| 1 |
diff -up linux-2.6.28.x86_64/drivers/gpu/drm/radeon/atombios_crtc.c.mjg linux-2.6.28.x86_64/drivers/gpu/drm/radeon/atombios_crtc.c
|
| 2 |
--- linux-2.6.28.x86_64/drivers/gpu/drm/radeon/atombios_crtc.c.mjg 2009-03-03 19:41:48.000000000 +0000
|
| 3 |
+++ linux-2.6.28.x86_64/drivers/gpu/drm/radeon/atombios_crtc.c 2009-03-03 20:53:05.000000000 +0000
|
| 4 |
@@ -441,14 +441,23 @@ static bool atombios_crtc_mode_fixup(str
|
| 5 |
|
| 6 |
static void atombios_crtc_prepare(struct drm_crtc *crtc)
|
| 7 |
{
|
| 8 |
+ struct drm_device *dev = crtc->dev;
|
| 9 |
+ struct drm_radeon_private *dev_priv = dev->dev_private;
|
| 10 |
+
|
| 11 |
+ mutex_lock(&dev_priv->mode_info.power.pll_mutex);
|
| 12 |
+
|
| 13 |
atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
|
| 14 |
atombios_lock_crtc(crtc, 1);
|
| 15 |
}
|
| 16 |
|
| 17 |
static void atombios_crtc_commit(struct drm_crtc *crtc)
|
| 18 |
{
|
| 19 |
+ struct drm_device *dev = crtc->dev;
|
| 20 |
+ struct drm_radeon_private *dev_priv = dev->dev_private;
|
| 21 |
+
|
| 22 |
atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
|
| 23 |
atombios_lock_crtc(crtc, 0);
|
| 24 |
+ mutex_unlock(&dev_priv->mode_info.power.pll_mutex);
|
| 25 |
}
|
| 26 |
|
| 27 |
static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
|
| 28 |
diff -up linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_atombios.c.mjg linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_atombios.c
|
| 29 |
--- linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_atombios.c.mjg 2009-03-03 19:41:48.000000000 +0000
|
| 30 |
+++ linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_atombios.c 2009-03-03 20:53:05.000000000 +0000
|
| 31 |
@@ -620,6 +620,34 @@ void radeon_atom_static_pwrmgt_setup(str
|
| 32 |
atom_execute_table(dev_priv->mode_info.atom_context, index, (uint32_t *)&args);
|
| 33 |
}
|
| 34 |
|
| 35 |
+void radeon_atom_get_mc_arb_info(struct drm_device *dev)
|
| 36 |
+{
|
| 37 |
+ struct drm_radeon_private *dev_priv = dev->dev_private;
|
| 38 |
+ struct radeon_mode_info *mode_info = &dev_priv->mode_info;
|
| 39 |
+ struct atom_context *ctx = mode_info->atom_context;
|
| 40 |
+ int index = GetIndexIntoMasterTable(DATA, MC_InitParameter);
|
| 41 |
+ uint8_t frev, crev;
|
| 42 |
+ uint16_t size, data_offset;
|
| 43 |
+
|
| 44 |
+ atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset);
|
| 45 |
+ dev_priv->mode_info.power.mc_arb_init_values =
|
| 46 |
+ kmalloc(size*sizeof(int), GFP_KERNEL);
|
| 47 |
+ memcpy(dev_priv->mode_info.power.mc_arb_init_values,
|
| 48 |
+ ctx->bios + data_offset, size * sizeof(int));
|
| 49 |
+}
|
| 50 |
+
|
| 51 |
+void radeon_atom_get_engine_clock(struct drm_device *dev, int *engine_clock)
|
| 52 |
+{
|
| 53 |
+ struct drm_radeon_private *dev_priv = dev->dev_private;
|
| 54 |
+ struct radeon_mode_info *mode_info = &dev_priv->mode_info;
|
| 55 |
+ struct atom_context *ctx = mode_info->atom_context;
|
| 56 |
+ GET_ENGINE_CLOCK_PS_ALLOCATION args;
|
| 57 |
+ int index = GetIndexIntoMasterTable(COMMAND, GetEngineClock);
|
| 58 |
+
|
| 59 |
+ atom_execute_table(ctx, index, (uint32_t *)&args);
|
| 60 |
+ *engine_clock = args.ulReturnEngineClock;
|
| 61 |
+}
|
| 62 |
+
|
| 63 |
void radeon_atom_set_engine_clock(struct drm_device *dev, int eng_clock)
|
| 64 |
{
|
| 65 |
struct drm_radeon_private *dev_priv = dev->dev_private;
|
| 66 |
@@ -633,6 +661,18 @@ void radeon_atom_set_engine_clock(struct
|
| 67 |
atom_execute_table(dev_priv->mode_info.atom_context, index, (uint32_t *)&args);
|
| 68 |
}
|
| 69 |
|
| 70 |
+void radeon_atom_get_memory_clock(struct drm_device *dev, int *mem_clock)
|
| 71 |
+{
|
| 72 |
+ struct drm_radeon_private *dev_priv = dev->dev_private;
|
| 73 |
+ struct radeon_mode_info *mode_info = &dev_priv->mode_info;
|
| 74 |
+ struct atom_context *ctx = mode_info->atom_context;
|
| 75 |
+ GET_MEMORY_CLOCK_PS_ALLOCATION args;
|
| 76 |
+ int index = GetIndexIntoMasterTable(COMMAND, GetMemoryClock);
|
| 77 |
+
|
| 78 |
+ atom_execute_table(ctx, index, (uint32_t *)&args);
|
| 79 |
+ *mem_clock = args.ulReturnMemoryClock;
|
| 80 |
+}
|
| 81 |
+
|
| 82 |
void radeon_atom_set_memory_clock(struct drm_device *dev, int mem_clock)
|
| 83 |
{
|
| 84 |
struct drm_radeon_private *dev_priv = dev->dev_private;
|
| 85 |
@@ -646,6 +686,16 @@ void radeon_atom_set_memory_clock(struct
|
| 86 |
atom_execute_table(dev_priv->mode_info.atom_context, index, (uint32_t *)&args);
|
| 87 |
}
|
| 88 |
|
| 89 |
+void radeon_atom_initialize_memory_controller(struct drm_device *dev)
|
| 90 |
+{
|
| 91 |
+ struct drm_radeon_private *dev_priv = dev->dev_private;
|
| 92 |
+ struct atom_context *ctx = dev_priv->mode_info.atom_context;
|
| 93 |
+ int index = GetIndexIntoMasterTable(COMMAND, MemoryDeviceInit);
|
| 94 |
+ MEMORY_PLLINIT_PS_ALLOCATION args;
|
| 95 |
+
|
| 96 |
+ atom_execute_table(ctx, index, (uint32_t *)&args);
|
| 97 |
+}
|
| 98 |
+
|
| 99 |
void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev)
|
| 100 |
{
|
| 101 |
struct drm_radeon_private *dev_priv = dev->dev_private;
|
| 102 |
diff -up linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_cp.c.mjg linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_cp.c
|
| 103 |
--- linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_cp.c.mjg 2009-03-03 19:41:48.000000000 +0000
|
| 104 |
+++ linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_cp.c 2009-03-03 20:53:05.000000000 +0000
|
| 105 |
@@ -3223,6 +3223,8 @@ int radeon_driver_load(struct drm_device
|
| 106 |
if (ret)
|
| 107 |
goto modeset_fail;
|
| 108 |
|
| 109 |
+ mutex_init(&dev_priv->mode_info.power.pll_mutex);
|
| 110 |
+
|
| 111 |
radeon_modeset_init(dev);
|
| 112 |
|
| 113 |
radeon_modeset_cp_init(dev);
|
| 114 |
@@ -3231,7 +3233,7 @@ int radeon_driver_load(struct drm_device
|
| 115 |
drm_irq_install(dev);
|
| 116 |
}
|
| 117 |
|
| 118 |
-
|
| 119 |
+ radeon_pm_init(dev);
|
| 120 |
return ret;
|
| 121 |
modeset_fail:
|
| 122 |
dev->driver->driver_features &= ~DRIVER_MODESET;
|
| 123 |
@@ -3303,6 +3305,8 @@ int radeon_driver_unload(struct drm_devi
|
| 124 |
{
|
| 125 |
drm_radeon_private_t *dev_priv = dev->dev_private;
|
| 126 |
|
| 127 |
+ radeon_pm_exit(dev);
|
| 128 |
+
|
| 129 |
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
|
| 130 |
drm_irq_uninstall(dev);
|
| 131 |
radeon_modeset_cleanup(dev);
|
| 132 |
diff -up linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_cs.c.mjg linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_cs.c
|
| 133 |
--- linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_cs.c.mjg 2009-03-03 19:41:48.000000000 +0000
|
| 134 |
+++ linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_cs.c 2009-03-03 20:53:05.000000000 +0000
|
| 135 |
@@ -41,6 +41,8 @@ int radeon_cs_ioctl(struct drm_device *d
|
| 136 |
long size;
|
| 137 |
int r, i;
|
| 138 |
|
| 139 |
+ radeon_pm_timer_reset(dev);
|
| 140 |
+
|
| 141 |
mutex_lock(&dev_priv->cs.cs_mutex);
|
| 142 |
/* set command stream id to 0 which is fake id */
|
| 143 |
cs_id = 0;
|
| 144 |
diff -up linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_drv.h.mjg linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_drv.h
|
| 145 |
--- linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_drv.h.mjg 2009-03-03 19:41:48.000000000 +0000
|
| 146 |
+++ linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_drv.h 2009-03-03 20:53:05.000000000 +0000
|
| 147 |
@@ -612,6 +612,9 @@ extern int radeon_modeset_cp_resume(stru
|
| 148 |
/* radeon_pm.c */
|
| 149 |
int radeon_suspend(struct drm_device *dev, pm_message_t state);
|
| 150 |
int radeon_resume(struct drm_device *dev);
|
| 151 |
+void radeon_pm_init(struct drm_device *dev);
|
| 152 |
+void radeon_pm_exit(struct drm_device *dev);
|
| 153 |
+void radeon_pm_timer_reset(struct drm_device *dev);
|
| 154 |
|
| 155 |
/* Flags for stats.boxes
|
| 156 |
*/
|
| 157 |
diff -up linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_irq.c.mjg linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_irq.c
|
| 158 |
--- linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_irq.c.mjg 2009-03-03 19:41:48.000000000 +0000
|
| 159 |
+++ linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_irq.c 2009-03-03 20:53:05.000000000 +0000
|
| 160 |
@@ -185,8 +185,10 @@ irqreturn_t radeon_driver_irq_handler(DR
|
| 161 |
struct drm_device *dev = (struct drm_device *) arg;
|
| 162 |
drm_radeon_private_t *dev_priv =
|
| 163 |
(drm_radeon_private_t *) dev->dev_private;
|
| 164 |
+ struct radeon_powermanagement_info *power = &dev_priv->mode_info.power;
|
| 165 |
u32 stat;
|
| 166 |
u32 r500_disp_int;
|
| 167 |
+ unsigned long flags;
|
| 168 |
|
| 169 |
/* Only consider the bits we're interested in - others could be used
|
| 170 |
* outside the DRM
|
| 171 |
@@ -206,15 +208,47 @@ irqreturn_t radeon_driver_irq_handler(DR
|
| 172 |
|
| 173 |
/* VBLANK interrupt */
|
| 174 |
if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690) {
|
| 175 |
- if (r500_disp_int & R500_D1_VBLANK_INTERRUPT)
|
| 176 |
+ if (r500_disp_int & R500_D1_VBLANK_INTERRUPT) {
|
| 177 |
+ spin_lock_irqsave(&power->power_lock, flags);
|
| 178 |
+ if (power->reclock_head & 1) {
|
| 179 |
+ power->reclock_head &= ~1;
|
| 180 |
+ schedule_work(&power->reclock_work);
|
| 181 |
+ drm_vblank_put(dev, 0);
|
| 182 |
+ }
|
| 183 |
+ spin_unlock_irqrestore(&power->power_lock, flags);
|
| 184 |
drm_handle_vblank(dev, 0);
|
| 185 |
- if (r500_disp_int & R500_D2_VBLANK_INTERRUPT)
|
| 186 |
+ }
|
| 187 |
+ if (r500_disp_int & R500_D2_VBLANK_INTERRUPT) {
|
| 188 |
+ spin_lock_irqsave(&power->power_lock, flags);
|
| 189 |
+ if (power->reclock_head & 2) {
|
| 190 |
+ power->reclock_head &= ~2;
|
| 191 |
+ schedule_work(&power->reclock_work);
|
| 192 |
+ drm_vblank_put(dev, 1);
|
| 193 |
+ }
|
| 194 |
+ spin_unlock_irqrestore(&power->power_lock, flags);
|
| 195 |
drm_handle_vblank(dev, 1);
|
| 196 |
+ }
|
| 197 |
} else {
|
| 198 |
- if (stat & RADEON_CRTC_VBLANK_STAT)
|
| 199 |
+ if (stat & RADEON_CRTC_VBLANK_STAT) {
|
| 200 |
+ spin_lock_irqsave(&power->power_lock, flags);
|
| 201 |
+ if (power->reclock_head & 1) {
|
| 202 |
+ power->reclock_head &= ~1;
|
| 203 |
+ schedule_work(&power->reclock_work);
|
| 204 |
+ drm_vblank_put(dev, 0);
|
| 205 |
+ }
|
| 206 |
+ spin_unlock_irqrestore(&power->power_lock, flags);
|
| 207 |
drm_handle_vblank(dev, 0);
|
| 208 |
- if (stat & RADEON_CRTC2_VBLANK_STAT)
|
| 209 |
+ }
|
| 210 |
+ if (stat & RADEON_CRTC2_VBLANK_STAT) {
|
| 211 |
+ spin_lock_irqsave(&power->power_lock, flags);
|
| 212 |
+ if (power->reclock_head & 2) {
|
| 213 |
+ power->reclock_head &= ~2;
|
| 214 |
+ schedule_work(&power->reclock_work);
|
| 215 |
+ drm_vblank_put(dev, 1);
|
| 216 |
+ }
|
| 217 |
+ spin_unlock_irqrestore(&power->power_lock, flags);
|
| 218 |
drm_handle_vblank(dev, 1);
|
| 219 |
+ }
|
| 220 |
}
|
| 221 |
return IRQ_HANDLED;
|
| 222 |
}
|
| 223 |
diff -up linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_mode.h.mjg linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_mode.h
|
| 224 |
--- linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_mode.h.mjg 2009-03-03 19:41:48.000000000 +0000
|
| 225 |
+++ linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_mode.h 2009-03-03 20:53:05.000000000 +0000
|
| 226 |
@@ -173,6 +173,22 @@ struct radeon_i2c_chan {
|
| 227 |
struct radeon_i2c_bus_rec rec;
|
| 228 |
};
|
| 229 |
|
| 230 |
+struct radeon_powermanagement_info {
|
| 231 |
+ struct timer_list idle_power_timer;
|
| 232 |
+ struct work_struct reclock_work;
|
| 233 |
+ struct drm_device *dev;
|
| 234 |
+ uint32_t orig_memory_clock;
|
| 235 |
+ uint32_t orig_engine_clock;
|
| 236 |
+ uint32_t *mc_arb_init_values;
|
| 237 |
+ uint8_t orig_fbdiv;
|
| 238 |
+ int new_mem_clock;
|
| 239 |
+ int new_engine_clock;
|
| 240 |
+ int current_clock_state;
|
| 241 |
+ int reclock_head;
|
| 242 |
+ struct mutex pll_mutex;
|
| 243 |
+ spinlock_t power_lock;
|
| 244 |
+};
|
| 245 |
+
|
| 246 |
struct radeon_mode_info {
|
| 247 |
struct atom_context *atom_context;
|
| 248 |
struct radeon_bios_connector bios_connector[RADEON_MAX_BIOS_CONNECTOR];
|
| 249 |
@@ -182,6 +198,9 @@ struct radeon_mode_info {
|
| 250 |
struct radeon_pll mpll;
|
| 251 |
uint32_t mclk;
|
| 252 |
uint32_t sclk;
|
| 253 |
+
|
| 254 |
+ /* power management */
|
| 255 |
+ struct radeon_powermanagement_info power;
|
| 256 |
};
|
| 257 |
|
| 258 |
struct radeon_crtc {
|
| 259 |
@@ -307,6 +326,12 @@ extern int radeon_crtc_cursor_move(struc
|
| 260 |
|
| 261 |
extern bool radeon_atom_get_clock_info(struct drm_device *dev);
|
| 262 |
extern bool radeon_combios_get_clock_info(struct drm_device *dev);
|
| 263 |
+extern void radeon_atom_get_engine_clock(struct drm_device *dev, int *engine_clock);
|
| 264 |
+extern void radeon_atom_get_memory_clock(struct drm_device *dev, int *memory_clock);
|
| 265 |
+extern void radeon_atom_set_engine_clock(struct drm_device *dev, int engine_clock);
|
| 266 |
+extern void radeon_atom_set_memory_clock(struct drm_device *dev, int memory_clock);
|
| 267 |
+extern void radeon_atom_initialize_memory_controller(struct drm_device *dev);
|
| 268 |
+extern void radeon_atom_get_mc_arb_info(struct drm_device *dev);
|
| 269 |
extern void radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
|
| 270 |
extern void radeon_atombios_get_tmds_info(struct radeon_encoder *encoder);
|
| 271 |
extern bool radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
|
| 272 |
diff -up linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_pm.c.mjg linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_pm.c
|
| 273 |
--- linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_pm.c.mjg 2009-03-03 19:41:48.000000000 +0000
|
| 274 |
+++ linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_pm.c 2009-03-03 20:53:05.000000000 +0000
|
| 275 |
@@ -31,6 +31,8 @@
|
| 276 |
|
| 277 |
#include "drm_crtc_helper.h"
|
| 278 |
|
| 279 |
+#define RADEON_DOWNCLOCK_IDLE_MS 30
|
| 280 |
+
|
| 281 |
int radeon_suspend(struct drm_device *dev, pm_message_t state)
|
| 282 |
{
|
| 283 |
struct drm_radeon_private *dev_priv = dev->dev_private;
|
| 284 |
@@ -255,3 +257,214 @@ bool radeon_set_pcie_lanes(struct drm_de
|
| 285 |
return false;
|
| 286 |
}
|
| 287 |
|
| 288 |
+static void radeon_pm_set_engine_clock(struct drm_device *dev, int freq)
|
| 289 |
+{
|
| 290 |
+ drm_radeon_private_t *dev_priv = dev->dev_private;
|
| 291 |
+
|
| 292 |
+ if (dev_priv->is_atom_bios)
|
| 293 |
+ radeon_atom_set_engine_clock(dev, freq);
|
| 294 |
+}
|
| 295 |
+
|
| 296 |
+static void radeon_pm_set_memory_clock(struct drm_device *dev, int freq)
|
| 297 |
+{
|
| 298 |
+ drm_radeon_private_t *dev_priv = dev->dev_private;
|
| 299 |
+ struct radeon_powermanagement_info *power = &dev_priv->mode_info.power;
|
| 300 |
+
|
| 301 |
+ mutex_lock(&power->pll_mutex);
|
| 302 |
+ radeon_do_cp_idle(dev_priv);
|
| 303 |
+ if (dev_priv->is_atom_bios) {
|
| 304 |
+ int mpll, spll, hclk, sclk, fbdiv, index, factor;
|
| 305 |
+ switch (dev_priv->chip_family) {
|
| 306 |
+ case CHIP_R520:
|
| 307 |
+ case CHIP_RV530:
|
| 308 |
+ case CHIP_RV560:
|
| 309 |
+ case CHIP_RV570:
|
| 310 |
+ case CHIP_R580:
|
| 311 |
+ mpll = RADEON_READ_PLL(dev_priv, MPLL_FUNC_CNTL);
|
| 312 |
+ fbdiv = (mpll & 0x1fe0) >> 5;
|
| 313 |
+
|
| 314 |
+ /* Set new fbdiv */
|
| 315 |
+ factor = power->orig_memory_clock / freq;
|
| 316 |
+ fbdiv = power->orig_fbdiv / factor;
|
| 317 |
+
|
| 318 |
+ mpll &= ~0x1fe0;
|
| 319 |
+ mpll |= ((fbdiv << 5) | (1 << 24));
|
| 320 |
+ mpll &= ~(1 << 25);
|
| 321 |
+
|
| 322 |
+ spll = RADEON_READ_PLL(dev_priv, SPLL_FUNC_CNTL);
|
| 323 |
+
|
| 324 |
+ hclk = fbdiv << 5;
|
| 325 |
+ hclk += 0x20;
|
| 326 |
+ hclk *= 8;
|
| 327 |
+
|
| 328 |
+ sclk = spll & 0x1fe0;
|
| 329 |
+ sclk += 0x20;
|
| 330 |
+ sclk *= 6;
|
| 331 |
+ sclk = sclk >> 5;
|
| 332 |
+
|
| 333 |
+ index = (hclk/sclk);
|
| 334 |
+
|
| 335 |
+ R500_WRITE_MCIND(R530_MC_ARB_RATIO_CLK_SEQ,
|
| 336 |
+ power->mc_arb_init_values[index]);
|
| 337 |
+ RADEON_WRITE_PLL(dev_priv, MPLL_FUNC_CNTL, mpll);
|
| 338 |
+ radeon_atom_initialize_memory_controller(dev);
|
| 339 |
+ break;
|
| 340 |
+ }
|
| 341 |
+ }
|
| 342 |
+
|
| 343 |
+ mutex_unlock(&power->pll_mutex);
|
| 344 |
+}
|
| 345 |
+
|
| 346 |
+static int radeon_pm_get_active_crtcs(struct drm_device *dev, int *crtcs)
|
| 347 |
+{
|
| 348 |
+ struct drm_crtc *crtc;
|
| 349 |
+ int count = 0;
|
| 350 |
+ struct radeon_crtc *radeon_crtc;
|
| 351 |
+
|
| 352 |
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
|
| 353 |
+ radeon_crtc = to_radeon_crtc(crtc);
|
| 354 |
+ if (crtc->enabled) {
|
| 355 |
+ count++;
|
| 356 |
+ *crtcs |= (1 << radeon_crtc->crtc_id);
|
| 357 |
+ }
|
| 358 |
+ }
|
| 359 |
+ return count;
|
| 360 |
+}
|
| 361 |
+
|
| 362 |
+
|
| 363 |
+static void radeon_pm_perform_transition(struct drm_device *dev)
|
| 364 |
+{
|
| 365 |
+ drm_radeon_private_t *dev_priv = dev->dev_private;
|
| 366 |
+ struct radeon_powermanagement_info *power = &dev_priv->mode_info.power;
|
| 367 |
+ int crtcs = 0, count;
|
| 368 |
+ unsigned long flags;
|
| 369 |
+
|
| 370 |
+ count = radeon_pm_get_active_crtcs(dev, &crtcs);
|
| 371 |
+
|
| 372 |
+ spin_lock_irqsave(&power->power_lock, flags);
|
| 373 |
+ switch (count) {
|
| 374 |
+ case 0:
|
| 375 |
+ schedule_work(&power->reclock_work);
|
| 376 |
+ break;
|
| 377 |
+ case 1:
|
| 378 |
+ if (power->reclock_head)
|
| 379 |
+ break;
|
| 380 |
+ if (crtcs & 1) {
|
| 381 |
+ power->reclock_head |= 1;
|
| 382 |
+ drm_vblank_get(dev, 0);
|
| 383 |
+ } else {
|
| 384 |
+ power->reclock_head |= 2;
|
| 385 |
+ drm_vblank_get(dev, 1);
|
| 386 |
+ }
|
| 387 |
+ break;
|
| 388 |
+ default:
|
| 389 |
+ /* Too many active heads */
|
| 390 |
+ break;
|
| 391 |
+ }
|
| 392 |
+ spin_unlock_irqrestore(&power->power_lock, flags);
|
| 393 |
+}
|
| 394 |
+
|
| 395 |
+
|
| 396 |
+static int radeon_pm_set_runtime_power(struct drm_device *dev, int value)
|
| 397 |
+{
|
| 398 |
+ drm_radeon_private_t *dev_priv = dev->dev_private;
|
| 399 |
+ struct radeon_powermanagement_info *power = &dev_priv->mode_info.power;
|
| 400 |
+
|
| 401 |
+ if (power->current_clock_state == value)
|
| 402 |
+ return 1;
|
| 403 |
+
|
| 404 |
+ switch (value) {
|
| 405 |
+ case 0:
|
| 406 |
+ power->new_engine_clock = 100*100;
|
| 407 |
+ power->new_mem_clock = 100*100;
|
| 408 |
+ break;
|
| 409 |
+ case 1:
|
| 410 |
+ power->new_engine_clock = power->orig_engine_clock;
|
| 411 |
+ power->new_mem_clock = power->orig_memory_clock;
|
| 412 |
+ break;
|
| 413 |
+ }
|
| 414 |
+
|
| 415 |
+ power->current_clock_state = value;
|
| 416 |
+ radeon_pm_perform_transition(dev);
|
| 417 |
+
|
| 418 |
+ return 0;
|
| 419 |
+}
|
| 420 |
+
|
| 421 |
+static void radeon_pm_idle_timeout(unsigned long d)
|
| 422 |
+{
|
| 423 |
+ struct drm_device *dev = (struct drm_device *)d;
|
| 424 |
+ drm_radeon_private_t *dev_priv = dev->dev_private;
|
| 425 |
+
|
| 426 |
+ radeon_pm_set_runtime_power(dev, 0);
|
| 427 |
+}
|
| 428 |
+
|
| 429 |
+static void radeon_pm_reclock_callback(struct work_struct *work)
|
| 430 |
+{
|
| 431 |
+ struct radeon_powermanagement_info *power =
|
| 432 |
+ container_of(work, struct radeon_powermanagement_info,
|
| 433 |
+ reclock_work);
|
| 434 |
+ struct drm_device *dev = power->dev;
|
| 435 |
+ drm_radeon_private_t *dev_priv = dev->dev_private;
|
| 436 |
+
|
| 437 |
+ mutex_lock(&dev_priv->cs.cs_mutex);
|
| 438 |
+ radeon_pm_set_memory_clock(dev, power->new_mem_clock);
|
| 439 |
+ radeon_pm_set_engine_clock(dev, power->new_engine_clock);
|
| 440 |
+ mutex_unlock(&dev_priv->cs.cs_mutex);
|
| 441 |
+}
|
| 442 |
+
|
| 443 |
+void radeon_pm_timer_reset(struct drm_device *dev)
|
| 444 |
+{
|
| 445 |
+ drm_radeon_private_t *dev_priv = dev->dev_private;
|
| 446 |
+ struct radeon_powermanagement_info *power = &dev_priv->mode_info.power;
|
| 447 |
+
|
| 448 |
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
|
| 449 |
+ return;
|
| 450 |
+
|
| 451 |
+ radeon_pm_set_runtime_power(dev, 1);
|
| 452 |
+
|
| 453 |
+ mod_timer(&power->idle_power_timer,
|
| 454 |
+ jiffies + msecs_to_jiffies(RADEON_DOWNCLOCK_IDLE_MS));
|
| 455 |
+}
|
| 456 |
+
|
| 457 |
+void radeon_pm_init(struct drm_device *dev)
|
| 458 |
+{
|
| 459 |
+ drm_radeon_private_t *dev_priv = dev->dev_private;
|
| 460 |
+ struct radeon_powermanagement_info *power = &dev_priv->mode_info.power;
|
| 461 |
+
|
| 462 |
+ power->dev = dev;
|
| 463 |
+
|
| 464 |
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
|
| 465 |
+ return;
|
| 466 |
+
|
| 467 |
+ if (dev_priv->is_atom_bios) {
|
| 468 |
+ int mpll;
|
| 469 |
+ radeon_atom_get_mc_arb_info(dev);
|
| 470 |
+ radeon_atom_get_engine_clock(dev, &power->orig_engine_clock);
|
| 471 |
+ radeon_atom_get_memory_clock(dev, &power->orig_memory_clock);
|
| 472 |
+
|
| 473 |
+ mpll = RADEON_READ_PLL(dev_priv, MPLL_FUNC_CNTL);
|
| 474 |
+ dev_priv->mode_info.power.orig_fbdiv = (mpll & 0x1fe0) >> 5;
|
| 475 |
+ }
|
| 476 |
+
|
| 477 |
+ setup_timer(&power->idle_power_timer, radeon_pm_idle_timeout,
|
| 478 |
+ (unsigned long)dev);
|
| 479 |
+ INIT_WORK(&power->reclock_work, radeon_pm_reclock_callback);
|
| 480 |
+
|
| 481 |
+ spin_lock_init(&power->power_lock);
|
| 482 |
+
|
| 483 |
+ power->current_clock_state = 1;
|
| 484 |
+ power->reclock_head = 0;
|
| 485 |
+
|
| 486 |
+ radeon_pm_timer_reset(dev);
|
| 487 |
+}
|
| 488 |
+
|
| 489 |
+void radeon_pm_exit(struct drm_device *dev)
|
| 490 |
+{
|
| 491 |
+ drm_radeon_private_t *dev_priv = dev->dev_private;
|
| 492 |
+ struct radeon_powermanagement_info *power = &dev_priv->mode_info.power;
|
| 493 |
+
|
| 494 |
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
|
| 495 |
+ return;
|
| 496 |
+
|
| 497 |
+ del_timer_sync(&power->idle_power_timer);
|
| 498 |
+}
|
| 499 |
diff -up linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_reg.h.mjg linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_reg.h
|
| 500 |
--- linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_reg.h.mjg 2009-03-03 19:41:48.000000000 +0000
|
| 501 |
+++ linux-2.6.28.x86_64/drivers/gpu/drm/radeon/radeon_reg.h 2009-03-03 20:53:05.000000000 +0000
|
| 502 |
@@ -303,6 +303,28 @@
|
| 503 |
# define RADEON_PLL_WR_EN (1 << 7)
|
| 504 |
# define RADEON_PLL_DIV_SEL (3 << 8)
|
| 505 |
# define RADEON_PLL2_DIV_SEL_MASK ~(3 << 8)
|
| 506 |
+#define SPLL_FUNC_CNTL 0x0000
|
| 507 |
+#define MPLL_FUNC_CNTL 0x0004
|
| 508 |
+#define GENERAL_PWRMGT 0x0008
|
| 509 |
+# define RADEON_GLOBAL_PWRMGT_EN (1 << 0)
|
| 510 |
+#define SCLK_PWRMGT_CNTL 0x0009
|
| 511 |
+# define RADEON_SCLK_PWRMGT_OFF (1 << 0)
|
| 512 |
+#define MCLK_PWRMGT_CNTL 0x000a
|
| 513 |
+# define RADEON_MCLK_PWRMGT_OFF (1 << 0)
|
| 514 |
+#define DYN_PWRMGT_SCLK_CNTL 0x000b
|
| 515 |
+# define RADEON_ENGINE_DYNCLK_MODE (1 << 0)
|
| 516 |
+# define RADEON_STATIC_SCREEN_EN (1 << 20)
|
| 517 |
+# define RADEON_CLIENT_SELECT_POWER_EN (1 << 21)
|
| 518 |
+#define DYN_SCLK_PWMEN_PIPE 0x000d
|
| 519 |
+# define RADEON_PIPE_3D_NOT_AUTO (1 << 8)
|
| 520 |
+#define DYN_SCLK_VOL_CNTL 0x000e
|
| 521 |
+# define RADEON_IO_CG_VOLTAGE_DROP (1 << 0)
|
| 522 |
+# define RADEON_VOLTAGE_DROP_SYNC (1 << 2)
|
| 523 |
+#define CP_DYN_CNTL 0x000f
|
| 524 |
+# define RADEON_CP_FORCEON (1 << 0)
|
| 525 |
+# define RADEON_CP_LOWER_POWER_IGNORE (1 << 20)
|
| 526 |
+# define RADEON_CP_NORMAL_POWER_IGNORE (1 << 21)
|
| 527 |
+# define RADEON_CP_NORMAL_POWER_BUSY (1 << 24)
|
| 528 |
#define RADEON_CLK_PWRMGT_CNTL 0x0014
|
| 529 |
# define RADEON_ENGIN_DYNCLK_MODE (1 << 12)
|
| 530 |
# define RADEON_ACTIVE_HILO_LAT_MASK (3 << 13)
|
| 531 |
@@ -3961,7 +3983,48 @@
|
| 532 |
# define AVIVO_I2C_RESET (1 << 8)
|
| 533 |
|
| 534 |
#define R600_GENERAL_PWRMGT 0x618
|
| 535 |
+# define R600_GLOBAL_PWRMGT_EN (1 << 0)
|
| 536 |
+# define R600_STATIC_PM_EN (1 << 1)
|
| 537 |
+# define R600_MOBILE_SU (1 << 2)
|
| 538 |
+# define R600_THERMAL_PROTECTION_DIS (1 << 3)
|
| 539 |
+# define R600_THERMAL_PROTECTION_TYPE (1 << 4)
|
| 540 |
+# define R600_ENABLE_GEN2PCIE (1 << 5)
|
| 541 |
+# define R600_SW_GPIO_INDEX (1 << 6)
|
| 542 |
+# define R600_LOW_VOLT_D2_ACPI (1 << 8)
|
| 543 |
+# define R600_LOW_VOLT_D3_ACPI (1 << 9)
|
| 544 |
+# define R600_VOLT_PWRMGT_EN (1 << 10)
|
| 545 |
# define R600_OPEN_DRAIN_PADS (1 << 11)
|
| 546 |
+# define R600_AVP_SCLK_EN (1 << 12)
|
| 547 |
+# define R600_IDCT_SCLK_EN (1 << 13)
|
| 548 |
+# define R600_GPU_COUNTER_ACPI (1 << 14)
|
| 549 |
+# define R600_COUNTER_CLK (1 << 15)
|
| 550 |
+# define R600_BACKBIAS_PAD_EN (1 << 16)
|
| 551 |
+# define R600_BACKBIAS_VALUE (1 << 17)
|
| 552 |
+# define R600_BACKBIAS_DPM_CNTL (1 << 18)
|
| 553 |
+# define R600_SPREAD_SPECTRUM_INDEX (1 << 19)
|
| 554 |
+# define R600_DYN_SPREAD_SPECTRUM_EN (1 << 21)
|
| 555 |
+
|
| 556 |
+#define R600_SCLK_PWRMGT_CNTL 0x620
|
| 557 |
+# define R600_SCLK_PWRMGT_OFF (1 << 0)
|
| 558 |
+# define R600_SCLK_TURNOFF (1 << 1)
|
| 559 |
+# define R600_SPLL_TURNOFF (1 << 2)
|
| 560 |
+# define R600_SU_SCLK_USE_BCLK (1 << 3)
|
| 561 |
+# define R600_DYNAMIC_GFX_ISLAND_PWR_DOWN (1 << 4)
|
| 562 |
+# define R600_DYNAMIC_GFX_ISLAND_LP (1 << 5)
|
| 563 |
+# define R600_CLK_TURN_ON_STAGGER (1 << 6)
|
| 564 |
+# define R600_CLK_TURN_OFF_STAGGER (1 << 7)
|
| 565 |
+# define R600_FIR_FORCE_TREND_SEL (1 << 8)
|
| 566 |
+# define R600_FIR_TREND_MODE (1 << 9)
|
| 567 |
+# define R600_DYN_GFX_CLK_OFF_EN (1 << 10)
|
| 568 |
+# define R600_VDDC3D_TURNOFF_D1 (1 << 11)
|
| 569 |
+# define R600_VDDC3D_TURNOFF_D2 (1 << 12)
|
| 570 |
+# define R600_VDDC3D_TURNOFF_D3 (1 << 13)
|
| 571 |
+# define R600_SPLL_TURNOFF_D2 (1 << 14)
|
| 572 |
+# define R600_SCLK_LOW_D1 (1 << 15)
|
| 573 |
+# define R600_DYN_GFX_CLK_OFF_MC_EN (1 << 16)
|
| 574 |
+
|
| 575 |
+#define R600_MCLK_PWRMGT_CNTL 0x624
|
| 576 |
+# define R600_MPLL_PWRMGT_OFF (1 << 0)
|
| 577 |
|
| 578 |
#define R600_LOWER_GPIO_ENABLE 0x710
|
| 579 |
#define R600_CTXSW_VID_LOWER_GPIO_CNTL 0x718
|
| 580 |
@@ -5331,5 +5394,6 @@
|
| 581 |
# define R500_RS_IP_OFFSET_EN (1 << 31)
|
| 582 |
|
| 583 |
#define R500_DYN_SCLK_PWMEM_PIPE 0x000d /* PLL */
|
| 584 |
+#define R530_MC_ARB_RATIO_CLK_SEQ 0x0016 /* MC */
|
| 585 |
|
| 586 |
#endif
|