]>
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 | 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", | |
da321c8a AD |
391 | (pm == PM_METHOD_DYNPM) ? "dynpm" : |
392 | (pm == PM_METHOD_PROFILE) ? "profile" : "dpm"); | |
a424816f AD |
393 | } |
394 | ||
ce8f5370 AD |
395 | static ssize_t radeon_set_pm_method(struct device *dev, |
396 | struct device_attribute *attr, | |
397 | const char *buf, | |
398 | size_t count) | |
a424816f AD |
399 | { |
400 | struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); | |
401 | struct radeon_device *rdev = ddev->dev_private; | |
a424816f | 402 | |
da321c8a AD |
403 | /* we don't support the legacy modes with dpm */ |
404 | if (rdev->pm.pm_method == PM_METHOD_DPM) { | |
405 | count = -EINVAL; | |
406 | goto fail; | |
407 | } | |
ce8f5370 AD |
408 | |
409 | if (strncmp("dynpm", buf, strlen("dynpm")) == 0) { | |
a424816f | 410 | mutex_lock(&rdev->pm.mutex); |
ce8f5370 AD |
411 | rdev->pm.pm_method = PM_METHOD_DYNPM; |
412 | rdev->pm.dynpm_state = DYNPM_STATE_PAUSED; | |
413 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_DEFAULT; | |
a424816f | 414 | mutex_unlock(&rdev->pm.mutex); |
ce8f5370 AD |
415 | } else if (strncmp("profile", buf, strlen("profile")) == 0) { |
416 | mutex_lock(&rdev->pm.mutex); | |
ce8f5370 AD |
417 | /* disable dynpm */ |
418 | rdev->pm.dynpm_state = DYNPM_STATE_DISABLED; | |
419 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE; | |
3f53eb6f | 420 | rdev->pm.pm_method = PM_METHOD_PROFILE; |
ce8f5370 | 421 | mutex_unlock(&rdev->pm.mutex); |
32c87fca | 422 | cancel_delayed_work_sync(&rdev->pm.dynpm_idle_work); |
ce8f5370 | 423 | } else { |
1783e4bf | 424 | count = -EINVAL; |
ce8f5370 AD |
425 | goto fail; |
426 | } | |
427 | radeon_pm_compute_clocks(rdev); | |
428 | fail: | |
a424816f AD |
429 | return count; |
430 | } | |
431 | ||
da321c8a AD |
432 | static ssize_t radeon_get_dpm_state(struct device *dev, |
433 | struct device_attribute *attr, | |
434 | char *buf) | |
435 | { | |
436 | struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); | |
437 | struct radeon_device *rdev = ddev->dev_private; | |
438 | enum radeon_pm_state_type pm = rdev->pm.dpm.user_state; | |
439 | ||
440 | return snprintf(buf, PAGE_SIZE, "%s\n", | |
441 | (pm == POWER_STATE_TYPE_BATTERY) ? "battery" : | |
442 | (pm == POWER_STATE_TYPE_BALANCED) ? "balanced" : "performance"); | |
443 | } | |
444 | ||
445 | static ssize_t radeon_set_dpm_state(struct device *dev, | |
446 | struct device_attribute *attr, | |
447 | const char *buf, | |
448 | size_t count) | |
449 | { | |
450 | struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); | |
451 | struct radeon_device *rdev = ddev->dev_private; | |
452 | ||
453 | mutex_lock(&rdev->pm.mutex); | |
454 | if (strncmp("battery", buf, strlen("battery")) == 0) | |
455 | rdev->pm.dpm.user_state = POWER_STATE_TYPE_BATTERY; | |
456 | else if (strncmp("balanced", buf, strlen("balanced")) == 0) | |
457 | rdev->pm.dpm.user_state = POWER_STATE_TYPE_BALANCED; | |
458 | else if (strncmp("performance", buf, strlen("performance")) == 0) | |
459 | rdev->pm.dpm.user_state = POWER_STATE_TYPE_PERFORMANCE; | |
460 | else { | |
461 | mutex_unlock(&rdev->pm.mutex); | |
462 | count = -EINVAL; | |
463 | goto fail; | |
464 | } | |
465 | mutex_unlock(&rdev->pm.mutex); | |
466 | radeon_pm_compute_clocks(rdev); | |
467 | fail: | |
468 | return count; | |
469 | } | |
470 | ||
ce8f5370 AD |
471 | static DEVICE_ATTR(power_profile, S_IRUGO | S_IWUSR, radeon_get_pm_profile, radeon_set_pm_profile); |
472 | static DEVICE_ATTR(power_method, S_IRUGO | S_IWUSR, radeon_get_pm_method, radeon_set_pm_method); | |
da321c8a | 473 | static DEVICE_ATTR(power_dpm_state, S_IRUGO | S_IWUSR, radeon_get_dpm_state, radeon_set_dpm_state); |
a424816f | 474 | |
21a8122a AD |
475 | static ssize_t radeon_hwmon_show_temp(struct device *dev, |
476 | struct device_attribute *attr, | |
477 | char *buf) | |
478 | { | |
479 | struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); | |
480 | struct radeon_device *rdev = ddev->dev_private; | |
20d391d7 | 481 | int temp; |
21a8122a | 482 | |
6bd1c385 AD |
483 | if (rdev->asic->pm.get_temperature) |
484 | temp = radeon_get_temperature(rdev); | |
485 | else | |
21a8122a | 486 | temp = 0; |
21a8122a AD |
487 | |
488 | return snprintf(buf, PAGE_SIZE, "%d\n", temp); | |
489 | } | |
490 | ||
491 | static ssize_t radeon_hwmon_show_name(struct device *dev, | |
492 | struct device_attribute *attr, | |
493 | char *buf) | |
494 | { | |
495 | return sprintf(buf, "radeon\n"); | |
496 | } | |
497 | ||
498 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, radeon_hwmon_show_temp, NULL, 0); | |
499 | static SENSOR_DEVICE_ATTR(name, S_IRUGO, radeon_hwmon_show_name, NULL, 0); | |
500 | ||
501 | static struct attribute *hwmon_attributes[] = { | |
502 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
503 | &sensor_dev_attr_name.dev_attr.attr, | |
504 | NULL | |
505 | }; | |
506 | ||
507 | static const struct attribute_group hwmon_attrgroup = { | |
508 | .attrs = hwmon_attributes, | |
509 | }; | |
510 | ||
0d18abed | 511 | static int radeon_hwmon_init(struct radeon_device *rdev) |
21a8122a | 512 | { |
0d18abed | 513 | int err = 0; |
21a8122a AD |
514 | |
515 | rdev->pm.int_hwmon_dev = NULL; | |
516 | ||
517 | switch (rdev->pm.int_thermal_type) { | |
518 | case THERMAL_TYPE_RV6XX: | |
519 | case THERMAL_TYPE_RV770: | |
520 | case THERMAL_TYPE_EVERGREEN: | |
457558ed | 521 | case THERMAL_TYPE_NI: |
e33df25f | 522 | case THERMAL_TYPE_SUMO: |
1bd47d2e | 523 | case THERMAL_TYPE_SI: |
6bd1c385 | 524 | if (rdev->asic->pm.get_temperature == NULL) |
5d7486c7 | 525 | return err; |
21a8122a | 526 | rdev->pm.int_hwmon_dev = hwmon_device_register(rdev->dev); |
0d18abed DC |
527 | if (IS_ERR(rdev->pm.int_hwmon_dev)) { |
528 | err = PTR_ERR(rdev->pm.int_hwmon_dev); | |
529 | dev_err(rdev->dev, | |
530 | "Unable to register hwmon device: %d\n", err); | |
531 | break; | |
532 | } | |
21a8122a AD |
533 | dev_set_drvdata(rdev->pm.int_hwmon_dev, rdev->ddev); |
534 | err = sysfs_create_group(&rdev->pm.int_hwmon_dev->kobj, | |
535 | &hwmon_attrgroup); | |
0d18abed DC |
536 | if (err) { |
537 | dev_err(rdev->dev, | |
538 | "Unable to create hwmon sysfs file: %d\n", err); | |
539 | hwmon_device_unregister(rdev->dev); | |
540 | } | |
21a8122a AD |
541 | break; |
542 | default: | |
543 | break; | |
544 | } | |
0d18abed DC |
545 | |
546 | return err; | |
21a8122a AD |
547 | } |
548 | ||
549 | static void radeon_hwmon_fini(struct radeon_device *rdev) | |
550 | { | |
551 | if (rdev->pm.int_hwmon_dev) { | |
552 | sysfs_remove_group(&rdev->pm.int_hwmon_dev->kobj, &hwmon_attrgroup); | |
553 | hwmon_device_unregister(rdev->pm.int_hwmon_dev); | |
554 | } | |
555 | } | |
556 | ||
da321c8a AD |
557 | static void radeon_dpm_thermal_work_handler(struct work_struct *work) |
558 | { | |
559 | struct radeon_device *rdev = | |
560 | container_of(work, struct radeon_device, | |
561 | pm.dpm.thermal.work); | |
562 | /* switch to the thermal state */ | |
563 | enum radeon_pm_state_type dpm_state = POWER_STATE_TYPE_INTERNAL_THERMAL; | |
564 | ||
565 | if (!rdev->pm.dpm_enabled) | |
566 | return; | |
567 | ||
568 | if (rdev->asic->pm.get_temperature) { | |
569 | int temp = radeon_get_temperature(rdev); | |
570 | ||
571 | if (temp < rdev->pm.dpm.thermal.min_temp) | |
572 | /* switch back the user state */ | |
573 | dpm_state = rdev->pm.dpm.user_state; | |
574 | } else { | |
575 | if (rdev->pm.dpm.thermal.high_to_low) | |
576 | /* switch back the user state */ | |
577 | dpm_state = rdev->pm.dpm.user_state; | |
578 | } | |
579 | radeon_dpm_enable_power_state(rdev, dpm_state); | |
580 | } | |
581 | ||
582 | static struct radeon_ps *radeon_dpm_pick_power_state(struct radeon_device *rdev, | |
583 | enum radeon_pm_state_type dpm_state) | |
584 | { | |
585 | int i; | |
586 | struct radeon_ps *ps; | |
587 | u32 ui_class; | |
588 | ||
589 | restart_search: | |
590 | /* balanced states don't exist at the moment */ | |
591 | if (dpm_state == POWER_STATE_TYPE_BALANCED) | |
592 | dpm_state = POWER_STATE_TYPE_PERFORMANCE; | |
593 | ||
594 | /* Pick the best power state based on current conditions */ | |
595 | for (i = 0; i < rdev->pm.dpm.num_ps; i++) { | |
596 | ps = &rdev->pm.dpm.ps[i]; | |
597 | ui_class = ps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK; | |
598 | switch (dpm_state) { | |
599 | /* user states */ | |
600 | case POWER_STATE_TYPE_BATTERY: | |
601 | if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY) { | |
602 | if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) { | |
603 | if (rdev->pm.dpm.new_active_crtc_count < 2) | |
604 | return ps; | |
605 | } else | |
606 | return ps; | |
607 | } | |
608 | break; | |
609 | case POWER_STATE_TYPE_BALANCED: | |
610 | if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BALANCED) { | |
611 | if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) { | |
612 | if (rdev->pm.dpm.new_active_crtc_count < 2) | |
613 | return ps; | |
614 | } else | |
615 | return ps; | |
616 | } | |
617 | break; | |
618 | case POWER_STATE_TYPE_PERFORMANCE: | |
619 | if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) { | |
620 | if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) { | |
621 | if (rdev->pm.dpm.new_active_crtc_count < 2) | |
622 | return ps; | |
623 | } else | |
624 | return ps; | |
625 | } | |
626 | break; | |
627 | /* internal states */ | |
628 | case POWER_STATE_TYPE_INTERNAL_UVD: | |
629 | return rdev->pm.dpm.uvd_ps; | |
630 | case POWER_STATE_TYPE_INTERNAL_UVD_SD: | |
631 | if (ps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE) | |
632 | return ps; | |
633 | break; | |
634 | case POWER_STATE_TYPE_INTERNAL_UVD_HD: | |
635 | if (ps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE) | |
636 | return ps; | |
637 | break; | |
638 | case POWER_STATE_TYPE_INTERNAL_UVD_HD2: | |
639 | if (ps->class & ATOM_PPLIB_CLASSIFICATION_HD2STATE) | |
640 | return ps; | |
641 | break; | |
642 | case POWER_STATE_TYPE_INTERNAL_UVD_MVC: | |
643 | if (ps->class2 & ATOM_PPLIB_CLASSIFICATION2_MVC) | |
644 | return ps; | |
645 | break; | |
646 | case POWER_STATE_TYPE_INTERNAL_BOOT: | |
647 | return rdev->pm.dpm.boot_ps; | |
648 | case POWER_STATE_TYPE_INTERNAL_THERMAL: | |
649 | if (ps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL) | |
650 | return ps; | |
651 | break; | |
652 | case POWER_STATE_TYPE_INTERNAL_ACPI: | |
653 | if (ps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) | |
654 | return ps; | |
655 | break; | |
656 | case POWER_STATE_TYPE_INTERNAL_ULV: | |
657 | if (ps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) | |
658 | return ps; | |
659 | break; | |
660 | default: | |
661 | break; | |
662 | } | |
663 | } | |
664 | /* use a fallback state if we didn't match */ | |
665 | switch (dpm_state) { | |
666 | case POWER_STATE_TYPE_INTERNAL_UVD_SD: | |
667 | case POWER_STATE_TYPE_INTERNAL_UVD_HD: | |
668 | case POWER_STATE_TYPE_INTERNAL_UVD_HD2: | |
669 | case POWER_STATE_TYPE_INTERNAL_UVD_MVC: | |
670 | return rdev->pm.dpm.uvd_ps; | |
671 | case POWER_STATE_TYPE_INTERNAL_THERMAL: | |
672 | dpm_state = POWER_STATE_TYPE_INTERNAL_ACPI; | |
673 | goto restart_search; | |
674 | case POWER_STATE_TYPE_INTERNAL_ACPI: | |
675 | dpm_state = POWER_STATE_TYPE_BATTERY; | |
676 | goto restart_search; | |
677 | case POWER_STATE_TYPE_BATTERY: | |
678 | dpm_state = POWER_STATE_TYPE_PERFORMANCE; | |
679 | goto restart_search; | |
680 | default: | |
681 | break; | |
682 | } | |
683 | ||
684 | return NULL; | |
685 | } | |
686 | ||
687 | static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev) | |
688 | { | |
689 | int i; | |
690 | struct radeon_ps *ps; | |
691 | enum radeon_pm_state_type dpm_state; | |
692 | ||
693 | /* if dpm init failed */ | |
694 | if (!rdev->pm.dpm_enabled) | |
695 | return; | |
696 | ||
697 | if (rdev->pm.dpm.user_state != rdev->pm.dpm.state) { | |
698 | /* add other state override checks here */ | |
699 | if (!rdev->pm.dpm.thermal_active) | |
700 | rdev->pm.dpm.state = rdev->pm.dpm.user_state; | |
701 | } | |
702 | dpm_state = rdev->pm.dpm.state; | |
703 | ||
704 | ps = radeon_dpm_pick_power_state(rdev, dpm_state); | |
705 | if (ps) | |
706 | rdev->pm.dpm.requested_ps = ps; | |
707 | else | |
708 | return; | |
709 | ||
710 | /* no need to reprogram if nothing changed */ | |
711 | if (rdev->pm.dpm.current_ps == rdev->pm.dpm.requested_ps) { | |
712 | /* update display watermarks based on new power state */ | |
713 | if (rdev->pm.dpm.new_active_crtcs != rdev->pm.dpm.current_active_crtcs) { | |
714 | radeon_bandwidth_update(rdev); | |
715 | /* update displays */ | |
716 | radeon_dpm_display_configuration_changed(rdev); | |
717 | rdev->pm.dpm.current_active_crtcs = rdev->pm.dpm.new_active_crtcs; | |
718 | rdev->pm.dpm.current_active_crtc_count = rdev->pm.dpm.new_active_crtc_count; | |
719 | } | |
720 | return; | |
721 | } | |
722 | ||
723 | printk("switching from power state:\n"); | |
724 | radeon_dpm_print_power_state(rdev, rdev->pm.dpm.current_ps); | |
725 | printk("switching to power state:\n"); | |
726 | radeon_dpm_print_power_state(rdev, rdev->pm.dpm.requested_ps); | |
727 | ||
728 | mutex_lock(&rdev->ddev->struct_mutex); | |
729 | down_write(&rdev->pm.mclk_lock); | |
730 | mutex_lock(&rdev->ring_lock); | |
731 | ||
732 | /* update display watermarks based on new power state */ | |
733 | radeon_bandwidth_update(rdev); | |
734 | /* update displays */ | |
735 | radeon_dpm_display_configuration_changed(rdev); | |
736 | ||
737 | rdev->pm.dpm.current_active_crtcs = rdev->pm.dpm.new_active_crtcs; | |
738 | rdev->pm.dpm.current_active_crtc_count = rdev->pm.dpm.new_active_crtc_count; | |
739 | ||
740 | /* wait for the rings to drain */ | |
741 | for (i = 0; i < RADEON_NUM_RINGS; i++) { | |
742 | struct radeon_ring *ring = &rdev->ring[i]; | |
743 | if (ring->ready) | |
744 | radeon_fence_wait_empty_locked(rdev, i); | |
745 | } | |
746 | ||
747 | /* program the new power state */ | |
748 | radeon_dpm_set_power_state(rdev); | |
749 | ||
750 | /* update current power state */ | |
751 | rdev->pm.dpm.current_ps = rdev->pm.dpm.requested_ps; | |
752 | ||
753 | mutex_unlock(&rdev->ring_lock); | |
754 | up_write(&rdev->pm.mclk_lock); | |
755 | mutex_unlock(&rdev->ddev->struct_mutex); | |
756 | } | |
757 | ||
758 | void radeon_dpm_enable_power_state(struct radeon_device *rdev, | |
759 | enum radeon_pm_state_type dpm_state) | |
760 | { | |
761 | if (!rdev->pm.dpm_enabled) | |
762 | return; | |
763 | ||
764 | mutex_lock(&rdev->pm.mutex); | |
765 | switch (dpm_state) { | |
766 | case POWER_STATE_TYPE_INTERNAL_THERMAL: | |
767 | rdev->pm.dpm.thermal_active = true; | |
768 | break; | |
769 | default: | |
770 | rdev->pm.dpm.thermal_active = false; | |
771 | break; | |
772 | } | |
773 | rdev->pm.dpm.state = dpm_state; | |
774 | mutex_unlock(&rdev->pm.mutex); | |
775 | radeon_pm_compute_clocks(rdev); | |
776 | } | |
777 | ||
778 | static void radeon_pm_suspend_old(struct radeon_device *rdev) | |
56278a8e | 779 | { |
ce8f5370 | 780 | mutex_lock(&rdev->pm.mutex); |
3f53eb6f | 781 | if (rdev->pm.pm_method == PM_METHOD_DYNPM) { |
3f53eb6f RW |
782 | if (rdev->pm.dynpm_state == DYNPM_STATE_ACTIVE) |
783 | rdev->pm.dynpm_state = DYNPM_STATE_SUSPENDED; | |
3f53eb6f | 784 | } |
ce8f5370 | 785 | mutex_unlock(&rdev->pm.mutex); |
32c87fca TH |
786 | |
787 | cancel_delayed_work_sync(&rdev->pm.dynpm_idle_work); | |
56278a8e AD |
788 | } |
789 | ||
da321c8a AD |
790 | static void radeon_pm_suspend_dpm(struct radeon_device *rdev) |
791 | { | |
792 | mutex_lock(&rdev->pm.mutex); | |
793 | /* disable dpm */ | |
794 | radeon_dpm_disable(rdev); | |
795 | /* reset the power state */ | |
796 | rdev->pm.dpm.current_ps = rdev->pm.dpm.requested_ps = rdev->pm.dpm.boot_ps; | |
797 | rdev->pm.dpm_enabled = false; | |
798 | mutex_unlock(&rdev->pm.mutex); | |
799 | } | |
800 | ||
801 | void radeon_pm_suspend(struct radeon_device *rdev) | |
802 | { | |
803 | if (rdev->pm.pm_method == PM_METHOD_DPM) | |
804 | radeon_pm_suspend_dpm(rdev); | |
805 | else | |
806 | radeon_pm_suspend_old(rdev); | |
807 | } | |
808 | ||
809 | static void radeon_pm_resume_old(struct radeon_device *rdev) | |
d0d6cb81 | 810 | { |
ed18a360 | 811 | /* set up the default clocks if the MC ucode is loaded */ |
2e3b3b10 AD |
812 | if ((rdev->family >= CHIP_BARTS) && |
813 | (rdev->family <= CHIP_CAYMAN) && | |
814 | rdev->mc_fw) { | |
ed18a360 | 815 | if (rdev->pm.default_vddc) |
8a83ec5e AD |
816 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, |
817 | SET_VOLTAGE_TYPE_ASIC_VDDC); | |
2feea49a AD |
818 | if (rdev->pm.default_vddci) |
819 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddci, | |
820 | SET_VOLTAGE_TYPE_ASIC_VDDCI); | |
ed18a360 AD |
821 | if (rdev->pm.default_sclk) |
822 | radeon_set_engine_clock(rdev, rdev->pm.default_sclk); | |
823 | if (rdev->pm.default_mclk) | |
824 | radeon_set_memory_clock(rdev, rdev->pm.default_mclk); | |
825 | } | |
f8ed8b4c AD |
826 | /* asic init will reset the default power state */ |
827 | mutex_lock(&rdev->pm.mutex); | |
828 | rdev->pm.current_power_state_index = rdev->pm.default_power_state_index; | |
829 | rdev->pm.current_clock_mode_index = 0; | |
9ace9f7b AD |
830 | rdev->pm.current_sclk = rdev->pm.default_sclk; |
831 | rdev->pm.current_mclk = rdev->pm.default_mclk; | |
4d60173f | 832 | rdev->pm.current_vddc = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage; |
2feea49a | 833 | rdev->pm.current_vddci = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.vddci; |
3f53eb6f RW |
834 | if (rdev->pm.pm_method == PM_METHOD_DYNPM |
835 | && rdev->pm.dynpm_state == DYNPM_STATE_SUSPENDED) { | |
836 | rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE; | |
32c87fca TH |
837 | schedule_delayed_work(&rdev->pm.dynpm_idle_work, |
838 | msecs_to_jiffies(RADEON_IDLE_LOOP_MS)); | |
3f53eb6f | 839 | } |
f8ed8b4c | 840 | mutex_unlock(&rdev->pm.mutex); |
ce8f5370 | 841 | radeon_pm_compute_clocks(rdev); |
d0d6cb81 RM |
842 | } |
843 | ||
da321c8a AD |
844 | static void radeon_pm_resume_dpm(struct radeon_device *rdev) |
845 | { | |
846 | int ret; | |
847 | ||
848 | /* asic init will reset to the boot state */ | |
849 | mutex_lock(&rdev->pm.mutex); | |
850 | rdev->pm.dpm.current_ps = rdev->pm.dpm.requested_ps = rdev->pm.dpm.boot_ps; | |
851 | radeon_dpm_setup_asic(rdev); | |
852 | ret = radeon_dpm_enable(rdev); | |
853 | mutex_unlock(&rdev->pm.mutex); | |
854 | if (ret) { | |
855 | DRM_ERROR("radeon: dpm resume failed\n"); | |
856 | if ((rdev->family >= CHIP_BARTS) && | |
857 | (rdev->family <= CHIP_CAYMAN) && | |
858 | rdev->mc_fw) { | |
859 | if (rdev->pm.default_vddc) | |
860 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, | |
861 | SET_VOLTAGE_TYPE_ASIC_VDDC); | |
862 | if (rdev->pm.default_vddci) | |
863 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddci, | |
864 | SET_VOLTAGE_TYPE_ASIC_VDDCI); | |
865 | if (rdev->pm.default_sclk) | |
866 | radeon_set_engine_clock(rdev, rdev->pm.default_sclk); | |
867 | if (rdev->pm.default_mclk) | |
868 | radeon_set_memory_clock(rdev, rdev->pm.default_mclk); | |
869 | } | |
870 | } else { | |
871 | rdev->pm.dpm_enabled = true; | |
872 | radeon_pm_compute_clocks(rdev); | |
873 | } | |
874 | } | |
875 | ||
876 | void radeon_pm_resume(struct radeon_device *rdev) | |
877 | { | |
878 | if (rdev->pm.pm_method == PM_METHOD_DPM) | |
879 | radeon_pm_resume_dpm(rdev); | |
880 | else | |
881 | radeon_pm_resume_old(rdev); | |
882 | } | |
883 | ||
884 | static int radeon_pm_init_old(struct radeon_device *rdev) | |
7433874e | 885 | { |
26481fb1 | 886 | int ret; |
0d18abed | 887 | |
f8ed8b4c | 888 | rdev->pm.profile = PM_PROFILE_DEFAULT; |
ce8f5370 AD |
889 | rdev->pm.dynpm_state = DYNPM_STATE_DISABLED; |
890 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE; | |
891 | rdev->pm.dynpm_can_upclock = true; | |
892 | rdev->pm.dynpm_can_downclock = true; | |
9ace9f7b AD |
893 | rdev->pm.default_sclk = rdev->clock.default_sclk; |
894 | rdev->pm.default_mclk = rdev->clock.default_mclk; | |
f8ed8b4c AD |
895 | rdev->pm.current_sclk = rdev->clock.default_sclk; |
896 | rdev->pm.current_mclk = rdev->clock.default_mclk; | |
21a8122a | 897 | rdev->pm.int_thermal_type = THERMAL_TYPE_NONE; |
c913e23a | 898 | |
56278a8e AD |
899 | if (rdev->bios) { |
900 | if (rdev->is_atom_bios) | |
901 | radeon_atombios_get_power_modes(rdev); | |
902 | else | |
903 | radeon_combios_get_power_modes(rdev); | |
f712d0c7 | 904 | radeon_pm_print_states(rdev); |
ce8f5370 | 905 | radeon_pm_init_profile(rdev); |
ed18a360 | 906 | /* set up the default clocks if the MC ucode is loaded */ |
2e3b3b10 AD |
907 | if ((rdev->family >= CHIP_BARTS) && |
908 | (rdev->family <= CHIP_CAYMAN) && | |
909 | rdev->mc_fw) { | |
ed18a360 | 910 | if (rdev->pm.default_vddc) |
8a83ec5e AD |
911 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, |
912 | SET_VOLTAGE_TYPE_ASIC_VDDC); | |
4639dd21 AD |
913 | if (rdev->pm.default_vddci) |
914 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddci, | |
915 | SET_VOLTAGE_TYPE_ASIC_VDDCI); | |
ed18a360 AD |
916 | if (rdev->pm.default_sclk) |
917 | radeon_set_engine_clock(rdev, rdev->pm.default_sclk); | |
918 | if (rdev->pm.default_mclk) | |
919 | radeon_set_memory_clock(rdev, rdev->pm.default_mclk); | |
920 | } | |
56278a8e AD |
921 | } |
922 | ||
21a8122a | 923 | /* set up the internal thermal sensor if applicable */ |
0d18abed DC |
924 | ret = radeon_hwmon_init(rdev); |
925 | if (ret) | |
926 | return ret; | |
32c87fca TH |
927 | |
928 | INIT_DELAYED_WORK(&rdev->pm.dynpm_idle_work, radeon_dynpm_idle_work_handler); | |
929 | ||
ce8f5370 | 930 | if (rdev->pm.num_power_states > 1) { |
ce8f5370 | 931 | /* where's the best place to put these? */ |
26481fb1 DA |
932 | ret = device_create_file(rdev->dev, &dev_attr_power_profile); |
933 | if (ret) | |
934 | DRM_ERROR("failed to create device file for power profile\n"); | |
935 | ret = device_create_file(rdev->dev, &dev_attr_power_method); | |
936 | if (ret) | |
937 | DRM_ERROR("failed to create device file for power method\n"); | |
a424816f | 938 | |
ce8f5370 AD |
939 | if (radeon_debugfs_pm_init(rdev)) { |
940 | DRM_ERROR("Failed to register debugfs file for PM!\n"); | |
941 | } | |
c913e23a | 942 | |
ce8f5370 AD |
943 | DRM_INFO("radeon: power management initialized\n"); |
944 | } | |
c913e23a | 945 | |
7433874e RM |
946 | return 0; |
947 | } | |
948 | ||
da321c8a AD |
949 | static void radeon_dpm_print_power_states(struct radeon_device *rdev) |
950 | { | |
951 | int i; | |
952 | ||
953 | for (i = 0; i < rdev->pm.dpm.num_ps; i++) { | |
954 | printk("== power state %d ==\n", i); | |
955 | radeon_dpm_print_power_state(rdev, &rdev->pm.dpm.ps[i]); | |
956 | } | |
957 | } | |
958 | ||
959 | static int radeon_pm_init_dpm(struct radeon_device *rdev) | |
960 | { | |
961 | int ret; | |
962 | ||
963 | /* default to performance state */ | |
964 | rdev->pm.dpm.state = POWER_STATE_TYPE_PERFORMANCE; | |
965 | rdev->pm.dpm.user_state = POWER_STATE_TYPE_PERFORMANCE; | |
966 | rdev->pm.default_sclk = rdev->clock.default_sclk; | |
967 | rdev->pm.default_mclk = rdev->clock.default_mclk; | |
968 | rdev->pm.current_sclk = rdev->clock.default_sclk; | |
969 | rdev->pm.current_mclk = rdev->clock.default_mclk; | |
970 | rdev->pm.int_thermal_type = THERMAL_TYPE_NONE; | |
971 | ||
972 | if (rdev->bios && rdev->is_atom_bios) | |
973 | radeon_atombios_get_power_modes(rdev); | |
974 | else | |
975 | return -EINVAL; | |
976 | ||
977 | /* set up the internal thermal sensor if applicable */ | |
978 | ret = radeon_hwmon_init(rdev); | |
979 | if (ret) | |
980 | return ret; | |
981 | ||
982 | INIT_WORK(&rdev->pm.dpm.thermal.work, radeon_dpm_thermal_work_handler); | |
983 | mutex_lock(&rdev->pm.mutex); | |
984 | radeon_dpm_init(rdev); | |
985 | rdev->pm.dpm.current_ps = rdev->pm.dpm.requested_ps = rdev->pm.dpm.boot_ps; | |
986 | radeon_dpm_print_power_states(rdev); | |
987 | radeon_dpm_setup_asic(rdev); | |
988 | ret = radeon_dpm_enable(rdev); | |
989 | mutex_unlock(&rdev->pm.mutex); | |
990 | if (ret) { | |
991 | rdev->pm.dpm_enabled = false; | |
992 | if ((rdev->family >= CHIP_BARTS) && | |
993 | (rdev->family <= CHIP_CAYMAN) && | |
994 | rdev->mc_fw) { | |
995 | if (rdev->pm.default_vddc) | |
996 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, | |
997 | SET_VOLTAGE_TYPE_ASIC_VDDC); | |
998 | if (rdev->pm.default_vddci) | |
999 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddci, | |
1000 | SET_VOLTAGE_TYPE_ASIC_VDDCI); | |
1001 | if (rdev->pm.default_sclk) | |
1002 | radeon_set_engine_clock(rdev, rdev->pm.default_sclk); | |
1003 | if (rdev->pm.default_mclk) | |
1004 | radeon_set_memory_clock(rdev, rdev->pm.default_mclk); | |
1005 | } | |
1006 | DRM_ERROR("radeon: dpm initialization failed\n"); | |
1007 | return ret; | |
1008 | } | |
1009 | rdev->pm.dpm_enabled = true; | |
1010 | radeon_pm_compute_clocks(rdev); | |
1011 | ||
1012 | if (rdev->pm.num_power_states > 1) { | |
1013 | ret = device_create_file(rdev->dev, &dev_attr_power_dpm_state); | |
1014 | if (ret) | |
1015 | DRM_ERROR("failed to create device file for dpm state\n"); | |
1016 | /* XXX: these are noops for dpm but are here for backwards compat */ | |
1017 | ret = device_create_file(rdev->dev, &dev_attr_power_profile); | |
1018 | if (ret) | |
1019 | DRM_ERROR("failed to create device file for power profile\n"); | |
1020 | ret = device_create_file(rdev->dev, &dev_attr_power_method); | |
1021 | if (ret) | |
1022 | DRM_ERROR("failed to create device file for power method\n"); | |
1023 | DRM_INFO("radeon: dpm initialized\n"); | |
1024 | } | |
1025 | ||
1026 | return 0; | |
1027 | } | |
1028 | ||
1029 | int radeon_pm_init(struct radeon_device *rdev) | |
1030 | { | |
1031 | /* enable dpm on rv6xx+ */ | |
1032 | switch (rdev->family) { | |
1033 | default: | |
1034 | /* default to profile method */ | |
1035 | rdev->pm.pm_method = PM_METHOD_PROFILE; | |
1036 | break; | |
1037 | } | |
1038 | ||
1039 | if (rdev->pm.pm_method == PM_METHOD_DPM) | |
1040 | return radeon_pm_init_dpm(rdev); | |
1041 | else | |
1042 | return radeon_pm_init_old(rdev); | |
1043 | } | |
1044 | ||
1045 | static void radeon_pm_fini_old(struct radeon_device *rdev) | |
29fb52ca | 1046 | { |
ce8f5370 | 1047 | if (rdev->pm.num_power_states > 1) { |
a424816f | 1048 | mutex_lock(&rdev->pm.mutex); |
ce8f5370 AD |
1049 | if (rdev->pm.pm_method == PM_METHOD_PROFILE) { |
1050 | rdev->pm.profile = PM_PROFILE_DEFAULT; | |
1051 | radeon_pm_update_profile(rdev); | |
1052 | radeon_pm_set_clocks(rdev); | |
1053 | } else if (rdev->pm.pm_method == PM_METHOD_DYNPM) { | |
ce8f5370 AD |
1054 | /* reset default clocks */ |
1055 | rdev->pm.dynpm_state = DYNPM_STATE_DISABLED; | |
1056 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_DEFAULT; | |
1057 | radeon_pm_set_clocks(rdev); | |
1058 | } | |
a424816f | 1059 | mutex_unlock(&rdev->pm.mutex); |
32c87fca TH |
1060 | |
1061 | cancel_delayed_work_sync(&rdev->pm.dynpm_idle_work); | |
58e21dff | 1062 | |
ce8f5370 AD |
1063 | device_remove_file(rdev->dev, &dev_attr_power_profile); |
1064 | device_remove_file(rdev->dev, &dev_attr_power_method); | |
ce8f5370 | 1065 | } |
a424816f | 1066 | |
0975b162 AD |
1067 | if (rdev->pm.power_state) |
1068 | kfree(rdev->pm.power_state); | |
1069 | ||
21a8122a | 1070 | radeon_hwmon_fini(rdev); |
29fb52ca AD |
1071 | } |
1072 | ||
da321c8a AD |
1073 | static void radeon_pm_fini_dpm(struct radeon_device *rdev) |
1074 | { | |
1075 | if (rdev->pm.num_power_states > 1) { | |
1076 | mutex_lock(&rdev->pm.mutex); | |
1077 | radeon_dpm_disable(rdev); | |
1078 | mutex_unlock(&rdev->pm.mutex); | |
1079 | ||
1080 | device_remove_file(rdev->dev, &dev_attr_power_dpm_state); | |
1081 | /* XXX backwards compat */ | |
1082 | device_remove_file(rdev->dev, &dev_attr_power_profile); | |
1083 | device_remove_file(rdev->dev, &dev_attr_power_method); | |
1084 | } | |
1085 | radeon_dpm_fini(rdev); | |
1086 | ||
1087 | if (rdev->pm.power_state) | |
1088 | kfree(rdev->pm.power_state); | |
1089 | ||
1090 | radeon_hwmon_fini(rdev); | |
1091 | } | |
1092 | ||
1093 | void radeon_pm_fini(struct radeon_device *rdev) | |
1094 | { | |
1095 | if (rdev->pm.pm_method == PM_METHOD_DPM) | |
1096 | radeon_pm_fini_dpm(rdev); | |
1097 | else | |
1098 | radeon_pm_fini_old(rdev); | |
1099 | } | |
1100 | ||
1101 | static void radeon_pm_compute_clocks_old(struct radeon_device *rdev) | |
c913e23a RM |
1102 | { |
1103 | struct drm_device *ddev = rdev->ddev; | |
a48b9b4e | 1104 | struct drm_crtc *crtc; |
c913e23a | 1105 | struct radeon_crtc *radeon_crtc; |
c913e23a | 1106 | |
ce8f5370 AD |
1107 | if (rdev->pm.num_power_states < 2) |
1108 | return; | |
1109 | ||
c913e23a RM |
1110 | mutex_lock(&rdev->pm.mutex); |
1111 | ||
1112 | rdev->pm.active_crtcs = 0; | |
a48b9b4e AD |
1113 | rdev->pm.active_crtc_count = 0; |
1114 | list_for_each_entry(crtc, | |
1115 | &ddev->mode_config.crtc_list, head) { | |
1116 | radeon_crtc = to_radeon_crtc(crtc); | |
1117 | if (radeon_crtc->enabled) { | |
c913e23a | 1118 | rdev->pm.active_crtcs |= (1 << radeon_crtc->crtc_id); |
a48b9b4e | 1119 | rdev->pm.active_crtc_count++; |
c913e23a RM |
1120 | } |
1121 | } | |
1122 | ||
ce8f5370 AD |
1123 | if (rdev->pm.pm_method == PM_METHOD_PROFILE) { |
1124 | radeon_pm_update_profile(rdev); | |
1125 | radeon_pm_set_clocks(rdev); | |
1126 | } else if (rdev->pm.pm_method == PM_METHOD_DYNPM) { | |
1127 | if (rdev->pm.dynpm_state != DYNPM_STATE_DISABLED) { | |
1128 | if (rdev->pm.active_crtc_count > 1) { | |
1129 | if (rdev->pm.dynpm_state == DYNPM_STATE_ACTIVE) { | |
1130 | cancel_delayed_work(&rdev->pm.dynpm_idle_work); | |
1131 | ||
1132 | rdev->pm.dynpm_state = DYNPM_STATE_PAUSED; | |
1133 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_DEFAULT; | |
1134 | radeon_pm_get_dynpm_state(rdev); | |
1135 | radeon_pm_set_clocks(rdev); | |
1136 | ||
d9fdaafb | 1137 | DRM_DEBUG_DRIVER("radeon: dynamic power management deactivated\n"); |
ce8f5370 AD |
1138 | } |
1139 | } else if (rdev->pm.active_crtc_count == 1) { | |
1140 | /* TODO: Increase clocks if needed for current mode */ | |
1141 | ||
1142 | if (rdev->pm.dynpm_state == DYNPM_STATE_MINIMUM) { | |
1143 | rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE; | |
1144 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_UPCLOCK; | |
1145 | radeon_pm_get_dynpm_state(rdev); | |
1146 | radeon_pm_set_clocks(rdev); | |
1147 | ||
32c87fca TH |
1148 | schedule_delayed_work(&rdev->pm.dynpm_idle_work, |
1149 | msecs_to_jiffies(RADEON_IDLE_LOOP_MS)); | |
ce8f5370 AD |
1150 | } else if (rdev->pm.dynpm_state == DYNPM_STATE_PAUSED) { |
1151 | rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE; | |
32c87fca TH |
1152 | schedule_delayed_work(&rdev->pm.dynpm_idle_work, |
1153 | msecs_to_jiffies(RADEON_IDLE_LOOP_MS)); | |
d9fdaafb | 1154 | DRM_DEBUG_DRIVER("radeon: dynamic power management activated\n"); |
ce8f5370 AD |
1155 | } |
1156 | } else { /* count == 0 */ | |
1157 | if (rdev->pm.dynpm_state != DYNPM_STATE_MINIMUM) { | |
1158 | cancel_delayed_work(&rdev->pm.dynpm_idle_work); | |
1159 | ||
1160 | rdev->pm.dynpm_state = DYNPM_STATE_MINIMUM; | |
1161 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_MINIMUM; | |
1162 | radeon_pm_get_dynpm_state(rdev); | |
1163 | radeon_pm_set_clocks(rdev); | |
1164 | } | |
1165 | } | |
c913e23a | 1166 | } |
c913e23a | 1167 | } |
73a6d3fc RM |
1168 | |
1169 | mutex_unlock(&rdev->pm.mutex); | |
c913e23a RM |
1170 | } |
1171 | ||
da321c8a AD |
1172 | static void radeon_pm_compute_clocks_dpm(struct radeon_device *rdev) |
1173 | { | |
1174 | struct drm_device *ddev = rdev->ddev; | |
1175 | struct drm_crtc *crtc; | |
1176 | struct radeon_crtc *radeon_crtc; | |
1177 | ||
1178 | mutex_lock(&rdev->pm.mutex); | |
1179 | ||
1180 | rdev->pm.dpm.new_active_crtcs = 0; | |
1181 | rdev->pm.dpm.new_active_crtc_count = 0; | |
1182 | list_for_each_entry(crtc, | |
1183 | &ddev->mode_config.crtc_list, head) { | |
1184 | radeon_crtc = to_radeon_crtc(crtc); | |
1185 | if (crtc->enabled) { | |
1186 | rdev->pm.dpm.new_active_crtcs |= (1 << radeon_crtc->crtc_id); | |
1187 | rdev->pm.dpm.new_active_crtc_count++; | |
1188 | } | |
1189 | } | |
1190 | ||
1191 | radeon_dpm_change_power_state_locked(rdev); | |
1192 | ||
1193 | mutex_unlock(&rdev->pm.mutex); | |
1194 | } | |
1195 | ||
1196 | void radeon_pm_compute_clocks(struct radeon_device *rdev) | |
1197 | { | |
1198 | if (rdev->pm.pm_method == PM_METHOD_DPM) | |
1199 | radeon_pm_compute_clocks_dpm(rdev); | |
1200 | else | |
1201 | radeon_pm_compute_clocks_old(rdev); | |
1202 | } | |
1203 | ||
ce8f5370 | 1204 | static bool radeon_pm_in_vbl(struct radeon_device *rdev) |
f735261b | 1205 | { |
75fa0b08 | 1206 | int crtc, vpos, hpos, vbl_status; |
f735261b DA |
1207 | bool in_vbl = true; |
1208 | ||
75fa0b08 MK |
1209 | /* Iterate over all active crtc's. All crtc's must be in vblank, |
1210 | * otherwise return in_vbl == false. | |
1211 | */ | |
1212 | for (crtc = 0; (crtc < rdev->num_crtc) && in_vbl; crtc++) { | |
1213 | if (rdev->pm.active_crtcs & (1 << crtc)) { | |
f5a80209 MK |
1214 | vbl_status = radeon_get_crtc_scanoutpos(rdev->ddev, crtc, &vpos, &hpos); |
1215 | if ((vbl_status & DRM_SCANOUTPOS_VALID) && | |
1216 | !(vbl_status & DRM_SCANOUTPOS_INVBL)) | |
f735261b DA |
1217 | in_vbl = false; |
1218 | } | |
1219 | } | |
f81f2024 MG |
1220 | |
1221 | return in_vbl; | |
1222 | } | |
1223 | ||
ce8f5370 | 1224 | static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish) |
f81f2024 MG |
1225 | { |
1226 | u32 stat_crtc = 0; | |
1227 | bool in_vbl = radeon_pm_in_vbl(rdev); | |
1228 | ||
f735261b | 1229 | if (in_vbl == false) |
d9fdaafb | 1230 | DRM_DEBUG_DRIVER("not in vbl for pm change %08x at %s\n", stat_crtc, |
bae6b562 | 1231 | finish ? "exit" : "entry"); |
f735261b DA |
1232 | return in_vbl; |
1233 | } | |
c913e23a | 1234 | |
ce8f5370 | 1235 | static void radeon_dynpm_idle_work_handler(struct work_struct *work) |
c913e23a RM |
1236 | { |
1237 | struct radeon_device *rdev; | |
d9932a32 | 1238 | int resched; |
c913e23a | 1239 | rdev = container_of(work, struct radeon_device, |
ce8f5370 | 1240 | pm.dynpm_idle_work.work); |
c913e23a | 1241 | |
d9932a32 | 1242 | resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev); |
c913e23a | 1243 | mutex_lock(&rdev->pm.mutex); |
ce8f5370 | 1244 | if (rdev->pm.dynpm_state == DYNPM_STATE_ACTIVE) { |
c913e23a | 1245 | int not_processed = 0; |
7465280c AD |
1246 | int i; |
1247 | ||
7465280c | 1248 | for (i = 0; i < RADEON_NUM_RINGS; ++i) { |
0ec0612a AD |
1249 | struct radeon_ring *ring = &rdev->ring[i]; |
1250 | ||
1251 | if (ring->ready) { | |
1252 | not_processed += radeon_fence_count_emitted(rdev, i); | |
1253 | if (not_processed >= 3) | |
1254 | break; | |
1255 | } | |
c913e23a | 1256 | } |
c913e23a RM |
1257 | |
1258 | if (not_processed >= 3) { /* should upclock */ | |
ce8f5370 AD |
1259 | if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_DOWNCLOCK) { |
1260 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE; | |
1261 | } else if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_NONE && | |
1262 | rdev->pm.dynpm_can_upclock) { | |
1263 | rdev->pm.dynpm_planned_action = | |
1264 | DYNPM_ACTION_UPCLOCK; | |
1265 | rdev->pm.dynpm_action_timeout = jiffies + | |
c913e23a RM |
1266 | msecs_to_jiffies(RADEON_RECLOCK_DELAY_MS); |
1267 | } | |
1268 | } else if (not_processed == 0) { /* should downclock */ | |
ce8f5370 AD |
1269 | if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_UPCLOCK) { |
1270 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE; | |
1271 | } else if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_NONE && | |
1272 | rdev->pm.dynpm_can_downclock) { | |
1273 | rdev->pm.dynpm_planned_action = | |
1274 | DYNPM_ACTION_DOWNCLOCK; | |
1275 | rdev->pm.dynpm_action_timeout = jiffies + | |
c913e23a RM |
1276 | msecs_to_jiffies(RADEON_RECLOCK_DELAY_MS); |
1277 | } | |
1278 | } | |
1279 | ||
d7311171 AD |
1280 | /* Note, radeon_pm_set_clocks is called with static_switch set |
1281 | * to false since we want to wait for vbl to avoid flicker. | |
1282 | */ | |
ce8f5370 AD |
1283 | if (rdev->pm.dynpm_planned_action != DYNPM_ACTION_NONE && |
1284 | jiffies > rdev->pm.dynpm_action_timeout) { | |
1285 | radeon_pm_get_dynpm_state(rdev); | |
1286 | radeon_pm_set_clocks(rdev); | |
c913e23a | 1287 | } |
3f53eb6f | 1288 | |
32c87fca TH |
1289 | schedule_delayed_work(&rdev->pm.dynpm_idle_work, |
1290 | msecs_to_jiffies(RADEON_IDLE_LOOP_MS)); | |
c913e23a RM |
1291 | } |
1292 | mutex_unlock(&rdev->pm.mutex); | |
d9932a32 | 1293 | ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched); |
c913e23a RM |
1294 | } |
1295 | ||
7433874e RM |
1296 | /* |
1297 | * Debugfs info | |
1298 | */ | |
1299 | #if defined(CONFIG_DEBUG_FS) | |
1300 | ||
1301 | static int radeon_debugfs_pm_info(struct seq_file *m, void *data) | |
1302 | { | |
1303 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
1304 | struct drm_device *dev = node->minor->dev; | |
1305 | struct radeon_device *rdev = dev->dev_private; | |
1306 | ||
9ace9f7b | 1307 | seq_printf(m, "default engine clock: %u0 kHz\n", rdev->pm.default_sclk); |
bf05d998 AD |
1308 | /* radeon_get_engine_clock is not reliable on APUs so just print the current clock */ |
1309 | if ((rdev->family >= CHIP_PALM) && (rdev->flags & RADEON_IS_IGP)) | |
1310 | seq_printf(m, "current engine clock: %u0 kHz\n", rdev->pm.current_sclk); | |
1311 | else | |
1312 | seq_printf(m, "current engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev)); | |
9ace9f7b | 1313 | seq_printf(m, "default memory clock: %u0 kHz\n", rdev->pm.default_mclk); |
798bcf73 | 1314 | if (rdev->asic->pm.get_memory_clock) |
6234077d | 1315 | seq_printf(m, "current memory clock: %u0 kHz\n", radeon_get_memory_clock(rdev)); |
0fcbe947 RM |
1316 | if (rdev->pm.current_vddc) |
1317 | seq_printf(m, "voltage: %u mV\n", rdev->pm.current_vddc); | |
798bcf73 | 1318 | if (rdev->asic->pm.get_pcie_lanes) |
aa5120d2 | 1319 | seq_printf(m, "PCIE lanes: %d\n", radeon_get_pcie_lanes(rdev)); |
7433874e RM |
1320 | |
1321 | return 0; | |
1322 | } | |
1323 | ||
1324 | static struct drm_info_list radeon_pm_info_list[] = { | |
1325 | {"radeon_pm_info", radeon_debugfs_pm_info, 0, NULL}, | |
1326 | }; | |
1327 | #endif | |
1328 | ||
c913e23a | 1329 | static int radeon_debugfs_pm_init(struct radeon_device *rdev) |
7433874e RM |
1330 | { |
1331 | #if defined(CONFIG_DEBUG_FS) | |
1332 | return radeon_debugfs_add_files(rdev, radeon_pm_info_list, ARRAY_SIZE(radeon_pm_info_list)); | |
1333 | #else | |
1334 | return 0; | |
1335 | #endif | |
1336 | } |