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Commit | Line | Data |
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7433874e RM |
1 | /* |
2 | * Permission is hereby granted, free of charge, to any person obtaining a | |
3 | * copy of this software and associated documentation files (the "Software"), | |
4 | * to deal in the Software without restriction, including without limitation | |
5 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
6 | * and/or sell copies of the Software, and to permit persons to whom the | |
7 | * Software is furnished to do so, subject to the following conditions: | |
8 | * | |
9 | * The above copyright notice and this permission notice shall be included in | |
10 | * all copies or substantial portions of the Software. | |
11 | * | |
12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
13 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
14 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
15 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
16 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
17 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
18 | * OTHER DEALINGS IN THE SOFTWARE. | |
19 | * | |
20 | * Authors: Rafał Miłecki <zajec5@gmail.com> | |
56278a8e | 21 | * Alex Deucher <alexdeucher@gmail.com> |
7433874e | 22 | */ |
760285e7 | 23 | #include <drm/drmP.h> |
7433874e | 24 | #include "radeon.h" |
f735261b | 25 | #include "avivod.h" |
8a83ec5e | 26 | #include "atom.h" |
ce8f5370 | 27 | #include <linux/power_supply.h> |
21a8122a AD |
28 | #include <linux/hwmon.h> |
29 | #include <linux/hwmon-sysfs.h> | |
7433874e | 30 | |
c913e23a RM |
31 | #define RADEON_IDLE_LOOP_MS 100 |
32 | #define RADEON_RECLOCK_DELAY_MS 200 | |
73a6d3fc | 33 | #define RADEON_WAIT_VBLANK_TIMEOUT 200 |
c913e23a | 34 | |
f712d0c7 | 35 | static const char *radeon_pm_state_type_name[5] = { |
eb2c27a0 | 36 | "", |
f712d0c7 RM |
37 | "Powersave", |
38 | "Battery", | |
39 | "Balanced", | |
40 | "Performance", | |
41 | }; | |
42 | ||
ce8f5370 | 43 | static void radeon_dynpm_idle_work_handler(struct work_struct *work); |
c913e23a | 44 | static int radeon_debugfs_pm_init(struct radeon_device *rdev); |
ce8f5370 AD |
45 | static bool radeon_pm_in_vbl(struct radeon_device *rdev); |
46 | static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish); | |
47 | static void radeon_pm_update_profile(struct radeon_device *rdev); | |
48 | static void radeon_pm_set_clocks(struct radeon_device *rdev); | |
49 | ||
a4c9e2ee AD |
50 | int radeon_pm_get_type_index(struct radeon_device *rdev, |
51 | enum radeon_pm_state_type ps_type, | |
52 | int instance) | |
53 | { | |
54 | int i; | |
55 | int found_instance = -1; | |
56 | ||
57 | for (i = 0; i < rdev->pm.num_power_states; i++) { | |
58 | if (rdev->pm.power_state[i].type == ps_type) { | |
59 | found_instance++; | |
60 | if (found_instance == instance) | |
61 | return i; | |
62 | } | |
63 | } | |
64 | /* return default if no match */ | |
65 | return rdev->pm.default_power_state_index; | |
66 | } | |
67 | ||
c4917074 | 68 | void radeon_pm_acpi_event_handler(struct radeon_device *rdev) |
ce8f5370 | 69 | { |
c4917074 AD |
70 | if (rdev->pm.pm_method == PM_METHOD_PROFILE) { |
71 | if (rdev->pm.profile == PM_PROFILE_AUTO) { | |
72 | mutex_lock(&rdev->pm.mutex); | |
73 | radeon_pm_update_profile(rdev); | |
74 | radeon_pm_set_clocks(rdev); | |
75 | mutex_unlock(&rdev->pm.mutex); | |
ce8f5370 AD |
76 | } |
77 | } | |
ce8f5370 | 78 | } |
ce8f5370 AD |
79 | |
80 | static void radeon_pm_update_profile(struct radeon_device *rdev) | |
81 | { | |
82 | switch (rdev->pm.profile) { | |
83 | case PM_PROFILE_DEFAULT: | |
84 | rdev->pm.profile_index = PM_PROFILE_DEFAULT_IDX; | |
85 | break; | |
86 | case PM_PROFILE_AUTO: | |
87 | if (power_supply_is_system_supplied() > 0) { | |
88 | if (rdev->pm.active_crtc_count > 1) | |
89 | rdev->pm.profile_index = PM_PROFILE_HIGH_MH_IDX; | |
90 | else | |
91 | rdev->pm.profile_index = PM_PROFILE_HIGH_SH_IDX; | |
92 | } else { | |
93 | if (rdev->pm.active_crtc_count > 1) | |
c9e75b21 | 94 | rdev->pm.profile_index = PM_PROFILE_MID_MH_IDX; |
ce8f5370 | 95 | else |
c9e75b21 | 96 | rdev->pm.profile_index = PM_PROFILE_MID_SH_IDX; |
ce8f5370 AD |
97 | } |
98 | break; | |
99 | case PM_PROFILE_LOW: | |
100 | if (rdev->pm.active_crtc_count > 1) | |
101 | rdev->pm.profile_index = PM_PROFILE_LOW_MH_IDX; | |
102 | else | |
103 | rdev->pm.profile_index = PM_PROFILE_LOW_SH_IDX; | |
104 | break; | |
c9e75b21 AD |
105 | case PM_PROFILE_MID: |
106 | if (rdev->pm.active_crtc_count > 1) | |
107 | rdev->pm.profile_index = PM_PROFILE_MID_MH_IDX; | |
108 | else | |
109 | rdev->pm.profile_index = PM_PROFILE_MID_SH_IDX; | |
110 | break; | |
ce8f5370 AD |
111 | case PM_PROFILE_HIGH: |
112 | if (rdev->pm.active_crtc_count > 1) | |
113 | rdev->pm.profile_index = PM_PROFILE_HIGH_MH_IDX; | |
114 | else | |
115 | rdev->pm.profile_index = PM_PROFILE_HIGH_SH_IDX; | |
116 | break; | |
117 | } | |
118 | ||
119 | if (rdev->pm.active_crtc_count == 0) { | |
120 | rdev->pm.requested_power_state_index = | |
121 | rdev->pm.profiles[rdev->pm.profile_index].dpms_off_ps_idx; | |
122 | rdev->pm.requested_clock_mode_index = | |
123 | rdev->pm.profiles[rdev->pm.profile_index].dpms_off_cm_idx; | |
124 | } else { | |
125 | rdev->pm.requested_power_state_index = | |
126 | rdev->pm.profiles[rdev->pm.profile_index].dpms_on_ps_idx; | |
127 | rdev->pm.requested_clock_mode_index = | |
128 | rdev->pm.profiles[rdev->pm.profile_index].dpms_on_cm_idx; | |
129 | } | |
130 | } | |
c913e23a | 131 | |
5876dd24 MG |
132 | static void radeon_unmap_vram_bos(struct radeon_device *rdev) |
133 | { | |
134 | struct radeon_bo *bo, *n; | |
135 | ||
136 | if (list_empty(&rdev->gem.objects)) | |
137 | return; | |
138 | ||
139 | list_for_each_entry_safe(bo, n, &rdev->gem.objects, list) { | |
140 | if (bo->tbo.mem.mem_type == TTM_PL_VRAM) | |
141 | ttm_bo_unmap_virtual(&bo->tbo); | |
142 | } | |
5876dd24 MG |
143 | } |
144 | ||
ce8f5370 | 145 | static void radeon_sync_with_vblank(struct radeon_device *rdev) |
a424816f | 146 | { |
ce8f5370 AD |
147 | if (rdev->pm.active_crtcs) { |
148 | rdev->pm.vblank_sync = false; | |
149 | wait_event_timeout( | |
150 | rdev->irq.vblank_queue, rdev->pm.vblank_sync, | |
151 | msecs_to_jiffies(RADEON_WAIT_VBLANK_TIMEOUT)); | |
152 | } | |
153 | } | |
154 | ||
155 | static void radeon_set_power_state(struct radeon_device *rdev) | |
156 | { | |
157 | u32 sclk, mclk; | |
92645879 | 158 | bool misc_after = false; |
ce8f5370 AD |
159 | |
160 | if ((rdev->pm.requested_clock_mode_index == rdev->pm.current_clock_mode_index) && | |
161 | (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index)) | |
162 | return; | |
163 | ||
164 | if (radeon_gui_idle(rdev)) { | |
165 | sclk = rdev->pm.power_state[rdev->pm.requested_power_state_index]. | |
166 | clock_info[rdev->pm.requested_clock_mode_index].sclk; | |
9ace9f7b AD |
167 | if (sclk > rdev->pm.default_sclk) |
168 | sclk = rdev->pm.default_sclk; | |
ce8f5370 | 169 | |
27810fb2 AD |
170 | /* starting with BTC, there is one state that is used for both |
171 | * MH and SH. Difference is that we always use the high clock index for | |
7ae764b1 | 172 | * mclk and vddci. |
27810fb2 AD |
173 | */ |
174 | if ((rdev->pm.pm_method == PM_METHOD_PROFILE) && | |
175 | (rdev->family >= CHIP_BARTS) && | |
176 | rdev->pm.active_crtc_count && | |
177 | ((rdev->pm.profile_index == PM_PROFILE_MID_MH_IDX) || | |
178 | (rdev->pm.profile_index == PM_PROFILE_LOW_MH_IDX))) | |
179 | mclk = rdev->pm.power_state[rdev->pm.requested_power_state_index]. | |
180 | clock_info[rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx].mclk; | |
181 | else | |
182 | mclk = rdev->pm.power_state[rdev->pm.requested_power_state_index]. | |
183 | clock_info[rdev->pm.requested_clock_mode_index].mclk; | |
184 | ||
9ace9f7b AD |
185 | if (mclk > rdev->pm.default_mclk) |
186 | mclk = rdev->pm.default_mclk; | |
ce8f5370 | 187 | |
92645879 AD |
188 | /* upvolt before raising clocks, downvolt after lowering clocks */ |
189 | if (sclk < rdev->pm.current_sclk) | |
190 | misc_after = true; | |
ce8f5370 | 191 | |
92645879 | 192 | radeon_sync_with_vblank(rdev); |
ce8f5370 | 193 | |
92645879 | 194 | if (rdev->pm.pm_method == PM_METHOD_DYNPM) { |
ce8f5370 AD |
195 | if (!radeon_pm_in_vbl(rdev)) |
196 | return; | |
92645879 | 197 | } |
ce8f5370 | 198 | |
92645879 | 199 | radeon_pm_prepare(rdev); |
ce8f5370 | 200 | |
92645879 AD |
201 | if (!misc_after) |
202 | /* voltage, pcie lanes, etc.*/ | |
203 | radeon_pm_misc(rdev); | |
204 | ||
205 | /* set engine clock */ | |
206 | if (sclk != rdev->pm.current_sclk) { | |
207 | radeon_pm_debug_check_in_vbl(rdev, false); | |
208 | radeon_set_engine_clock(rdev, sclk); | |
209 | radeon_pm_debug_check_in_vbl(rdev, true); | |
210 | rdev->pm.current_sclk = sclk; | |
d9fdaafb | 211 | DRM_DEBUG_DRIVER("Setting: e: %d\n", sclk); |
92645879 AD |
212 | } |
213 | ||
214 | /* set memory clock */ | |
798bcf73 | 215 | if (rdev->asic->pm.set_memory_clock && (mclk != rdev->pm.current_mclk)) { |
92645879 AD |
216 | radeon_pm_debug_check_in_vbl(rdev, false); |
217 | radeon_set_memory_clock(rdev, mclk); | |
218 | radeon_pm_debug_check_in_vbl(rdev, true); | |
219 | rdev->pm.current_mclk = mclk; | |
d9fdaafb | 220 | DRM_DEBUG_DRIVER("Setting: m: %d\n", mclk); |
ce8f5370 | 221 | } |
2aba631c | 222 | |
92645879 AD |
223 | if (misc_after) |
224 | /* voltage, pcie lanes, etc.*/ | |
225 | radeon_pm_misc(rdev); | |
226 | ||
227 | radeon_pm_finish(rdev); | |
228 | ||
ce8f5370 AD |
229 | rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index; |
230 | rdev->pm.current_clock_mode_index = rdev->pm.requested_clock_mode_index; | |
231 | } else | |
d9fdaafb | 232 | DRM_DEBUG_DRIVER("pm: GUI not idle!!!\n"); |
ce8f5370 AD |
233 | } |
234 | ||
235 | static void radeon_pm_set_clocks(struct radeon_device *rdev) | |
236 | { | |
5f8f635e | 237 | int i, r; |
c37d230a | 238 | |
4e186b2d AD |
239 | /* no need to take locks, etc. if nothing's going to change */ |
240 | if ((rdev->pm.requested_clock_mode_index == rdev->pm.current_clock_mode_index) && | |
241 | (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index)) | |
242 | return; | |
243 | ||
612e06ce | 244 | mutex_lock(&rdev->ddev->struct_mutex); |
db7fce39 | 245 | down_write(&rdev->pm.mclk_lock); |
d6999bc7 | 246 | mutex_lock(&rdev->ring_lock); |
4f3218cb | 247 | |
95f5a3ac AD |
248 | /* wait for the rings to drain */ |
249 | for (i = 0; i < RADEON_NUM_RINGS; i++) { | |
250 | struct radeon_ring *ring = &rdev->ring[i]; | |
5f8f635e JG |
251 | if (!ring->ready) { |
252 | continue; | |
253 | } | |
254 | r = radeon_fence_wait_empty_locked(rdev, i); | |
255 | if (r) { | |
256 | /* needs a GPU reset dont reset here */ | |
257 | mutex_unlock(&rdev->ring_lock); | |
258 | up_write(&rdev->pm.mclk_lock); | |
259 | mutex_unlock(&rdev->ddev->struct_mutex); | |
260 | return; | |
261 | } | |
4f3218cb | 262 | } |
95f5a3ac | 263 | |
5876dd24 MG |
264 | radeon_unmap_vram_bos(rdev); |
265 | ||
ce8f5370 | 266 | if (rdev->irq.installed) { |
2aba631c MG |
267 | for (i = 0; i < rdev->num_crtc; i++) { |
268 | if (rdev->pm.active_crtcs & (1 << i)) { | |
269 | rdev->pm.req_vblank |= (1 << i); | |
270 | drm_vblank_get(rdev->ddev, i); | |
271 | } | |
272 | } | |
273 | } | |
539d2418 | 274 | |
ce8f5370 | 275 | radeon_set_power_state(rdev); |
2aba631c | 276 | |
ce8f5370 | 277 | if (rdev->irq.installed) { |
2aba631c MG |
278 | for (i = 0; i < rdev->num_crtc; i++) { |
279 | if (rdev->pm.req_vblank & (1 << i)) { | |
280 | rdev->pm.req_vblank &= ~(1 << i); | |
281 | drm_vblank_put(rdev->ddev, i); | |
282 | } | |
283 | } | |
284 | } | |
5876dd24 | 285 | |
a424816f AD |
286 | /* update display watermarks based on new power state */ |
287 | radeon_update_bandwidth_info(rdev); | |
288 | if (rdev->pm.active_crtc_count) | |
289 | radeon_bandwidth_update(rdev); | |
290 | ||
ce8f5370 | 291 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE; |
2aba631c | 292 | |
d6999bc7 | 293 | mutex_unlock(&rdev->ring_lock); |
db7fce39 | 294 | up_write(&rdev->pm.mclk_lock); |
612e06ce | 295 | mutex_unlock(&rdev->ddev->struct_mutex); |
a424816f AD |
296 | } |
297 | ||
f712d0c7 RM |
298 | static void radeon_pm_print_states(struct radeon_device *rdev) |
299 | { | |
300 | int i, j; | |
301 | struct radeon_power_state *power_state; | |
302 | struct radeon_pm_clock_info *clock_info; | |
303 | ||
d9fdaafb | 304 | DRM_DEBUG_DRIVER("%d Power State(s)\n", rdev->pm.num_power_states); |
f712d0c7 RM |
305 | for (i = 0; i < rdev->pm.num_power_states; i++) { |
306 | power_state = &rdev->pm.power_state[i]; | |
d9fdaafb | 307 | DRM_DEBUG_DRIVER("State %d: %s\n", i, |
f712d0c7 RM |
308 | radeon_pm_state_type_name[power_state->type]); |
309 | if (i == rdev->pm.default_power_state_index) | |
d9fdaafb | 310 | DRM_DEBUG_DRIVER("\tDefault"); |
f712d0c7 | 311 | if ((rdev->flags & RADEON_IS_PCIE) && !(rdev->flags & RADEON_IS_IGP)) |
d9fdaafb | 312 | DRM_DEBUG_DRIVER("\t%d PCIE Lanes\n", power_state->pcie_lanes); |
f712d0c7 | 313 | if (power_state->flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) |
d9fdaafb DA |
314 | DRM_DEBUG_DRIVER("\tSingle display only\n"); |
315 | DRM_DEBUG_DRIVER("\t%d Clock Mode(s)\n", power_state->num_clock_modes); | |
f712d0c7 RM |
316 | for (j = 0; j < power_state->num_clock_modes; j++) { |
317 | clock_info = &(power_state->clock_info[j]); | |
318 | if (rdev->flags & RADEON_IS_IGP) | |
eb2c27a0 AD |
319 | DRM_DEBUG_DRIVER("\t\t%d e: %d\n", |
320 | j, | |
321 | clock_info->sclk * 10); | |
f712d0c7 | 322 | else |
eb2c27a0 AD |
323 | DRM_DEBUG_DRIVER("\t\t%d e: %d\tm: %d\tv: %d\n", |
324 | j, | |
325 | clock_info->sclk * 10, | |
326 | clock_info->mclk * 10, | |
327 | clock_info->voltage.voltage); | |
f712d0c7 RM |
328 | } |
329 | } | |
330 | } | |
331 | ||
ce8f5370 AD |
332 | static ssize_t radeon_get_pm_profile(struct device *dev, |
333 | struct device_attribute *attr, | |
334 | char *buf) | |
a424816f AD |
335 | { |
336 | struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); | |
337 | struct radeon_device *rdev = ddev->dev_private; | |
ce8f5370 | 338 | int cp = rdev->pm.profile; |
a424816f | 339 | |
ce8f5370 AD |
340 | return snprintf(buf, PAGE_SIZE, "%s\n", |
341 | (cp == PM_PROFILE_AUTO) ? "auto" : | |
342 | (cp == PM_PROFILE_LOW) ? "low" : | |
12e27be8 | 343 | (cp == PM_PROFILE_MID) ? "mid" : |
ce8f5370 | 344 | (cp == PM_PROFILE_HIGH) ? "high" : "default"); |
a424816f AD |
345 | } |
346 | ||
ce8f5370 AD |
347 | static ssize_t radeon_set_pm_profile(struct device *dev, |
348 | struct device_attribute *attr, | |
349 | const char *buf, | |
350 | size_t count) | |
a424816f AD |
351 | { |
352 | struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); | |
353 | struct radeon_device *rdev = ddev->dev_private; | |
a424816f AD |
354 | |
355 | mutex_lock(&rdev->pm.mutex); | |
ce8f5370 AD |
356 | if (rdev->pm.pm_method == PM_METHOD_PROFILE) { |
357 | if (strncmp("default", buf, strlen("default")) == 0) | |
358 | rdev->pm.profile = PM_PROFILE_DEFAULT; | |
359 | else if (strncmp("auto", buf, strlen("auto")) == 0) | |
360 | rdev->pm.profile = PM_PROFILE_AUTO; | |
361 | else if (strncmp("low", buf, strlen("low")) == 0) | |
362 | rdev->pm.profile = PM_PROFILE_LOW; | |
c9e75b21 AD |
363 | else if (strncmp("mid", buf, strlen("mid")) == 0) |
364 | rdev->pm.profile = PM_PROFILE_MID; | |
ce8f5370 AD |
365 | else if (strncmp("high", buf, strlen("high")) == 0) |
366 | rdev->pm.profile = PM_PROFILE_HIGH; | |
367 | else { | |
1783e4bf | 368 | count = -EINVAL; |
ce8f5370 | 369 | goto fail; |
a424816f | 370 | } |
ce8f5370 AD |
371 | radeon_pm_update_profile(rdev); |
372 | radeon_pm_set_clocks(rdev); | |
1783e4bf TR |
373 | } else |
374 | count = -EINVAL; | |
375 | ||
ce8f5370 | 376 | fail: |
a424816f AD |
377 | mutex_unlock(&rdev->pm.mutex); |
378 | ||
379 | return count; | |
380 | } | |
381 | ||
ce8f5370 AD |
382 | static ssize_t radeon_get_pm_method(struct device *dev, |
383 | struct device_attribute *attr, | |
384 | char *buf) | |
a424816f AD |
385 | { |
386 | struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); | |
387 | struct radeon_device *rdev = ddev->dev_private; | |
ce8f5370 | 388 | int pm = rdev->pm.pm_method; |
a424816f AD |
389 | |
390 | return snprintf(buf, PAGE_SIZE, "%s\n", | |
ce8f5370 | 391 | (pm == PM_METHOD_DYNPM) ? "dynpm" : "profile"); |
a424816f AD |
392 | } |
393 | ||
ce8f5370 AD |
394 | static ssize_t radeon_set_pm_method(struct device *dev, |
395 | struct device_attribute *attr, | |
396 | const char *buf, | |
397 | size_t count) | |
a424816f AD |
398 | { |
399 | struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); | |
400 | struct radeon_device *rdev = ddev->dev_private; | |
a424816f | 401 | |
ce8f5370 AD |
402 | |
403 | if (strncmp("dynpm", buf, strlen("dynpm")) == 0) { | |
a424816f | 404 | mutex_lock(&rdev->pm.mutex); |
ce8f5370 AD |
405 | rdev->pm.pm_method = PM_METHOD_DYNPM; |
406 | rdev->pm.dynpm_state = DYNPM_STATE_PAUSED; | |
407 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_DEFAULT; | |
a424816f | 408 | mutex_unlock(&rdev->pm.mutex); |
ce8f5370 AD |
409 | } else if (strncmp("profile", buf, strlen("profile")) == 0) { |
410 | mutex_lock(&rdev->pm.mutex); | |
ce8f5370 AD |
411 | /* disable dynpm */ |
412 | rdev->pm.dynpm_state = DYNPM_STATE_DISABLED; | |
413 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE; | |
3f53eb6f | 414 | rdev->pm.pm_method = PM_METHOD_PROFILE; |
ce8f5370 | 415 | mutex_unlock(&rdev->pm.mutex); |
32c87fca | 416 | cancel_delayed_work_sync(&rdev->pm.dynpm_idle_work); |
ce8f5370 | 417 | } else { |
1783e4bf | 418 | count = -EINVAL; |
ce8f5370 AD |
419 | goto fail; |
420 | } | |
421 | radeon_pm_compute_clocks(rdev); | |
422 | fail: | |
a424816f AD |
423 | return count; |
424 | } | |
425 | ||
ce8f5370 AD |
426 | static DEVICE_ATTR(power_profile, S_IRUGO | S_IWUSR, radeon_get_pm_profile, radeon_set_pm_profile); |
427 | static DEVICE_ATTR(power_method, S_IRUGO | S_IWUSR, radeon_get_pm_method, radeon_set_pm_method); | |
a424816f | 428 | |
21a8122a AD |
429 | static ssize_t radeon_hwmon_show_temp(struct device *dev, |
430 | struct device_attribute *attr, | |
431 | char *buf) | |
432 | { | |
433 | struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); | |
434 | struct radeon_device *rdev = ddev->dev_private; | |
20d391d7 | 435 | int temp; |
21a8122a | 436 | |
6bd1c385 AD |
437 | if (rdev->asic->pm.get_temperature) |
438 | temp = radeon_get_temperature(rdev); | |
439 | else | |
21a8122a | 440 | temp = 0; |
21a8122a AD |
441 | |
442 | return snprintf(buf, PAGE_SIZE, "%d\n", temp); | |
443 | } | |
444 | ||
445 | static ssize_t radeon_hwmon_show_name(struct device *dev, | |
446 | struct device_attribute *attr, | |
447 | char *buf) | |
448 | { | |
449 | return sprintf(buf, "radeon\n"); | |
450 | } | |
451 | ||
452 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, radeon_hwmon_show_temp, NULL, 0); | |
453 | static SENSOR_DEVICE_ATTR(name, S_IRUGO, radeon_hwmon_show_name, NULL, 0); | |
454 | ||
455 | static struct attribute *hwmon_attributes[] = { | |
456 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
457 | &sensor_dev_attr_name.dev_attr.attr, | |
458 | NULL | |
459 | }; | |
460 | ||
461 | static const struct attribute_group hwmon_attrgroup = { | |
462 | .attrs = hwmon_attributes, | |
463 | }; | |
464 | ||
0d18abed | 465 | static int radeon_hwmon_init(struct radeon_device *rdev) |
21a8122a | 466 | { |
0d18abed | 467 | int err = 0; |
21a8122a AD |
468 | |
469 | rdev->pm.int_hwmon_dev = NULL; | |
470 | ||
471 | switch (rdev->pm.int_thermal_type) { | |
472 | case THERMAL_TYPE_RV6XX: | |
473 | case THERMAL_TYPE_RV770: | |
474 | case THERMAL_TYPE_EVERGREEN: | |
457558ed | 475 | case THERMAL_TYPE_NI: |
e33df25f | 476 | case THERMAL_TYPE_SUMO: |
1bd47d2e | 477 | case THERMAL_TYPE_SI: |
6bd1c385 | 478 | if (rdev->asic->pm.get_temperature == NULL) |
5d7486c7 | 479 | return err; |
21a8122a | 480 | rdev->pm.int_hwmon_dev = hwmon_device_register(rdev->dev); |
0d18abed DC |
481 | if (IS_ERR(rdev->pm.int_hwmon_dev)) { |
482 | err = PTR_ERR(rdev->pm.int_hwmon_dev); | |
483 | dev_err(rdev->dev, | |
484 | "Unable to register hwmon device: %d\n", err); | |
485 | break; | |
486 | } | |
21a8122a AD |
487 | dev_set_drvdata(rdev->pm.int_hwmon_dev, rdev->ddev); |
488 | err = sysfs_create_group(&rdev->pm.int_hwmon_dev->kobj, | |
489 | &hwmon_attrgroup); | |
0d18abed DC |
490 | if (err) { |
491 | dev_err(rdev->dev, | |
492 | "Unable to create hwmon sysfs file: %d\n", err); | |
493 | hwmon_device_unregister(rdev->dev); | |
494 | } | |
21a8122a AD |
495 | break; |
496 | default: | |
497 | break; | |
498 | } | |
0d18abed DC |
499 | |
500 | return err; | |
21a8122a AD |
501 | } |
502 | ||
503 | static void radeon_hwmon_fini(struct radeon_device *rdev) | |
504 | { | |
505 | if (rdev->pm.int_hwmon_dev) { | |
506 | sysfs_remove_group(&rdev->pm.int_hwmon_dev->kobj, &hwmon_attrgroup); | |
507 | hwmon_device_unregister(rdev->pm.int_hwmon_dev); | |
508 | } | |
509 | } | |
510 | ||
ce8f5370 | 511 | void radeon_pm_suspend(struct radeon_device *rdev) |
56278a8e | 512 | { |
ce8f5370 | 513 | mutex_lock(&rdev->pm.mutex); |
3f53eb6f | 514 | if (rdev->pm.pm_method == PM_METHOD_DYNPM) { |
3f53eb6f RW |
515 | if (rdev->pm.dynpm_state == DYNPM_STATE_ACTIVE) |
516 | rdev->pm.dynpm_state = DYNPM_STATE_SUSPENDED; | |
3f53eb6f | 517 | } |
ce8f5370 | 518 | mutex_unlock(&rdev->pm.mutex); |
32c87fca TH |
519 | |
520 | cancel_delayed_work_sync(&rdev->pm.dynpm_idle_work); | |
56278a8e AD |
521 | } |
522 | ||
ce8f5370 | 523 | void radeon_pm_resume(struct radeon_device *rdev) |
d0d6cb81 | 524 | { |
ed18a360 | 525 | /* set up the default clocks if the MC ucode is loaded */ |
2e3b3b10 AD |
526 | if ((rdev->family >= CHIP_BARTS) && |
527 | (rdev->family <= CHIP_CAYMAN) && | |
528 | rdev->mc_fw) { | |
ed18a360 | 529 | if (rdev->pm.default_vddc) |
8a83ec5e AD |
530 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, |
531 | SET_VOLTAGE_TYPE_ASIC_VDDC); | |
2feea49a AD |
532 | if (rdev->pm.default_vddci) |
533 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddci, | |
534 | SET_VOLTAGE_TYPE_ASIC_VDDCI); | |
ed18a360 AD |
535 | if (rdev->pm.default_sclk) |
536 | radeon_set_engine_clock(rdev, rdev->pm.default_sclk); | |
537 | if (rdev->pm.default_mclk) | |
538 | radeon_set_memory_clock(rdev, rdev->pm.default_mclk); | |
539 | } | |
f8ed8b4c AD |
540 | /* asic init will reset the default power state */ |
541 | mutex_lock(&rdev->pm.mutex); | |
542 | rdev->pm.current_power_state_index = rdev->pm.default_power_state_index; | |
543 | rdev->pm.current_clock_mode_index = 0; | |
9ace9f7b AD |
544 | rdev->pm.current_sclk = rdev->pm.default_sclk; |
545 | rdev->pm.current_mclk = rdev->pm.default_mclk; | |
4d60173f | 546 | rdev->pm.current_vddc = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage; |
2feea49a | 547 | rdev->pm.current_vddci = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.vddci; |
3f53eb6f RW |
548 | if (rdev->pm.pm_method == PM_METHOD_DYNPM |
549 | && rdev->pm.dynpm_state == DYNPM_STATE_SUSPENDED) { | |
550 | rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE; | |
32c87fca TH |
551 | schedule_delayed_work(&rdev->pm.dynpm_idle_work, |
552 | msecs_to_jiffies(RADEON_IDLE_LOOP_MS)); | |
3f53eb6f | 553 | } |
f8ed8b4c | 554 | mutex_unlock(&rdev->pm.mutex); |
ce8f5370 | 555 | radeon_pm_compute_clocks(rdev); |
d0d6cb81 RM |
556 | } |
557 | ||
7433874e RM |
558 | int radeon_pm_init(struct radeon_device *rdev) |
559 | { | |
26481fb1 | 560 | int ret; |
0d18abed | 561 | |
ce8f5370 AD |
562 | /* default to profile method */ |
563 | rdev->pm.pm_method = PM_METHOD_PROFILE; | |
f8ed8b4c | 564 | rdev->pm.profile = PM_PROFILE_DEFAULT; |
ce8f5370 AD |
565 | rdev->pm.dynpm_state = DYNPM_STATE_DISABLED; |
566 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE; | |
567 | rdev->pm.dynpm_can_upclock = true; | |
568 | rdev->pm.dynpm_can_downclock = true; | |
9ace9f7b AD |
569 | rdev->pm.default_sclk = rdev->clock.default_sclk; |
570 | rdev->pm.default_mclk = rdev->clock.default_mclk; | |
f8ed8b4c AD |
571 | rdev->pm.current_sclk = rdev->clock.default_sclk; |
572 | rdev->pm.current_mclk = rdev->clock.default_mclk; | |
21a8122a | 573 | rdev->pm.int_thermal_type = THERMAL_TYPE_NONE; |
c913e23a | 574 | |
56278a8e AD |
575 | if (rdev->bios) { |
576 | if (rdev->is_atom_bios) | |
577 | radeon_atombios_get_power_modes(rdev); | |
578 | else | |
579 | radeon_combios_get_power_modes(rdev); | |
f712d0c7 | 580 | radeon_pm_print_states(rdev); |
ce8f5370 | 581 | radeon_pm_init_profile(rdev); |
ed18a360 | 582 | /* set up the default clocks if the MC ucode is loaded */ |
2e3b3b10 AD |
583 | if ((rdev->family >= CHIP_BARTS) && |
584 | (rdev->family <= CHIP_CAYMAN) && | |
585 | rdev->mc_fw) { | |
ed18a360 | 586 | if (rdev->pm.default_vddc) |
8a83ec5e AD |
587 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, |
588 | SET_VOLTAGE_TYPE_ASIC_VDDC); | |
4639dd21 AD |
589 | if (rdev->pm.default_vddci) |
590 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddci, | |
591 | SET_VOLTAGE_TYPE_ASIC_VDDCI); | |
ed18a360 AD |
592 | if (rdev->pm.default_sclk) |
593 | radeon_set_engine_clock(rdev, rdev->pm.default_sclk); | |
594 | if (rdev->pm.default_mclk) | |
595 | radeon_set_memory_clock(rdev, rdev->pm.default_mclk); | |
596 | } | |
56278a8e AD |
597 | } |
598 | ||
21a8122a | 599 | /* set up the internal thermal sensor if applicable */ |
0d18abed DC |
600 | ret = radeon_hwmon_init(rdev); |
601 | if (ret) | |
602 | return ret; | |
32c87fca TH |
603 | |
604 | INIT_DELAYED_WORK(&rdev->pm.dynpm_idle_work, radeon_dynpm_idle_work_handler); | |
605 | ||
ce8f5370 | 606 | if (rdev->pm.num_power_states > 1) { |
ce8f5370 | 607 | /* where's the best place to put these? */ |
26481fb1 DA |
608 | ret = device_create_file(rdev->dev, &dev_attr_power_profile); |
609 | if (ret) | |
610 | DRM_ERROR("failed to create device file for power profile\n"); | |
611 | ret = device_create_file(rdev->dev, &dev_attr_power_method); | |
612 | if (ret) | |
613 | DRM_ERROR("failed to create device file for power method\n"); | |
a424816f | 614 | |
ce8f5370 AD |
615 | if (radeon_debugfs_pm_init(rdev)) { |
616 | DRM_ERROR("Failed to register debugfs file for PM!\n"); | |
617 | } | |
c913e23a | 618 | |
ce8f5370 AD |
619 | DRM_INFO("radeon: power management initialized\n"); |
620 | } | |
c913e23a | 621 | |
7433874e RM |
622 | return 0; |
623 | } | |
624 | ||
29fb52ca AD |
625 | void radeon_pm_fini(struct radeon_device *rdev) |
626 | { | |
ce8f5370 | 627 | if (rdev->pm.num_power_states > 1) { |
a424816f | 628 | mutex_lock(&rdev->pm.mutex); |
ce8f5370 AD |
629 | if (rdev->pm.pm_method == PM_METHOD_PROFILE) { |
630 | rdev->pm.profile = PM_PROFILE_DEFAULT; | |
631 | radeon_pm_update_profile(rdev); | |
632 | radeon_pm_set_clocks(rdev); | |
633 | } else if (rdev->pm.pm_method == PM_METHOD_DYNPM) { | |
ce8f5370 AD |
634 | /* reset default clocks */ |
635 | rdev->pm.dynpm_state = DYNPM_STATE_DISABLED; | |
636 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_DEFAULT; | |
637 | radeon_pm_set_clocks(rdev); | |
638 | } | |
a424816f | 639 | mutex_unlock(&rdev->pm.mutex); |
32c87fca TH |
640 | |
641 | cancel_delayed_work_sync(&rdev->pm.dynpm_idle_work); | |
58e21dff | 642 | |
ce8f5370 AD |
643 | device_remove_file(rdev->dev, &dev_attr_power_profile); |
644 | device_remove_file(rdev->dev, &dev_attr_power_method); | |
ce8f5370 | 645 | } |
a424816f | 646 | |
0975b162 AD |
647 | if (rdev->pm.power_state) |
648 | kfree(rdev->pm.power_state); | |
649 | ||
21a8122a | 650 | radeon_hwmon_fini(rdev); |
29fb52ca AD |
651 | } |
652 | ||
c913e23a RM |
653 | void radeon_pm_compute_clocks(struct radeon_device *rdev) |
654 | { | |
655 | struct drm_device *ddev = rdev->ddev; | |
a48b9b4e | 656 | struct drm_crtc *crtc; |
c913e23a | 657 | struct radeon_crtc *radeon_crtc; |
c913e23a | 658 | |
ce8f5370 AD |
659 | if (rdev->pm.num_power_states < 2) |
660 | return; | |
661 | ||
c913e23a RM |
662 | mutex_lock(&rdev->pm.mutex); |
663 | ||
664 | rdev->pm.active_crtcs = 0; | |
a48b9b4e AD |
665 | rdev->pm.active_crtc_count = 0; |
666 | list_for_each_entry(crtc, | |
667 | &ddev->mode_config.crtc_list, head) { | |
668 | radeon_crtc = to_radeon_crtc(crtc); | |
669 | if (radeon_crtc->enabled) { | |
c913e23a | 670 | rdev->pm.active_crtcs |= (1 << radeon_crtc->crtc_id); |
a48b9b4e | 671 | rdev->pm.active_crtc_count++; |
c913e23a RM |
672 | } |
673 | } | |
674 | ||
ce8f5370 AD |
675 | if (rdev->pm.pm_method == PM_METHOD_PROFILE) { |
676 | radeon_pm_update_profile(rdev); | |
677 | radeon_pm_set_clocks(rdev); | |
678 | } else if (rdev->pm.pm_method == PM_METHOD_DYNPM) { | |
679 | if (rdev->pm.dynpm_state != DYNPM_STATE_DISABLED) { | |
680 | if (rdev->pm.active_crtc_count > 1) { | |
681 | if (rdev->pm.dynpm_state == DYNPM_STATE_ACTIVE) { | |
682 | cancel_delayed_work(&rdev->pm.dynpm_idle_work); | |
683 | ||
684 | rdev->pm.dynpm_state = DYNPM_STATE_PAUSED; | |
685 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_DEFAULT; | |
686 | radeon_pm_get_dynpm_state(rdev); | |
687 | radeon_pm_set_clocks(rdev); | |
688 | ||
d9fdaafb | 689 | DRM_DEBUG_DRIVER("radeon: dynamic power management deactivated\n"); |
ce8f5370 AD |
690 | } |
691 | } else if (rdev->pm.active_crtc_count == 1) { | |
692 | /* TODO: Increase clocks if needed for current mode */ | |
693 | ||
694 | if (rdev->pm.dynpm_state == DYNPM_STATE_MINIMUM) { | |
695 | rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE; | |
696 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_UPCLOCK; | |
697 | radeon_pm_get_dynpm_state(rdev); | |
698 | radeon_pm_set_clocks(rdev); | |
699 | ||
32c87fca TH |
700 | schedule_delayed_work(&rdev->pm.dynpm_idle_work, |
701 | msecs_to_jiffies(RADEON_IDLE_LOOP_MS)); | |
ce8f5370 AD |
702 | } else if (rdev->pm.dynpm_state == DYNPM_STATE_PAUSED) { |
703 | rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE; | |
32c87fca TH |
704 | schedule_delayed_work(&rdev->pm.dynpm_idle_work, |
705 | msecs_to_jiffies(RADEON_IDLE_LOOP_MS)); | |
d9fdaafb | 706 | DRM_DEBUG_DRIVER("radeon: dynamic power management activated\n"); |
ce8f5370 AD |
707 | } |
708 | } else { /* count == 0 */ | |
709 | if (rdev->pm.dynpm_state != DYNPM_STATE_MINIMUM) { | |
710 | cancel_delayed_work(&rdev->pm.dynpm_idle_work); | |
711 | ||
712 | rdev->pm.dynpm_state = DYNPM_STATE_MINIMUM; | |
713 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_MINIMUM; | |
714 | radeon_pm_get_dynpm_state(rdev); | |
715 | radeon_pm_set_clocks(rdev); | |
716 | } | |
717 | } | |
c913e23a | 718 | } |
c913e23a | 719 | } |
73a6d3fc RM |
720 | |
721 | mutex_unlock(&rdev->pm.mutex); | |
c913e23a RM |
722 | } |
723 | ||
ce8f5370 | 724 | static bool radeon_pm_in_vbl(struct radeon_device *rdev) |
f735261b | 725 | { |
75fa0b08 | 726 | int crtc, vpos, hpos, vbl_status; |
f735261b DA |
727 | bool in_vbl = true; |
728 | ||
75fa0b08 MK |
729 | /* Iterate over all active crtc's. All crtc's must be in vblank, |
730 | * otherwise return in_vbl == false. | |
731 | */ | |
732 | for (crtc = 0; (crtc < rdev->num_crtc) && in_vbl; crtc++) { | |
733 | if (rdev->pm.active_crtcs & (1 << crtc)) { | |
f5a80209 MK |
734 | vbl_status = radeon_get_crtc_scanoutpos(rdev->ddev, crtc, &vpos, &hpos); |
735 | if ((vbl_status & DRM_SCANOUTPOS_VALID) && | |
736 | !(vbl_status & DRM_SCANOUTPOS_INVBL)) | |
f735261b DA |
737 | in_vbl = false; |
738 | } | |
739 | } | |
f81f2024 MG |
740 | |
741 | return in_vbl; | |
742 | } | |
743 | ||
ce8f5370 | 744 | static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish) |
f81f2024 MG |
745 | { |
746 | u32 stat_crtc = 0; | |
747 | bool in_vbl = radeon_pm_in_vbl(rdev); | |
748 | ||
f735261b | 749 | if (in_vbl == false) |
d9fdaafb | 750 | DRM_DEBUG_DRIVER("not in vbl for pm change %08x at %s\n", stat_crtc, |
bae6b562 | 751 | finish ? "exit" : "entry"); |
f735261b DA |
752 | return in_vbl; |
753 | } | |
c913e23a | 754 | |
ce8f5370 | 755 | static void radeon_dynpm_idle_work_handler(struct work_struct *work) |
c913e23a RM |
756 | { |
757 | struct radeon_device *rdev; | |
d9932a32 | 758 | int resched; |
c913e23a | 759 | rdev = container_of(work, struct radeon_device, |
ce8f5370 | 760 | pm.dynpm_idle_work.work); |
c913e23a | 761 | |
d9932a32 | 762 | resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev); |
c913e23a | 763 | mutex_lock(&rdev->pm.mutex); |
ce8f5370 | 764 | if (rdev->pm.dynpm_state == DYNPM_STATE_ACTIVE) { |
c913e23a | 765 | int not_processed = 0; |
7465280c AD |
766 | int i; |
767 | ||
7465280c | 768 | for (i = 0; i < RADEON_NUM_RINGS; ++i) { |
0ec0612a AD |
769 | struct radeon_ring *ring = &rdev->ring[i]; |
770 | ||
771 | if (ring->ready) { | |
772 | not_processed += radeon_fence_count_emitted(rdev, i); | |
773 | if (not_processed >= 3) | |
774 | break; | |
775 | } | |
c913e23a | 776 | } |
c913e23a RM |
777 | |
778 | if (not_processed >= 3) { /* should upclock */ | |
ce8f5370 AD |
779 | if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_DOWNCLOCK) { |
780 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE; | |
781 | } else if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_NONE && | |
782 | rdev->pm.dynpm_can_upclock) { | |
783 | rdev->pm.dynpm_planned_action = | |
784 | DYNPM_ACTION_UPCLOCK; | |
785 | rdev->pm.dynpm_action_timeout = jiffies + | |
c913e23a RM |
786 | msecs_to_jiffies(RADEON_RECLOCK_DELAY_MS); |
787 | } | |
788 | } else if (not_processed == 0) { /* should downclock */ | |
ce8f5370 AD |
789 | if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_UPCLOCK) { |
790 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE; | |
791 | } else if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_NONE && | |
792 | rdev->pm.dynpm_can_downclock) { | |
793 | rdev->pm.dynpm_planned_action = | |
794 | DYNPM_ACTION_DOWNCLOCK; | |
795 | rdev->pm.dynpm_action_timeout = jiffies + | |
c913e23a RM |
796 | msecs_to_jiffies(RADEON_RECLOCK_DELAY_MS); |
797 | } | |
798 | } | |
799 | ||
d7311171 AD |
800 | /* Note, radeon_pm_set_clocks is called with static_switch set |
801 | * to false since we want to wait for vbl to avoid flicker. | |
802 | */ | |
ce8f5370 AD |
803 | if (rdev->pm.dynpm_planned_action != DYNPM_ACTION_NONE && |
804 | jiffies > rdev->pm.dynpm_action_timeout) { | |
805 | radeon_pm_get_dynpm_state(rdev); | |
806 | radeon_pm_set_clocks(rdev); | |
c913e23a | 807 | } |
3f53eb6f | 808 | |
32c87fca TH |
809 | schedule_delayed_work(&rdev->pm.dynpm_idle_work, |
810 | msecs_to_jiffies(RADEON_IDLE_LOOP_MS)); | |
c913e23a RM |
811 | } |
812 | mutex_unlock(&rdev->pm.mutex); | |
d9932a32 | 813 | ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched); |
c913e23a RM |
814 | } |
815 | ||
7433874e RM |
816 | /* |
817 | * Debugfs info | |
818 | */ | |
819 | #if defined(CONFIG_DEBUG_FS) | |
820 | ||
821 | static int radeon_debugfs_pm_info(struct seq_file *m, void *data) | |
822 | { | |
823 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
824 | struct drm_device *dev = node->minor->dev; | |
825 | struct radeon_device *rdev = dev->dev_private; | |
826 | ||
9ace9f7b | 827 | seq_printf(m, "default engine clock: %u0 kHz\n", rdev->pm.default_sclk); |
bf05d998 AD |
828 | /* radeon_get_engine_clock is not reliable on APUs so just print the current clock */ |
829 | if ((rdev->family >= CHIP_PALM) && (rdev->flags & RADEON_IS_IGP)) | |
830 | seq_printf(m, "current engine clock: %u0 kHz\n", rdev->pm.current_sclk); | |
831 | else | |
832 | seq_printf(m, "current engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev)); | |
9ace9f7b | 833 | seq_printf(m, "default memory clock: %u0 kHz\n", rdev->pm.default_mclk); |
798bcf73 | 834 | if (rdev->asic->pm.get_memory_clock) |
6234077d | 835 | seq_printf(m, "current memory clock: %u0 kHz\n", radeon_get_memory_clock(rdev)); |
0fcbe947 RM |
836 | if (rdev->pm.current_vddc) |
837 | seq_printf(m, "voltage: %u mV\n", rdev->pm.current_vddc); | |
798bcf73 | 838 | if (rdev->asic->pm.get_pcie_lanes) |
aa5120d2 | 839 | seq_printf(m, "PCIE lanes: %d\n", radeon_get_pcie_lanes(rdev)); |
7433874e RM |
840 | |
841 | return 0; | |
842 | } | |
843 | ||
844 | static struct drm_info_list radeon_pm_info_list[] = { | |
845 | {"radeon_pm_info", radeon_debugfs_pm_info, 0, NULL}, | |
846 | }; | |
847 | #endif | |
848 | ||
c913e23a | 849 | static int radeon_debugfs_pm_init(struct radeon_device *rdev) |
7433874e RM |
850 | { |
851 | #if defined(CONFIG_DEBUG_FS) | |
852 | return radeon_debugfs_add_files(rdev, radeon_pm_info_list, ARRAY_SIZE(radeon_pm_info_list)); | |
853 | #else | |
854 | return 0; | |
855 | #endif | |
856 | } |