1 /*
2  * Copyright 2011 Advanced Micro Devices, 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  * Authors: Alex Deucher
23  */
24 
25 #include "radeon.h"
26 #include "radeon_asic.h"
27 #include "r600d.h"
28 #include "r600_dpm.h"
29 #include "atom.h"
30 
31 const u32 r600_utc[R600_PM_NUMBER_OF_TC] =
32 {
33 	R600_UTC_DFLT_00,
34 	R600_UTC_DFLT_01,
35 	R600_UTC_DFLT_02,
36 	R600_UTC_DFLT_03,
37 	R600_UTC_DFLT_04,
38 	R600_UTC_DFLT_05,
39 	R600_UTC_DFLT_06,
40 	R600_UTC_DFLT_07,
41 	R600_UTC_DFLT_08,
42 	R600_UTC_DFLT_09,
43 	R600_UTC_DFLT_10,
44 	R600_UTC_DFLT_11,
45 	R600_UTC_DFLT_12,
46 	R600_UTC_DFLT_13,
47 	R600_UTC_DFLT_14,
48 };
49 
50 const u32 r600_dtc[R600_PM_NUMBER_OF_TC] =
51 {
52 	R600_DTC_DFLT_00,
53 	R600_DTC_DFLT_01,
54 	R600_DTC_DFLT_02,
55 	R600_DTC_DFLT_03,
56 	R600_DTC_DFLT_04,
57 	R600_DTC_DFLT_05,
58 	R600_DTC_DFLT_06,
59 	R600_DTC_DFLT_07,
60 	R600_DTC_DFLT_08,
61 	R600_DTC_DFLT_09,
62 	R600_DTC_DFLT_10,
63 	R600_DTC_DFLT_11,
64 	R600_DTC_DFLT_12,
65 	R600_DTC_DFLT_13,
66 	R600_DTC_DFLT_14,
67 };
68 
r600_dpm_print_class_info(u32 class,u32 class2)69 void r600_dpm_print_class_info(u32 class, u32 class2)
70 {
71 	const char *s;
72 
73 	switch (class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) {
74 	case ATOM_PPLIB_CLASSIFICATION_UI_NONE:
75 	default:
76 		s = "none";
77 		break;
78 	case ATOM_PPLIB_CLASSIFICATION_UI_BATTERY:
79 		s = "battery";
80 		break;
81 	case ATOM_PPLIB_CLASSIFICATION_UI_BALANCED:
82 		s = "balanced";
83 		break;
84 	case ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE:
85 		s = "performance";
86 		break;
87 	}
88 	printk("\tui class: %s\n", s);
89 
90 	printk("\tinternal class:");
91 	if (((class & ~ATOM_PPLIB_CLASSIFICATION_UI_MASK) == 0) &&
92 	    (class2 == 0))
93 		pr_cont(" none");
94 	else {
95 		if (class & ATOM_PPLIB_CLASSIFICATION_BOOT)
96 			pr_cont(" boot");
97 		if (class & ATOM_PPLIB_CLASSIFICATION_THERMAL)
98 			pr_cont(" thermal");
99 		if (class & ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE)
100 			pr_cont(" limited_pwr");
101 		if (class & ATOM_PPLIB_CLASSIFICATION_REST)
102 			pr_cont(" rest");
103 		if (class & ATOM_PPLIB_CLASSIFICATION_FORCED)
104 			pr_cont(" forced");
105 		if (class & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE)
106 			pr_cont(" 3d_perf");
107 		if (class & ATOM_PPLIB_CLASSIFICATION_OVERDRIVETEMPLATE)
108 			pr_cont(" ovrdrv");
109 		if (class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
110 			pr_cont(" uvd");
111 		if (class & ATOM_PPLIB_CLASSIFICATION_3DLOW)
112 			pr_cont(" 3d_low");
113 		if (class & ATOM_PPLIB_CLASSIFICATION_ACPI)
114 			pr_cont(" acpi");
115 		if (class & ATOM_PPLIB_CLASSIFICATION_HD2STATE)
116 			pr_cont(" uvd_hd2");
117 		if (class & ATOM_PPLIB_CLASSIFICATION_HDSTATE)
118 			pr_cont(" uvd_hd");
119 		if (class & ATOM_PPLIB_CLASSIFICATION_SDSTATE)
120 			pr_cont(" uvd_sd");
121 		if (class2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2)
122 			pr_cont(" limited_pwr2");
123 		if (class2 & ATOM_PPLIB_CLASSIFICATION2_ULV)
124 			pr_cont(" ulv");
125 		if (class2 & ATOM_PPLIB_CLASSIFICATION2_MVC)
126 			pr_cont(" uvd_mvc");
127 	}
128 	pr_cont("\n");
129 }
130 
r600_dpm_print_cap_info(u32 caps)131 void r600_dpm_print_cap_info(u32 caps)
132 {
133 	printk("\tcaps:");
134 	if (caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY)
135 		pr_cont(" single_disp");
136 	if (caps & ATOM_PPLIB_SUPPORTS_VIDEO_PLAYBACK)
137 		pr_cont(" video");
138 	if (caps & ATOM_PPLIB_DISALLOW_ON_DC)
139 		pr_cont(" no_dc");
140 	pr_cont("\n");
141 }
142 
r600_dpm_print_ps_status(struct radeon_device * rdev,struct radeon_ps * rps)143 void r600_dpm_print_ps_status(struct radeon_device *rdev,
144 			      struct radeon_ps *rps)
145 {
146 	printk("\tstatus:");
147 	if (rps == rdev->pm.dpm.current_ps)
148 		pr_cont(" c");
149 	if (rps == rdev->pm.dpm.requested_ps)
150 		pr_cont(" r");
151 	if (rps == rdev->pm.dpm.boot_ps)
152 		pr_cont(" b");
153 	pr_cont("\n");
154 }
155 
r600_dpm_get_vblank_time(struct radeon_device * rdev)156 u32 r600_dpm_get_vblank_time(struct radeon_device *rdev)
157 {
158 	struct drm_device *dev = rdev->ddev;
159 	struct drm_crtc *crtc;
160 	struct radeon_crtc *radeon_crtc;
161 	u32 vblank_in_pixels;
162 	u32 vblank_time_us = 0xffffffff; /* if the displays are off, vblank time is max */
163 
164 	if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
165 		list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
166 			radeon_crtc = to_radeon_crtc(crtc);
167 			if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
168 				vblank_in_pixels =
169 					radeon_crtc->hw_mode.crtc_htotal *
170 					(radeon_crtc->hw_mode.crtc_vblank_end -
171 					 radeon_crtc->hw_mode.crtc_vdisplay +
172 					 (radeon_crtc->v_border * 2));
173 
174 				vblank_time_us = vblank_in_pixels * 1000 / radeon_crtc->hw_mode.clock;
175 				break;
176 			}
177 		}
178 	}
179 
180 	return vblank_time_us;
181 }
182 
r600_dpm_get_vrefresh(struct radeon_device * rdev)183 u32 r600_dpm_get_vrefresh(struct radeon_device *rdev)
184 {
185 	struct drm_device *dev = rdev->ddev;
186 	struct drm_crtc *crtc;
187 	struct radeon_crtc *radeon_crtc;
188 	u32 vrefresh = 0;
189 
190 	if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
191 		list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
192 			radeon_crtc = to_radeon_crtc(crtc);
193 			if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
194 				vrefresh = drm_mode_vrefresh(&radeon_crtc->hw_mode);
195 				break;
196 			}
197 		}
198 	}
199 	return vrefresh;
200 }
201 
r600_calculate_u_and_p(u32 i,u32 r_c,u32 p_b,u32 * p,u32 * u)202 void r600_calculate_u_and_p(u32 i, u32 r_c, u32 p_b,
203 			    u32 *p, u32 *u)
204 {
205 	u32 b_c = 0;
206 	u32 i_c;
207 	u32 tmp;
208 
209 	i_c = (i * r_c) / 100;
210 	tmp = i_c >> p_b;
211 
212 	while (tmp) {
213 		b_c++;
214 		tmp >>= 1;
215 	}
216 
217 	*u = (b_c + 1) / 2;
218 	*p = i_c / (1 << (2 * (*u)));
219 }
220 
r600_calculate_at(u32 t,u32 h,u32 fh,u32 fl,u32 * tl,u32 * th)221 int r600_calculate_at(u32 t, u32 h, u32 fh, u32 fl, u32 *tl, u32 *th)
222 {
223 	u32 k, a, ah, al;
224 	u32 t1;
225 
226 	if ((fl == 0) || (fh == 0) || (fl > fh))
227 		return -EINVAL;
228 
229 	k = (100 * fh) / fl;
230 	t1 = (t * (k - 100));
231 	a = (1000 * (100 * h + t1)) / (10000 + (t1 / 100));
232 	a = (a + 5) / 10;
233 	ah = ((a * t) + 5000) / 10000;
234 	al = a - ah;
235 
236 	*th = t - ah;
237 	*tl = t + al;
238 
239 	return 0;
240 }
241 
r600_gfx_clockgating_enable(struct radeon_device * rdev,bool enable)242 void r600_gfx_clockgating_enable(struct radeon_device *rdev, bool enable)
243 {
244 	int i;
245 
246 	if (enable) {
247 		WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN);
248 	} else {
249 		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN);
250 
251 		WREG32(CG_RLC_REQ_AND_RSP, 0x2);
252 
253 		for (i = 0; i < rdev->usec_timeout; i++) {
254 			if (((RREG32(CG_RLC_REQ_AND_RSP) & CG_RLC_RSP_TYPE_MASK) >> CG_RLC_RSP_TYPE_SHIFT) == 1)
255 				break;
256 			udelay(1);
257 		}
258 
259 		WREG32(CG_RLC_REQ_AND_RSP, 0x0);
260 
261 		WREG32(GRBM_PWR_CNTL, 0x1);
262 		RREG32(GRBM_PWR_CNTL);
263 	}
264 }
265 
r600_dynamicpm_enable(struct radeon_device * rdev,bool enable)266 void r600_dynamicpm_enable(struct radeon_device *rdev, bool enable)
267 {
268 	if (enable)
269 		WREG32_P(GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, ~GLOBAL_PWRMGT_EN);
270 	else
271 		WREG32_P(GENERAL_PWRMGT, 0, ~GLOBAL_PWRMGT_EN);
272 }
273 
r600_enable_thermal_protection(struct radeon_device * rdev,bool enable)274 void r600_enable_thermal_protection(struct radeon_device *rdev, bool enable)
275 {
276 	if (enable)
277 		WREG32_P(GENERAL_PWRMGT, 0, ~THERMAL_PROTECTION_DIS);
278 	else
279 		WREG32_P(GENERAL_PWRMGT, THERMAL_PROTECTION_DIS, ~THERMAL_PROTECTION_DIS);
280 }
281 
r600_enable_acpi_pm(struct radeon_device * rdev)282 void r600_enable_acpi_pm(struct radeon_device *rdev)
283 {
284 	WREG32_P(GENERAL_PWRMGT, STATIC_PM_EN, ~STATIC_PM_EN);
285 }
286 
r600_enable_dynamic_pcie_gen2(struct radeon_device * rdev,bool enable)287 void r600_enable_dynamic_pcie_gen2(struct radeon_device *rdev, bool enable)
288 {
289 	if (enable)
290 		WREG32_P(GENERAL_PWRMGT, ENABLE_GEN2PCIE, ~ENABLE_GEN2PCIE);
291 	else
292 		WREG32_P(GENERAL_PWRMGT, 0, ~ENABLE_GEN2PCIE);
293 }
294 
r600_dynamicpm_enabled(struct radeon_device * rdev)295 bool r600_dynamicpm_enabled(struct radeon_device *rdev)
296 {
297 	if (RREG32(GENERAL_PWRMGT) & GLOBAL_PWRMGT_EN)
298 		return true;
299 	else
300 		return false;
301 }
302 
r600_enable_sclk_control(struct radeon_device * rdev,bool enable)303 void r600_enable_sclk_control(struct radeon_device *rdev, bool enable)
304 {
305 	if (enable)
306 		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~SCLK_PWRMGT_OFF);
307 	else
308 		WREG32_P(SCLK_PWRMGT_CNTL, SCLK_PWRMGT_OFF, ~SCLK_PWRMGT_OFF);
309 }
310 
r600_enable_mclk_control(struct radeon_device * rdev,bool enable)311 void r600_enable_mclk_control(struct radeon_device *rdev, bool enable)
312 {
313 	if (enable)
314 		WREG32_P(MCLK_PWRMGT_CNTL, 0, ~MPLL_PWRMGT_OFF);
315 	else
316 		WREG32_P(MCLK_PWRMGT_CNTL, MPLL_PWRMGT_OFF, ~MPLL_PWRMGT_OFF);
317 }
318 
r600_enable_spll_bypass(struct radeon_device * rdev,bool enable)319 void r600_enable_spll_bypass(struct radeon_device *rdev, bool enable)
320 {
321 	if (enable)
322 		WREG32_P(CG_SPLL_FUNC_CNTL, SPLL_BYPASS_EN, ~SPLL_BYPASS_EN);
323 	else
324 		WREG32_P(CG_SPLL_FUNC_CNTL, 0, ~SPLL_BYPASS_EN);
325 }
326 
r600_wait_for_spll_change(struct radeon_device * rdev)327 void r600_wait_for_spll_change(struct radeon_device *rdev)
328 {
329 	int i;
330 
331 	for (i = 0; i < rdev->usec_timeout; i++) {
332 		if (RREG32(CG_SPLL_FUNC_CNTL) & SPLL_CHG_STATUS)
333 			break;
334 		udelay(1);
335 	}
336 }
337 
r600_set_bsp(struct radeon_device * rdev,u32 u,u32 p)338 void r600_set_bsp(struct radeon_device *rdev, u32 u, u32 p)
339 {
340 	WREG32(CG_BSP, BSP(p) | BSU(u));
341 }
342 
r600_set_at(struct radeon_device * rdev,u32 l_to_m,u32 m_to_h,u32 h_to_m,u32 m_to_l)343 void r600_set_at(struct radeon_device *rdev,
344 		 u32 l_to_m, u32 m_to_h,
345 		 u32 h_to_m, u32 m_to_l)
346 {
347 	WREG32(CG_RT, FLS(l_to_m) | FMS(m_to_h));
348 	WREG32(CG_LT, FHS(h_to_m) | FMS(m_to_l));
349 }
350 
r600_set_tc(struct radeon_device * rdev,u32 index,u32 u_t,u32 d_t)351 void r600_set_tc(struct radeon_device *rdev,
352 		 u32 index, u32 u_t, u32 d_t)
353 {
354 	WREG32(CG_FFCT_0 + (index * 4), UTC_0(u_t) | DTC_0(d_t));
355 }
356 
r600_select_td(struct radeon_device * rdev,enum r600_td td)357 void r600_select_td(struct radeon_device *rdev,
358 		    enum r600_td td)
359 {
360 	if (td == R600_TD_AUTO)
361 		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_FORCE_TREND_SEL);
362 	else
363 		WREG32_P(SCLK_PWRMGT_CNTL, FIR_FORCE_TREND_SEL, ~FIR_FORCE_TREND_SEL);
364 	if (td == R600_TD_UP)
365 		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_TREND_MODE);
366 	if (td == R600_TD_DOWN)
367 		WREG32_P(SCLK_PWRMGT_CNTL, FIR_TREND_MODE, ~FIR_TREND_MODE);
368 }
369 
r600_set_vrc(struct radeon_device * rdev,u32 vrv)370 void r600_set_vrc(struct radeon_device *rdev, u32 vrv)
371 {
372 	WREG32(CG_FTV, vrv);
373 }
374 
r600_set_tpu(struct radeon_device * rdev,u32 u)375 void r600_set_tpu(struct radeon_device *rdev, u32 u)
376 {
377 	WREG32_P(CG_TPC, TPU(u), ~TPU_MASK);
378 }
379 
r600_set_tpc(struct radeon_device * rdev,u32 c)380 void r600_set_tpc(struct radeon_device *rdev, u32 c)
381 {
382 	WREG32_P(CG_TPC, TPCC(c), ~TPCC_MASK);
383 }
384 
r600_set_sstu(struct radeon_device * rdev,u32 u)385 void r600_set_sstu(struct radeon_device *rdev, u32 u)
386 {
387 	WREG32_P(CG_SSP, CG_SSTU(u), ~CG_SSTU_MASK);
388 }
389 
r600_set_sst(struct radeon_device * rdev,u32 t)390 void r600_set_sst(struct radeon_device *rdev, u32 t)
391 {
392 	WREG32_P(CG_SSP, CG_SST(t), ~CG_SST_MASK);
393 }
394 
r600_set_git(struct radeon_device * rdev,u32 t)395 void r600_set_git(struct radeon_device *rdev, u32 t)
396 {
397 	WREG32_P(CG_GIT, CG_GICST(t), ~CG_GICST_MASK);
398 }
399 
r600_set_fctu(struct radeon_device * rdev,u32 u)400 void r600_set_fctu(struct radeon_device *rdev, u32 u)
401 {
402 	WREG32_P(CG_FC_T, FC_TU(u), ~FC_TU_MASK);
403 }
404 
r600_set_fct(struct radeon_device * rdev,u32 t)405 void r600_set_fct(struct radeon_device *rdev, u32 t)
406 {
407 	WREG32_P(CG_FC_T, FC_T(t), ~FC_T_MASK);
408 }
409 
r600_set_ctxcgtt3d_rphc(struct radeon_device * rdev,u32 p)410 void r600_set_ctxcgtt3d_rphc(struct radeon_device *rdev, u32 p)
411 {
412 	WREG32_P(CG_CTX_CGTT3D_R, PHC(p), ~PHC_MASK);
413 }
414 
r600_set_ctxcgtt3d_rsdc(struct radeon_device * rdev,u32 s)415 void r600_set_ctxcgtt3d_rsdc(struct radeon_device *rdev, u32 s)
416 {
417 	WREG32_P(CG_CTX_CGTT3D_R, SDC(s), ~SDC_MASK);
418 }
419 
r600_set_vddc3d_oorsu(struct radeon_device * rdev,u32 u)420 void r600_set_vddc3d_oorsu(struct radeon_device *rdev, u32 u)
421 {
422 	WREG32_P(CG_VDDC3D_OOR, SU(u), ~SU_MASK);
423 }
424 
r600_set_vddc3d_oorphc(struct radeon_device * rdev,u32 p)425 void r600_set_vddc3d_oorphc(struct radeon_device *rdev, u32 p)
426 {
427 	WREG32_P(CG_VDDC3D_OOR, PHC(p), ~PHC_MASK);
428 }
429 
r600_set_vddc3d_oorsdc(struct radeon_device * rdev,u32 s)430 void r600_set_vddc3d_oorsdc(struct radeon_device *rdev, u32 s)
431 {
432 	WREG32_P(CG_VDDC3D_OOR, SDC(s), ~SDC_MASK);
433 }
434 
r600_set_mpll_lock_time(struct radeon_device * rdev,u32 lock_time)435 void r600_set_mpll_lock_time(struct radeon_device *rdev, u32 lock_time)
436 {
437 	WREG32_P(MPLL_TIME, MPLL_LOCK_TIME(lock_time), ~MPLL_LOCK_TIME_MASK);
438 }
439 
r600_set_mpll_reset_time(struct radeon_device * rdev,u32 reset_time)440 void r600_set_mpll_reset_time(struct radeon_device *rdev, u32 reset_time)
441 {
442 	WREG32_P(MPLL_TIME, MPLL_RESET_TIME(reset_time), ~MPLL_RESET_TIME_MASK);
443 }
444 
r600_engine_clock_entry_enable(struct radeon_device * rdev,u32 index,bool enable)445 void r600_engine_clock_entry_enable(struct radeon_device *rdev,
446 				    u32 index, bool enable)
447 {
448 	if (enable)
449 		WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
450 			 STEP_0_SPLL_ENTRY_VALID, ~STEP_0_SPLL_ENTRY_VALID);
451 	else
452 		WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
453 			 0, ~STEP_0_SPLL_ENTRY_VALID);
454 }
455 
r600_engine_clock_entry_enable_pulse_skipping(struct radeon_device * rdev,u32 index,bool enable)456 void r600_engine_clock_entry_enable_pulse_skipping(struct radeon_device *rdev,
457 						   u32 index, bool enable)
458 {
459 	if (enable)
460 		WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
461 			 STEP_0_SPLL_STEP_ENABLE, ~STEP_0_SPLL_STEP_ENABLE);
462 	else
463 		WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
464 			 0, ~STEP_0_SPLL_STEP_ENABLE);
465 }
466 
r600_engine_clock_entry_enable_post_divider(struct radeon_device * rdev,u32 index,bool enable)467 void r600_engine_clock_entry_enable_post_divider(struct radeon_device *rdev,
468 						 u32 index, bool enable)
469 {
470 	if (enable)
471 		WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
472 			 STEP_0_POST_DIV_EN, ~STEP_0_POST_DIV_EN);
473 	else
474 		WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
475 			 0, ~STEP_0_POST_DIV_EN);
476 }
477 
r600_engine_clock_entry_set_post_divider(struct radeon_device * rdev,u32 index,u32 divider)478 void r600_engine_clock_entry_set_post_divider(struct radeon_device *rdev,
479 					      u32 index, u32 divider)
480 {
481 	WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
482 		 STEP_0_SPLL_POST_DIV(divider), ~STEP_0_SPLL_POST_DIV_MASK);
483 }
484 
r600_engine_clock_entry_set_reference_divider(struct radeon_device * rdev,u32 index,u32 divider)485 void r600_engine_clock_entry_set_reference_divider(struct radeon_device *rdev,
486 						   u32 index, u32 divider)
487 {
488 	WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
489 		 STEP_0_SPLL_REF_DIV(divider), ~STEP_0_SPLL_REF_DIV_MASK);
490 }
491 
r600_engine_clock_entry_set_feedback_divider(struct radeon_device * rdev,u32 index,u32 divider)492 void r600_engine_clock_entry_set_feedback_divider(struct radeon_device *rdev,
493 						  u32 index, u32 divider)
494 {
495 	WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
496 		 STEP_0_SPLL_FB_DIV(divider), ~STEP_0_SPLL_FB_DIV_MASK);
497 }
498 
r600_engine_clock_entry_set_step_time(struct radeon_device * rdev,u32 index,u32 step_time)499 void r600_engine_clock_entry_set_step_time(struct radeon_device *rdev,
500 					   u32 index, u32 step_time)
501 {
502 	WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
503 		 STEP_0_SPLL_STEP_TIME(step_time), ~STEP_0_SPLL_STEP_TIME_MASK);
504 }
505 
r600_vid_rt_set_ssu(struct radeon_device * rdev,u32 u)506 void r600_vid_rt_set_ssu(struct radeon_device *rdev, u32 u)
507 {
508 	WREG32_P(VID_RT, SSTU(u), ~SSTU_MASK);
509 }
510 
r600_vid_rt_set_vru(struct radeon_device * rdev,u32 u)511 void r600_vid_rt_set_vru(struct radeon_device *rdev, u32 u)
512 {
513 	WREG32_P(VID_RT, VID_CRTU(u), ~VID_CRTU_MASK);
514 }
515 
r600_vid_rt_set_vrt(struct radeon_device * rdev,u32 rt)516 void r600_vid_rt_set_vrt(struct radeon_device *rdev, u32 rt)
517 {
518 	WREG32_P(VID_RT, VID_CRT(rt), ~VID_CRT_MASK);
519 }
520 
r600_voltage_control_enable_pins(struct radeon_device * rdev,u64 mask)521 void r600_voltage_control_enable_pins(struct radeon_device *rdev,
522 				      u64 mask)
523 {
524 	WREG32(LOWER_GPIO_ENABLE, mask & 0xffffffff);
525 	WREG32(UPPER_GPIO_ENABLE, upper_32_bits(mask));
526 }
527 
528 
r600_voltage_control_program_voltages(struct radeon_device * rdev,enum r600_power_level index,u64 pins)529 void r600_voltage_control_program_voltages(struct radeon_device *rdev,
530 					   enum r600_power_level index, u64 pins)
531 {
532 	u32 tmp, mask;
533 	u32 ix = 3 - (3 & index);
534 
535 	WREG32(CTXSW_VID_LOWER_GPIO_CNTL + (ix * 4), pins & 0xffffffff);
536 
537 	mask = 7 << (3 * ix);
538 	tmp = RREG32(VID_UPPER_GPIO_CNTL);
539 	tmp = (tmp & ~mask) | ((pins >> (32 - (3 * ix))) & mask);
540 	WREG32(VID_UPPER_GPIO_CNTL, tmp);
541 }
542 
r600_voltage_control_deactivate_static_control(struct radeon_device * rdev,u64 mask)543 void r600_voltage_control_deactivate_static_control(struct radeon_device *rdev,
544 						    u64 mask)
545 {
546 	u32 gpio;
547 
548 	gpio = RREG32(GPIOPAD_MASK);
549 	gpio &= ~mask;
550 	WREG32(GPIOPAD_MASK, gpio);
551 
552 	gpio = RREG32(GPIOPAD_EN);
553 	gpio &= ~mask;
554 	WREG32(GPIOPAD_EN, gpio);
555 
556 	gpio = RREG32(GPIOPAD_A);
557 	gpio &= ~mask;
558 	WREG32(GPIOPAD_A, gpio);
559 }
560 
r600_power_level_enable(struct radeon_device * rdev,enum r600_power_level index,bool enable)561 void r600_power_level_enable(struct radeon_device *rdev,
562 			     enum r600_power_level index, bool enable)
563 {
564 	u32 ix = 3 - (3 & index);
565 
566 	if (enable)
567 		WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), CTXSW_FREQ_STATE_ENABLE,
568 			 ~CTXSW_FREQ_STATE_ENABLE);
569 	else
570 		WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), 0,
571 			 ~CTXSW_FREQ_STATE_ENABLE);
572 }
573 
r600_power_level_set_voltage_index(struct radeon_device * rdev,enum r600_power_level index,u32 voltage_index)574 void r600_power_level_set_voltage_index(struct radeon_device *rdev,
575 					enum r600_power_level index, u32 voltage_index)
576 {
577 	u32 ix = 3 - (3 & index);
578 
579 	WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4),
580 		 CTXSW_FREQ_VIDS_CFG_INDEX(voltage_index), ~CTXSW_FREQ_VIDS_CFG_INDEX_MASK);
581 }
582 
r600_power_level_set_mem_clock_index(struct radeon_device * rdev,enum r600_power_level index,u32 mem_clock_index)583 void r600_power_level_set_mem_clock_index(struct radeon_device *rdev,
584 					  enum r600_power_level index, u32 mem_clock_index)
585 {
586 	u32 ix = 3 - (3 & index);
587 
588 	WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4),
589 		 CTXSW_FREQ_MCLK_CFG_INDEX(mem_clock_index), ~CTXSW_FREQ_MCLK_CFG_INDEX_MASK);
590 }
591 
r600_power_level_set_eng_clock_index(struct radeon_device * rdev,enum r600_power_level index,u32 eng_clock_index)592 void r600_power_level_set_eng_clock_index(struct radeon_device *rdev,
593 					  enum r600_power_level index, u32 eng_clock_index)
594 {
595 	u32 ix = 3 - (3 & index);
596 
597 	WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4),
598 		 CTXSW_FREQ_SCLK_CFG_INDEX(eng_clock_index), ~CTXSW_FREQ_SCLK_CFG_INDEX_MASK);
599 }
600 
r600_power_level_set_watermark_id(struct radeon_device * rdev,enum r600_power_level index,enum r600_display_watermark watermark_id)601 void r600_power_level_set_watermark_id(struct radeon_device *rdev,
602 				       enum r600_power_level index,
603 				       enum r600_display_watermark watermark_id)
604 {
605 	u32 ix = 3 - (3 & index);
606 	u32 tmp = 0;
607 
608 	if (watermark_id == R600_DISPLAY_WATERMARK_HIGH)
609 		tmp = CTXSW_FREQ_DISPLAY_WATERMARK;
610 	WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), tmp, ~CTXSW_FREQ_DISPLAY_WATERMARK);
611 }
612 
r600_power_level_set_pcie_gen2(struct radeon_device * rdev,enum r600_power_level index,bool compatible)613 void r600_power_level_set_pcie_gen2(struct radeon_device *rdev,
614 				    enum r600_power_level index, bool compatible)
615 {
616 	u32 ix = 3 - (3 & index);
617 	u32 tmp = 0;
618 
619 	if (compatible)
620 		tmp = CTXSW_FREQ_GEN2PCIE_VOLT;
621 	WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), tmp, ~CTXSW_FREQ_GEN2PCIE_VOLT);
622 }
623 
r600_power_level_get_current_index(struct radeon_device * rdev)624 enum r600_power_level r600_power_level_get_current_index(struct radeon_device *rdev)
625 {
626 	u32 tmp;
627 
628 	tmp = RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK;
629 	tmp >>= CURRENT_PROFILE_INDEX_SHIFT;
630 	return tmp;
631 }
632 
r600_power_level_get_target_index(struct radeon_device * rdev)633 enum r600_power_level r600_power_level_get_target_index(struct radeon_device *rdev)
634 {
635 	u32 tmp;
636 
637 	tmp = RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & TARGET_PROFILE_INDEX_MASK;
638 	tmp >>= TARGET_PROFILE_INDEX_SHIFT;
639 	return tmp;
640 }
641 
r600_power_level_set_enter_index(struct radeon_device * rdev,enum r600_power_level index)642 void r600_power_level_set_enter_index(struct radeon_device *rdev,
643 				      enum r600_power_level index)
644 {
645 	WREG32_P(TARGET_AND_CURRENT_PROFILE_INDEX, DYN_PWR_ENTER_INDEX(index),
646 		 ~DYN_PWR_ENTER_INDEX_MASK);
647 }
648 
r600_wait_for_power_level_unequal(struct radeon_device * rdev,enum r600_power_level index)649 void r600_wait_for_power_level_unequal(struct radeon_device *rdev,
650 				       enum r600_power_level index)
651 {
652 	int i;
653 
654 	for (i = 0; i < rdev->usec_timeout; i++) {
655 		if (r600_power_level_get_target_index(rdev) != index)
656 			break;
657 		udelay(1);
658 	}
659 
660 	for (i = 0; i < rdev->usec_timeout; i++) {
661 		if (r600_power_level_get_current_index(rdev) != index)
662 			break;
663 		udelay(1);
664 	}
665 }
666 
r600_wait_for_power_level(struct radeon_device * rdev,enum r600_power_level index)667 void r600_wait_for_power_level(struct radeon_device *rdev,
668 			       enum r600_power_level index)
669 {
670 	int i;
671 
672 	for (i = 0; i < rdev->usec_timeout; i++) {
673 		if (r600_power_level_get_target_index(rdev) == index)
674 			break;
675 		udelay(1);
676 	}
677 
678 	for (i = 0; i < rdev->usec_timeout; i++) {
679 		if (r600_power_level_get_current_index(rdev) == index)
680 			break;
681 		udelay(1);
682 	}
683 }
684 
r600_start_dpm(struct radeon_device * rdev)685 void r600_start_dpm(struct radeon_device *rdev)
686 {
687 	r600_enable_sclk_control(rdev, false);
688 	r600_enable_mclk_control(rdev, false);
689 
690 	r600_dynamicpm_enable(rdev, true);
691 
692 	radeon_wait_for_vblank(rdev, 0);
693 	radeon_wait_for_vblank(rdev, 1);
694 
695 	r600_enable_spll_bypass(rdev, true);
696 	r600_wait_for_spll_change(rdev);
697 	r600_enable_spll_bypass(rdev, false);
698 	r600_wait_for_spll_change(rdev);
699 
700 	r600_enable_spll_bypass(rdev, true);
701 	r600_wait_for_spll_change(rdev);
702 	r600_enable_spll_bypass(rdev, false);
703 	r600_wait_for_spll_change(rdev);
704 
705 	r600_enable_sclk_control(rdev, true);
706 	r600_enable_mclk_control(rdev, true);
707 }
708 
r600_stop_dpm(struct radeon_device * rdev)709 void r600_stop_dpm(struct radeon_device *rdev)
710 {
711 	r600_dynamicpm_enable(rdev, false);
712 }
713 
r600_dpm_pre_set_power_state(struct radeon_device * rdev)714 int r600_dpm_pre_set_power_state(struct radeon_device *rdev)
715 {
716 	return 0;
717 }
718 
r600_dpm_post_set_power_state(struct radeon_device * rdev)719 void r600_dpm_post_set_power_state(struct radeon_device *rdev)
720 {
721 
722 }
723 
r600_is_uvd_state(u32 class,u32 class2)724 bool r600_is_uvd_state(u32 class, u32 class2)
725 {
726 	if (class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
727 		return true;
728 	if (class & ATOM_PPLIB_CLASSIFICATION_HD2STATE)
729 		return true;
730 	if (class & ATOM_PPLIB_CLASSIFICATION_HDSTATE)
731 		return true;
732 	if (class & ATOM_PPLIB_CLASSIFICATION_SDSTATE)
733 		return true;
734 	if (class2 & ATOM_PPLIB_CLASSIFICATION2_MVC)
735 		return true;
736 	return false;
737 }
738 
r600_set_thermal_temperature_range(struct radeon_device * rdev,int min_temp,int max_temp)739 static int r600_set_thermal_temperature_range(struct radeon_device *rdev,
740 					      int min_temp, int max_temp)
741 {
742 	int low_temp = 0 * 1000;
743 	int high_temp = 255 * 1000;
744 
745 	if (low_temp < min_temp)
746 		low_temp = min_temp;
747 	if (high_temp > max_temp)
748 		high_temp = max_temp;
749 	if (high_temp < low_temp) {
750 		DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
751 		return -EINVAL;
752 	}
753 
754 	WREG32_P(CG_THERMAL_INT, DIG_THERM_INTH(high_temp / 1000), ~DIG_THERM_INTH_MASK);
755 	WREG32_P(CG_THERMAL_INT, DIG_THERM_INTL(low_temp / 1000), ~DIG_THERM_INTL_MASK);
756 	WREG32_P(CG_THERMAL_CTRL, DIG_THERM_DPM(high_temp / 1000), ~DIG_THERM_DPM_MASK);
757 
758 	rdev->pm.dpm.thermal.min_temp = low_temp;
759 	rdev->pm.dpm.thermal.max_temp = high_temp;
760 
761 	return 0;
762 }
763 
r600_is_internal_thermal_sensor(enum radeon_int_thermal_type sensor)764 bool r600_is_internal_thermal_sensor(enum radeon_int_thermal_type sensor)
765 {
766 	switch (sensor) {
767 	case THERMAL_TYPE_RV6XX:
768 	case THERMAL_TYPE_RV770:
769 	case THERMAL_TYPE_EVERGREEN:
770 	case THERMAL_TYPE_SUMO:
771 	case THERMAL_TYPE_NI:
772 	case THERMAL_TYPE_SI:
773 	case THERMAL_TYPE_CI:
774 	case THERMAL_TYPE_KV:
775 		return true;
776 	case THERMAL_TYPE_ADT7473_WITH_INTERNAL:
777 	case THERMAL_TYPE_EMC2103_WITH_INTERNAL:
778 		return false; /* need special handling */
779 	case THERMAL_TYPE_NONE:
780 	case THERMAL_TYPE_EXTERNAL:
781 	case THERMAL_TYPE_EXTERNAL_GPIO:
782 	default:
783 		return false;
784 	}
785 }
786 
r600_dpm_late_enable(struct radeon_device * rdev)787 int r600_dpm_late_enable(struct radeon_device *rdev)
788 {
789 	int ret;
790 
791 	if (rdev->irq.installed &&
792 	    r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
793 		ret = r600_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
794 		if (ret)
795 			return ret;
796 		rdev->irq.dpm_thermal = true;
797 		radeon_irq_set(rdev);
798 	}
799 
800 	return 0;
801 }
802 
803 union power_info {
804 	struct _ATOM_POWERPLAY_INFO info;
805 	struct _ATOM_POWERPLAY_INFO_V2 info_2;
806 	struct _ATOM_POWERPLAY_INFO_V3 info_3;
807 	struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
808 	struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
809 	struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
810 	struct _ATOM_PPLIB_POWERPLAYTABLE4 pplib4;
811 	struct _ATOM_PPLIB_POWERPLAYTABLE5 pplib5;
812 };
813 
814 union fan_info {
815 	struct _ATOM_PPLIB_FANTABLE fan;
816 	struct _ATOM_PPLIB_FANTABLE2 fan2;
817 	struct _ATOM_PPLIB_FANTABLE3 fan3;
818 };
819 
r600_parse_clk_voltage_dep_table(struct radeon_clock_voltage_dependency_table * radeon_table,ATOM_PPLIB_Clock_Voltage_Dependency_Table * atom_table)820 static int r600_parse_clk_voltage_dep_table(struct radeon_clock_voltage_dependency_table *radeon_table,
821 					    ATOM_PPLIB_Clock_Voltage_Dependency_Table *atom_table)
822 {
823 	int i;
824 	ATOM_PPLIB_Clock_Voltage_Dependency_Record *entry;
825 
826 	radeon_table->entries = kcalloc(atom_table->ucNumEntries,
827 					sizeof(struct radeon_clock_voltage_dependency_entry),
828 					GFP_KERNEL);
829 	if (!radeon_table->entries)
830 		return -ENOMEM;
831 
832 	entry = &atom_table->entries[0];
833 	for (i = 0; i < atom_table->ucNumEntries; i++) {
834 		radeon_table->entries[i].clk = le16_to_cpu(entry->usClockLow) |
835 			(entry->ucClockHigh << 16);
836 		radeon_table->entries[i].v = le16_to_cpu(entry->usVoltage);
837 		entry = (ATOM_PPLIB_Clock_Voltage_Dependency_Record *)
838 			((u8 *)entry + sizeof(ATOM_PPLIB_Clock_Voltage_Dependency_Record));
839 	}
840 	radeon_table->count = atom_table->ucNumEntries;
841 
842 	return 0;
843 }
844 
r600_get_platform_caps(struct radeon_device * rdev)845 int r600_get_platform_caps(struct radeon_device *rdev)
846 {
847 	struct radeon_mode_info *mode_info = &rdev->mode_info;
848 	union power_info *power_info;
849 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
850 	u16 data_offset;
851 	u8 frev, crev;
852 
853 	if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
854 				   &frev, &crev, &data_offset))
855 		return -EINVAL;
856 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
857 
858 	rdev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
859 	rdev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
860 	rdev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
861 
862 	return 0;
863 }
864 
865 /* sizeof(ATOM_PPLIB_EXTENDEDHEADER) */
866 #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2 12
867 #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3 14
868 #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4 16
869 #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5 18
870 #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6 20
871 #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7 22
872 
r600_parse_extended_power_table(struct radeon_device * rdev)873 int r600_parse_extended_power_table(struct radeon_device *rdev)
874 {
875 	struct radeon_mode_info *mode_info = &rdev->mode_info;
876 	union power_info *power_info;
877 	union fan_info *fan_info;
878 	ATOM_PPLIB_Clock_Voltage_Dependency_Table *dep_table;
879 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
880 	u16 data_offset;
881 	u8 frev, crev;
882 	int ret, i;
883 
884 	if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
885 				   &frev, &crev, &data_offset))
886 		return -EINVAL;
887 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
888 
889 	/* fan table */
890 	if (le16_to_cpu(power_info->pplib.usTableSize) >=
891 	    sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE3)) {
892 		if (power_info->pplib3.usFanTableOffset) {
893 			fan_info = (union fan_info *)(mode_info->atom_context->bios + data_offset +
894 						      le16_to_cpu(power_info->pplib3.usFanTableOffset));
895 			rdev->pm.dpm.fan.t_hyst = fan_info->fan.ucTHyst;
896 			rdev->pm.dpm.fan.t_min = le16_to_cpu(fan_info->fan.usTMin);
897 			rdev->pm.dpm.fan.t_med = le16_to_cpu(fan_info->fan.usTMed);
898 			rdev->pm.dpm.fan.t_high = le16_to_cpu(fan_info->fan.usTHigh);
899 			rdev->pm.dpm.fan.pwm_min = le16_to_cpu(fan_info->fan.usPWMMin);
900 			rdev->pm.dpm.fan.pwm_med = le16_to_cpu(fan_info->fan.usPWMMed);
901 			rdev->pm.dpm.fan.pwm_high = le16_to_cpu(fan_info->fan.usPWMHigh);
902 			if (fan_info->fan.ucFanTableFormat >= 2)
903 				rdev->pm.dpm.fan.t_max = le16_to_cpu(fan_info->fan2.usTMax);
904 			else
905 				rdev->pm.dpm.fan.t_max = 10900;
906 			rdev->pm.dpm.fan.cycle_delay = 100000;
907 			if (fan_info->fan.ucFanTableFormat >= 3) {
908 				rdev->pm.dpm.fan.control_mode = fan_info->fan3.ucFanControlMode;
909 				rdev->pm.dpm.fan.default_max_fan_pwm =
910 					le16_to_cpu(fan_info->fan3.usFanPWMMax);
911 				rdev->pm.dpm.fan.default_fan_output_sensitivity = 4836;
912 				rdev->pm.dpm.fan.fan_output_sensitivity =
913 					le16_to_cpu(fan_info->fan3.usFanOutputSensitivity);
914 			}
915 			rdev->pm.dpm.fan.ucode_fan_control = true;
916 		}
917 	}
918 
919 	/* clock dependancy tables, shedding tables */
920 	if (le16_to_cpu(power_info->pplib.usTableSize) >=
921 	    sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE4)) {
922 		if (power_info->pplib4.usVddcDependencyOnSCLKOffset) {
923 			dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
924 				(mode_info->atom_context->bios + data_offset +
925 				 le16_to_cpu(power_info->pplib4.usVddcDependencyOnSCLKOffset));
926 			ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
927 							       dep_table);
928 			if (ret)
929 				return ret;
930 		}
931 		if (power_info->pplib4.usVddciDependencyOnMCLKOffset) {
932 			dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
933 				(mode_info->atom_context->bios + data_offset +
934 				 le16_to_cpu(power_info->pplib4.usVddciDependencyOnMCLKOffset));
935 			ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
936 							       dep_table);
937 			if (ret) {
938 				kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
939 				return ret;
940 			}
941 		}
942 		if (power_info->pplib4.usVddcDependencyOnMCLKOffset) {
943 			dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
944 				(mode_info->atom_context->bios + data_offset +
945 				 le16_to_cpu(power_info->pplib4.usVddcDependencyOnMCLKOffset));
946 			ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
947 							       dep_table);
948 			if (ret) {
949 				kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
950 				kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
951 				return ret;
952 			}
953 		}
954 		if (power_info->pplib4.usMvddDependencyOnMCLKOffset) {
955 			dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
956 				(mode_info->atom_context->bios + data_offset +
957 				 le16_to_cpu(power_info->pplib4.usMvddDependencyOnMCLKOffset));
958 			ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk,
959 							       dep_table);
960 			if (ret) {
961 				kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
962 				kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
963 				kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries);
964 				return ret;
965 			}
966 		}
967 		if (power_info->pplib4.usMaxClockVoltageOnDCOffset) {
968 			ATOM_PPLIB_Clock_Voltage_Limit_Table *clk_v =
969 				(ATOM_PPLIB_Clock_Voltage_Limit_Table *)
970 				(mode_info->atom_context->bios + data_offset +
971 				 le16_to_cpu(power_info->pplib4.usMaxClockVoltageOnDCOffset));
972 			if (clk_v->ucNumEntries) {
973 				rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.sclk =
974 					le16_to_cpu(clk_v->entries[0].usSclkLow) |
975 					(clk_v->entries[0].ucSclkHigh << 16);
976 				rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.mclk =
977 					le16_to_cpu(clk_v->entries[0].usMclkLow) |
978 					(clk_v->entries[0].ucMclkHigh << 16);
979 				rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc =
980 					le16_to_cpu(clk_v->entries[0].usVddc);
981 				rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddci =
982 					le16_to_cpu(clk_v->entries[0].usVddci);
983 			}
984 		}
985 		if (power_info->pplib4.usVddcPhaseShedLimitsTableOffset) {
986 			ATOM_PPLIB_PhaseSheddingLimits_Table *psl =
987 				(ATOM_PPLIB_PhaseSheddingLimits_Table *)
988 				(mode_info->atom_context->bios + data_offset +
989 				 le16_to_cpu(power_info->pplib4.usVddcPhaseShedLimitsTableOffset));
990 			ATOM_PPLIB_PhaseSheddingLimits_Record *entry;
991 
992 			rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries =
993 				kcalloc(psl->ucNumEntries,
994 					sizeof(struct radeon_phase_shedding_limits_entry),
995 					GFP_KERNEL);
996 			if (!rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries) {
997 				r600_free_extended_power_table(rdev);
998 				return -ENOMEM;
999 			}
1000 
1001 			entry = &psl->entries[0];
1002 			for (i = 0; i < psl->ucNumEntries; i++) {
1003 				rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].sclk =
1004 					le16_to_cpu(entry->usSclkLow) | (entry->ucSclkHigh << 16);
1005 				rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].mclk =
1006 					le16_to_cpu(entry->usMclkLow) | (entry->ucMclkHigh << 16);
1007 				rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].voltage =
1008 					le16_to_cpu(entry->usVoltage);
1009 				entry = (ATOM_PPLIB_PhaseSheddingLimits_Record *)
1010 					((u8 *)entry + sizeof(ATOM_PPLIB_PhaseSheddingLimits_Record));
1011 			}
1012 			rdev->pm.dpm.dyn_state.phase_shedding_limits_table.count =
1013 				psl->ucNumEntries;
1014 		}
1015 	}
1016 
1017 	/* cac data */
1018 	if (le16_to_cpu(power_info->pplib.usTableSize) >=
1019 	    sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE5)) {
1020 		rdev->pm.dpm.tdp_limit = le32_to_cpu(power_info->pplib5.ulTDPLimit);
1021 		rdev->pm.dpm.near_tdp_limit = le32_to_cpu(power_info->pplib5.ulNearTDPLimit);
1022 		rdev->pm.dpm.near_tdp_limit_adjusted = rdev->pm.dpm.near_tdp_limit;
1023 		rdev->pm.dpm.tdp_od_limit = le16_to_cpu(power_info->pplib5.usTDPODLimit);
1024 		if (rdev->pm.dpm.tdp_od_limit)
1025 			rdev->pm.dpm.power_control = true;
1026 		else
1027 			rdev->pm.dpm.power_control = false;
1028 		rdev->pm.dpm.tdp_adjustment = 0;
1029 		rdev->pm.dpm.sq_ramping_threshold = le32_to_cpu(power_info->pplib5.ulSQRampingThreshold);
1030 		rdev->pm.dpm.cac_leakage = le32_to_cpu(power_info->pplib5.ulCACLeakage);
1031 		rdev->pm.dpm.load_line_slope = le16_to_cpu(power_info->pplib5.usLoadLineSlope);
1032 		if (power_info->pplib5.usCACLeakageTableOffset) {
1033 			ATOM_PPLIB_CAC_Leakage_Table *cac_table =
1034 				(ATOM_PPLIB_CAC_Leakage_Table *)
1035 				(mode_info->atom_context->bios + data_offset +
1036 				 le16_to_cpu(power_info->pplib5.usCACLeakageTableOffset));
1037 			ATOM_PPLIB_CAC_Leakage_Record *entry;
1038 			u32 size = cac_table->ucNumEntries * sizeof(struct radeon_cac_leakage_table);
1039 			rdev->pm.dpm.dyn_state.cac_leakage_table.entries = kzalloc(size, GFP_KERNEL);
1040 			if (!rdev->pm.dpm.dyn_state.cac_leakage_table.entries) {
1041 				r600_free_extended_power_table(rdev);
1042 				return -ENOMEM;
1043 			}
1044 			entry = &cac_table->entries[0];
1045 			for (i = 0; i < cac_table->ucNumEntries; i++) {
1046 				if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) {
1047 					rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc1 =
1048 						le16_to_cpu(entry->usVddc1);
1049 					rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc2 =
1050 						le16_to_cpu(entry->usVddc2);
1051 					rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc3 =
1052 						le16_to_cpu(entry->usVddc3);
1053 				} else {
1054 					rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc =
1055 						le16_to_cpu(entry->usVddc);
1056 					rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].leakage =
1057 						le32_to_cpu(entry->ulLeakageValue);
1058 				}
1059 				entry = (ATOM_PPLIB_CAC_Leakage_Record *)
1060 					((u8 *)entry + sizeof(ATOM_PPLIB_CAC_Leakage_Record));
1061 			}
1062 			rdev->pm.dpm.dyn_state.cac_leakage_table.count = cac_table->ucNumEntries;
1063 		}
1064 	}
1065 
1066 	/* ext tables */
1067 	if (le16_to_cpu(power_info->pplib.usTableSize) >=
1068 	    sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE3)) {
1069 		ATOM_PPLIB_EXTENDEDHEADER *ext_hdr = (ATOM_PPLIB_EXTENDEDHEADER *)
1070 			(mode_info->atom_context->bios + data_offset +
1071 			 le16_to_cpu(power_info->pplib3.usExtendendedHeaderOffset));
1072 		if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2) &&
1073 			ext_hdr->usVCETableOffset) {
1074 			VCEClockInfoArray *array = (VCEClockInfoArray *)
1075 				(mode_info->atom_context->bios + data_offset +
1076 				 le16_to_cpu(ext_hdr->usVCETableOffset) + 1);
1077 			ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *limits =
1078 				(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *)
1079 				(mode_info->atom_context->bios + data_offset +
1080 				 le16_to_cpu(ext_hdr->usVCETableOffset) + 1 +
1081 				 1 + array->ucNumEntries * sizeof(VCEClockInfo));
1082 			ATOM_PPLIB_VCE_State_Table *states =
1083 				(ATOM_PPLIB_VCE_State_Table *)
1084 				(mode_info->atom_context->bios + data_offset +
1085 				 le16_to_cpu(ext_hdr->usVCETableOffset) + 1 +
1086 				 1 + (array->ucNumEntries * sizeof (VCEClockInfo)) +
1087 				 1 + (limits->numEntries * sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record)));
1088 			ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *entry;
1089 			ATOM_PPLIB_VCE_State_Record *state_entry;
1090 			VCEClockInfo *vce_clk;
1091 			u32 size = limits->numEntries *
1092 				sizeof(struct radeon_vce_clock_voltage_dependency_entry);
1093 			rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries =
1094 				kzalloc(size, GFP_KERNEL);
1095 			if (!rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries) {
1096 				r600_free_extended_power_table(rdev);
1097 				return -ENOMEM;
1098 			}
1099 			rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.count =
1100 				limits->numEntries;
1101 			entry = &limits->entries[0];
1102 			state_entry = &states->entries[0];
1103 			for (i = 0; i < limits->numEntries; i++) {
1104 				vce_clk = (VCEClockInfo *)
1105 					((u8 *)&array->entries[0] +
1106 					 (entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo)));
1107 				rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].evclk =
1108 					le16_to_cpu(vce_clk->usEVClkLow) | (vce_clk->ucEVClkHigh << 16);
1109 				rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].ecclk =
1110 					le16_to_cpu(vce_clk->usECClkLow) | (vce_clk->ucECClkHigh << 16);
1111 				rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].v =
1112 					le16_to_cpu(entry->usVoltage);
1113 				entry = (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *)
1114 					((u8 *)entry + sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record));
1115 			}
1116 			for (i = 0; i < states->numEntries; i++) {
1117 				if (i >= RADEON_MAX_VCE_LEVELS)
1118 					break;
1119 				vce_clk = (VCEClockInfo *)
1120 					((u8 *)&array->entries[0] +
1121 					 (state_entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo)));
1122 				rdev->pm.dpm.vce_states[i].evclk =
1123 					le16_to_cpu(vce_clk->usEVClkLow) | (vce_clk->ucEVClkHigh << 16);
1124 				rdev->pm.dpm.vce_states[i].ecclk =
1125 					le16_to_cpu(vce_clk->usECClkLow) | (vce_clk->ucECClkHigh << 16);
1126 				rdev->pm.dpm.vce_states[i].clk_idx =
1127 					state_entry->ucClockInfoIndex & 0x3f;
1128 				rdev->pm.dpm.vce_states[i].pstate =
1129 					(state_entry->ucClockInfoIndex & 0xc0) >> 6;
1130 				state_entry = (ATOM_PPLIB_VCE_State_Record *)
1131 					((u8 *)state_entry + sizeof(ATOM_PPLIB_VCE_State_Record));
1132 			}
1133 		}
1134 		if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3) &&
1135 			ext_hdr->usUVDTableOffset) {
1136 			UVDClockInfoArray *array = (UVDClockInfoArray *)
1137 				(mode_info->atom_context->bios + data_offset +
1138 				 le16_to_cpu(ext_hdr->usUVDTableOffset) + 1);
1139 			ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *limits =
1140 				(ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *)
1141 				(mode_info->atom_context->bios + data_offset +
1142 				 le16_to_cpu(ext_hdr->usUVDTableOffset) + 1 +
1143 				 1 + (array->ucNumEntries * sizeof (UVDClockInfo)));
1144 			ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *entry;
1145 			u32 size = limits->numEntries *
1146 				sizeof(struct radeon_uvd_clock_voltage_dependency_entry);
1147 			rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries =
1148 				kzalloc(size, GFP_KERNEL);
1149 			if (!rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries) {
1150 				r600_free_extended_power_table(rdev);
1151 				return -ENOMEM;
1152 			}
1153 			rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count =
1154 				limits->numEntries;
1155 			entry = &limits->entries[0];
1156 			for (i = 0; i < limits->numEntries; i++) {
1157 				UVDClockInfo *uvd_clk = (UVDClockInfo *)
1158 					((u8 *)&array->entries[0] +
1159 					 (entry->ucUVDClockInfoIndex * sizeof(UVDClockInfo)));
1160 				rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].vclk =
1161 					le16_to_cpu(uvd_clk->usVClkLow) | (uvd_clk->ucVClkHigh << 16);
1162 				rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].dclk =
1163 					le16_to_cpu(uvd_clk->usDClkLow) | (uvd_clk->ucDClkHigh << 16);
1164 				rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].v =
1165 					le16_to_cpu(entry->usVoltage);
1166 				entry = (ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *)
1167 					((u8 *)entry + sizeof(ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record));
1168 			}
1169 		}
1170 		if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4) &&
1171 			ext_hdr->usSAMUTableOffset) {
1172 			ATOM_PPLIB_SAMClk_Voltage_Limit_Table *limits =
1173 				(ATOM_PPLIB_SAMClk_Voltage_Limit_Table *)
1174 				(mode_info->atom_context->bios + data_offset +
1175 				 le16_to_cpu(ext_hdr->usSAMUTableOffset) + 1);
1176 			ATOM_PPLIB_SAMClk_Voltage_Limit_Record *entry;
1177 			u32 size = limits->numEntries *
1178 				sizeof(struct radeon_clock_voltage_dependency_entry);
1179 			rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries =
1180 				kzalloc(size, GFP_KERNEL);
1181 			if (!rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries) {
1182 				r600_free_extended_power_table(rdev);
1183 				return -ENOMEM;
1184 			}
1185 			rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.count =
1186 				limits->numEntries;
1187 			entry = &limits->entries[0];
1188 			for (i = 0; i < limits->numEntries; i++) {
1189 				rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].clk =
1190 					le16_to_cpu(entry->usSAMClockLow) | (entry->ucSAMClockHigh << 16);
1191 				rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].v =
1192 					le16_to_cpu(entry->usVoltage);
1193 				entry = (ATOM_PPLIB_SAMClk_Voltage_Limit_Record *)
1194 					((u8 *)entry + sizeof(ATOM_PPLIB_SAMClk_Voltage_Limit_Record));
1195 			}
1196 		}
1197 		if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5) &&
1198 		    ext_hdr->usPPMTableOffset) {
1199 			ATOM_PPLIB_PPM_Table *ppm = (ATOM_PPLIB_PPM_Table *)
1200 				(mode_info->atom_context->bios + data_offset +
1201 				 le16_to_cpu(ext_hdr->usPPMTableOffset));
1202 			rdev->pm.dpm.dyn_state.ppm_table =
1203 				kzalloc(sizeof(struct radeon_ppm_table), GFP_KERNEL);
1204 			if (!rdev->pm.dpm.dyn_state.ppm_table) {
1205 				r600_free_extended_power_table(rdev);
1206 				return -ENOMEM;
1207 			}
1208 			rdev->pm.dpm.dyn_state.ppm_table->ppm_design = ppm->ucPpmDesign;
1209 			rdev->pm.dpm.dyn_state.ppm_table->cpu_core_number =
1210 				le16_to_cpu(ppm->usCpuCoreNumber);
1211 			rdev->pm.dpm.dyn_state.ppm_table->platform_tdp =
1212 				le32_to_cpu(ppm->ulPlatformTDP);
1213 			rdev->pm.dpm.dyn_state.ppm_table->small_ac_platform_tdp =
1214 				le32_to_cpu(ppm->ulSmallACPlatformTDP);
1215 			rdev->pm.dpm.dyn_state.ppm_table->platform_tdc =
1216 				le32_to_cpu(ppm->ulPlatformTDC);
1217 			rdev->pm.dpm.dyn_state.ppm_table->small_ac_platform_tdc =
1218 				le32_to_cpu(ppm->ulSmallACPlatformTDC);
1219 			rdev->pm.dpm.dyn_state.ppm_table->apu_tdp =
1220 				le32_to_cpu(ppm->ulApuTDP);
1221 			rdev->pm.dpm.dyn_state.ppm_table->dgpu_tdp =
1222 				le32_to_cpu(ppm->ulDGpuTDP);
1223 			rdev->pm.dpm.dyn_state.ppm_table->dgpu_ulv_power =
1224 				le32_to_cpu(ppm->ulDGpuUlvPower);
1225 			rdev->pm.dpm.dyn_state.ppm_table->tj_max =
1226 				le32_to_cpu(ppm->ulTjmax);
1227 		}
1228 		if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6) &&
1229 			ext_hdr->usACPTableOffset) {
1230 			ATOM_PPLIB_ACPClk_Voltage_Limit_Table *limits =
1231 				(ATOM_PPLIB_ACPClk_Voltage_Limit_Table *)
1232 				(mode_info->atom_context->bios + data_offset +
1233 				 le16_to_cpu(ext_hdr->usACPTableOffset) + 1);
1234 			ATOM_PPLIB_ACPClk_Voltage_Limit_Record *entry;
1235 			u32 size = limits->numEntries *
1236 				sizeof(struct radeon_clock_voltage_dependency_entry);
1237 			rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries =
1238 				kzalloc(size, GFP_KERNEL);
1239 			if (!rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries) {
1240 				r600_free_extended_power_table(rdev);
1241 				return -ENOMEM;
1242 			}
1243 			rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.count =
1244 				limits->numEntries;
1245 			entry = &limits->entries[0];
1246 			for (i = 0; i < limits->numEntries; i++) {
1247 				rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].clk =
1248 					le16_to_cpu(entry->usACPClockLow) | (entry->ucACPClockHigh << 16);
1249 				rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].v =
1250 					le16_to_cpu(entry->usVoltage);
1251 				entry = (ATOM_PPLIB_ACPClk_Voltage_Limit_Record *)
1252 					((u8 *)entry + sizeof(ATOM_PPLIB_ACPClk_Voltage_Limit_Record));
1253 			}
1254 		}
1255 		if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7) &&
1256 			ext_hdr->usPowerTuneTableOffset) {
1257 			u8 rev = *(u8 *)(mode_info->atom_context->bios + data_offset +
1258 					 le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
1259 			ATOM_PowerTune_Table *pt;
1260 			rdev->pm.dpm.dyn_state.cac_tdp_table =
1261 				kzalloc(sizeof(struct radeon_cac_tdp_table), GFP_KERNEL);
1262 			if (!rdev->pm.dpm.dyn_state.cac_tdp_table) {
1263 				r600_free_extended_power_table(rdev);
1264 				return -ENOMEM;
1265 			}
1266 			if (rev > 0) {
1267 				ATOM_PPLIB_POWERTUNE_Table_V1 *ppt = (ATOM_PPLIB_POWERTUNE_Table_V1 *)
1268 					(mode_info->atom_context->bios + data_offset +
1269 					 le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
1270 				rdev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit =
1271 					le16_to_cpu(ppt->usMaximumPowerDeliveryLimit);
1272 				pt = &ppt->power_tune_table;
1273 			} else {
1274 				ATOM_PPLIB_POWERTUNE_Table *ppt = (ATOM_PPLIB_POWERTUNE_Table *)
1275 					(mode_info->atom_context->bios + data_offset +
1276 					 le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
1277 				rdev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit = 255;
1278 				pt = &ppt->power_tune_table;
1279 			}
1280 			rdev->pm.dpm.dyn_state.cac_tdp_table->tdp = le16_to_cpu(pt->usTDP);
1281 			rdev->pm.dpm.dyn_state.cac_tdp_table->configurable_tdp =
1282 				le16_to_cpu(pt->usConfigurableTDP);
1283 			rdev->pm.dpm.dyn_state.cac_tdp_table->tdc = le16_to_cpu(pt->usTDC);
1284 			rdev->pm.dpm.dyn_state.cac_tdp_table->battery_power_limit =
1285 				le16_to_cpu(pt->usBatteryPowerLimit);
1286 			rdev->pm.dpm.dyn_state.cac_tdp_table->small_power_limit =
1287 				le16_to_cpu(pt->usSmallPowerLimit);
1288 			rdev->pm.dpm.dyn_state.cac_tdp_table->low_cac_leakage =
1289 				le16_to_cpu(pt->usLowCACLeakage);
1290 			rdev->pm.dpm.dyn_state.cac_tdp_table->high_cac_leakage =
1291 				le16_to_cpu(pt->usHighCACLeakage);
1292 		}
1293 	}
1294 
1295 	return 0;
1296 }
1297 
r600_free_extended_power_table(struct radeon_device * rdev)1298 void r600_free_extended_power_table(struct radeon_device *rdev)
1299 {
1300 	struct radeon_dpm_dynamic_state *dyn_state = &rdev->pm.dpm.dyn_state;
1301 
1302 	kfree(dyn_state->vddc_dependency_on_sclk.entries);
1303 	kfree(dyn_state->vddci_dependency_on_mclk.entries);
1304 	kfree(dyn_state->vddc_dependency_on_mclk.entries);
1305 	kfree(dyn_state->mvdd_dependency_on_mclk.entries);
1306 	kfree(dyn_state->cac_leakage_table.entries);
1307 	kfree(dyn_state->phase_shedding_limits_table.entries);
1308 	kfree(dyn_state->ppm_table);
1309 	kfree(dyn_state->cac_tdp_table);
1310 	kfree(dyn_state->vce_clock_voltage_dependency_table.entries);
1311 	kfree(dyn_state->uvd_clock_voltage_dependency_table.entries);
1312 	kfree(dyn_state->samu_clock_voltage_dependency_table.entries);
1313 	kfree(dyn_state->acp_clock_voltage_dependency_table.entries);
1314 }
1315 
r600_get_pcie_gen_support(struct radeon_device * rdev,u32 sys_mask,enum radeon_pcie_gen asic_gen,enum radeon_pcie_gen default_gen)1316 enum radeon_pcie_gen r600_get_pcie_gen_support(struct radeon_device *rdev,
1317 					       u32 sys_mask,
1318 					       enum radeon_pcie_gen asic_gen,
1319 					       enum radeon_pcie_gen default_gen)
1320 {
1321 	switch (asic_gen) {
1322 	case RADEON_PCIE_GEN1:
1323 		return RADEON_PCIE_GEN1;
1324 	case RADEON_PCIE_GEN2:
1325 		return RADEON_PCIE_GEN2;
1326 	case RADEON_PCIE_GEN3:
1327 		return RADEON_PCIE_GEN3;
1328 	default:
1329 		if ((sys_mask & RADEON_PCIE_SPEED_80) && (default_gen == RADEON_PCIE_GEN3))
1330 			return RADEON_PCIE_GEN3;
1331 		else if ((sys_mask & RADEON_PCIE_SPEED_50) && (default_gen == RADEON_PCIE_GEN2))
1332 			return RADEON_PCIE_GEN2;
1333 		else
1334 			return RADEON_PCIE_GEN1;
1335 	}
1336 	return RADEON_PCIE_GEN1;
1337 }
1338 
r600_get_pcie_lane_support(struct radeon_device * rdev,u16 asic_lanes,u16 default_lanes)1339 u16 r600_get_pcie_lane_support(struct radeon_device *rdev,
1340 			       u16 asic_lanes,
1341 			       u16 default_lanes)
1342 {
1343 	switch (asic_lanes) {
1344 	case 0:
1345 	default:
1346 		return default_lanes;
1347 	case 1:
1348 		return 1;
1349 	case 2:
1350 		return 2;
1351 	case 4:
1352 		return 4;
1353 	case 8:
1354 		return 8;
1355 	case 12:
1356 		return 12;
1357 	case 16:
1358 		return 16;
1359 	}
1360 }
1361 
r600_encode_pci_lane_width(u32 lanes)1362 u8 r600_encode_pci_lane_width(u32 lanes)
1363 {
1364 	static const u8 encoded_lanes[] = {
1365 		0, 1, 2, 0, 3, 0, 0, 0, 4, 0, 0, 0, 5, 0, 0, 0, 6
1366 	};
1367 
1368 	if (lanes > 16)
1369 		return 0;
1370 
1371 	return encoded_lanes[lanes];
1372 }
1373