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

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(v2) Add evergreen vbl checks

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 13:38:05 -04:00 committed by Dave Airlie
parent 03214bd5c6
commit bae6b56273
8 changed files with 148 additions and 49 deletions
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1
drivers/gpu/drm/radeon/evergreen_reg.h
View file

@ -166,6 +166,7 @@
/* CRTC blocks at 0x6df0, 0x79f0, 0x105f0, 0x111f0, 0x11df0, 0x129f0 */
#define EVERGREEN_CRTC_CONTROL 0x6e70
# define EVERGREEN_CRTC_MASTER_EN (1 << 0)
#define EVERGREEN_CRTC_STATUS 0x6e8c
#define EVERGREEN_CRTC_UPDATE_LOCK 0x6ed4
#define EVERGREEN_DC_GPIO_HPD_MASK 0x64b0

37
drivers/gpu/drm/radeon/r100.c
View file

@ -67,6 +67,43 @@ MODULE_FIRMWARE(FIRMWARE_R520);
* r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
*/
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)
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);
/* set pcie lanes */
/* TODO */
/* set voltage */
/* TODO */
/* 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);
#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);
}
#endif
rdev->pm.current_power_state = rdev->pm.requested_power_state;
rdev->pm.current_clock_mode = rdev->pm.requested_clock_mode;
}
bool r100_gui_idle(struct radeon_device *rdev)
{
if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)

37
drivers/gpu/drm/radeon/r600.c
View file

@ -92,6 +92,43 @@ 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_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)
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);
/* set pcie lanes */
/* TODO */
/* set voltage */
/* TODO */
/* 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);
#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);
}
#endif
rdev->pm.current_power_state = rdev->pm.requested_power_state;
rdev->pm.current_clock_mode = rdev->pm.requested_clock_mode;
}
bool r600_gui_idle(struct radeon_device *rdev)
{
if (RREG32(GRBM_STATUS) & GUI_ACTIVE)

4
drivers/gpu/drm/radeon/radeon.h
View file

@ -175,6 +175,8 @@ void radeon_pm_fini(struct radeon_device *rdev);
void radeon_pm_compute_clocks(struct radeon_device *rdev);
void radeon_combios_get_power_modes(struct radeon_device *rdev);
void radeon_atombios_get_power_modes(struct radeon_device *rdev);
bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish);
void radeon_sync_with_vblank(struct radeon_device *rdev);
/*
* Fences.
@ -808,6 +810,7 @@ struct radeon_asic {
*/
void (*ioctl_wait_idle)(struct radeon_device *rdev, struct radeon_bo *bo);
bool (*gui_idle)(struct radeon_device *rdev);
void (*set_power_state)(struct radeon_device *rdev);
};
/*
@ -1215,6 +1218,7 @@ 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_set_power_state(rdev) (rdev)->asic->set_power_state((rdev))
/* Common functions */
/* AGP */

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,
.set_power_state = &r100_set_power_state,
};
static struct radeon_asic r200_asic = {
@ -205,6 +206,7 @@ static struct radeon_asic r200_asic = {
.hpd_set_polarity = &r100_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.set_power_state = &r100_set_power_state,
};
static struct radeon_asic r300_asic = {
@ -245,6 +247,7 @@ static struct radeon_asic r300_asic = {
.hpd_set_polarity = &r100_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.set_power_state = &r100_set_power_state,
};
static struct radeon_asic r300_asic_pcie = {
@ -284,6 +287,7 @@ static struct radeon_asic r300_asic_pcie = {
.hpd_set_polarity = &r100_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.set_power_state = &r100_set_power_state,
};
static struct radeon_asic r420_asic = {
@ -324,6 +328,7 @@ static struct radeon_asic r420_asic = {
.hpd_set_polarity = &r100_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.set_power_state = &r100_set_power_state,
};
static struct radeon_asic rs400_asic = {
@ -364,6 +369,7 @@ static struct radeon_asic rs400_asic = {
.hpd_set_polarity = &r100_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.set_power_state = &r100_set_power_state,
};
static struct radeon_asic rs600_asic = {
@ -404,6 +410,7 @@ static struct radeon_asic rs600_asic = {
.hpd_set_polarity = &rs600_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.set_power_state = &r100_set_power_state,
};
static struct radeon_asic rs690_asic = {
@ -444,6 +451,7 @@ static struct radeon_asic rs690_asic = {
.hpd_set_polarity = &rs600_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.set_power_state = &r100_set_power_state,
};
static struct radeon_asic rv515_asic = {
@ -484,6 +492,7 @@ static struct radeon_asic rv515_asic = {
.hpd_set_polarity = &rs600_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.set_power_state = &r100_set_power_state,
};
static struct radeon_asic r520_asic = {
@ -524,6 +533,7 @@ static struct radeon_asic r520_asic = {
.hpd_set_polarity = &rs600_hpd_set_polarity,
.ioctl_wait_idle = NULL,
.gui_idle = &r100_gui_idle,
.set_power_state = &r100_set_power_state,
};
static struct radeon_asic r600_asic = {
@ -563,6 +573,7 @@ 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,
.set_power_state = &r600_set_power_state,
};
static struct radeon_asic rs780_asic = {
@ -602,6 +613,7 @@ 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,
.set_power_state = &r600_set_power_state,
};
static struct radeon_asic rv770_asic = {
@ -641,6 +653,7 @@ 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,
.set_power_state = &r600_set_power_state,
};
static struct radeon_asic evergreen_asic = {
@ -678,6 +691,7 @@ static struct radeon_asic evergreen_asic = {
.hpd_sense = &evergreen_hpd_sense,
.hpd_set_polarity = &evergreen_hpd_set_polarity,
.gui_idle = &r600_gui_idle,
.set_power_state = &r600_set_power_state,
};
int radeon_asic_init(struct radeon_device *rdev)

3
drivers/gpu/drm/radeon/radeon_asic.h
View file

@ -127,6 +127,8 @@ void r100_enable_bm(struct radeon_device *rdev);
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);
/*
* r200,rv250,rs300,rv280
*/
@ -271,6 +273,7 @@ void r600_hpd_set_polarity(struct radeon_device *rdev,
enum radeon_hpd_id hpd);
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);
/*
* rv770,rv730,rv710,rv740

100
drivers/gpu/drm/radeon/radeon_pm.c
View file

@ -29,7 +29,6 @@
#define RADEON_WAIT_VBLANK_TIMEOUT 200
#define RADEON_WAIT_IDLE_TIMEOUT 200
static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish);
static void radeon_pm_set_clocks_locked(struct radeon_device *rdev);
static void radeon_pm_set_clocks(struct radeon_device *rdev);
static void radeon_pm_idle_work_handler(struct work_struct *work);
@ -181,7 +180,7 @@ static void radeon_get_power_state(struct radeon_device *rdev,
rdev->pm.requested_power_state->non_clock_info.pcie_lanes);
}
static inline void radeon_sync_with_vblank(struct radeon_device *rdev)
void radeon_sync_with_vblank(struct radeon_device *rdev)
{
if (rdev->pm.active_crtcs) {
rdev->pm.vblank_sync = false;
@ -191,43 +190,6 @@ static inline void radeon_sync_with_vblank(struct radeon_device *rdev)
}
}
static void radeon_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)
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);
/* set pcie lanes */
/* TODO */
/* set voltage */
/* TODO */
/* 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);
#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);
}
#endif
rdev->pm.current_power_state = rdev->pm.requested_power_state;
rdev->pm.current_clock_mode = rdev->pm.requested_clock_mode;
}
int radeon_pm_init(struct radeon_device *rdev)
{
rdev->pm.state = PM_STATE_DISABLED;
@ -330,26 +292,68 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
mutex_unlock(&rdev->pm.mutex);
}
static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
{
u32 stat_crtc1 = 0, stat_crtc2 = 0;
u32 stat_crtc = 0;
bool in_vbl = true;
if (ASIC_IS_AVIVO(rdev)) {
if (ASIC_IS_DCE4(rdev)) {
if (rdev->pm.active_crtcs & (1 << 0)) {
stat_crtc1 = RREG32(D1CRTC_STATUS);
if (!(stat_crtc1 & 1))
stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
if (!(stat_crtc & 1))
in_vbl = false;
}
if (rdev->pm.active_crtcs & (1 << 1)) {
stat_crtc2 = RREG32(D2CRTC_STATUS);
if (!(stat_crtc2 & 1))
stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
if (!(stat_crtc & 1))
in_vbl = false;
}
if (rdev->pm.active_crtcs & (1 << 2)) {
stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
if (!(stat_crtc & 1))
in_vbl = false;
}
if (rdev->pm.active_crtcs & (1 << 3)) {
stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
if (!(stat_crtc & 1))
in_vbl = false;
}
if (rdev->pm.active_crtcs & (1 << 4)) {
stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
if (!(stat_crtc & 1))
in_vbl = false;
}
if (rdev->pm.active_crtcs & (1 << 5)) {
stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
if (!(stat_crtc & 1))
in_vbl = false;
}
} else if (ASIC_IS_AVIVO(rdev)) {
if (rdev->pm.active_crtcs & (1 << 0)) {
stat_crtc = RREG32(D1CRTC_STATUS);
if (!(stat_crtc & 1))
in_vbl = false;
}
if (rdev->pm.active_crtcs & (1 << 1)) {
stat_crtc = RREG32(D2CRTC_STATUS);
if (!(stat_crtc & 1))
in_vbl = false;
}
} else {
if (rdev->pm.active_crtcs & (1 << 0)) {
stat_crtc = RREG32(RADEON_CRTC_STATUS);
if (!(stat_crtc & 1))
in_vbl = false;
}
if (rdev->pm.active_crtcs & (1 << 1)) {
stat_crtc = RREG32(RADEON_CRTC2_STATUS);
if (!(stat_crtc & 1))
in_vbl = false;
}
}
if (in_vbl == false)
DRM_INFO("not in vbl for pm change %08x %08x at %s\n", stat_crtc1,
stat_crtc2, finish ? "exit" : "entry");
DRM_INFO("not in vbl for pm change %08x at %s\n", stat_crtc,
finish ? "exit" : "entry");
return in_vbl;
}
static void radeon_pm_set_clocks_locked(struct radeon_device *rdev)

1
drivers/gpu/drm/radeon/radeon_reg.h
View file

@ -553,7 +553,6 @@
# define RADEON_CRTC_CRNT_VLINE_MASK (0x7ff << 16)
#define RADEON_CRTC2_CRNT_FRAME 0x0314
#define RADEON_CRTC2_GUI_TRIG_VLINE 0x0318
#define RADEON_CRTC2_STATUS 0x03fc
#define RADEON_CRTC2_VLINE_CRNT_VLINE 0x0310
#define RADEON_CRTC8_DATA 0x03d5 /* VGA, 0x3b5 */
#define RADEON_CRTC8_IDX 0x03d4 /* VGA, 0x3b4 */