Commit | Line | Data |
---|---|---|
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 RM |
22 | */ |
23 | #include "drmP.h" | |
24 | #include "radeon.h" | |
f735261b | 25 | #include "avivod.h" |
8a83ec5e | 26 | #include "atom.h" |
ce8f5370 AD |
27 | #ifdef CONFIG_ACPI |
28 | #include <linux/acpi.h> | |
29 | #endif | |
30 | #include <linux/power_supply.h> | |
21a8122a AD |
31 | #include <linux/hwmon.h> |
32 | #include <linux/hwmon-sysfs.h> | |
7433874e | 33 | |
c913e23a RM |
34 | #define RADEON_IDLE_LOOP_MS 100 |
35 | #define RADEON_RECLOCK_DELAY_MS 200 | |
73a6d3fc | 36 | #define RADEON_WAIT_VBLANK_TIMEOUT 200 |
2031f77c | 37 | #define RADEON_WAIT_IDLE_TIMEOUT 200 |
c913e23a | 38 | |
f712d0c7 RM |
39 | static const char *radeon_pm_state_type_name[5] = { |
40 | "Default", | |
41 | "Powersave", | |
42 | "Battery", | |
43 | "Balanced", | |
44 | "Performance", | |
45 | }; | |
46 | ||
ce8f5370 | 47 | static void radeon_dynpm_idle_work_handler(struct work_struct *work); |
c913e23a | 48 | static int radeon_debugfs_pm_init(struct radeon_device *rdev); |
ce8f5370 AD |
49 | static bool radeon_pm_in_vbl(struct radeon_device *rdev); |
50 | static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish); | |
51 | static void radeon_pm_update_profile(struct radeon_device *rdev); | |
52 | static void radeon_pm_set_clocks(struct radeon_device *rdev); | |
53 | ||
54 | #define ACPI_AC_CLASS "ac_adapter" | |
55 | ||
a4c9e2ee AD |
56 | int radeon_pm_get_type_index(struct radeon_device *rdev, |
57 | enum radeon_pm_state_type ps_type, | |
58 | int instance) | |
59 | { | |
60 | int i; | |
61 | int found_instance = -1; | |
62 | ||
63 | for (i = 0; i < rdev->pm.num_power_states; i++) { | |
64 | if (rdev->pm.power_state[i].type == ps_type) { | |
65 | found_instance++; | |
66 | if (found_instance == instance) | |
67 | return i; | |
68 | } | |
69 | } | |
70 | /* return default if no match */ | |
71 | return rdev->pm.default_power_state_index; | |
72 | } | |
73 | ||
ce8f5370 AD |
74 | #ifdef CONFIG_ACPI |
75 | static int radeon_acpi_event(struct notifier_block *nb, | |
76 | unsigned long val, | |
77 | void *data) | |
78 | { | |
79 | struct radeon_device *rdev = container_of(nb, struct radeon_device, acpi_nb); | |
80 | struct acpi_bus_event *entry = (struct acpi_bus_event *)data; | |
81 | ||
82 | if (strcmp(entry->device_class, ACPI_AC_CLASS) == 0) { | |
83 | if (power_supply_is_system_supplied() > 0) | |
d9fdaafb | 84 | DRM_DEBUG_DRIVER("pm: AC\n"); |
ce8f5370 | 85 | else |
d9fdaafb | 86 | DRM_DEBUG_DRIVER("pm: DC\n"); |
ce8f5370 AD |
87 | |
88 | if (rdev->pm.pm_method == PM_METHOD_PROFILE) { | |
89 | if (rdev->pm.profile == PM_PROFILE_AUTO) { | |
90 | mutex_lock(&rdev->pm.mutex); | |
91 | radeon_pm_update_profile(rdev); | |
92 | radeon_pm_set_clocks(rdev); | |
93 | mutex_unlock(&rdev->pm.mutex); | |
94 | } | |
95 | } | |
96 | } | |
97 | ||
98 | return NOTIFY_OK; | |
99 | } | |
100 | #endif | |
101 | ||
102 | static void radeon_pm_update_profile(struct radeon_device *rdev) | |
103 | { | |
104 | switch (rdev->pm.profile) { | |
105 | case PM_PROFILE_DEFAULT: | |
106 | rdev->pm.profile_index = PM_PROFILE_DEFAULT_IDX; | |
107 | break; | |
108 | case PM_PROFILE_AUTO: | |
109 | if (power_supply_is_system_supplied() > 0) { | |
110 | if (rdev->pm.active_crtc_count > 1) | |
111 | rdev->pm.profile_index = PM_PROFILE_HIGH_MH_IDX; | |
112 | else | |
113 | rdev->pm.profile_index = PM_PROFILE_HIGH_SH_IDX; | |
114 | } else { | |
115 | if (rdev->pm.active_crtc_count > 1) | |
c9e75b21 | 116 | rdev->pm.profile_index = PM_PROFILE_MID_MH_IDX; |
ce8f5370 | 117 | else |
c9e75b21 | 118 | rdev->pm.profile_index = PM_PROFILE_MID_SH_IDX; |
ce8f5370 AD |
119 | } |
120 | break; | |
121 | case PM_PROFILE_LOW: | |
122 | if (rdev->pm.active_crtc_count > 1) | |
123 | rdev->pm.profile_index = PM_PROFILE_LOW_MH_IDX; | |
124 | else | |
125 | rdev->pm.profile_index = PM_PROFILE_LOW_SH_IDX; | |
126 | break; | |
c9e75b21 AD |
127 | case PM_PROFILE_MID: |
128 | if (rdev->pm.active_crtc_count > 1) | |
129 | rdev->pm.profile_index = PM_PROFILE_MID_MH_IDX; | |
130 | else | |
131 | rdev->pm.profile_index = PM_PROFILE_MID_SH_IDX; | |
132 | break; | |
ce8f5370 AD |
133 | case PM_PROFILE_HIGH: |
134 | if (rdev->pm.active_crtc_count > 1) | |
135 | rdev->pm.profile_index = PM_PROFILE_HIGH_MH_IDX; | |
136 | else | |
137 | rdev->pm.profile_index = PM_PROFILE_HIGH_SH_IDX; | |
138 | break; | |
139 | } | |
140 | ||
141 | if (rdev->pm.active_crtc_count == 0) { | |
142 | rdev->pm.requested_power_state_index = | |
143 | rdev->pm.profiles[rdev->pm.profile_index].dpms_off_ps_idx; | |
144 | rdev->pm.requested_clock_mode_index = | |
145 | rdev->pm.profiles[rdev->pm.profile_index].dpms_off_cm_idx; | |
146 | } else { | |
147 | rdev->pm.requested_power_state_index = | |
148 | rdev->pm.profiles[rdev->pm.profile_index].dpms_on_ps_idx; | |
149 | rdev->pm.requested_clock_mode_index = | |
150 | rdev->pm.profiles[rdev->pm.profile_index].dpms_on_cm_idx; | |
151 | } | |
152 | } | |
c913e23a | 153 | |
5876dd24 MG |
154 | static void radeon_unmap_vram_bos(struct radeon_device *rdev) |
155 | { | |
156 | struct radeon_bo *bo, *n; | |
157 | ||
158 | if (list_empty(&rdev->gem.objects)) | |
159 | return; | |
160 | ||
161 | list_for_each_entry_safe(bo, n, &rdev->gem.objects, list) { | |
162 | if (bo->tbo.mem.mem_type == TTM_PL_VRAM) | |
163 | ttm_bo_unmap_virtual(&bo->tbo); | |
164 | } | |
5876dd24 MG |
165 | } |
166 | ||
ce8f5370 | 167 | static void radeon_sync_with_vblank(struct radeon_device *rdev) |
a424816f | 168 | { |
ce8f5370 AD |
169 | if (rdev->pm.active_crtcs) { |
170 | rdev->pm.vblank_sync = false; | |
171 | wait_event_timeout( | |
172 | rdev->irq.vblank_queue, rdev->pm.vblank_sync, | |
173 | msecs_to_jiffies(RADEON_WAIT_VBLANK_TIMEOUT)); | |
174 | } | |
175 | } | |
176 | ||
177 | static void radeon_set_power_state(struct radeon_device *rdev) | |
178 | { | |
179 | u32 sclk, mclk; | |
92645879 | 180 | bool misc_after = false; |
ce8f5370 AD |
181 | |
182 | if ((rdev->pm.requested_clock_mode_index == rdev->pm.current_clock_mode_index) && | |
183 | (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index)) | |
184 | return; | |
185 | ||
186 | if (radeon_gui_idle(rdev)) { | |
187 | sclk = rdev->pm.power_state[rdev->pm.requested_power_state_index]. | |
188 | clock_info[rdev->pm.requested_clock_mode_index].sclk; | |
9ace9f7b AD |
189 | if (sclk > rdev->pm.default_sclk) |
190 | sclk = rdev->pm.default_sclk; | |
ce8f5370 AD |
191 | |
192 | mclk = rdev->pm.power_state[rdev->pm.requested_power_state_index]. | |
193 | clock_info[rdev->pm.requested_clock_mode_index].mclk; | |
9ace9f7b AD |
194 | if (mclk > rdev->pm.default_mclk) |
195 | mclk = rdev->pm.default_mclk; | |
ce8f5370 | 196 | |
92645879 AD |
197 | /* upvolt before raising clocks, downvolt after lowering clocks */ |
198 | if (sclk < rdev->pm.current_sclk) | |
199 | misc_after = true; | |
ce8f5370 | 200 | |
92645879 | 201 | radeon_sync_with_vblank(rdev); |
ce8f5370 | 202 | |
92645879 | 203 | if (rdev->pm.pm_method == PM_METHOD_DYNPM) { |
ce8f5370 AD |
204 | if (!radeon_pm_in_vbl(rdev)) |
205 | return; | |
92645879 | 206 | } |
ce8f5370 | 207 | |
92645879 | 208 | radeon_pm_prepare(rdev); |
ce8f5370 | 209 | |
92645879 AD |
210 | if (!misc_after) |
211 | /* voltage, pcie lanes, etc.*/ | |
212 | radeon_pm_misc(rdev); | |
213 | ||
214 | /* set engine clock */ | |
215 | if (sclk != rdev->pm.current_sclk) { | |
216 | radeon_pm_debug_check_in_vbl(rdev, false); | |
217 | radeon_set_engine_clock(rdev, sclk); | |
218 | radeon_pm_debug_check_in_vbl(rdev, true); | |
219 | rdev->pm.current_sclk = sclk; | |
d9fdaafb | 220 | DRM_DEBUG_DRIVER("Setting: e: %d\n", sclk); |
92645879 AD |
221 | } |
222 | ||
223 | /* set memory clock */ | |
798bcf73 | 224 | if (rdev->asic->pm.set_memory_clock && (mclk != rdev->pm.current_mclk)) { |
92645879 AD |
225 | radeon_pm_debug_check_in_vbl(rdev, false); |
226 | radeon_set_memory_clock(rdev, mclk); | |
227 | radeon_pm_debug_check_in_vbl(rdev, true); | |
228 | rdev->pm.current_mclk = mclk; | |
d9fdaafb | 229 | DRM_DEBUG_DRIVER("Setting: m: %d\n", mclk); |
ce8f5370 | 230 | } |
2aba631c | 231 | |
92645879 AD |
232 | if (misc_after) |
233 | /* voltage, pcie lanes, etc.*/ | |
234 | radeon_pm_misc(rdev); | |
235 | ||
236 | radeon_pm_finish(rdev); | |
237 | ||
ce8f5370 AD |
238 | rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index; |
239 | rdev->pm.current_clock_mode_index = rdev->pm.requested_clock_mode_index; | |
240 | } else | |
d9fdaafb | 241 | DRM_DEBUG_DRIVER("pm: GUI not idle!!!\n"); |
ce8f5370 AD |
242 | } |
243 | ||
244 | static void radeon_pm_set_clocks(struct radeon_device *rdev) | |
245 | { | |
246 | int i; | |
c37d230a | 247 | |
4e186b2d AD |
248 | /* no need to take locks, etc. if nothing's going to change */ |
249 | if ((rdev->pm.requested_clock_mode_index == rdev->pm.current_clock_mode_index) && | |
250 | (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index)) | |
251 | return; | |
252 | ||
612e06ce MG |
253 | mutex_lock(&rdev->ddev->struct_mutex); |
254 | mutex_lock(&rdev->vram_mutex); | |
d6999bc7 | 255 | mutex_lock(&rdev->ring_lock); |
4f3218cb AD |
256 | |
257 | /* gui idle int has issues on older chips it seems */ | |
258 | if (rdev->family >= CHIP_R600) { | |
ce8f5370 AD |
259 | if (rdev->irq.installed) { |
260 | /* wait for GPU idle */ | |
261 | rdev->pm.gui_idle = false; | |
262 | rdev->irq.gui_idle = true; | |
263 | radeon_irq_set(rdev); | |
264 | wait_event_interruptible_timeout( | |
265 | rdev->irq.idle_queue, rdev->pm.gui_idle, | |
266 | msecs_to_jiffies(RADEON_WAIT_IDLE_TIMEOUT)); | |
267 | rdev->irq.gui_idle = false; | |
268 | radeon_irq_set(rdev); | |
269 | } | |
01434b4b | 270 | } else { |
e32eb50d CK |
271 | struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; |
272 | if (ring->ready) { | |
8a47cc9e | 273 | radeon_fence_wait_empty_locked(rdev, RADEON_RING_TYPE_GFX_INDEX); |
ce8f5370 | 274 | } |
4f3218cb | 275 | } |
5876dd24 MG |
276 | radeon_unmap_vram_bos(rdev); |
277 | ||
ce8f5370 | 278 | if (rdev->irq.installed) { |
2aba631c MG |
279 | for (i = 0; i < rdev->num_crtc; i++) { |
280 | if (rdev->pm.active_crtcs & (1 << i)) { | |
281 | rdev->pm.req_vblank |= (1 << i); | |
282 | drm_vblank_get(rdev->ddev, i); | |
283 | } | |
284 | } | |
285 | } | |
539d2418 | 286 | |
ce8f5370 | 287 | radeon_set_power_state(rdev); |
2aba631c | 288 | |
ce8f5370 | 289 | if (rdev->irq.installed) { |
2aba631c MG |
290 | for (i = 0; i < rdev->num_crtc; i++) { |
291 | if (rdev->pm.req_vblank & (1 << i)) { | |
292 | rdev->pm.req_vblank &= ~(1 << i); | |
293 | drm_vblank_put(rdev->ddev, i); | |
294 | } | |
295 | } | |
296 | } | |
5876dd24 | 297 | |
a424816f AD |
298 | /* update display watermarks based on new power state */ |
299 | radeon_update_bandwidth_info(rdev); | |
300 | if (rdev->pm.active_crtc_count) | |
301 | radeon_bandwidth_update(rdev); | |
302 | ||
ce8f5370 | 303 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE; |
2aba631c | 304 | |
d6999bc7 | 305 | mutex_unlock(&rdev->ring_lock); |
612e06ce MG |
306 | mutex_unlock(&rdev->vram_mutex); |
307 | mutex_unlock(&rdev->ddev->struct_mutex); | |
a424816f AD |
308 | } |
309 | ||
f712d0c7 RM |
310 | static void radeon_pm_print_states(struct radeon_device *rdev) |
311 | { | |
312 | int i, j; | |
313 | struct radeon_power_state *power_state; | |
314 | struct radeon_pm_clock_info *clock_info; | |
315 | ||
d9fdaafb | 316 | DRM_DEBUG_DRIVER("%d Power State(s)\n", rdev->pm.num_power_states); |
f712d0c7 RM |
317 | for (i = 0; i < rdev->pm.num_power_states; i++) { |
318 | power_state = &rdev->pm.power_state[i]; | |
d9fdaafb | 319 | DRM_DEBUG_DRIVER("State %d: %s\n", i, |
f712d0c7 RM |
320 | radeon_pm_state_type_name[power_state->type]); |
321 | if (i == rdev->pm.default_power_state_index) | |
d9fdaafb | 322 | DRM_DEBUG_DRIVER("\tDefault"); |
f712d0c7 | 323 | if ((rdev->flags & RADEON_IS_PCIE) && !(rdev->flags & RADEON_IS_IGP)) |
d9fdaafb | 324 | DRM_DEBUG_DRIVER("\t%d PCIE Lanes\n", power_state->pcie_lanes); |
f712d0c7 | 325 | if (power_state->flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) |
d9fdaafb DA |
326 | DRM_DEBUG_DRIVER("\tSingle display only\n"); |
327 | DRM_DEBUG_DRIVER("\t%d Clock Mode(s)\n", power_state->num_clock_modes); | |
f712d0c7 RM |
328 | for (j = 0; j < power_state->num_clock_modes; j++) { |
329 | clock_info = &(power_state->clock_info[j]); | |
330 | if (rdev->flags & RADEON_IS_IGP) | |
d9fdaafb | 331 | DRM_DEBUG_DRIVER("\t\t%d e: %d%s\n", |
f712d0c7 RM |
332 | j, |
333 | clock_info->sclk * 10, | |
334 | clock_info->flags & RADEON_PM_MODE_NO_DISPLAY ? "\tNo display only" : ""); | |
335 | else | |
d9fdaafb | 336 | DRM_DEBUG_DRIVER("\t\t%d e: %d\tm: %d\tv: %d%s\n", |
f712d0c7 RM |
337 | j, |
338 | clock_info->sclk * 10, | |
339 | clock_info->mclk * 10, | |
340 | clock_info->voltage.voltage, | |
341 | clock_info->flags & RADEON_PM_MODE_NO_DISPLAY ? "\tNo display only" : ""); | |
342 | } | |
343 | } | |
344 | } | |
345 | ||
ce8f5370 AD |
346 | static ssize_t radeon_get_pm_profile(struct device *dev, |
347 | struct device_attribute *attr, | |
348 | char *buf) | |
a424816f AD |
349 | { |
350 | struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); | |
351 | struct radeon_device *rdev = ddev->dev_private; | |
ce8f5370 | 352 | int cp = rdev->pm.profile; |
a424816f | 353 | |
ce8f5370 AD |
354 | return snprintf(buf, PAGE_SIZE, "%s\n", |
355 | (cp == PM_PROFILE_AUTO) ? "auto" : | |
356 | (cp == PM_PROFILE_LOW) ? "low" : | |
12e27be8 | 357 | (cp == PM_PROFILE_MID) ? "mid" : |
ce8f5370 | 358 | (cp == PM_PROFILE_HIGH) ? "high" : "default"); |
a424816f AD |
359 | } |
360 | ||
ce8f5370 AD |
361 | static ssize_t radeon_set_pm_profile(struct device *dev, |
362 | struct device_attribute *attr, | |
363 | const char *buf, | |
364 | size_t count) | |
a424816f AD |
365 | { |
366 | struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); | |
367 | struct radeon_device *rdev = ddev->dev_private; | |
a424816f AD |
368 | |
369 | mutex_lock(&rdev->pm.mutex); | |
ce8f5370 AD |
370 | if (rdev->pm.pm_method == PM_METHOD_PROFILE) { |
371 | if (strncmp("default", buf, strlen("default")) == 0) | |
372 | rdev->pm.profile = PM_PROFILE_DEFAULT; | |
373 | else if (strncmp("auto", buf, strlen("auto")) == 0) | |
374 | rdev->pm.profile = PM_PROFILE_AUTO; | |
375 | else if (strncmp("low", buf, strlen("low")) == 0) | |
376 | rdev->pm.profile = PM_PROFILE_LOW; | |
c9e75b21 AD |
377 | else if (strncmp("mid", buf, strlen("mid")) == 0) |
378 | rdev->pm.profile = PM_PROFILE_MID; | |
ce8f5370 AD |
379 | else if (strncmp("high", buf, strlen("high")) == 0) |
380 | rdev->pm.profile = PM_PROFILE_HIGH; | |
381 | else { | |
1783e4bf | 382 | count = -EINVAL; |
ce8f5370 | 383 | goto fail; |
a424816f | 384 | } |
ce8f5370 AD |
385 | radeon_pm_update_profile(rdev); |
386 | radeon_pm_set_clocks(rdev); | |
1783e4bf TR |
387 | } else |
388 | count = -EINVAL; | |
389 | ||
ce8f5370 | 390 | fail: |
a424816f AD |
391 | mutex_unlock(&rdev->pm.mutex); |
392 | ||
393 | return count; | |
394 | } | |
395 | ||
ce8f5370 AD |
396 | static ssize_t radeon_get_pm_method(struct device *dev, |
397 | struct device_attribute *attr, | |
398 | char *buf) | |
a424816f AD |
399 | { |
400 | struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); | |
401 | struct radeon_device *rdev = ddev->dev_private; | |
ce8f5370 | 402 | int pm = rdev->pm.pm_method; |
a424816f AD |
403 | |
404 | return snprintf(buf, PAGE_SIZE, "%s\n", | |
ce8f5370 | 405 | (pm == PM_METHOD_DYNPM) ? "dynpm" : "profile"); |
a424816f AD |
406 | } |
407 | ||
ce8f5370 AD |
408 | static ssize_t radeon_set_pm_method(struct device *dev, |
409 | struct device_attribute *attr, | |
410 | const char *buf, | |
411 | size_t count) | |
a424816f AD |
412 | { |
413 | struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); | |
414 | struct radeon_device *rdev = ddev->dev_private; | |
a424816f | 415 | |
ce8f5370 AD |
416 | |
417 | if (strncmp("dynpm", buf, strlen("dynpm")) == 0) { | |
a424816f | 418 | mutex_lock(&rdev->pm.mutex); |
ce8f5370 AD |
419 | rdev->pm.pm_method = PM_METHOD_DYNPM; |
420 | rdev->pm.dynpm_state = DYNPM_STATE_PAUSED; | |
421 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_DEFAULT; | |
a424816f | 422 | mutex_unlock(&rdev->pm.mutex); |
ce8f5370 AD |
423 | } else if (strncmp("profile", buf, strlen("profile")) == 0) { |
424 | mutex_lock(&rdev->pm.mutex); | |
ce8f5370 AD |
425 | /* disable dynpm */ |
426 | rdev->pm.dynpm_state = DYNPM_STATE_DISABLED; | |
427 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE; | |
3f53eb6f | 428 | rdev->pm.pm_method = PM_METHOD_PROFILE; |
ce8f5370 | 429 | mutex_unlock(&rdev->pm.mutex); |
32c87fca | 430 | cancel_delayed_work_sync(&rdev->pm.dynpm_idle_work); |
ce8f5370 | 431 | } else { |
1783e4bf | 432 | count = -EINVAL; |
ce8f5370 AD |
433 | goto fail; |
434 | } | |
435 | radeon_pm_compute_clocks(rdev); | |
436 | fail: | |
a424816f AD |
437 | return count; |
438 | } | |
439 | ||
ce8f5370 AD |
440 | static DEVICE_ATTR(power_profile, S_IRUGO | S_IWUSR, radeon_get_pm_profile, radeon_set_pm_profile); |
441 | static DEVICE_ATTR(power_method, S_IRUGO | S_IWUSR, radeon_get_pm_method, radeon_set_pm_method); | |
a424816f | 442 | |
21a8122a AD |
443 | static ssize_t radeon_hwmon_show_temp(struct device *dev, |
444 | struct device_attribute *attr, | |
445 | char *buf) | |
446 | { | |
447 | struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); | |
448 | struct radeon_device *rdev = ddev->dev_private; | |
20d391d7 | 449 | int temp; |
21a8122a AD |
450 | |
451 | switch (rdev->pm.int_thermal_type) { | |
452 | case THERMAL_TYPE_RV6XX: | |
453 | temp = rv6xx_get_temp(rdev); | |
454 | break; | |
455 | case THERMAL_TYPE_RV770: | |
456 | temp = rv770_get_temp(rdev); | |
457 | break; | |
458 | case THERMAL_TYPE_EVERGREEN: | |
4fddba1f | 459 | case THERMAL_TYPE_NI: |
21a8122a AD |
460 | temp = evergreen_get_temp(rdev); |
461 | break; | |
e33df25f AD |
462 | case THERMAL_TYPE_SUMO: |
463 | temp = sumo_get_temp(rdev); | |
464 | break; | |
1bd47d2e AD |
465 | case THERMAL_TYPE_SI: |
466 | temp = si_get_temp(rdev); | |
467 | break; | |
21a8122a AD |
468 | default: |
469 | temp = 0; | |
470 | break; | |
471 | } | |
472 | ||
473 | return snprintf(buf, PAGE_SIZE, "%d\n", temp); | |
474 | } | |
475 | ||
476 | static ssize_t radeon_hwmon_show_name(struct device *dev, | |
477 | struct device_attribute *attr, | |
478 | char *buf) | |
479 | { | |
480 | return sprintf(buf, "radeon\n"); | |
481 | } | |
482 | ||
483 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, radeon_hwmon_show_temp, NULL, 0); | |
484 | static SENSOR_DEVICE_ATTR(name, S_IRUGO, radeon_hwmon_show_name, NULL, 0); | |
485 | ||
486 | static struct attribute *hwmon_attributes[] = { | |
487 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
488 | &sensor_dev_attr_name.dev_attr.attr, | |
489 | NULL | |
490 | }; | |
491 | ||
492 | static const struct attribute_group hwmon_attrgroup = { | |
493 | .attrs = hwmon_attributes, | |
494 | }; | |
495 | ||
0d18abed | 496 | static int radeon_hwmon_init(struct radeon_device *rdev) |
21a8122a | 497 | { |
0d18abed | 498 | int err = 0; |
21a8122a AD |
499 | |
500 | rdev->pm.int_hwmon_dev = NULL; | |
501 | ||
502 | switch (rdev->pm.int_thermal_type) { | |
503 | case THERMAL_TYPE_RV6XX: | |
504 | case THERMAL_TYPE_RV770: | |
505 | case THERMAL_TYPE_EVERGREEN: | |
457558ed | 506 | case THERMAL_TYPE_NI: |
e33df25f | 507 | case THERMAL_TYPE_SUMO: |
1bd47d2e | 508 | case THERMAL_TYPE_SI: |
5d7486c7 AD |
509 | /* No support for TN yet */ |
510 | if (rdev->family == CHIP_ARUBA) | |
511 | return err; | |
21a8122a | 512 | rdev->pm.int_hwmon_dev = hwmon_device_register(rdev->dev); |
0d18abed DC |
513 | if (IS_ERR(rdev->pm.int_hwmon_dev)) { |
514 | err = PTR_ERR(rdev->pm.int_hwmon_dev); | |
515 | dev_err(rdev->dev, | |
516 | "Unable to register hwmon device: %d\n", err); | |
517 | break; | |
518 | } | |
21a8122a AD |
519 | dev_set_drvdata(rdev->pm.int_hwmon_dev, rdev->ddev); |
520 | err = sysfs_create_group(&rdev->pm.int_hwmon_dev->kobj, | |
521 | &hwmon_attrgroup); | |
0d18abed DC |
522 | if (err) { |
523 | dev_err(rdev->dev, | |
524 | "Unable to create hwmon sysfs file: %d\n", err); | |
525 | hwmon_device_unregister(rdev->dev); | |
526 | } | |
21a8122a AD |
527 | break; |
528 | default: | |
529 | break; | |
530 | } | |
0d18abed DC |
531 | |
532 | return err; | |
21a8122a AD |
533 | } |
534 | ||
535 | static void radeon_hwmon_fini(struct radeon_device *rdev) | |
536 | { | |
537 | if (rdev->pm.int_hwmon_dev) { | |
538 | sysfs_remove_group(&rdev->pm.int_hwmon_dev->kobj, &hwmon_attrgroup); | |
539 | hwmon_device_unregister(rdev->pm.int_hwmon_dev); | |
540 | } | |
541 | } | |
542 | ||
ce8f5370 | 543 | void radeon_pm_suspend(struct radeon_device *rdev) |
56278a8e | 544 | { |
ce8f5370 | 545 | mutex_lock(&rdev->pm.mutex); |
3f53eb6f | 546 | if (rdev->pm.pm_method == PM_METHOD_DYNPM) { |
3f53eb6f RW |
547 | if (rdev->pm.dynpm_state == DYNPM_STATE_ACTIVE) |
548 | rdev->pm.dynpm_state = DYNPM_STATE_SUSPENDED; | |
3f53eb6f | 549 | } |
ce8f5370 | 550 | mutex_unlock(&rdev->pm.mutex); |
32c87fca TH |
551 | |
552 | cancel_delayed_work_sync(&rdev->pm.dynpm_idle_work); | |
56278a8e AD |
553 | } |
554 | ||
ce8f5370 | 555 | void radeon_pm_resume(struct radeon_device *rdev) |
d0d6cb81 | 556 | { |
ed18a360 AD |
557 | /* set up the default clocks if the MC ucode is loaded */ |
558 | if (ASIC_IS_DCE5(rdev) && rdev->mc_fw) { | |
559 | if (rdev->pm.default_vddc) | |
8a83ec5e AD |
560 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, |
561 | SET_VOLTAGE_TYPE_ASIC_VDDC); | |
2feea49a AD |
562 | if (rdev->pm.default_vddci) |
563 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddci, | |
564 | SET_VOLTAGE_TYPE_ASIC_VDDCI); | |
ed18a360 AD |
565 | if (rdev->pm.default_sclk) |
566 | radeon_set_engine_clock(rdev, rdev->pm.default_sclk); | |
567 | if (rdev->pm.default_mclk) | |
568 | radeon_set_memory_clock(rdev, rdev->pm.default_mclk); | |
569 | } | |
f8ed8b4c AD |
570 | /* asic init will reset the default power state */ |
571 | mutex_lock(&rdev->pm.mutex); | |
572 | rdev->pm.current_power_state_index = rdev->pm.default_power_state_index; | |
573 | rdev->pm.current_clock_mode_index = 0; | |
9ace9f7b AD |
574 | rdev->pm.current_sclk = rdev->pm.default_sclk; |
575 | rdev->pm.current_mclk = rdev->pm.default_mclk; | |
4d60173f | 576 | rdev->pm.current_vddc = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage; |
2feea49a | 577 | rdev->pm.current_vddci = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.vddci; |
3f53eb6f RW |
578 | if (rdev->pm.pm_method == PM_METHOD_DYNPM |
579 | && rdev->pm.dynpm_state == DYNPM_STATE_SUSPENDED) { | |
580 | rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE; | |
32c87fca TH |
581 | schedule_delayed_work(&rdev->pm.dynpm_idle_work, |
582 | msecs_to_jiffies(RADEON_IDLE_LOOP_MS)); | |
3f53eb6f | 583 | } |
f8ed8b4c | 584 | mutex_unlock(&rdev->pm.mutex); |
ce8f5370 | 585 | radeon_pm_compute_clocks(rdev); |
d0d6cb81 RM |
586 | } |
587 | ||
7433874e RM |
588 | int radeon_pm_init(struct radeon_device *rdev) |
589 | { | |
26481fb1 | 590 | int ret; |
0d18abed | 591 | |
ce8f5370 AD |
592 | /* default to profile method */ |
593 | rdev->pm.pm_method = PM_METHOD_PROFILE; | |
f8ed8b4c | 594 | rdev->pm.profile = PM_PROFILE_DEFAULT; |
ce8f5370 AD |
595 | rdev->pm.dynpm_state = DYNPM_STATE_DISABLED; |
596 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE; | |
597 | rdev->pm.dynpm_can_upclock = true; | |
598 | rdev->pm.dynpm_can_downclock = true; | |
9ace9f7b AD |
599 | rdev->pm.default_sclk = rdev->clock.default_sclk; |
600 | rdev->pm.default_mclk = rdev->clock.default_mclk; | |
f8ed8b4c AD |
601 | rdev->pm.current_sclk = rdev->clock.default_sclk; |
602 | rdev->pm.current_mclk = rdev->clock.default_mclk; | |
21a8122a | 603 | rdev->pm.int_thermal_type = THERMAL_TYPE_NONE; |
c913e23a | 604 | |
56278a8e AD |
605 | if (rdev->bios) { |
606 | if (rdev->is_atom_bios) | |
607 | radeon_atombios_get_power_modes(rdev); | |
608 | else | |
609 | radeon_combios_get_power_modes(rdev); | |
f712d0c7 | 610 | radeon_pm_print_states(rdev); |
ce8f5370 | 611 | radeon_pm_init_profile(rdev); |
ed18a360 AD |
612 | /* set up the default clocks if the MC ucode is loaded */ |
613 | if (ASIC_IS_DCE5(rdev) && rdev->mc_fw) { | |
614 | if (rdev->pm.default_vddc) | |
8a83ec5e AD |
615 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, |
616 | SET_VOLTAGE_TYPE_ASIC_VDDC); | |
4639dd21 AD |
617 | if (rdev->pm.default_vddci) |
618 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddci, | |
619 | SET_VOLTAGE_TYPE_ASIC_VDDCI); | |
ed18a360 AD |
620 | if (rdev->pm.default_sclk) |
621 | radeon_set_engine_clock(rdev, rdev->pm.default_sclk); | |
622 | if (rdev->pm.default_mclk) | |
623 | radeon_set_memory_clock(rdev, rdev->pm.default_mclk); | |
624 | } | |
56278a8e AD |
625 | } |
626 | ||
21a8122a | 627 | /* set up the internal thermal sensor if applicable */ |
0d18abed DC |
628 | ret = radeon_hwmon_init(rdev); |
629 | if (ret) | |
630 | return ret; | |
32c87fca TH |
631 | |
632 | INIT_DELAYED_WORK(&rdev->pm.dynpm_idle_work, radeon_dynpm_idle_work_handler); | |
633 | ||
ce8f5370 | 634 | if (rdev->pm.num_power_states > 1) { |
ce8f5370 | 635 | /* where's the best place to put these? */ |
26481fb1 DA |
636 | ret = device_create_file(rdev->dev, &dev_attr_power_profile); |
637 | if (ret) | |
638 | DRM_ERROR("failed to create device file for power profile\n"); | |
639 | ret = device_create_file(rdev->dev, &dev_attr_power_method); | |
640 | if (ret) | |
641 | DRM_ERROR("failed to create device file for power method\n"); | |
a424816f | 642 | |
ce8f5370 AD |
643 | #ifdef CONFIG_ACPI |
644 | rdev->acpi_nb.notifier_call = radeon_acpi_event; | |
645 | register_acpi_notifier(&rdev->acpi_nb); | |
646 | #endif | |
ce8f5370 AD |
647 | if (radeon_debugfs_pm_init(rdev)) { |
648 | DRM_ERROR("Failed to register debugfs file for PM!\n"); | |
649 | } | |
c913e23a | 650 | |
ce8f5370 AD |
651 | DRM_INFO("radeon: power management initialized\n"); |
652 | } | |
c913e23a | 653 | |
7433874e RM |
654 | return 0; |
655 | } | |
656 | ||
29fb52ca AD |
657 | void radeon_pm_fini(struct radeon_device *rdev) |
658 | { | |
ce8f5370 | 659 | if (rdev->pm.num_power_states > 1) { |
a424816f | 660 | mutex_lock(&rdev->pm.mutex); |
ce8f5370 AD |
661 | if (rdev->pm.pm_method == PM_METHOD_PROFILE) { |
662 | rdev->pm.profile = PM_PROFILE_DEFAULT; | |
663 | radeon_pm_update_profile(rdev); | |
664 | radeon_pm_set_clocks(rdev); | |
665 | } else if (rdev->pm.pm_method == PM_METHOD_DYNPM) { | |
ce8f5370 AD |
666 | /* reset default clocks */ |
667 | rdev->pm.dynpm_state = DYNPM_STATE_DISABLED; | |
668 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_DEFAULT; | |
669 | radeon_pm_set_clocks(rdev); | |
670 | } | |
a424816f | 671 | mutex_unlock(&rdev->pm.mutex); |
32c87fca TH |
672 | |
673 | cancel_delayed_work_sync(&rdev->pm.dynpm_idle_work); | |
58e21dff | 674 | |
ce8f5370 AD |
675 | device_remove_file(rdev->dev, &dev_attr_power_profile); |
676 | device_remove_file(rdev->dev, &dev_attr_power_method); | |
677 | #ifdef CONFIG_ACPI | |
678 | unregister_acpi_notifier(&rdev->acpi_nb); | |
679 | #endif | |
680 | } | |
a424816f | 681 | |
0975b162 AD |
682 | if (rdev->pm.power_state) |
683 | kfree(rdev->pm.power_state); | |
684 | ||
21a8122a | 685 | radeon_hwmon_fini(rdev); |
29fb52ca AD |
686 | } |
687 | ||
c913e23a RM |
688 | void radeon_pm_compute_clocks(struct radeon_device *rdev) |
689 | { | |
690 | struct drm_device *ddev = rdev->ddev; | |
a48b9b4e | 691 | struct drm_crtc *crtc; |
c913e23a | 692 | struct radeon_crtc *radeon_crtc; |
c913e23a | 693 | |
ce8f5370 AD |
694 | if (rdev->pm.num_power_states < 2) |
695 | return; | |
696 | ||
c913e23a RM |
697 | mutex_lock(&rdev->pm.mutex); |
698 | ||
699 | rdev->pm.active_crtcs = 0; | |
a48b9b4e AD |
700 | rdev->pm.active_crtc_count = 0; |
701 | list_for_each_entry(crtc, | |
702 | &ddev->mode_config.crtc_list, head) { | |
703 | radeon_crtc = to_radeon_crtc(crtc); | |
704 | if (radeon_crtc->enabled) { | |
c913e23a | 705 | rdev->pm.active_crtcs |= (1 << radeon_crtc->crtc_id); |
a48b9b4e | 706 | rdev->pm.active_crtc_count++; |
c913e23a RM |
707 | } |
708 | } | |
709 | ||
ce8f5370 AD |
710 | if (rdev->pm.pm_method == PM_METHOD_PROFILE) { |
711 | radeon_pm_update_profile(rdev); | |
712 | radeon_pm_set_clocks(rdev); | |
713 | } else if (rdev->pm.pm_method == PM_METHOD_DYNPM) { | |
714 | if (rdev->pm.dynpm_state != DYNPM_STATE_DISABLED) { | |
715 | if (rdev->pm.active_crtc_count > 1) { | |
716 | if (rdev->pm.dynpm_state == DYNPM_STATE_ACTIVE) { | |
717 | cancel_delayed_work(&rdev->pm.dynpm_idle_work); | |
718 | ||
719 | rdev->pm.dynpm_state = DYNPM_STATE_PAUSED; | |
720 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_DEFAULT; | |
721 | radeon_pm_get_dynpm_state(rdev); | |
722 | radeon_pm_set_clocks(rdev); | |
723 | ||
d9fdaafb | 724 | DRM_DEBUG_DRIVER("radeon: dynamic power management deactivated\n"); |
ce8f5370 AD |
725 | } |
726 | } else if (rdev->pm.active_crtc_count == 1) { | |
727 | /* TODO: Increase clocks if needed for current mode */ | |
728 | ||
729 | if (rdev->pm.dynpm_state == DYNPM_STATE_MINIMUM) { | |
730 | rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE; | |
731 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_UPCLOCK; | |
732 | radeon_pm_get_dynpm_state(rdev); | |
733 | radeon_pm_set_clocks(rdev); | |
734 | ||
32c87fca TH |
735 | schedule_delayed_work(&rdev->pm.dynpm_idle_work, |
736 | msecs_to_jiffies(RADEON_IDLE_LOOP_MS)); | |
ce8f5370 AD |
737 | } else if (rdev->pm.dynpm_state == DYNPM_STATE_PAUSED) { |
738 | rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE; | |
32c87fca TH |
739 | schedule_delayed_work(&rdev->pm.dynpm_idle_work, |
740 | msecs_to_jiffies(RADEON_IDLE_LOOP_MS)); | |
d9fdaafb | 741 | DRM_DEBUG_DRIVER("radeon: dynamic power management activated\n"); |
ce8f5370 AD |
742 | } |
743 | } else { /* count == 0 */ | |
744 | if (rdev->pm.dynpm_state != DYNPM_STATE_MINIMUM) { | |
745 | cancel_delayed_work(&rdev->pm.dynpm_idle_work); | |
746 | ||
747 | rdev->pm.dynpm_state = DYNPM_STATE_MINIMUM; | |
748 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_MINIMUM; | |
749 | radeon_pm_get_dynpm_state(rdev); | |
750 | radeon_pm_set_clocks(rdev); | |
751 | } | |
752 | } | |
c913e23a | 753 | } |
c913e23a | 754 | } |
73a6d3fc RM |
755 | |
756 | mutex_unlock(&rdev->pm.mutex); | |
c913e23a RM |
757 | } |
758 | ||
ce8f5370 | 759 | static bool radeon_pm_in_vbl(struct radeon_device *rdev) |
f735261b | 760 | { |
75fa0b08 | 761 | int crtc, vpos, hpos, vbl_status; |
f735261b DA |
762 | bool in_vbl = true; |
763 | ||
75fa0b08 MK |
764 | /* Iterate over all active crtc's. All crtc's must be in vblank, |
765 | * otherwise return in_vbl == false. | |
766 | */ | |
767 | for (crtc = 0; (crtc < rdev->num_crtc) && in_vbl; crtc++) { | |
768 | if (rdev->pm.active_crtcs & (1 << crtc)) { | |
f5a80209 MK |
769 | vbl_status = radeon_get_crtc_scanoutpos(rdev->ddev, crtc, &vpos, &hpos); |
770 | if ((vbl_status & DRM_SCANOUTPOS_VALID) && | |
771 | !(vbl_status & DRM_SCANOUTPOS_INVBL)) | |
f735261b DA |
772 | in_vbl = false; |
773 | } | |
774 | } | |
f81f2024 MG |
775 | |
776 | return in_vbl; | |
777 | } | |
778 | ||
ce8f5370 | 779 | static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish) |
f81f2024 MG |
780 | { |
781 | u32 stat_crtc = 0; | |
782 | bool in_vbl = radeon_pm_in_vbl(rdev); | |
783 | ||
f735261b | 784 | if (in_vbl == false) |
d9fdaafb | 785 | DRM_DEBUG_DRIVER("not in vbl for pm change %08x at %s\n", stat_crtc, |
bae6b562 | 786 | finish ? "exit" : "entry"); |
f735261b DA |
787 | return in_vbl; |
788 | } | |
c913e23a | 789 | |
ce8f5370 | 790 | static void radeon_dynpm_idle_work_handler(struct work_struct *work) |
c913e23a RM |
791 | { |
792 | struct radeon_device *rdev; | |
d9932a32 | 793 | int resched; |
c913e23a | 794 | rdev = container_of(work, struct radeon_device, |
ce8f5370 | 795 | pm.dynpm_idle_work.work); |
c913e23a | 796 | |
d9932a32 | 797 | resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev); |
c913e23a | 798 | mutex_lock(&rdev->pm.mutex); |
ce8f5370 | 799 | if (rdev->pm.dynpm_state == DYNPM_STATE_ACTIVE) { |
c913e23a | 800 | int not_processed = 0; |
7465280c AD |
801 | int i; |
802 | ||
7465280c | 803 | for (i = 0; i < RADEON_NUM_RINGS; ++i) { |
0ec0612a AD |
804 | struct radeon_ring *ring = &rdev->ring[i]; |
805 | ||
806 | if (ring->ready) { | |
807 | not_processed += radeon_fence_count_emitted(rdev, i); | |
808 | if (not_processed >= 3) | |
809 | break; | |
810 | } | |
c913e23a | 811 | } |
c913e23a RM |
812 | |
813 | if (not_processed >= 3) { /* should upclock */ | |
ce8f5370 AD |
814 | if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_DOWNCLOCK) { |
815 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE; | |
816 | } else if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_NONE && | |
817 | rdev->pm.dynpm_can_upclock) { | |
818 | rdev->pm.dynpm_planned_action = | |
819 | DYNPM_ACTION_UPCLOCK; | |
820 | rdev->pm.dynpm_action_timeout = jiffies + | |
c913e23a RM |
821 | msecs_to_jiffies(RADEON_RECLOCK_DELAY_MS); |
822 | } | |
823 | } else if (not_processed == 0) { /* should downclock */ | |
ce8f5370 AD |
824 | if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_UPCLOCK) { |
825 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE; | |
826 | } else if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_NONE && | |
827 | rdev->pm.dynpm_can_downclock) { | |
828 | rdev->pm.dynpm_planned_action = | |
829 | DYNPM_ACTION_DOWNCLOCK; | |
830 | rdev->pm.dynpm_action_timeout = jiffies + | |
c913e23a RM |
831 | msecs_to_jiffies(RADEON_RECLOCK_DELAY_MS); |
832 | } | |
833 | } | |
834 | ||
d7311171 AD |
835 | /* Note, radeon_pm_set_clocks is called with static_switch set |
836 | * to false since we want to wait for vbl to avoid flicker. | |
837 | */ | |
ce8f5370 AD |
838 | if (rdev->pm.dynpm_planned_action != DYNPM_ACTION_NONE && |
839 | jiffies > rdev->pm.dynpm_action_timeout) { | |
840 | radeon_pm_get_dynpm_state(rdev); | |
841 | radeon_pm_set_clocks(rdev); | |
c913e23a | 842 | } |
3f53eb6f | 843 | |
32c87fca TH |
844 | schedule_delayed_work(&rdev->pm.dynpm_idle_work, |
845 | msecs_to_jiffies(RADEON_IDLE_LOOP_MS)); | |
c913e23a RM |
846 | } |
847 | mutex_unlock(&rdev->pm.mutex); | |
d9932a32 | 848 | ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched); |
c913e23a RM |
849 | } |
850 | ||
7433874e RM |
851 | /* |
852 | * Debugfs info | |
853 | */ | |
854 | #if defined(CONFIG_DEBUG_FS) | |
855 | ||
856 | static int radeon_debugfs_pm_info(struct seq_file *m, void *data) | |
857 | { | |
858 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
859 | struct drm_device *dev = node->minor->dev; | |
860 | struct radeon_device *rdev = dev->dev_private; | |
861 | ||
9ace9f7b | 862 | seq_printf(m, "default engine clock: %u0 kHz\n", rdev->pm.default_sclk); |
6234077d | 863 | seq_printf(m, "current engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev)); |
9ace9f7b | 864 | seq_printf(m, "default memory clock: %u0 kHz\n", rdev->pm.default_mclk); |
798bcf73 | 865 | if (rdev->asic->pm.get_memory_clock) |
6234077d | 866 | seq_printf(m, "current memory clock: %u0 kHz\n", radeon_get_memory_clock(rdev)); |
0fcbe947 RM |
867 | if (rdev->pm.current_vddc) |
868 | seq_printf(m, "voltage: %u mV\n", rdev->pm.current_vddc); | |
798bcf73 | 869 | if (rdev->asic->pm.get_pcie_lanes) |
aa5120d2 | 870 | seq_printf(m, "PCIE lanes: %d\n", radeon_get_pcie_lanes(rdev)); |
7433874e RM |
871 | |
872 | return 0; | |
873 | } | |
874 | ||
875 | static struct drm_info_list radeon_pm_info_list[] = { | |
876 | {"radeon_pm_info", radeon_debugfs_pm_info, 0, NULL}, | |
877 | }; | |
878 | #endif | |
879 | ||
c913e23a | 880 | static int radeon_debugfs_pm_init(struct radeon_device *rdev) |
7433874e RM |
881 | { |
882 | #if defined(CONFIG_DEBUG_FS) | |
883 | return radeon_debugfs_add_files(rdev, radeon_pm_info_list, ARRAY_SIZE(radeon_pm_info_list)); | |
884 | #else | |
885 | return 0; | |
886 | #endif | |
887 | } |