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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", | |
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 | ||
70d01a5e AD |
471 | static ssize_t radeon_get_dpm_forced_performance_level(struct device *dev, |
472 | struct device_attribute *attr, | |
473 | char *buf) | |
474 | { | |
475 | struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); | |
476 | struct radeon_device *rdev = ddev->dev_private; | |
477 | enum radeon_dpm_forced_level level = rdev->pm.dpm.forced_level; | |
478 | ||
479 | return snprintf(buf, PAGE_SIZE, "%s\n", | |
480 | (level == RADEON_DPM_FORCED_LEVEL_AUTO) ? "auto" : | |
481 | (level == RADEON_DPM_FORCED_LEVEL_LOW) ? "low" : "high"); | |
482 | } | |
483 | ||
484 | static ssize_t radeon_set_dpm_forced_performance_level(struct device *dev, | |
485 | struct device_attribute *attr, | |
486 | const char *buf, | |
487 | size_t count) | |
488 | { | |
489 | struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); | |
490 | struct radeon_device *rdev = ddev->dev_private; | |
491 | enum radeon_dpm_forced_level level; | |
492 | int ret = 0; | |
493 | ||
494 | mutex_lock(&rdev->pm.mutex); | |
495 | if (strncmp("low", buf, strlen("low")) == 0) { | |
496 | level = RADEON_DPM_FORCED_LEVEL_LOW; | |
497 | } else if (strncmp("high", buf, strlen("high")) == 0) { | |
498 | level = RADEON_DPM_FORCED_LEVEL_HIGH; | |
499 | } else if (strncmp("auto", buf, strlen("auto")) == 0) { | |
500 | level = RADEON_DPM_FORCED_LEVEL_AUTO; | |
501 | } else { | |
502 | mutex_unlock(&rdev->pm.mutex); | |
503 | count = -EINVAL; | |
504 | goto fail; | |
505 | } | |
506 | if (rdev->asic->dpm.force_performance_level) { | |
507 | ret = radeon_dpm_force_performance_level(rdev, level); | |
508 | if (ret) | |
509 | count = -EINVAL; | |
510 | } | |
511 | mutex_unlock(&rdev->pm.mutex); | |
512 | fail: | |
513 | return count; | |
514 | } | |
515 | ||
ce8f5370 AD |
516 | static DEVICE_ATTR(power_profile, S_IRUGO | S_IWUSR, radeon_get_pm_profile, radeon_set_pm_profile); |
517 | static DEVICE_ATTR(power_method, S_IRUGO | S_IWUSR, radeon_get_pm_method, radeon_set_pm_method); | |
da321c8a | 518 | static DEVICE_ATTR(power_dpm_state, S_IRUGO | S_IWUSR, radeon_get_dpm_state, radeon_set_dpm_state); |
70d01a5e AD |
519 | static DEVICE_ATTR(power_dpm_force_performance_level, S_IRUGO | S_IWUSR, |
520 | radeon_get_dpm_forced_performance_level, | |
521 | radeon_set_dpm_forced_performance_level); | |
a424816f | 522 | |
21a8122a AD |
523 | static ssize_t radeon_hwmon_show_temp(struct device *dev, |
524 | struct device_attribute *attr, | |
525 | char *buf) | |
526 | { | |
527 | struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); | |
528 | struct radeon_device *rdev = ddev->dev_private; | |
20d391d7 | 529 | int temp; |
21a8122a | 530 | |
6bd1c385 AD |
531 | if (rdev->asic->pm.get_temperature) |
532 | temp = radeon_get_temperature(rdev); | |
533 | else | |
21a8122a | 534 | temp = 0; |
21a8122a AD |
535 | |
536 | return snprintf(buf, PAGE_SIZE, "%d\n", temp); | |
537 | } | |
538 | ||
539 | static ssize_t radeon_hwmon_show_name(struct device *dev, | |
540 | struct device_attribute *attr, | |
541 | char *buf) | |
542 | { | |
543 | return sprintf(buf, "radeon\n"); | |
544 | } | |
545 | ||
546 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, radeon_hwmon_show_temp, NULL, 0); | |
547 | static SENSOR_DEVICE_ATTR(name, S_IRUGO, radeon_hwmon_show_name, NULL, 0); | |
548 | ||
549 | static struct attribute *hwmon_attributes[] = { | |
550 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
551 | &sensor_dev_attr_name.dev_attr.attr, | |
552 | NULL | |
553 | }; | |
554 | ||
555 | static const struct attribute_group hwmon_attrgroup = { | |
556 | .attrs = hwmon_attributes, | |
557 | }; | |
558 | ||
0d18abed | 559 | static int radeon_hwmon_init(struct radeon_device *rdev) |
21a8122a | 560 | { |
0d18abed | 561 | int err = 0; |
21a8122a AD |
562 | |
563 | rdev->pm.int_hwmon_dev = NULL; | |
564 | ||
565 | switch (rdev->pm.int_thermal_type) { | |
566 | case THERMAL_TYPE_RV6XX: | |
567 | case THERMAL_TYPE_RV770: | |
568 | case THERMAL_TYPE_EVERGREEN: | |
457558ed | 569 | case THERMAL_TYPE_NI: |
e33df25f | 570 | case THERMAL_TYPE_SUMO: |
1bd47d2e | 571 | case THERMAL_TYPE_SI: |
6bd1c385 | 572 | if (rdev->asic->pm.get_temperature == NULL) |
5d7486c7 | 573 | return err; |
21a8122a | 574 | rdev->pm.int_hwmon_dev = hwmon_device_register(rdev->dev); |
0d18abed DC |
575 | if (IS_ERR(rdev->pm.int_hwmon_dev)) { |
576 | err = PTR_ERR(rdev->pm.int_hwmon_dev); | |
577 | dev_err(rdev->dev, | |
578 | "Unable to register hwmon device: %d\n", err); | |
579 | break; | |
580 | } | |
21a8122a AD |
581 | dev_set_drvdata(rdev->pm.int_hwmon_dev, rdev->ddev); |
582 | err = sysfs_create_group(&rdev->pm.int_hwmon_dev->kobj, | |
583 | &hwmon_attrgroup); | |
0d18abed DC |
584 | if (err) { |
585 | dev_err(rdev->dev, | |
586 | "Unable to create hwmon sysfs file: %d\n", err); | |
587 | hwmon_device_unregister(rdev->dev); | |
588 | } | |
21a8122a AD |
589 | break; |
590 | default: | |
591 | break; | |
592 | } | |
0d18abed DC |
593 | |
594 | return err; | |
21a8122a AD |
595 | } |
596 | ||
597 | static void radeon_hwmon_fini(struct radeon_device *rdev) | |
598 | { | |
599 | if (rdev->pm.int_hwmon_dev) { | |
600 | sysfs_remove_group(&rdev->pm.int_hwmon_dev->kobj, &hwmon_attrgroup); | |
601 | hwmon_device_unregister(rdev->pm.int_hwmon_dev); | |
602 | } | |
603 | } | |
604 | ||
da321c8a AD |
605 | static void radeon_dpm_thermal_work_handler(struct work_struct *work) |
606 | { | |
607 | struct radeon_device *rdev = | |
608 | container_of(work, struct radeon_device, | |
609 | pm.dpm.thermal.work); | |
610 | /* switch to the thermal state */ | |
611 | enum radeon_pm_state_type dpm_state = POWER_STATE_TYPE_INTERNAL_THERMAL; | |
612 | ||
613 | if (!rdev->pm.dpm_enabled) | |
614 | return; | |
615 | ||
616 | if (rdev->asic->pm.get_temperature) { | |
617 | int temp = radeon_get_temperature(rdev); | |
618 | ||
619 | if (temp < rdev->pm.dpm.thermal.min_temp) | |
620 | /* switch back the user state */ | |
621 | dpm_state = rdev->pm.dpm.user_state; | |
622 | } else { | |
623 | if (rdev->pm.dpm.thermal.high_to_low) | |
624 | /* switch back the user state */ | |
625 | dpm_state = rdev->pm.dpm.user_state; | |
626 | } | |
627 | radeon_dpm_enable_power_state(rdev, dpm_state); | |
628 | } | |
629 | ||
630 | static struct radeon_ps *radeon_dpm_pick_power_state(struct radeon_device *rdev, | |
631 | enum radeon_pm_state_type dpm_state) | |
632 | { | |
633 | int i; | |
634 | struct radeon_ps *ps; | |
635 | u32 ui_class; | |
48783069 AD |
636 | bool single_display = (rdev->pm.dpm.new_active_crtc_count < 2) ? |
637 | true : false; | |
638 | ||
639 | /* check if the vblank period is too short to adjust the mclk */ | |
640 | if (single_display && rdev->asic->dpm.vblank_too_short) { | |
641 | if (radeon_dpm_vblank_too_short(rdev)) | |
642 | single_display = false; | |
643 | } | |
da321c8a | 644 | |
edcaa5b1 AD |
645 | /* certain older asics have a separare 3D performance state, |
646 | * so try that first if the user selected performance | |
647 | */ | |
648 | if (dpm_state == POWER_STATE_TYPE_PERFORMANCE) | |
649 | dpm_state = POWER_STATE_TYPE_INTERNAL_3DPERF; | |
da321c8a AD |
650 | /* balanced states don't exist at the moment */ |
651 | if (dpm_state == POWER_STATE_TYPE_BALANCED) | |
652 | dpm_state = POWER_STATE_TYPE_PERFORMANCE; | |
653 | ||
edcaa5b1 | 654 | restart_search: |
da321c8a AD |
655 | /* Pick the best power state based on current conditions */ |
656 | for (i = 0; i < rdev->pm.dpm.num_ps; i++) { | |
657 | ps = &rdev->pm.dpm.ps[i]; | |
658 | ui_class = ps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK; | |
659 | switch (dpm_state) { | |
660 | /* user states */ | |
661 | case POWER_STATE_TYPE_BATTERY: | |
662 | if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY) { | |
663 | if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) { | |
48783069 | 664 | if (single_display) |
da321c8a AD |
665 | return ps; |
666 | } else | |
667 | return ps; | |
668 | } | |
669 | break; | |
670 | case POWER_STATE_TYPE_BALANCED: | |
671 | if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BALANCED) { | |
672 | if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) { | |
48783069 | 673 | if (single_display) |
da321c8a AD |
674 | return ps; |
675 | } else | |
676 | return ps; | |
677 | } | |
678 | break; | |
679 | case POWER_STATE_TYPE_PERFORMANCE: | |
680 | if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) { | |
681 | if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) { | |
48783069 | 682 | if (single_display) |
da321c8a AD |
683 | return ps; |
684 | } else | |
685 | return ps; | |
686 | } | |
687 | break; | |
688 | /* internal states */ | |
689 | case POWER_STATE_TYPE_INTERNAL_UVD: | |
690 | return rdev->pm.dpm.uvd_ps; | |
691 | case POWER_STATE_TYPE_INTERNAL_UVD_SD: | |
692 | if (ps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE) | |
693 | return ps; | |
694 | break; | |
695 | case POWER_STATE_TYPE_INTERNAL_UVD_HD: | |
696 | if (ps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE) | |
697 | return ps; | |
698 | break; | |
699 | case POWER_STATE_TYPE_INTERNAL_UVD_HD2: | |
700 | if (ps->class & ATOM_PPLIB_CLASSIFICATION_HD2STATE) | |
701 | return ps; | |
702 | break; | |
703 | case POWER_STATE_TYPE_INTERNAL_UVD_MVC: | |
704 | if (ps->class2 & ATOM_PPLIB_CLASSIFICATION2_MVC) | |
705 | return ps; | |
706 | break; | |
707 | case POWER_STATE_TYPE_INTERNAL_BOOT: | |
708 | return rdev->pm.dpm.boot_ps; | |
709 | case POWER_STATE_TYPE_INTERNAL_THERMAL: | |
710 | if (ps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL) | |
711 | return ps; | |
712 | break; | |
713 | case POWER_STATE_TYPE_INTERNAL_ACPI: | |
714 | if (ps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) | |
715 | return ps; | |
716 | break; | |
717 | case POWER_STATE_TYPE_INTERNAL_ULV: | |
718 | if (ps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) | |
719 | return ps; | |
720 | break; | |
edcaa5b1 AD |
721 | case POWER_STATE_TYPE_INTERNAL_3DPERF: |
722 | if (ps->class & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE) | |
723 | return ps; | |
724 | break; | |
da321c8a AD |
725 | default: |
726 | break; | |
727 | } | |
728 | } | |
729 | /* use a fallback state if we didn't match */ | |
730 | switch (dpm_state) { | |
731 | case POWER_STATE_TYPE_INTERNAL_UVD_SD: | |
732 | case POWER_STATE_TYPE_INTERNAL_UVD_HD: | |
733 | case POWER_STATE_TYPE_INTERNAL_UVD_HD2: | |
734 | case POWER_STATE_TYPE_INTERNAL_UVD_MVC: | |
735 | return rdev->pm.dpm.uvd_ps; | |
736 | case POWER_STATE_TYPE_INTERNAL_THERMAL: | |
737 | dpm_state = POWER_STATE_TYPE_INTERNAL_ACPI; | |
738 | goto restart_search; | |
739 | case POWER_STATE_TYPE_INTERNAL_ACPI: | |
740 | dpm_state = POWER_STATE_TYPE_BATTERY; | |
741 | goto restart_search; | |
742 | case POWER_STATE_TYPE_BATTERY: | |
edcaa5b1 AD |
743 | case POWER_STATE_TYPE_BALANCED: |
744 | case POWER_STATE_TYPE_INTERNAL_3DPERF: | |
da321c8a AD |
745 | dpm_state = POWER_STATE_TYPE_PERFORMANCE; |
746 | goto restart_search; | |
747 | default: | |
748 | break; | |
749 | } | |
750 | ||
751 | return NULL; | |
752 | } | |
753 | ||
754 | static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev) | |
755 | { | |
756 | int i; | |
757 | struct radeon_ps *ps; | |
758 | enum radeon_pm_state_type dpm_state; | |
84dd1928 | 759 | int ret; |
da321c8a AD |
760 | |
761 | /* if dpm init failed */ | |
762 | if (!rdev->pm.dpm_enabled) | |
763 | return; | |
764 | ||
765 | if (rdev->pm.dpm.user_state != rdev->pm.dpm.state) { | |
766 | /* add other state override checks here */ | |
8a227555 AD |
767 | if ((!rdev->pm.dpm.thermal_active) && |
768 | (!rdev->pm.dpm.uvd_active)) | |
da321c8a AD |
769 | rdev->pm.dpm.state = rdev->pm.dpm.user_state; |
770 | } | |
771 | dpm_state = rdev->pm.dpm.state; | |
772 | ||
773 | ps = radeon_dpm_pick_power_state(rdev, dpm_state); | |
774 | if (ps) | |
89c9bc56 | 775 | rdev->pm.dpm.requested_ps = ps; |
da321c8a AD |
776 | else |
777 | return; | |
778 | ||
d22b7e40 | 779 | /* no need to reprogram if nothing changed unless we are on BTC+ */ |
da321c8a | 780 | if (rdev->pm.dpm.current_ps == rdev->pm.dpm.requested_ps) { |
d22b7e40 AD |
781 | if ((rdev->family < CHIP_BARTS) || (rdev->flags & RADEON_IS_IGP)) { |
782 | /* for pre-BTC and APUs if the num crtcs changed but state is the same, | |
783 | * all we need to do is update the display configuration. | |
784 | */ | |
785 | if (rdev->pm.dpm.new_active_crtcs != rdev->pm.dpm.current_active_crtcs) { | |
786 | /* update display watermarks based on new power state */ | |
787 | radeon_bandwidth_update(rdev); | |
788 | /* update displays */ | |
789 | radeon_dpm_display_configuration_changed(rdev); | |
790 | rdev->pm.dpm.current_active_crtcs = rdev->pm.dpm.new_active_crtcs; | |
791 | rdev->pm.dpm.current_active_crtc_count = rdev->pm.dpm.new_active_crtc_count; | |
792 | } | |
793 | return; | |
794 | } else { | |
795 | /* for BTC+ if the num crtcs hasn't changed and state is the same, | |
796 | * nothing to do, if the num crtcs is > 1 and state is the same, | |
797 | * update display configuration. | |
798 | */ | |
799 | if (rdev->pm.dpm.new_active_crtcs == | |
800 | rdev->pm.dpm.current_active_crtcs) { | |
801 | return; | |
802 | } else { | |
803 | if ((rdev->pm.dpm.current_active_crtc_count > 1) && | |
804 | (rdev->pm.dpm.new_active_crtc_count > 1)) { | |
805 | /* update display watermarks based on new power state */ | |
806 | radeon_bandwidth_update(rdev); | |
807 | /* update displays */ | |
808 | radeon_dpm_display_configuration_changed(rdev); | |
809 | rdev->pm.dpm.current_active_crtcs = rdev->pm.dpm.new_active_crtcs; | |
810 | rdev->pm.dpm.current_active_crtc_count = rdev->pm.dpm.new_active_crtc_count; | |
811 | return; | |
812 | } | |
813 | } | |
da321c8a | 814 | } |
da321c8a AD |
815 | } |
816 | ||
817 | printk("switching from power state:\n"); | |
818 | radeon_dpm_print_power_state(rdev, rdev->pm.dpm.current_ps); | |
819 | printk("switching to power state:\n"); | |
820 | radeon_dpm_print_power_state(rdev, rdev->pm.dpm.requested_ps); | |
821 | ||
822 | mutex_lock(&rdev->ddev->struct_mutex); | |
823 | down_write(&rdev->pm.mclk_lock); | |
824 | mutex_lock(&rdev->ring_lock); | |
825 | ||
89c9bc56 AD |
826 | ret = radeon_dpm_pre_set_power_state(rdev); |
827 | if (ret) | |
828 | goto done; | |
84dd1928 | 829 | |
da321c8a AD |
830 | /* update display watermarks based on new power state */ |
831 | radeon_bandwidth_update(rdev); | |
832 | /* update displays */ | |
833 | radeon_dpm_display_configuration_changed(rdev); | |
834 | ||
835 | rdev->pm.dpm.current_active_crtcs = rdev->pm.dpm.new_active_crtcs; | |
836 | rdev->pm.dpm.current_active_crtc_count = rdev->pm.dpm.new_active_crtc_count; | |
837 | ||
838 | /* wait for the rings to drain */ | |
839 | for (i = 0; i < RADEON_NUM_RINGS; i++) { | |
840 | struct radeon_ring *ring = &rdev->ring[i]; | |
841 | if (ring->ready) | |
842 | radeon_fence_wait_empty_locked(rdev, i); | |
843 | } | |
844 | ||
845 | /* program the new power state */ | |
846 | radeon_dpm_set_power_state(rdev); | |
847 | ||
848 | /* update current power state */ | |
849 | rdev->pm.dpm.current_ps = rdev->pm.dpm.requested_ps; | |
850 | ||
89c9bc56 | 851 | radeon_dpm_post_set_power_state(rdev); |
84dd1928 AD |
852 | |
853 | done: | |
da321c8a AD |
854 | mutex_unlock(&rdev->ring_lock); |
855 | up_write(&rdev->pm.mclk_lock); | |
856 | mutex_unlock(&rdev->ddev->struct_mutex); | |
857 | } | |
858 | ||
859 | void radeon_dpm_enable_power_state(struct radeon_device *rdev, | |
860 | enum radeon_pm_state_type dpm_state) | |
861 | { | |
862 | if (!rdev->pm.dpm_enabled) | |
863 | return; | |
864 | ||
865 | mutex_lock(&rdev->pm.mutex); | |
866 | switch (dpm_state) { | |
867 | case POWER_STATE_TYPE_INTERNAL_THERMAL: | |
868 | rdev->pm.dpm.thermal_active = true; | |
869 | break; | |
8a227555 AD |
870 | case POWER_STATE_TYPE_INTERNAL_UVD: |
871 | case POWER_STATE_TYPE_INTERNAL_UVD_SD: | |
872 | case POWER_STATE_TYPE_INTERNAL_UVD_HD: | |
873 | case POWER_STATE_TYPE_INTERNAL_UVD_HD2: | |
874 | case POWER_STATE_TYPE_INTERNAL_UVD_MVC: | |
875 | rdev->pm.dpm.uvd_active = true; | |
876 | break; | |
da321c8a AD |
877 | default: |
878 | rdev->pm.dpm.thermal_active = false; | |
8a227555 | 879 | rdev->pm.dpm.uvd_active = false; |
da321c8a AD |
880 | break; |
881 | } | |
882 | rdev->pm.dpm.state = dpm_state; | |
883 | mutex_unlock(&rdev->pm.mutex); | |
884 | radeon_pm_compute_clocks(rdev); | |
885 | } | |
886 | ||
887 | static void radeon_pm_suspend_old(struct radeon_device *rdev) | |
56278a8e | 888 | { |
ce8f5370 | 889 | mutex_lock(&rdev->pm.mutex); |
3f53eb6f | 890 | if (rdev->pm.pm_method == PM_METHOD_DYNPM) { |
3f53eb6f RW |
891 | if (rdev->pm.dynpm_state == DYNPM_STATE_ACTIVE) |
892 | rdev->pm.dynpm_state = DYNPM_STATE_SUSPENDED; | |
3f53eb6f | 893 | } |
ce8f5370 | 894 | mutex_unlock(&rdev->pm.mutex); |
32c87fca TH |
895 | |
896 | cancel_delayed_work_sync(&rdev->pm.dynpm_idle_work); | |
56278a8e AD |
897 | } |
898 | ||
da321c8a AD |
899 | static void radeon_pm_suspend_dpm(struct radeon_device *rdev) |
900 | { | |
901 | mutex_lock(&rdev->pm.mutex); | |
902 | /* disable dpm */ | |
903 | radeon_dpm_disable(rdev); | |
904 | /* reset the power state */ | |
905 | rdev->pm.dpm.current_ps = rdev->pm.dpm.requested_ps = rdev->pm.dpm.boot_ps; | |
906 | rdev->pm.dpm_enabled = false; | |
907 | mutex_unlock(&rdev->pm.mutex); | |
908 | } | |
909 | ||
910 | void radeon_pm_suspend(struct radeon_device *rdev) | |
911 | { | |
912 | if (rdev->pm.pm_method == PM_METHOD_DPM) | |
913 | radeon_pm_suspend_dpm(rdev); | |
914 | else | |
915 | radeon_pm_suspend_old(rdev); | |
916 | } | |
917 | ||
918 | static void radeon_pm_resume_old(struct radeon_device *rdev) | |
d0d6cb81 | 919 | { |
ed18a360 | 920 | /* set up the default clocks if the MC ucode is loaded */ |
2e3b3b10 | 921 | if ((rdev->family >= CHIP_BARTS) && |
c6cf7777 | 922 | (rdev->family <= CHIP_HAINAN) && |
2e3b3b10 | 923 | rdev->mc_fw) { |
ed18a360 | 924 | if (rdev->pm.default_vddc) |
8a83ec5e AD |
925 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, |
926 | SET_VOLTAGE_TYPE_ASIC_VDDC); | |
2feea49a AD |
927 | if (rdev->pm.default_vddci) |
928 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddci, | |
929 | SET_VOLTAGE_TYPE_ASIC_VDDCI); | |
ed18a360 AD |
930 | if (rdev->pm.default_sclk) |
931 | radeon_set_engine_clock(rdev, rdev->pm.default_sclk); | |
932 | if (rdev->pm.default_mclk) | |
933 | radeon_set_memory_clock(rdev, rdev->pm.default_mclk); | |
934 | } | |
f8ed8b4c AD |
935 | /* asic init will reset the default power state */ |
936 | mutex_lock(&rdev->pm.mutex); | |
937 | rdev->pm.current_power_state_index = rdev->pm.default_power_state_index; | |
938 | rdev->pm.current_clock_mode_index = 0; | |
9ace9f7b AD |
939 | rdev->pm.current_sclk = rdev->pm.default_sclk; |
940 | rdev->pm.current_mclk = rdev->pm.default_mclk; | |
4d60173f | 941 | rdev->pm.current_vddc = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage; |
2feea49a | 942 | rdev->pm.current_vddci = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.vddci; |
3f53eb6f RW |
943 | if (rdev->pm.pm_method == PM_METHOD_DYNPM |
944 | && rdev->pm.dynpm_state == DYNPM_STATE_SUSPENDED) { | |
945 | rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE; | |
32c87fca TH |
946 | schedule_delayed_work(&rdev->pm.dynpm_idle_work, |
947 | msecs_to_jiffies(RADEON_IDLE_LOOP_MS)); | |
3f53eb6f | 948 | } |
f8ed8b4c | 949 | mutex_unlock(&rdev->pm.mutex); |
ce8f5370 | 950 | radeon_pm_compute_clocks(rdev); |
d0d6cb81 RM |
951 | } |
952 | ||
da321c8a AD |
953 | static void radeon_pm_resume_dpm(struct radeon_device *rdev) |
954 | { | |
955 | int ret; | |
956 | ||
957 | /* asic init will reset to the boot state */ | |
958 | mutex_lock(&rdev->pm.mutex); | |
959 | rdev->pm.dpm.current_ps = rdev->pm.dpm.requested_ps = rdev->pm.dpm.boot_ps; | |
960 | radeon_dpm_setup_asic(rdev); | |
961 | ret = radeon_dpm_enable(rdev); | |
962 | mutex_unlock(&rdev->pm.mutex); | |
963 | if (ret) { | |
964 | DRM_ERROR("radeon: dpm resume failed\n"); | |
965 | if ((rdev->family >= CHIP_BARTS) && | |
c6cf7777 | 966 | (rdev->family <= CHIP_HAINAN) && |
da321c8a AD |
967 | rdev->mc_fw) { |
968 | if (rdev->pm.default_vddc) | |
969 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, | |
970 | SET_VOLTAGE_TYPE_ASIC_VDDC); | |
971 | if (rdev->pm.default_vddci) | |
972 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddci, | |
973 | SET_VOLTAGE_TYPE_ASIC_VDDCI); | |
974 | if (rdev->pm.default_sclk) | |
975 | radeon_set_engine_clock(rdev, rdev->pm.default_sclk); | |
976 | if (rdev->pm.default_mclk) | |
977 | radeon_set_memory_clock(rdev, rdev->pm.default_mclk); | |
978 | } | |
979 | } else { | |
980 | rdev->pm.dpm_enabled = true; | |
981 | radeon_pm_compute_clocks(rdev); | |
982 | } | |
983 | } | |
984 | ||
985 | void radeon_pm_resume(struct radeon_device *rdev) | |
986 | { | |
987 | if (rdev->pm.pm_method == PM_METHOD_DPM) | |
988 | radeon_pm_resume_dpm(rdev); | |
989 | else | |
990 | radeon_pm_resume_old(rdev); | |
991 | } | |
992 | ||
993 | static int radeon_pm_init_old(struct radeon_device *rdev) | |
7433874e | 994 | { |
26481fb1 | 995 | int ret; |
0d18abed | 996 | |
f8ed8b4c | 997 | rdev->pm.profile = PM_PROFILE_DEFAULT; |
ce8f5370 AD |
998 | rdev->pm.dynpm_state = DYNPM_STATE_DISABLED; |
999 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE; | |
1000 | rdev->pm.dynpm_can_upclock = true; | |
1001 | rdev->pm.dynpm_can_downclock = true; | |
9ace9f7b AD |
1002 | rdev->pm.default_sclk = rdev->clock.default_sclk; |
1003 | rdev->pm.default_mclk = rdev->clock.default_mclk; | |
f8ed8b4c AD |
1004 | rdev->pm.current_sclk = rdev->clock.default_sclk; |
1005 | rdev->pm.current_mclk = rdev->clock.default_mclk; | |
21a8122a | 1006 | rdev->pm.int_thermal_type = THERMAL_TYPE_NONE; |
c913e23a | 1007 | |
56278a8e AD |
1008 | if (rdev->bios) { |
1009 | if (rdev->is_atom_bios) | |
1010 | radeon_atombios_get_power_modes(rdev); | |
1011 | else | |
1012 | radeon_combios_get_power_modes(rdev); | |
f712d0c7 | 1013 | radeon_pm_print_states(rdev); |
ce8f5370 | 1014 | radeon_pm_init_profile(rdev); |
ed18a360 | 1015 | /* set up the default clocks if the MC ucode is loaded */ |
2e3b3b10 | 1016 | if ((rdev->family >= CHIP_BARTS) && |
c6cf7777 | 1017 | (rdev->family <= CHIP_HAINAN) && |
2e3b3b10 | 1018 | rdev->mc_fw) { |
ed18a360 | 1019 | if (rdev->pm.default_vddc) |
8a83ec5e AD |
1020 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, |
1021 | SET_VOLTAGE_TYPE_ASIC_VDDC); | |
4639dd21 AD |
1022 | if (rdev->pm.default_vddci) |
1023 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddci, | |
1024 | SET_VOLTAGE_TYPE_ASIC_VDDCI); | |
ed18a360 AD |
1025 | if (rdev->pm.default_sclk) |
1026 | radeon_set_engine_clock(rdev, rdev->pm.default_sclk); | |
1027 | if (rdev->pm.default_mclk) | |
1028 | radeon_set_memory_clock(rdev, rdev->pm.default_mclk); | |
1029 | } | |
56278a8e AD |
1030 | } |
1031 | ||
21a8122a | 1032 | /* set up the internal thermal sensor if applicable */ |
0d18abed DC |
1033 | ret = radeon_hwmon_init(rdev); |
1034 | if (ret) | |
1035 | return ret; | |
32c87fca TH |
1036 | |
1037 | INIT_DELAYED_WORK(&rdev->pm.dynpm_idle_work, radeon_dynpm_idle_work_handler); | |
1038 | ||
ce8f5370 | 1039 | if (rdev->pm.num_power_states > 1) { |
ce8f5370 | 1040 | /* where's the best place to put these? */ |
26481fb1 DA |
1041 | ret = device_create_file(rdev->dev, &dev_attr_power_profile); |
1042 | if (ret) | |
1043 | DRM_ERROR("failed to create device file for power profile\n"); | |
1044 | ret = device_create_file(rdev->dev, &dev_attr_power_method); | |
1045 | if (ret) | |
1046 | DRM_ERROR("failed to create device file for power method\n"); | |
a424816f | 1047 | |
ce8f5370 AD |
1048 | if (radeon_debugfs_pm_init(rdev)) { |
1049 | DRM_ERROR("Failed to register debugfs file for PM!\n"); | |
1050 | } | |
c913e23a | 1051 | |
ce8f5370 AD |
1052 | DRM_INFO("radeon: power management initialized\n"); |
1053 | } | |
c913e23a | 1054 | |
7433874e RM |
1055 | return 0; |
1056 | } | |
1057 | ||
da321c8a AD |
1058 | static void radeon_dpm_print_power_states(struct radeon_device *rdev) |
1059 | { | |
1060 | int i; | |
1061 | ||
1062 | for (i = 0; i < rdev->pm.dpm.num_ps; i++) { | |
1063 | printk("== power state %d ==\n", i); | |
1064 | radeon_dpm_print_power_state(rdev, &rdev->pm.dpm.ps[i]); | |
1065 | } | |
1066 | } | |
1067 | ||
1068 | static int radeon_pm_init_dpm(struct radeon_device *rdev) | |
1069 | { | |
1070 | int ret; | |
1071 | ||
1072 | /* default to performance state */ | |
edcaa5b1 AD |
1073 | rdev->pm.dpm.state = POWER_STATE_TYPE_BALANCED; |
1074 | rdev->pm.dpm.user_state = POWER_STATE_TYPE_BALANCED; | |
da321c8a AD |
1075 | rdev->pm.default_sclk = rdev->clock.default_sclk; |
1076 | rdev->pm.default_mclk = rdev->clock.default_mclk; | |
1077 | rdev->pm.current_sclk = rdev->clock.default_sclk; | |
1078 | rdev->pm.current_mclk = rdev->clock.default_mclk; | |
1079 | rdev->pm.int_thermal_type = THERMAL_TYPE_NONE; | |
1080 | ||
1081 | if (rdev->bios && rdev->is_atom_bios) | |
1082 | radeon_atombios_get_power_modes(rdev); | |
1083 | else | |
1084 | return -EINVAL; | |
1085 | ||
1086 | /* set up the internal thermal sensor if applicable */ | |
1087 | ret = radeon_hwmon_init(rdev); | |
1088 | if (ret) | |
1089 | return ret; | |
1090 | ||
1091 | INIT_WORK(&rdev->pm.dpm.thermal.work, radeon_dpm_thermal_work_handler); | |
1092 | mutex_lock(&rdev->pm.mutex); | |
1093 | radeon_dpm_init(rdev); | |
1094 | rdev->pm.dpm.current_ps = rdev->pm.dpm.requested_ps = rdev->pm.dpm.boot_ps; | |
1095 | radeon_dpm_print_power_states(rdev); | |
1096 | radeon_dpm_setup_asic(rdev); | |
1097 | ret = radeon_dpm_enable(rdev); | |
1098 | mutex_unlock(&rdev->pm.mutex); | |
1099 | if (ret) { | |
1100 | rdev->pm.dpm_enabled = false; | |
1101 | if ((rdev->family >= CHIP_BARTS) && | |
c6cf7777 | 1102 | (rdev->family <= CHIP_HAINAN) && |
da321c8a AD |
1103 | rdev->mc_fw) { |
1104 | if (rdev->pm.default_vddc) | |
1105 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, | |
1106 | SET_VOLTAGE_TYPE_ASIC_VDDC); | |
1107 | if (rdev->pm.default_vddci) | |
1108 | radeon_atom_set_voltage(rdev, rdev->pm.default_vddci, | |
1109 | SET_VOLTAGE_TYPE_ASIC_VDDCI); | |
1110 | if (rdev->pm.default_sclk) | |
1111 | radeon_set_engine_clock(rdev, rdev->pm.default_sclk); | |
1112 | if (rdev->pm.default_mclk) | |
1113 | radeon_set_memory_clock(rdev, rdev->pm.default_mclk); | |
1114 | } | |
1115 | DRM_ERROR("radeon: dpm initialization failed\n"); | |
1116 | return ret; | |
1117 | } | |
1118 | rdev->pm.dpm_enabled = true; | |
1119 | radeon_pm_compute_clocks(rdev); | |
1120 | ||
1121 | if (rdev->pm.num_power_states > 1) { | |
1122 | ret = device_create_file(rdev->dev, &dev_attr_power_dpm_state); | |
70d01a5e AD |
1123 | if (ret) |
1124 | DRM_ERROR("failed to create device file for dpm state\n"); | |
1125 | ret = device_create_file(rdev->dev, &dev_attr_power_dpm_force_performance_level); | |
da321c8a AD |
1126 | if (ret) |
1127 | DRM_ERROR("failed to create device file for dpm state\n"); | |
1128 | /* XXX: these are noops for dpm but are here for backwards compat */ | |
1129 | ret = device_create_file(rdev->dev, &dev_attr_power_profile); | |
1130 | if (ret) | |
1131 | DRM_ERROR("failed to create device file for power profile\n"); | |
1132 | ret = device_create_file(rdev->dev, &dev_attr_power_method); | |
1133 | if (ret) | |
1134 | DRM_ERROR("failed to create device file for power method\n"); | |
1316b792 AD |
1135 | |
1136 | if (radeon_debugfs_pm_init(rdev)) { | |
1137 | DRM_ERROR("Failed to register debugfs file for dpm!\n"); | |
1138 | } | |
1139 | ||
da321c8a AD |
1140 | DRM_INFO("radeon: dpm initialized\n"); |
1141 | } | |
1142 | ||
1143 | return 0; | |
1144 | } | |
1145 | ||
1146 | int radeon_pm_init(struct radeon_device *rdev) | |
1147 | { | |
1148 | /* enable dpm on rv6xx+ */ | |
1149 | switch (rdev->family) { | |
4a6369e9 AD |
1150 | case CHIP_RV610: |
1151 | case CHIP_RV630: | |
1152 | case CHIP_RV620: | |
1153 | case CHIP_RV635: | |
1154 | case CHIP_RV670: | |
9d67006e AD |
1155 | case CHIP_RS780: |
1156 | case CHIP_RS880: | |
66229b20 AD |
1157 | case CHIP_RV770: |
1158 | case CHIP_RV730: | |
1159 | case CHIP_RV710: | |
1160 | case CHIP_RV740: | |
dc50ba7f AD |
1161 | case CHIP_CEDAR: |
1162 | case CHIP_REDWOOD: | |
1163 | case CHIP_JUNIPER: | |
1164 | case CHIP_CYPRESS: | |
1165 | case CHIP_HEMLOCK: | |
80ea2c12 AD |
1166 | case CHIP_PALM: |
1167 | case CHIP_SUMO: | |
1168 | case CHIP_SUMO2: | |
6596afd4 AD |
1169 | case CHIP_BARTS: |
1170 | case CHIP_TURKS: | |
1171 | case CHIP_CAICOS: | |
69e0b57a | 1172 | case CHIP_CAYMAN: |
d70229f7 | 1173 | case CHIP_ARUBA: |
a9e61410 AD |
1174 | case CHIP_TAHITI: |
1175 | case CHIP_PITCAIRN: | |
1176 | case CHIP_VERDE: | |
1177 | case CHIP_OLAND: | |
1178 | case CHIP_HAINAN: | |
9d67006e AD |
1179 | if (radeon_dpm == 1) |
1180 | rdev->pm.pm_method = PM_METHOD_DPM; | |
1181 | else | |
1182 | rdev->pm.pm_method = PM_METHOD_PROFILE; | |
1183 | break; | |
da321c8a AD |
1184 | default: |
1185 | /* default to profile method */ | |
1186 | rdev->pm.pm_method = PM_METHOD_PROFILE; | |
1187 | break; | |
1188 | } | |
1189 | ||
1190 | if (rdev->pm.pm_method == PM_METHOD_DPM) | |
1191 | return radeon_pm_init_dpm(rdev); | |
1192 | else | |
1193 | return radeon_pm_init_old(rdev); | |
1194 | } | |
1195 | ||
1196 | static void radeon_pm_fini_old(struct radeon_device *rdev) | |
29fb52ca | 1197 | { |
ce8f5370 | 1198 | if (rdev->pm.num_power_states > 1) { |
a424816f | 1199 | mutex_lock(&rdev->pm.mutex); |
ce8f5370 AD |
1200 | if (rdev->pm.pm_method == PM_METHOD_PROFILE) { |
1201 | rdev->pm.profile = PM_PROFILE_DEFAULT; | |
1202 | radeon_pm_update_profile(rdev); | |
1203 | radeon_pm_set_clocks(rdev); | |
1204 | } else if (rdev->pm.pm_method == PM_METHOD_DYNPM) { | |
ce8f5370 AD |
1205 | /* reset default clocks */ |
1206 | rdev->pm.dynpm_state = DYNPM_STATE_DISABLED; | |
1207 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_DEFAULT; | |
1208 | radeon_pm_set_clocks(rdev); | |
1209 | } | |
a424816f | 1210 | mutex_unlock(&rdev->pm.mutex); |
32c87fca TH |
1211 | |
1212 | cancel_delayed_work_sync(&rdev->pm.dynpm_idle_work); | |
58e21dff | 1213 | |
ce8f5370 AD |
1214 | device_remove_file(rdev->dev, &dev_attr_power_profile); |
1215 | device_remove_file(rdev->dev, &dev_attr_power_method); | |
ce8f5370 | 1216 | } |
a424816f | 1217 | |
0975b162 AD |
1218 | if (rdev->pm.power_state) |
1219 | kfree(rdev->pm.power_state); | |
1220 | ||
21a8122a | 1221 | radeon_hwmon_fini(rdev); |
29fb52ca AD |
1222 | } |
1223 | ||
da321c8a AD |
1224 | static void radeon_pm_fini_dpm(struct radeon_device *rdev) |
1225 | { | |
1226 | if (rdev->pm.num_power_states > 1) { | |
1227 | mutex_lock(&rdev->pm.mutex); | |
1228 | radeon_dpm_disable(rdev); | |
1229 | mutex_unlock(&rdev->pm.mutex); | |
1230 | ||
1231 | device_remove_file(rdev->dev, &dev_attr_power_dpm_state); | |
70d01a5e | 1232 | device_remove_file(rdev->dev, &dev_attr_power_dpm_force_performance_level); |
da321c8a AD |
1233 | /* XXX backwards compat */ |
1234 | device_remove_file(rdev->dev, &dev_attr_power_profile); | |
1235 | device_remove_file(rdev->dev, &dev_attr_power_method); | |
1236 | } | |
1237 | radeon_dpm_fini(rdev); | |
1238 | ||
1239 | if (rdev->pm.power_state) | |
1240 | kfree(rdev->pm.power_state); | |
1241 | ||
1242 | radeon_hwmon_fini(rdev); | |
1243 | } | |
1244 | ||
1245 | void radeon_pm_fini(struct radeon_device *rdev) | |
1246 | { | |
1247 | if (rdev->pm.pm_method == PM_METHOD_DPM) | |
1248 | radeon_pm_fini_dpm(rdev); | |
1249 | else | |
1250 | radeon_pm_fini_old(rdev); | |
1251 | } | |
1252 | ||
1253 | static void radeon_pm_compute_clocks_old(struct radeon_device *rdev) | |
c913e23a RM |
1254 | { |
1255 | struct drm_device *ddev = rdev->ddev; | |
a48b9b4e | 1256 | struct drm_crtc *crtc; |
c913e23a | 1257 | struct radeon_crtc *radeon_crtc; |
c913e23a | 1258 | |
ce8f5370 AD |
1259 | if (rdev->pm.num_power_states < 2) |
1260 | return; | |
1261 | ||
c913e23a RM |
1262 | mutex_lock(&rdev->pm.mutex); |
1263 | ||
1264 | rdev->pm.active_crtcs = 0; | |
a48b9b4e AD |
1265 | rdev->pm.active_crtc_count = 0; |
1266 | list_for_each_entry(crtc, | |
1267 | &ddev->mode_config.crtc_list, head) { | |
1268 | radeon_crtc = to_radeon_crtc(crtc); | |
1269 | if (radeon_crtc->enabled) { | |
c913e23a | 1270 | rdev->pm.active_crtcs |= (1 << radeon_crtc->crtc_id); |
a48b9b4e | 1271 | rdev->pm.active_crtc_count++; |
c913e23a RM |
1272 | } |
1273 | } | |
1274 | ||
ce8f5370 AD |
1275 | if (rdev->pm.pm_method == PM_METHOD_PROFILE) { |
1276 | radeon_pm_update_profile(rdev); | |
1277 | radeon_pm_set_clocks(rdev); | |
1278 | } else if (rdev->pm.pm_method == PM_METHOD_DYNPM) { | |
1279 | if (rdev->pm.dynpm_state != DYNPM_STATE_DISABLED) { | |
1280 | if (rdev->pm.active_crtc_count > 1) { | |
1281 | if (rdev->pm.dynpm_state == DYNPM_STATE_ACTIVE) { | |
1282 | cancel_delayed_work(&rdev->pm.dynpm_idle_work); | |
1283 | ||
1284 | rdev->pm.dynpm_state = DYNPM_STATE_PAUSED; | |
1285 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_DEFAULT; | |
1286 | radeon_pm_get_dynpm_state(rdev); | |
1287 | radeon_pm_set_clocks(rdev); | |
1288 | ||
d9fdaafb | 1289 | DRM_DEBUG_DRIVER("radeon: dynamic power management deactivated\n"); |
ce8f5370 AD |
1290 | } |
1291 | } else if (rdev->pm.active_crtc_count == 1) { | |
1292 | /* TODO: Increase clocks if needed for current mode */ | |
1293 | ||
1294 | if (rdev->pm.dynpm_state == DYNPM_STATE_MINIMUM) { | |
1295 | rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE; | |
1296 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_UPCLOCK; | |
1297 | radeon_pm_get_dynpm_state(rdev); | |
1298 | radeon_pm_set_clocks(rdev); | |
1299 | ||
32c87fca TH |
1300 | schedule_delayed_work(&rdev->pm.dynpm_idle_work, |
1301 | msecs_to_jiffies(RADEON_IDLE_LOOP_MS)); | |
ce8f5370 AD |
1302 | } else if (rdev->pm.dynpm_state == DYNPM_STATE_PAUSED) { |
1303 | rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE; | |
32c87fca TH |
1304 | schedule_delayed_work(&rdev->pm.dynpm_idle_work, |
1305 | msecs_to_jiffies(RADEON_IDLE_LOOP_MS)); | |
d9fdaafb | 1306 | DRM_DEBUG_DRIVER("radeon: dynamic power management activated\n"); |
ce8f5370 AD |
1307 | } |
1308 | } else { /* count == 0 */ | |
1309 | if (rdev->pm.dynpm_state != DYNPM_STATE_MINIMUM) { | |
1310 | cancel_delayed_work(&rdev->pm.dynpm_idle_work); | |
1311 | ||
1312 | rdev->pm.dynpm_state = DYNPM_STATE_MINIMUM; | |
1313 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_MINIMUM; | |
1314 | radeon_pm_get_dynpm_state(rdev); | |
1315 | radeon_pm_set_clocks(rdev); | |
1316 | } | |
1317 | } | |
c913e23a | 1318 | } |
c913e23a | 1319 | } |
73a6d3fc RM |
1320 | |
1321 | mutex_unlock(&rdev->pm.mutex); | |
c913e23a RM |
1322 | } |
1323 | ||
da321c8a AD |
1324 | static void radeon_pm_compute_clocks_dpm(struct radeon_device *rdev) |
1325 | { | |
1326 | struct drm_device *ddev = rdev->ddev; | |
1327 | struct drm_crtc *crtc; | |
1328 | struct radeon_crtc *radeon_crtc; | |
1329 | ||
1330 | mutex_lock(&rdev->pm.mutex); | |
1331 | ||
5ca302f7 | 1332 | /* update active crtc counts */ |
da321c8a AD |
1333 | rdev->pm.dpm.new_active_crtcs = 0; |
1334 | rdev->pm.dpm.new_active_crtc_count = 0; | |
1335 | list_for_each_entry(crtc, | |
1336 | &ddev->mode_config.crtc_list, head) { | |
1337 | radeon_crtc = to_radeon_crtc(crtc); | |
1338 | if (crtc->enabled) { | |
1339 | rdev->pm.dpm.new_active_crtcs |= (1 << radeon_crtc->crtc_id); | |
1340 | rdev->pm.dpm.new_active_crtc_count++; | |
1341 | } | |
1342 | } | |
1343 | ||
5ca302f7 AD |
1344 | /* update battery/ac status */ |
1345 | if (power_supply_is_system_supplied() > 0) | |
1346 | rdev->pm.dpm.ac_power = true; | |
1347 | else | |
1348 | rdev->pm.dpm.ac_power = false; | |
1349 | ||
da321c8a AD |
1350 | radeon_dpm_change_power_state_locked(rdev); |
1351 | ||
1352 | mutex_unlock(&rdev->pm.mutex); | |
8a227555 | 1353 | |
da321c8a AD |
1354 | } |
1355 | ||
1356 | void radeon_pm_compute_clocks(struct radeon_device *rdev) | |
1357 | { | |
1358 | if (rdev->pm.pm_method == PM_METHOD_DPM) | |
1359 | radeon_pm_compute_clocks_dpm(rdev); | |
1360 | else | |
1361 | radeon_pm_compute_clocks_old(rdev); | |
1362 | } | |
1363 | ||
ce8f5370 | 1364 | static bool radeon_pm_in_vbl(struct radeon_device *rdev) |
f735261b | 1365 | { |
75fa0b08 | 1366 | int crtc, vpos, hpos, vbl_status; |
f735261b DA |
1367 | bool in_vbl = true; |
1368 | ||
75fa0b08 MK |
1369 | /* Iterate over all active crtc's. All crtc's must be in vblank, |
1370 | * otherwise return in_vbl == false. | |
1371 | */ | |
1372 | for (crtc = 0; (crtc < rdev->num_crtc) && in_vbl; crtc++) { | |
1373 | if (rdev->pm.active_crtcs & (1 << crtc)) { | |
f5a80209 MK |
1374 | vbl_status = radeon_get_crtc_scanoutpos(rdev->ddev, crtc, &vpos, &hpos); |
1375 | if ((vbl_status & DRM_SCANOUTPOS_VALID) && | |
1376 | !(vbl_status & DRM_SCANOUTPOS_INVBL)) | |
f735261b DA |
1377 | in_vbl = false; |
1378 | } | |
1379 | } | |
f81f2024 MG |
1380 | |
1381 | return in_vbl; | |
1382 | } | |
1383 | ||
ce8f5370 | 1384 | static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish) |
f81f2024 MG |
1385 | { |
1386 | u32 stat_crtc = 0; | |
1387 | bool in_vbl = radeon_pm_in_vbl(rdev); | |
1388 | ||
f735261b | 1389 | if (in_vbl == false) |
d9fdaafb | 1390 | DRM_DEBUG_DRIVER("not in vbl for pm change %08x at %s\n", stat_crtc, |
bae6b562 | 1391 | finish ? "exit" : "entry"); |
f735261b DA |
1392 | return in_vbl; |
1393 | } | |
c913e23a | 1394 | |
ce8f5370 | 1395 | static void radeon_dynpm_idle_work_handler(struct work_struct *work) |
c913e23a RM |
1396 | { |
1397 | struct radeon_device *rdev; | |
d9932a32 | 1398 | int resched; |
c913e23a | 1399 | rdev = container_of(work, struct radeon_device, |
ce8f5370 | 1400 | pm.dynpm_idle_work.work); |
c913e23a | 1401 | |
d9932a32 | 1402 | resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev); |
c913e23a | 1403 | mutex_lock(&rdev->pm.mutex); |
ce8f5370 | 1404 | if (rdev->pm.dynpm_state == DYNPM_STATE_ACTIVE) { |
c913e23a | 1405 | int not_processed = 0; |
7465280c AD |
1406 | int i; |
1407 | ||
7465280c | 1408 | for (i = 0; i < RADEON_NUM_RINGS; ++i) { |
0ec0612a AD |
1409 | struct radeon_ring *ring = &rdev->ring[i]; |
1410 | ||
1411 | if (ring->ready) { | |
1412 | not_processed += radeon_fence_count_emitted(rdev, i); | |
1413 | if (not_processed >= 3) | |
1414 | break; | |
1415 | } | |
c913e23a | 1416 | } |
c913e23a RM |
1417 | |
1418 | if (not_processed >= 3) { /* should upclock */ | |
ce8f5370 AD |
1419 | if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_DOWNCLOCK) { |
1420 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE; | |
1421 | } else if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_NONE && | |
1422 | rdev->pm.dynpm_can_upclock) { | |
1423 | rdev->pm.dynpm_planned_action = | |
1424 | DYNPM_ACTION_UPCLOCK; | |
1425 | rdev->pm.dynpm_action_timeout = jiffies + | |
c913e23a RM |
1426 | msecs_to_jiffies(RADEON_RECLOCK_DELAY_MS); |
1427 | } | |
1428 | } else if (not_processed == 0) { /* should downclock */ | |
ce8f5370 AD |
1429 | if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_UPCLOCK) { |
1430 | rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE; | |
1431 | } else if (rdev->pm.dynpm_planned_action == DYNPM_ACTION_NONE && | |
1432 | rdev->pm.dynpm_can_downclock) { | |
1433 | rdev->pm.dynpm_planned_action = | |
1434 | DYNPM_ACTION_DOWNCLOCK; | |
1435 | rdev->pm.dynpm_action_timeout = jiffies + | |
c913e23a RM |
1436 | msecs_to_jiffies(RADEON_RECLOCK_DELAY_MS); |
1437 | } | |
1438 | } | |
1439 | ||
d7311171 AD |
1440 | /* Note, radeon_pm_set_clocks is called with static_switch set |
1441 | * to false since we want to wait for vbl to avoid flicker. | |
1442 | */ | |
ce8f5370 AD |
1443 | if (rdev->pm.dynpm_planned_action != DYNPM_ACTION_NONE && |
1444 | jiffies > rdev->pm.dynpm_action_timeout) { | |
1445 | radeon_pm_get_dynpm_state(rdev); | |
1446 | radeon_pm_set_clocks(rdev); | |
c913e23a | 1447 | } |
3f53eb6f | 1448 | |
32c87fca TH |
1449 | schedule_delayed_work(&rdev->pm.dynpm_idle_work, |
1450 | msecs_to_jiffies(RADEON_IDLE_LOOP_MS)); | |
c913e23a RM |
1451 | } |
1452 | mutex_unlock(&rdev->pm.mutex); | |
d9932a32 | 1453 | ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched); |
c913e23a RM |
1454 | } |
1455 | ||
7433874e RM |
1456 | /* |
1457 | * Debugfs info | |
1458 | */ | |
1459 | #if defined(CONFIG_DEBUG_FS) | |
1460 | ||
1461 | static int radeon_debugfs_pm_info(struct seq_file *m, void *data) | |
1462 | { | |
1463 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
1464 | struct drm_device *dev = node->minor->dev; | |
1465 | struct radeon_device *rdev = dev->dev_private; | |
1466 | ||
1316b792 AD |
1467 | if (rdev->pm.dpm_enabled) { |
1468 | mutex_lock(&rdev->pm.mutex); | |
1469 | if (rdev->asic->dpm.debugfs_print_current_performance_level) | |
1470 | radeon_dpm_debugfs_print_current_performance_level(rdev, m); | |
1471 | else | |
71375929 | 1472 | seq_printf(m, "Debugfs support not implemented for this asic\n"); |
1316b792 AD |
1473 | mutex_unlock(&rdev->pm.mutex); |
1474 | } else { | |
1475 | seq_printf(m, "default engine clock: %u0 kHz\n", rdev->pm.default_sclk); | |
1476 | /* radeon_get_engine_clock is not reliable on APUs so just print the current clock */ | |
1477 | if ((rdev->family >= CHIP_PALM) && (rdev->flags & RADEON_IS_IGP)) | |
1478 | seq_printf(m, "current engine clock: %u0 kHz\n", rdev->pm.current_sclk); | |
1479 | else | |
1480 | seq_printf(m, "current engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev)); | |
1481 | seq_printf(m, "default memory clock: %u0 kHz\n", rdev->pm.default_mclk); | |
1482 | if (rdev->asic->pm.get_memory_clock) | |
1483 | seq_printf(m, "current memory clock: %u0 kHz\n", radeon_get_memory_clock(rdev)); | |
1484 | if (rdev->pm.current_vddc) | |
1485 | seq_printf(m, "voltage: %u mV\n", rdev->pm.current_vddc); | |
1486 | if (rdev->asic->pm.get_pcie_lanes) | |
1487 | seq_printf(m, "PCIE lanes: %d\n", radeon_get_pcie_lanes(rdev)); | |
1488 | } | |
7433874e RM |
1489 | |
1490 | return 0; | |
1491 | } | |
1492 | ||
1493 | static struct drm_info_list radeon_pm_info_list[] = { | |
1494 | {"radeon_pm_info", radeon_debugfs_pm_info, 0, NULL}, | |
1495 | }; | |
1496 | #endif | |
1497 | ||
c913e23a | 1498 | static int radeon_debugfs_pm_init(struct radeon_device *rdev) |
7433874e RM |
1499 | { |
1500 | #if defined(CONFIG_DEBUG_FS) | |
1501 | return radeon_debugfs_add_files(rdev, radeon_pm_info_list, ARRAY_SIZE(radeon_pm_info_list)); | |
1502 | #else | |
1503 | return 0; | |
1504 | #endif | |
1505 | } |