UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/radeon/kms/pm: add asic specific callbacks for getting power state (v2) 

This also simplifies the code and enables reclocking with multiple heads
active by tracking whether the power states are single or multi-head
capable.

Eventually, we will want to select a power state based on external
factors (AC/DC state, user selection, etc.).

(v2) Update for evergreen

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-04-22 14:03:55 -04:00 committed by Dave Airlie
parent bae6b56273
commit a48b9b4edb
10 changed files with 411 additions and 244 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/radeon/atombios_crtc.c
View File

@ -251,6 +251,7 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
atombios_blank_crtc(crtc, ATOM_DISABLE);
drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
radeon_crtc_load_lut(crtc);
radeon_crtc->enabled = true;
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
@ -260,6 +261,7 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
if (ASIC_IS_DCE3(rdev))
atombios_enable_crtc_memreq(crtc, ATOM_DISABLE);
atombios_enable_crtc(crtc, ATOM_DISABLE);
radeon_crtc->enabled = false;
break;
}

140
drivers/gpu/drm/radeon/r100.c
View File

@ -67,41 +67,133 @@ MODULE_FIRMWARE(FIRMWARE_R520);
* r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
*/
void r100_get_power_state(struct radeon_device *rdev,
enum radeon_pm_action action)
{
int i;
rdev->pm.can_upclock = true;
rdev->pm.can_downclock = true;
switch (action) {
case PM_ACTION_MINIMUM:
rdev->pm.requested_power_state_index = 0;
rdev->pm.can_downclock = false;
break;
case PM_ACTION_DOWNCLOCK:
if (rdev->pm.current_power_state_index == 0) {
rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
rdev->pm.can_downclock = false;
} else {
if (rdev->pm.active_crtc_count > 1) {
for (i = 0; i < rdev->pm.num_power_states; i++) {
if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
continue;
else if (i >= rdev->pm.current_power_state_index) {
rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
break;
} else {
rdev->pm.requested_power_state_index = i;
break;
}
}
} else
rdev->pm.requested_power_state_index =
rdev->pm.current_power_state_index - 1;
}
break;
case PM_ACTION_UPCLOCK:
if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
rdev->pm.can_upclock = false;
} else {
if (rdev->pm.active_crtc_count > 1) {
for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
continue;
else if (i <= rdev->pm.current_power_state_index) {
rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
break;
} else {
rdev->pm.requested_power_state_index = i;
break;
}
}
} else
rdev->pm.requested_power_state_index =
rdev->pm.current_power_state_index + 1;
}
break;
case PM_ACTION_NONE:
default:
DRM_ERROR("Requested mode for not defined action\n");
return;
}
/* only one clock mode per power state */
rdev->pm.requested_clock_mode_index = 0;
DRM_INFO("Requested: e: %d m: %d p: %d\n",
rdev->pm.power_state[rdev->pm.requested_power_state_index].
clock_info[rdev->pm.requested_clock_mode_index].sclk,
rdev->pm.power_state[rdev->pm.requested_power_state_index].
clock_info[rdev->pm.requested_clock_mode_index].mclk,
rdev->pm.power_state[rdev->pm.requested_power_state_index].
non_clock_info.pcie_lanes);
}
void r100_set_power_state(struct radeon_device *rdev)
{
/* if *_clock_mode are the same, *_power_state are as well */
if (rdev->pm.requested_clock_mode == rdev->pm.current_clock_mode)
u32 sclk, mclk;
if (rdev->pm.current_power_state_index == rdev->pm.requested_power_state_index)
return;
DRM_INFO("Setting: e: %d m: %d p: %d\n",
rdev->pm.requested_clock_mode->sclk,
rdev->pm.requested_clock_mode->mclk,
rdev->pm.requested_power_state->non_clock_info.pcie_lanes);
if (radeon_gui_idle(rdev)) {
/* set pcie lanes */
/* TODO */
sclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
clock_info[rdev->pm.requested_clock_mode_index].sclk;
if (sclk > rdev->clock.default_sclk)
sclk = rdev->clock.default_sclk;
/* set voltage */
/* TODO */
mclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
clock_info[rdev->pm.requested_clock_mode_index].mclk;
if (mclk > rdev->clock.default_mclk)
mclk = rdev->clock.default_mclk;
/* don't change the mclk with multiple crtcs */
if (rdev->pm.active_crtc_count > 1)
mclk = rdev->clock.default_mclk;
/* set engine clock */
radeon_sync_with_vblank(rdev);
radeon_pm_debug_check_in_vbl(rdev, false);
radeon_set_engine_clock(rdev, rdev->pm.requested_clock_mode->sclk);
radeon_pm_debug_check_in_vbl(rdev, true);
/* set pcie lanes */
/* TODO */
/* set voltage */
/* TODO */
/* set engine clock */
if (sclk != rdev->pm.current_sclk) {
radeon_sync_with_vblank(rdev);
radeon_pm_debug_check_in_vbl(rdev, false);
radeon_set_engine_clock(rdev, sclk);
radeon_pm_debug_check_in_vbl(rdev, true);
rdev->pm.current_sclk = sclk;
DRM_INFO("Setting: e: %d\n", sclk);
}
#if 0
/* set memory clock */
if (rdev->asic->set_memory_clock) {
radeon_sync_with_vblank(rdev);
radeon_pm_debug_check_in_vbl(rdev, false);
radeon_set_memory_clock(rdev, rdev->pm.requested_clock_mode->mclk);
radeon_pm_debug_check_in_vbl(rdev, true);
}
/* set memory clock */
if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
radeon_sync_with_vblank(rdev);
radeon_pm_debug_check_in_vbl(rdev, false);
radeon_set_memory_clock(rdev, mclk);
radeon_pm_debug_check_in_vbl(rdev, true);
rdev->pm.current_mclk = mclk;
DRM_INFO("Setting: m: %d\n", mclk);
}
#endif
rdev->pm.current_power_state = rdev->pm.requested_power_state;
rdev->pm.current_clock_mode = rdev->pm.requested_clock_mode;
rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;
rdev->pm.current_clock_mode_index = rdev->pm.requested_clock_mode_index;
} else
DRM_INFO("GUI not idle!!!\n");
}
bool r100_gui_idle(struct radeon_device *rdev)

213
drivers/gpu/drm/radeon/r600.c
View File

@ -92,41 +92,206 @@ void r600_gpu_init(struct radeon_device *rdev);
void r600_fini(struct radeon_device *rdev);
void r600_irq_disable(struct radeon_device *rdev);
void r600_get_power_state(struct radeon_device *rdev,
enum radeon_pm_action action)
{
int i;
rdev->pm.can_upclock = true;
rdev->pm.can_downclock = true;
/* power state array is low to high, default is first */
if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) {
int min_power_state_index = 0;
if (rdev->pm.num_power_states > 2)
min_power_state_index = 1;
switch (action) {
case PM_ACTION_MINIMUM:
rdev->pm.requested_power_state_index = min_power_state_index;
rdev->pm.requested_clock_mode_index = 0;
rdev->pm.can_downclock = false;
break;
case PM_ACTION_DOWNCLOCK:
if (rdev->pm.current_power_state_index == min_power_state_index) {
rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
rdev->pm.can_downclock = false;
} else {
if (rdev->pm.active_crtc_count > 1) {
for (i = 0; i < rdev->pm.num_power_states; i++) {
if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
continue;
else if (i >= rdev->pm.current_power_state_index) {
rdev->pm.requested_power_state_index =
rdev->pm.current_power_state_index;
break;
} else {
rdev->pm.requested_power_state_index = i;
break;
}
}
} else
rdev->pm.requested_power_state_index =
rdev->pm.current_power_state_index - 1;
}
rdev->pm.requested_clock_mode_index = 0;
break;
case PM_ACTION_UPCLOCK:
if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
rdev->pm.can_upclock = false;
} else {
if (rdev->pm.active_crtc_count > 1) {
for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
continue;
else if (i <= rdev->pm.current_power_state_index) {
rdev->pm.requested_power_state_index =
rdev->pm.current_power_state_index;
break;
} else {
rdev->pm.requested_power_state_index = i;
break;
}
}
} else
rdev->pm.requested_power_state_index =
rdev->pm.current_power_state_index + 1;
}
rdev->pm.requested_clock_mode_index = 0;
break;
case PM_ACTION_NONE:
default:
DRM_ERROR("Requested mode for not defined action\n");
return;
}
} else {
/* XXX select a power state based on AC/DC, single/dualhead, etc. */
/* for now just select the first power state and switch between clock modes */
/* power state array is low to high, default is first (0) */
if (rdev->pm.active_crtc_count > 1) {
rdev->pm.requested_power_state_index = -1;
/* start at 1 as we don't want the default mode */
for (i = 1; i < rdev->pm.num_power_states; i++) {
if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
continue;
else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
(rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
rdev->pm.requested_power_state_index = i;
break;
}
}
/* if nothing selected, grab the default state. */
if (rdev->pm.requested_power_state_index == -1)
rdev->pm.requested_power_state_index = 0;
} else
rdev->pm.requested_power_state_index = 1;
switch (action) {
case PM_ACTION_MINIMUM:
rdev->pm.requested_clock_mode_index = 0;
rdev->pm.can_downclock = false;
break;
case PM_ACTION_DOWNCLOCK:
if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
if (rdev->pm.current_clock_mode_index == 0) {
rdev->pm.requested_clock_mode_index = 0;
rdev->pm.can_downclock = false;
} else
rdev->pm.requested_clock_mode_index =
rdev->pm.current_clock_mode_index - 1;
} else {
rdev->pm.requested_clock_mode_index = 0;
rdev->pm.can_downclock = false;
}
break;
case PM_ACTION_UPCLOCK:
if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
if (rdev->pm.current_clock_mode_index ==
(rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) {
rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index;
rdev->pm.can_upclock = false;
} else
rdev->pm.requested_clock_mode_index =
rdev->pm.current_clock_mode_index + 1;
} else {
rdev->pm.requested_clock_mode_index =
rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1;
rdev->pm.can_upclock = false;
}
break;
case PM_ACTION_NONE:
default:
DRM_ERROR("Requested mode for not defined action\n");
return;
}
}
DRM_INFO("Requested: e: %d m: %d p: %d\n",
rdev->pm.power_state[rdev->pm.requested_power_state_index].
clock_info[rdev->pm.requested_clock_mode_index].sclk,
rdev->pm.power_state[rdev->pm.requested_power_state_index].
clock_info[rdev->pm.requested_clock_mode_index].mclk,
rdev->pm.power_state[rdev->pm.requested_power_state_index].
non_clock_info.pcie_lanes);
}
void r600_set_power_state(struct radeon_device *rdev)
{
/* if *_clock_mode are the same, *_power_state are as well */
if (rdev->pm.requested_clock_mode == rdev->pm.current_clock_mode)
u32 sclk, mclk;
if ((rdev->pm.requested_clock_mode_index == rdev->pm.current_clock_mode_index) &&
(rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index))
return;
DRM_INFO("Setting: e: %d m: %d p: %d\n",
rdev->pm.requested_clock_mode->sclk,
rdev->pm.requested_clock_mode->mclk,
rdev->pm.requested_power_state->non_clock_info.pcie_lanes);
if (radeon_gui_idle(rdev)) {
/* set pcie lanes */
/* TODO */
sclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
clock_info[rdev->pm.requested_clock_mode_index].sclk;
if (sclk > rdev->clock.default_sclk)
sclk = rdev->clock.default_sclk;
/* set voltage */
/* TODO */
mclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
clock_info[rdev->pm.requested_clock_mode_index].mclk;
if (mclk > rdev->clock.default_mclk)
mclk = rdev->clock.default_mclk;
/* don't change the mclk with multiple crtcs */
if (rdev->pm.active_crtc_count > 1)
mclk = rdev->clock.default_mclk;
/* set engine clock */
radeon_sync_with_vblank(rdev);
radeon_pm_debug_check_in_vbl(rdev, false);
radeon_set_engine_clock(rdev, rdev->pm.requested_clock_mode->sclk);
radeon_pm_debug_check_in_vbl(rdev, true);
/* set pcie lanes */
/* TODO */
/* set voltage */
/* TODO */
/* set engine clock */
if (sclk != rdev->pm.current_sclk) {
radeon_sync_with_vblank(rdev);
radeon_pm_debug_check_in_vbl(rdev, false);
radeon_set_engine_clock(rdev, sclk);
radeon_pm_debug_check_in_vbl(rdev, true);
rdev->pm.current_sclk = sclk;
DRM_INFO("Setting: e: %d\n", sclk);
}
#if 0
/* set memory clock */
if (rdev->asic->set_memory_clock) {
radeon_sync_with_vblank(rdev);
radeon_pm_debug_check_in_vbl(rdev, false);
radeon_set_memory_clock(rdev, rdev->pm.requested_clock_mode->mclk);
radeon_pm_debug_check_in_vbl(rdev, true);
}
/* set memory clock */
if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
radeon_sync_with_vblank(rdev);
radeon_pm_debug_check_in_vbl(rdev, false);
radeon_set_memory_clock(rdev, mclk);
radeon_pm_debug_check_in_vbl(rdev, true);
rdev->pm.current_mclk = mclk;
DRM_INFO("Setting: m: %d\n", mclk);
}
#endif
rdev->pm.current_power_state = rdev->pm.requested_power_state;
rdev->pm.current_clock_mode = rdev->pm.requested_clock_mode;
rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;
rdev->pm.current_clock_mode_index = rdev->pm.requested_clock_mode_index;
} else
DRM_INFO("GUI not idle!!!\n");
}
bool r600_gui_idle(struct radeon_device *rdev)

25
drivers/gpu/drm/radeon/radeon.h
View File

@ -672,6 +672,9 @@ struct radeon_pm_clock_info {
u32 flags;
};
/* state flags */
#define RADEON_PM_SINGLE_DISPLAY_ONLY (1 << 0)
struct radeon_power_state {
enum radeon_pm_state_type type;
/* XXX: use a define for num clock modes */
@ -682,6 +685,8 @@ struct radeon_power_state {
/* non clock info about this state */
struct radeon_pm_non_clock_info non_clock_info;
bool voltage_drop_active;
/* standardized state flags */
u32 flags;
};
/*
@ -695,8 +700,10 @@ struct radeon_pm {
enum radeon_pm_state state;
enum radeon_pm_action planned_action;
unsigned long action_timeout;
bool downclocked;
int active_crtcs;
bool can_upclock;
bool can_downclock;
u32 active_crtcs;
int active_crtc_count;
int req_vblank;
bool vblank_sync;
bool gui_idle;
@ -716,11 +723,13 @@ struct radeon_pm {
struct radeon_power_state power_state[8];
/* number of valid power states */
int num_power_states;
struct radeon_power_state *current_power_state;
struct radeon_pm_clock_info *current_clock_mode;
struct radeon_power_state *requested_power_state;
struct radeon_pm_clock_info *requested_clock_mode;
struct radeon_power_state *default_power_state;
int current_power_state_index;
int current_clock_mode_index;
int requested_power_state_index;
int requested_clock_mode_index;
int default_power_state_index;
u32 current_sclk;
u32 current_mclk;
struct radeon_i2c_chan *i2c_bus;
};
@ -810,6 +819,7 @@ struct radeon_asic {
*/
void (*ioctl_wait_idle)(struct radeon_device *rdev, struct radeon_bo *bo);
bool (*gui_idle)(struct radeon_device *rdev);
void (*get_power_state)(struct radeon_device *rdev, enum radeon_pm_action action);
void (*set_power_state)(struct radeon_device *rdev);
};
@ -1218,6 +1228,7 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v)
#define radeon_hpd_sense(rdev, hpd) (rdev)->asic->hpd_sense((rdev), (hpd))
#define radeon_hpd_set_polarity(rdev, hpd) (rdev)->asic->hpd_set_polarity((rdev), (hpd))
#define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
#define radeon_get_power_state(rdev, a) (rdev)->asic->get_power_state((rdev), (a))
#define radeon_set_power_state(rdev) (rdev)->asic->set_power_state((rdev))
/* Common functions */

14
drivers/gpu/drm/radeon/radeon_asic.c
View File

@ -166,6 +166,7 @@ static struct radeon_asic r100_asic = {
.hpd_set_polarity = &r100_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.get_power_state = &r100_get_power_state,
.set_power_state = &r100_set_power_state,
};
@ -206,6 +207,7 @@ static struct radeon_asic r200_asic = {
.hpd_set_polarity = &r100_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.get_power_state = &r100_get_power_state,
.set_power_state = &r100_set_power_state,
};
@ -247,6 +249,7 @@ static struct radeon_asic r300_asic = {
.hpd_set_polarity = &r100_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.get_power_state = &r100_get_power_state,
.set_power_state = &r100_set_power_state,
};
@ -287,6 +290,7 @@ static struct radeon_asic r300_asic_pcie = {
.hpd_set_polarity = &r100_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.get_power_state = &r100_get_power_state,
.set_power_state = &r100_set_power_state,
};
@ -328,6 +332,7 @@ static struct radeon_asic r420_asic = {
.hpd_set_polarity = &r100_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.get_power_state = &r100_get_power_state,
.set_power_state = &r100_set_power_state,
};
@ -369,6 +374,7 @@ static struct radeon_asic rs400_asic = {
.hpd_set_polarity = &r100_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.get_power_state = &r100_get_power_state,
.set_power_state = &r100_set_power_state,
};
@ -410,6 +416,7 @@ static struct radeon_asic rs600_asic = {
.hpd_set_polarity = &rs600_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.get_power_state = &r100_get_power_state,
.set_power_state = &r100_set_power_state,
};
@ -451,6 +458,7 @@ static struct radeon_asic rs690_asic = {
.hpd_set_polarity = &rs600_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.get_power_state = &r100_get_power_state,
.set_power_state = &r100_set_power_state,
};
@ -492,6 +500,7 @@ static struct radeon_asic rv515_asic = {
.hpd_set_polarity = &rs600_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.get_power_state = &r100_get_power_state,
.set_power_state = &r100_set_power_state,
};
@ -533,6 +542,7 @@ static struct radeon_asic r520_asic = {
.hpd_set_polarity = &rs600_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.get_power_state = &r100_get_power_state,
.set_power_state = &r100_set_power_state,
};
@ -573,6 +583,7 @@ static struct radeon_asic r600_asic = {
.hpd_set_polarity = &r600_hpd_set_polarity,
.ioctl_wait_idle = r600_ioctl_wait_idle,
.gui_idle = &r600_gui_idle,
.get_power_state = &r600_get_power_state,
.set_power_state = &r600_set_power_state,
};
@ -613,6 +624,7 @@ static struct radeon_asic rs780_asic = {
.hpd_set_polarity = &r600_hpd_set_polarity,
.ioctl_wait_idle = r600_ioctl_wait_idle,
.gui_idle = &r600_gui_idle,
.get_power_state = &r600_get_power_state,
.set_power_state = &r600_set_power_state,
};
@ -653,6 +665,7 @@ static struct radeon_asic rv770_asic = {
.hpd_set_polarity = &r600_hpd_set_polarity,
.ioctl_wait_idle = r600_ioctl_wait_idle,
.gui_idle = &r600_gui_idle,
.get_power_state = &r600_get_power_state,
.set_power_state = &r600_set_power_state,
};
@ -691,6 +704,7 @@ static struct radeon_asic evergreen_asic = {
.hpd_sense = &evergreen_hpd_sense,
.hpd_set_polarity = &evergreen_hpd_set_polarity,
.gui_idle = &r600_gui_idle,
.get_power_state = &r600_get_power_state,
.set_power_state = &r600_set_power_state,
};

4
drivers/gpu/drm/radeon/radeon_asic.h
View File

@ -128,6 +128,8 @@ void r100_set_common_regs(struct radeon_device *rdev);
void r100_bm_disable(struct radeon_device *rdev);
extern bool r100_gui_idle(struct radeon_device *rdev);
extern void r100_set_power_state(struct radeon_device *rdev);
extern void r100_get_power_state(struct radeon_device *rdev,
enum radeon_pm_action action);
/*
* r200,rv250,rs300,rv280
@ -274,6 +276,8 @@ void r600_hpd_set_polarity(struct radeon_device *rdev,
extern void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo);
extern bool r600_gui_idle(struct radeon_device *rdev);
extern void r600_set_power_state(struct radeon_device *rdev);
extern void r600_get_power_state(struct radeon_device *rdev,
enum radeon_pm_action action);
/*
* rv770,rv730,rv710,rv740

91
drivers/gpu/drm/radeon/radeon_atombios.c
View File

@ -1489,7 +1489,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
int state_index = 0, mode_index = 0;
struct radeon_i2c_bus_rec i2c_bus;
rdev->pm.default_power_state = NULL;
rdev->pm.default_power_state_index = -1;
if (atom_parse_data_header(mode_info->atom_context, index, NULL,
&frev, &crev, &data_offset)) {
@ -1520,12 +1520,6 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
(rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
continue;
/* skip overclock modes for now */
if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
(rdev->pm.power_state[state_index].clock_info[0].sclk >
rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
continue;
rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
power_info->info.asPowerPlayInfo[i].ucNumPciELanes;
misc = le32_to_cpu(power_info->info.asPowerPlayInfo[i].ulMiscInfo);
@ -1547,6 +1541,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex;
}
rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
/* order matters! */
if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
rdev->pm.power_state[state_index].type =
@ -1560,15 +1555,20 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
rdev->pm.power_state[state_index].type =
POWER_STATE_TYPE_BALANCED;
if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN)
if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN) {
rdev->pm.power_state[state_index].type =
POWER_STATE_TYPE_PERFORMANCE;
rdev->pm.power_state[state_index].flags &=
~RADEON_PM_SINGLE_DISPLAY_ONLY;
}
if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
rdev->pm.power_state[state_index].type =
POWER_STATE_TYPE_DEFAULT;
rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
rdev->pm.default_power_state_index = state_index;
rdev->pm.power_state[state_index].default_clock_mode =
&rdev->pm.power_state[state_index].clock_info[0];
rdev->pm.power_state[state_index].flags &=
~RADEON_PM_SINGLE_DISPLAY_ONLY;
}
state_index++;
break;
@ -1582,12 +1582,6 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
(rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
continue;
/* skip overclock modes for now */
if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
(rdev->pm.power_state[state_index].clock_info[0].sclk >
rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
continue;
rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
power_info->info_2.asPowerPlayInfo[i].ucNumPciELanes;
misc = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo);
@ -1610,6 +1604,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex;
}
rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
/* order matters! */
if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
rdev->pm.power_state[state_index].type =
@ -1623,18 +1618,26 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
rdev->pm.power_state[state_index].type =
POWER_STATE_TYPE_BALANCED;
if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN)
if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN) {
rdev->pm.power_state[state_index].type =
POWER_STATE_TYPE_PERFORMANCE;
rdev->pm.power_state[state_index].flags &=
~RADEON_PM_SINGLE_DISPLAY_ONLY;
}
if (misc2 & ATOM_PM_MISCINFO2_SYSTEM_AC_LITE_MODE)
rdev->pm.power_state[state_index].type =
POWER_STATE_TYPE_BALANCED;
if (misc2 & ATOM_PM_MISCINFO2_MULTI_DISPLAY_SUPPORT)
rdev->pm.power_state[state_index].flags &=
~RADEON_PM_SINGLE_DISPLAY_ONLY;
if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
rdev->pm.power_state[state_index].type =
POWER_STATE_TYPE_DEFAULT;
rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
rdev->pm.default_power_state_index = state_index;
rdev->pm.power_state[state_index].default_clock_mode =
&rdev->pm.power_state[state_index].clock_info[0];
rdev->pm.power_state[state_index].flags &=
~RADEON_PM_SINGLE_DISPLAY_ONLY;
}
state_index++;
break;
@ -1648,12 +1651,6 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
(rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
continue;
/* skip overclock modes for now */
if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
(rdev->pm.power_state[state_index].clock_info[0].sclk >
rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
continue;
rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
power_info->info_3.asPowerPlayInfo[i].ucNumPciELanes;
misc = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo);
@ -1682,6 +1679,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
power_info->info_3.asPowerPlayInfo[i].ucVDDCI_VoltageDropIndex;
}
}
rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
/* order matters! */
if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
rdev->pm.power_state[state_index].type =
@ -1695,16 +1693,19 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
rdev->pm.power_state[state_index].type =
POWER_STATE_TYPE_BALANCED;
if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN)
if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN) {
rdev->pm.power_state[state_index].type =
POWER_STATE_TYPE_PERFORMANCE;
rdev->pm.power_state[state_index].flags &=
~RADEON_PM_SINGLE_DISPLAY_ONLY;
}
if (misc2 & ATOM_PM_MISCINFO2_SYSTEM_AC_LITE_MODE)
rdev->pm.power_state[state_index].type =
POWER_STATE_TYPE_BALANCED;
if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
rdev->pm.power_state[state_index].type =
POWER_STATE_TYPE_DEFAULT;
rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
rdev->pm.default_power_state_index = state_index;
rdev->pm.power_state[state_index].default_clock_mode =
&rdev->pm.power_state[state_index].clock_info[0];
}
@ -1713,12 +1714,14 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
}
}
/* last mode is usually default */
if (!rdev->pm.default_power_state) {
if (rdev->pm.default_power_state_index == -1) {
rdev->pm.power_state[state_index - 1].type =
POWER_STATE_TYPE_DEFAULT;
rdev->pm.default_power_state = &rdev->pm.power_state[state_index - 1];
rdev->pm.default_power_state_index = state_index - 1;
rdev->pm.power_state[state_index - 1].default_clock_mode =
&rdev->pm.power_state[state_index - 1].clock_info[0];
rdev->pm.power_state[state_index].flags &=
~RADEON_PM_SINGLE_DISPLAY_ONLY;
}
} else {
/* add the i2c bus for thermal/fan chip */
@ -1774,10 +1777,6 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
/* skip invalid modes */
if (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0)
continue;
/* skip overclock modes for now */
if (rdev->pm.power_state[state_index].clock_info[mode_index].sclk >
rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN)
continue;
rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
VOLTAGE_SW;
rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
@ -1801,12 +1800,6 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk == 0) ||
(rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0))
continue;
/* skip overclock modes for now */
if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk >
rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
(rdev->pm.power_state[state_index].clock_info[mode_index].sclk >
rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
continue;
rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
VOLTAGE_SW;
rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
@ -1831,12 +1824,6 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk == 0) ||
(rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0))
continue;
/* skip overclock modes for now */
if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk >
rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
(rdev->pm.power_state[state_index].clock_info[mode_index].sclk >
rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
continue;
rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
VOLTAGE_SW;
rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
@ -1865,10 +1852,14 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
POWER_STATE_TYPE_PERFORMANCE;
break;
}
rdev->pm.power_state[state_index].flags = 0;
if (misc & ATOM_PPLIB_SINGLE_DISPLAY_ONLY)
rdev->pm.power_state[state_index].flags |=
RADEON_PM_SINGLE_DISPLAY_ONLY;
if (misc2 & ATOM_PPLIB_CLASSIFICATION_BOOT) {
rdev->pm.power_state[state_index].type =
POWER_STATE_TYPE_DEFAULT;
rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
rdev->pm.default_power_state_index = state_index;
rdev->pm.power_state[state_index].default_clock_mode =
&rdev->pm.power_state[state_index].clock_info[mode_index - 1];
}
@ -1876,10 +1867,10 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
}
}
/* first mode is usually default */
if (!rdev->pm.default_power_state) {
if (rdev->pm.default_power_state_index == -1) {
rdev->pm.power_state[0].type =
POWER_STATE_TYPE_DEFAULT;
rdev->pm.default_power_state = &rdev->pm.power_state[0];
rdev->pm.default_power_state_index = 0;
rdev->pm.power_state[0].default_clock_mode =
&rdev->pm.power_state[0].clock_info[0];
}
@ -1898,15 +1889,15 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = radeon_get_pcie_lanes(rdev);
else
rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = 16;
rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
rdev->pm.default_power_state_index = state_index;
rdev->pm.power_state[state_index].flags = 0;
state_index++;
}
rdev->pm.num_power_states = state_index;
rdev->pm.current_power_state = rdev->pm.default_power_state;
rdev->pm.current_clock_mode =
rdev->pm.default_power_state->default_clock_mode;
rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
rdev->pm.current_clock_mode_index = 0;
}
void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable)

11
drivers/gpu/drm/radeon/radeon_combios.c
View File

@ -2368,7 +2368,7 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev)
u8 rev, blocks, tmp;
int state_index = 0;
rdev->pm.default_power_state = NULL;
rdev->pm.default_power_state_index = -1;
if (rdev->flags & RADEON_IS_MOBILITY) {
offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
@ -2441,6 +2441,7 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev)
if (rev > 6)
rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
RBIOS8(offset + 0x5 + 0x10);
rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
state_index++;
} else {
/* XXX figure out some good default low power mode for mobility cards w/out power tables */
@ -2462,12 +2463,12 @@ default_mode:
rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = radeon_get_pcie_lanes(rdev);
else
rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = 16;
rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
rdev->pm.power_state[state_index].flags = 0;
rdev->pm.default_power_state_index = state_index;
rdev->pm.num_power_states = state_index + 1;
rdev->pm.current_power_state = rdev->pm.default_power_state;
rdev->pm.current_clock_mode =
rdev->pm.default_power_state->default_clock_mode;
rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
rdev->pm.current_clock_mode_index = 0;
}
void radeon_external_tmds_setup(struct drm_encoder *encoder)

2
drivers/gpu/drm/radeon/radeon_legacy_crtc.c
View File

@ -323,6 +323,7 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
}
drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
radeon_crtc_load_lut(crtc);
radeon_crtc->enabled = true;
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
@ -335,6 +336,7 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
RADEON_CRTC_DISP_REQ_EN_B));
WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~mask);
}
radeon_crtc->enabled = false;
break;
}

153
drivers/gpu/drm/radeon/radeon_pm.c
View File

@ -56,7 +56,7 @@ static void radeon_print_power_mode_info(struct radeon_device *rdev)
DRM_INFO("%d Power State(s)\n", rdev->pm.num_power_states);
for (i = 0; i < rdev->pm.num_power_states; i++) {
if (rdev->pm.default_power_state == &rdev->pm.power_state[i])
if (rdev->pm.default_power_state_index == i)
is_default = true;
else
is_default = false;
@ -65,6 +65,8 @@ static void radeon_print_power_mode_info(struct radeon_device *rdev)
is_default ? "(default)" : "");
if ((rdev->flags & RADEON_IS_PCIE) && !(rdev->flags & RADEON_IS_IGP))
DRM_INFO("\t%d PCIE Lanes\n", rdev->pm.power_state[i].non_clock_info.pcie_lanes);
if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
DRM_INFO("\tSingle display only\n");
DRM_INFO("\t%d Clock Mode(s)\n", rdev->pm.power_state[i].num_clock_modes);
for (j = 0; j < rdev->pm.power_state[i].num_clock_modes; j++) {
if (rdev->flags & RADEON_IS_IGP)
@ -80,106 +82,6 @@ static void radeon_print_power_mode_info(struct radeon_device *rdev)
}
}
static struct radeon_power_state * radeon_pick_power_state(struct radeon_device *rdev,
enum radeon_pm_state_type type)
{
int i, j;
enum radeon_pm_state_type wanted_types[2];
int wanted_count;
switch (type) {
case POWER_STATE_TYPE_DEFAULT:
default:
return rdev->pm.default_power_state;
case POWER_STATE_TYPE_POWERSAVE:
if (rdev->flags & RADEON_IS_MOBILITY) {
wanted_types[0] = POWER_STATE_TYPE_POWERSAVE;
wanted_types[1] = POWER_STATE_TYPE_BATTERY;
wanted_count = 2;
} else {
wanted_types[0] = POWER_STATE_TYPE_PERFORMANCE;
wanted_count = 1;
}
break;
case POWER_STATE_TYPE_BATTERY:
if (rdev->flags & RADEON_IS_MOBILITY) {
wanted_types[0] = POWER_STATE_TYPE_BATTERY;
wanted_types[1] = POWER_STATE_TYPE_POWERSAVE;
wanted_count = 2;
} else {
wanted_types[0] = POWER_STATE_TYPE_PERFORMANCE;
wanted_count = 1;
}
break;
case POWER_STATE_TYPE_BALANCED:
case POWER_STATE_TYPE_PERFORMANCE:
wanted_types[0] = type;
wanted_count = 1;
break;
}
for (i = 0; i < wanted_count; i++) {
for (j = 0; j < rdev->pm.num_power_states; j++) {
if (rdev->pm.power_state[j].type == wanted_types[i])
return &rdev->pm.power_state[j];
}
}
return rdev->pm.default_power_state;
}
static struct radeon_pm_clock_info * radeon_pick_clock_mode(struct radeon_device *rdev,
struct radeon_power_state *power_state,
enum radeon_pm_clock_mode_type type)
{
switch (type) {
case POWER_MODE_TYPE_DEFAULT:
default:
return power_state->default_clock_mode;
case POWER_MODE_TYPE_LOW:
return &power_state->clock_info[0];
case POWER_MODE_TYPE_MID:
if (power_state->num_clock_modes > 2)
return &power_state->clock_info[1];
else
return &power_state->clock_info[0];
break;
case POWER_MODE_TYPE_HIGH:
return &power_state->clock_info[power_state->num_clock_modes - 1];
}
}
static void radeon_get_power_state(struct radeon_device *rdev,
enum radeon_pm_action action)
{
switch (action) {
case PM_ACTION_MINIMUM:
rdev->pm.requested_power_state = radeon_pick_power_state(rdev, POWER_STATE_TYPE_BATTERY);
rdev->pm.requested_clock_mode =
radeon_pick_clock_mode(rdev, rdev->pm.requested_power_state, POWER_MODE_TYPE_LOW);
break;
case PM_ACTION_DOWNCLOCK:
rdev->pm.requested_power_state = radeon_pick_power_state(rdev, POWER_STATE_TYPE_POWERSAVE);
rdev->pm.requested_clock_mode =
radeon_pick_clock_mode(rdev, rdev->pm.requested_power_state, POWER_MODE_TYPE_MID);
break;
case PM_ACTION_UPCLOCK:
rdev->pm.requested_power_state = radeon_pick_power_state(rdev, POWER_STATE_TYPE_DEFAULT);
rdev->pm.requested_clock_mode =
radeon_pick_clock_mode(rdev, rdev->pm.requested_power_state, POWER_MODE_TYPE_HIGH);
break;
case PM_ACTION_NONE:
default:
DRM_ERROR("Requested mode for not defined action\n");
return;
}
DRM_INFO("Requested: e: %d m: %d p: %d\n",
rdev->pm.requested_clock_mode->sclk,
rdev->pm.requested_clock_mode->mclk,
rdev->pm.requested_power_state->non_clock_info.pcie_lanes);
}
void radeon_sync_with_vblank(struct radeon_device *rdev)
{
if (rdev->pm.active_crtcs) {
@ -194,7 +96,8 @@ int radeon_pm_init(struct radeon_device *rdev)
{
rdev->pm.state = PM_STATE_DISABLED;
rdev->pm.planned_action = PM_ACTION_NONE;
rdev->pm.downclocked = false;
rdev->pm.can_upclock = true;
rdev->pm.can_downclock = true;
if (rdev->bios) {
if (rdev->is_atom_bios)
@ -229,9 +132,8 @@ void radeon_pm_fini(struct radeon_device *rdev)
void radeon_pm_compute_clocks(struct radeon_device *rdev)
{
struct drm_device *ddev = rdev->ddev;
struct drm_connector *connector;
struct drm_crtc *crtc;
struct radeon_crtc *radeon_crtc;
int count = 0;
if (rdev->pm.state == PM_STATE_DISABLED)
return;
@ -239,29 +141,27 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
mutex_lock(&rdev->pm.mutex);
rdev->pm.active_crtcs = 0;
list_for_each_entry(connector,
&ddev->mode_config.connector_list, head) {
if (connector->encoder &&
connector->encoder->crtc &&
connector->dpms != DRM_MODE_DPMS_OFF) {
radeon_crtc = to_radeon_crtc(connector->encoder->crtc);
rdev->pm.active_crtc_count = 0;
list_for_each_entry(crtc,
&ddev->mode_config.crtc_list, head) {
radeon_crtc = to_radeon_crtc(crtc);
if (radeon_crtc->enabled) {
rdev->pm.active_crtcs |= (1 << radeon_crtc->crtc_id);
++count;
rdev->pm.active_crtc_count++;
}
}
if (count > 1) {
if (rdev->pm.active_crtc_count > 1) {
if (rdev->pm.state == PM_STATE_ACTIVE) {
cancel_delayed_work(&rdev->pm.idle_work);
rdev->pm.state = PM_STATE_PAUSED;
rdev->pm.planned_action = PM_ACTION_UPCLOCK;
if (rdev->pm.downclocked)
radeon_pm_set_clocks(rdev);
radeon_pm_set_clocks(rdev);
DRM_DEBUG("radeon: dynamic power management deactivated\n");
}
} else if (count == 1) {
} else if (rdev->pm.active_crtc_count == 1) {
/* TODO: Increase clocks if needed for current mode */
if (rdev->pm.state == PM_STATE_MINIMUM) {
@ -271,15 +171,13 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
queue_delayed_work(rdev->wq, &rdev->pm.idle_work,
msecs_to_jiffies(RADEON_IDLE_LOOP_MS));
}
else if (rdev->pm.state == PM_STATE_PAUSED) {
} else if (rdev->pm.state == PM_STATE_PAUSED) {
rdev->pm.state = PM_STATE_ACTIVE;
queue_delayed_work(rdev->wq, &rdev->pm.idle_work,
msecs_to_jiffies(RADEON_IDLE_LOOP_MS));
DRM_DEBUG("radeon: dynamic power management activated\n");
}
}
else { /* count == 0 */
} else { /* count == 0 */
if (rdev->pm.state != PM_STATE_MINIMUM) {
cancel_delayed_work(&rdev->pm.idle_work);
@ -359,19 +257,6 @@ bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
static void radeon_pm_set_clocks_locked(struct radeon_device *rdev)
{
/*radeon_fence_wait_last(rdev);*/
switch (rdev->pm.planned_action) {
case PM_ACTION_UPCLOCK:
rdev->pm.downclocked = false;
break;
case PM_ACTION_DOWNCLOCK:
rdev->pm.downclocked = true;
break;
case PM_ACTION_MINIMUM:
break;
case PM_ACTION_NONE:
DRM_ERROR("%s: PM_ACTION_NONE\n", __func__);
break;
}
radeon_set_power_state(rdev);
rdev->pm.planned_action = PM_ACTION_NONE;
@ -437,7 +322,7 @@ static void radeon_pm_idle_work_handler(struct work_struct *work)
if (rdev->pm.planned_action == PM_ACTION_DOWNCLOCK) {
rdev->pm.planned_action = PM_ACTION_NONE;
} else if (rdev->pm.planned_action == PM_ACTION_NONE &&
rdev->pm.downclocked) {
rdev->pm.can_upclock) {
rdev->pm.planned_action =
PM_ACTION_UPCLOCK;
rdev->pm.action_timeout = jiffies +
@ -447,7 +332,7 @@ static void radeon_pm_idle_work_handler(struct work_struct *work)
if (rdev->pm.planned_action == PM_ACTION_UPCLOCK) {
rdev->pm.planned_action = PM_ACTION_NONE;
} else if (rdev->pm.planned_action == PM_ACTION_NONE &&
!rdev->pm.downclocked) {
rdev->pm.can_downclock) {
rdev->pm.planned_action =
PM_ACTION_DOWNCLOCK;
rdev->pm.action_timeout = jiffies +