG32_PLL_P(RADEON_P2PLL_CNTL, | |
857 | 0, | |
858 | ~(RADEON_P2PLL_RESET | |
859 | | RADEON_P2PLL_SLEEP | |
860 | | RADEON_P2PLL_ATOMIC_UPDATE_EN)); | |
861 | ||
d9fdaafb | 862 | DRM_DEBUG_KMS("Wrote2: 0x%08x 0x%08x 0x%08x (0x%08x)\n", |
771fe6b9 JG |
863 | (unsigned)pll_ref_div, |
864 | (unsigned)pll_fb_post_div, | |
865 | (unsigned)htotal_cntl, | |
866 | RREG32_PLL(RADEON_P2PLL_CNTL)); | |
d9fdaafb | 867 | DRM_DEBUG_KMS("Wrote2: rd=%u, fd=%u, pd=%u\n", |
771fe6b9 JG |
868 | (unsigned)pll_ref_div & RADEON_P2PLL_REF_DIV_MASK, |
869 | (unsigned)pll_fb_post_div & RADEON_P2PLL_FB0_DIV_MASK, | |
870 | (unsigned)((pll_fb_post_div & | |
871 | RADEON_P2PLL_POST0_DIV_MASK) >> 16)); | |
872 | ||
873 | mdelay(50); /* Let the clock to lock */ | |
874 | ||
875 | WREG32_PLL_P(RADEON_PIXCLKS_CNTL, | |
876 | RADEON_PIX2CLK_SRC_SEL_P2PLLCLK, | |
877 | ~(RADEON_PIX2CLK_SRC_SEL_MASK)); | |
878 | ||
879 | WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl); | |
880 | } else { | |
4ce001ab DA |
881 | uint32_t pixclks_cntl; |
882 | ||
883 | ||
884 | if (is_tv) { | |
885 | pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL); | |
886 | radeon_legacy_tv_adjust_pll1(encoder, &htotal_cntl, &pll_ref_div, | |
887 | &pll_fb_post_div, &pixclks_cntl); | |
888 | } | |
889 | ||
771fe6b9 JG |
890 | if (rdev->flags & RADEON_IS_MOBILITY) { |
891 | /* A temporal workaround for the occational blanking on certain laptop panels. | |
892 | This appears to related to the PLL divider registers (fail to lock?). | |
893 | It occurs even when all dividers are the same with their old settings. | |
894 | In this case we really don't need to fiddle with PLL registers. | |
895 | By doing this we can avoid the blanking problem with some panels. | |
896 | */ | |
897 | if ((pll_ref_div == (RREG32_PLL(RADEON_PPLL_REF_DIV) & RADEON_PPLL_REF_DIV_MASK)) && | |
898 | (pll_fb_post_div == (RREG32_PLL(RADEON_PPLL_DIV_3) & | |
899 | (RADEON_PPLL_POST3_DIV_MASK | RADEON_PPLL_FB3_DIV_MASK)))) { | |
900 | WREG32_P(RADEON_CLOCK_CNTL_INDEX, | |
901 | RADEON_PLL_DIV_SEL, | |
902 | ~(RADEON_PLL_DIV_SEL)); | |
903 | r100_pll_errata_after_index(rdev); | |
904 | return; | |
905 | } | |
906 | } | |
907 | ||
908 | WREG32_PLL_P(RADEON_VCLK_ECP_CNTL, | |
909 | RADEON_VCLK_SRC_SEL_CPUCLK, | |
910 | ~(RADEON_VCLK_SRC_SEL_MASK)); | |
911 | WREG32_PLL_P(RADEON_PPLL_CNTL, | |
912 | RADEON_PPLL_RESET | |
913 | | RADEON_PPLL_ATOMIC_UPDATE_EN | |
914 | | RADEON_PPLL_VGA_ATOMIC_UPDATE_EN | |
915 | | ((uint32_t)pll_gain << RADEON_PPLL_PVG_SHIFT), | |
916 | ~(RADEON_PPLL_RESET | |
917 | | RADEON_PPLL_ATOMIC_UPDATE_EN | |
918 | | RADEON_PPLL_VGA_ATOMIC_UPDATE_EN | |
919 | | RADEON_PPLL_PVG_MASK)); | |
920 | ||
921 | WREG32_P(RADEON_CLOCK_CNTL_INDEX, | |
922 | RADEON_PLL_DIV_SEL, | |
923 | ~(RADEON_PLL_DIV_SEL)); | |
924 | r100_pll_errata_after_index(rdev); | |
925 | ||
926 | if (ASIC_IS_R300(rdev) || | |
927 | (rdev->family == CHIP_RS300) || | |
928 | (rdev->family == CHIP_RS400) || | |
929 | (rdev->family == CHIP_RS480)) { | |
930 | if (pll_ref_div & R300_PPLL_REF_DIV_ACC_MASK) { | |
931 | /* When restoring console mode, use saved PPLL_REF_DIV | |
932 | * setting. | |
933 | */ | |
934 | WREG32_PLL_P(RADEON_PPLL_REF_DIV, | |
935 | pll_ref_div, | |
936 | 0); | |
937 | } else { | |
938 | /* R300 uses ref_div_acc field as real ref divider */ | |
939 | WREG32_PLL_P(RADEON_PPLL_REF_DIV, | |
940 | (pll_ref_div << R300_PPLL_REF_DIV_ACC_SHIFT), | |
941 | ~R300_PPLL_REF_DIV_ACC_MASK); | |
942 | } | |
943 | } else | |
944 | WREG32_PLL_P(RADEON_PPLL_REF_DIV, | |
945 | pll_ref_div, | |
946 | ~RADEON_PPLL_REF_DIV_MASK); | |
947 | ||
948 | WREG32_PLL_P(RADEON_PPLL_DIV_3, | |
949 | pll_fb_post_div, | |
950 | ~RADEON_PPLL_FB3_DIV_MASK); | |
951 | ||
952 | WREG32_PLL_P(RADEON_PPLL_DIV_3, | |
953 | pll_fb_post_div, | |
954 | ~RADEON_PPLL_POST3_DIV_MASK); | |
955 | ||
956 | radeon_pll_write_update(dev); | |
957 | radeon_pll_wait_for_read_update_complete(dev); | |
958 | ||
959 | WREG32_PLL(RADEON_HTOTAL_CNTL, htotal_cntl); | |
960 | ||
961 | WREG32_PLL_P(RADEON_PPLL_CNTL, | |
962 | 0, | |
963 | ~(RADEON_PPLL_RESET | |
964 | | RADEON_PPLL_SLEEP | |
965 | | RADEON_PPLL_ATOMIC_UPDATE_EN | |
966 | | RADEON_PPLL_VGA_ATOMIC_UPDATE_EN)); | |
967 | ||
d9fdaafb | 968 | DRM_DEBUG_KMS("Wrote: 0x%08x 0x%08x 0x%08x (0x%08x)\n", |
771fe6b9 JG |
969 | pll_ref_div, |
970 | pll_fb_post_div, | |
971 | (unsigned)htotal_cntl, | |
972 | RREG32_PLL(RADEON_PPLL_CNTL)); | |
d9fdaafb | 973 | DRM_DEBUG_KMS("Wrote: rd=%d, fd=%d, pd=%d\n", |
771fe6b9 JG |
974 | pll_ref_div & RADEON_PPLL_REF_DIV_MASK, |
975 | pll_fb_post_div & RADEON_PPLL_FB3_DIV_MASK, | |
976 | (pll_fb_post_div & RADEON_PPLL_POST3_DIV_MASK) >> 16); | |
977 | ||
978 | mdelay(50); /* Let the clock to lock */ | |
979 | ||
980 | WREG32_PLL_P(RADEON_VCLK_ECP_CNTL, | |
981 | RADEON_VCLK_SRC_SEL_PPLLCLK, | |
982 | ~(RADEON_VCLK_SRC_SEL_MASK)); | |
983 | ||
4ce001ab DA |
984 | if (is_tv) |
985 | WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl); | |
771fe6b9 JG |
986 | } |
987 | } | |
988 | ||
989 | static bool radeon_crtc_mode_fixup(struct drm_crtc *crtc, | |
990 | struct drm_display_mode *mode, | |
991 | struct drm_display_mode *adjusted_mode) | |
992 | { | |
03214bd5 AD |
993 | struct drm_device *dev = crtc->dev; |
994 | struct radeon_device *rdev = dev->dev_private; | |
995 | ||
996 | /* adjust pm to upcoming mode change */ | |
997 | radeon_pm_compute_clocks(rdev); | |
998 | ||
c93bb85b JG |
999 | if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode)) |
1000 | return false; | |
771fe6b9 JG |
1001 | return true; |
1002 | } | |
1003 | ||
1004 | static int radeon_crtc_mode_set(struct drm_crtc *crtc, | |
1005 | struct drm_display_mode *mode, | |
1006 | struct drm_display_mode *adjusted_mode, | |
1007 | int x, int y, struct drm_framebuffer *old_fb) | |
1008 | { | |
c93bb85b | 1009 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
771fe6b9 JG |
1010 | |
1011 | /* TODO TV */ | |
771fe6b9 JG |
1012 | radeon_crtc_set_base(crtc, x, y, old_fb); |
1013 | radeon_set_crtc_timing(crtc, adjusted_mode); | |
1014 | radeon_set_pll(crtc, adjusted_mode); | |
6b02af1c | 1015 | radeon_overscan_setup(crtc, adjusted_mode); |
c93bb85b | 1016 | if (radeon_crtc->crtc_id == 0) { |
310a82c8 | 1017 | radeon_legacy_rmx_mode_set(crtc, adjusted_mode); |
c93bb85b JG |
1018 | } else { |
1019 | if (radeon_crtc->rmx_type != RMX_OFF) { | |
1020 | /* FIXME: only first crtc has rmx what should we | |
1021 | * do ? | |
1022 | */ | |
1023 | DRM_ERROR("Mode need scaling but only first crtc can do that.\n"); | |
1024 | } | |
1025 | } | |
771fe6b9 JG |
1026 | return 0; |
1027 | } | |
1028 | ||
1029 | static void radeon_crtc_prepare(struct drm_crtc *crtc) | |
1030 | { | |
ec51efa9 PO |
1031 | struct drm_device *dev = crtc->dev; |
1032 | struct drm_crtc *crtci; | |
1033 | ||
1034 | /* | |
1035 | * The hardware wedges sometimes if you reconfigure one CRTC | |
1036 | * whilst another is running (see fdo bug #24611). | |
1037 | */ | |
1038 | list_for_each_entry(crtci, &dev->mode_config.crtc_list, head) | |
1039 | radeon_crtc_dpms(crtci, DRM_MODE_DPMS_OFF); | |
771fe6b9 JG |
1040 | } |
1041 | ||
1042 | static void radeon_crtc_commit(struct drm_crtc *crtc) | |
1043 | { | |
ec51efa9 PO |
1044 | struct drm_device *dev = crtc->dev; |
1045 | struct drm_crtc *crtci; | |
1046 | ||
1047 | /* | |
1048 | * Reenable the CRTCs that should be running. | |
1049 | */ | |
1050 | list_for_each_entry(crtci, &dev->mode_config.crtc_list, head) { | |
1051 | if (crtci->enabled) | |
1052 | radeon_crtc_dpms(crtci, DRM_MODE_DPMS_ON); | |
1053 | } | |
771fe6b9 JG |
1054 | } |
1055 | ||
1056 | static const struct drm_crtc_helper_funcs legacy_helper_funcs = { | |
1057 | .dpms = radeon_crtc_dpms, | |
1058 | .mode_fixup = radeon_crtc_mode_fixup, | |
1059 | .mode_set = radeon_crtc_mode_set, | |
1060 | .mode_set_base = radeon_crtc_set_base, | |
4dd19b0d | 1061 | .mode_set_base_atomic = radeon_crtc_set_base_atomic, |
771fe6b9 JG |
1062 | .prepare = radeon_crtc_prepare, |
1063 | .commit = radeon_crtc_commit, | |
068143d3 | 1064 | .load_lut = radeon_crtc_load_lut, |
771fe6b9 JG |
1065 | }; |
1066 | ||
1067 | ||
1068 | void radeon_legacy_init_crtc(struct drm_device *dev, | |
1069 | struct radeon_crtc *radeon_crtc) | |
1070 | { | |
1071 | if (radeon_crtc->crtc_id == 1) | |
1072 | radeon_crtc->crtc_offset = RADEON_CRTC2_H_TOTAL_DISP - RADEON_CRTC_H_TOTAL_DISP; | |
1073 | drm_crtc_helper_add(&radeon_crtc->base, &legacy_helper_funcs); | |
1074 | } |