1 files changed, 376 insertions, 100 deletions

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 4de41b0ad5ce..cc004b05d63e 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -37,6 +37,7 @@
 #include "rs100d.h"
 #include "rv200d.h"
 #include "rv250d.h"
+#include "atom.h"
 
 #include <linux/firmware.h>
 #include <linux/platform_device.h>
@@ -67,6 +68,264 @@ MODULE_FIRMWARE(FIRMWARE_R520);
  * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
  */
 
+void r100_pm_get_dynpm_state(struct radeon_device *rdev)
+{
+	int i;
+	rdev->pm.dynpm_can_upclock = true;
+	rdev->pm.dynpm_can_downclock = true;
+
+	switch (rdev->pm.dynpm_planned_action) {
+	case DYNPM_ACTION_MINIMUM:
+		rdev->pm.requested_power_state_index = 0;
+		rdev->pm.dynpm_can_downclock = false;
+		break;
+	case DYNPM_ACTION_DOWNCLOCK:
+		if (rdev->pm.current_power_state_index == 0) {
+			rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
+			rdev->pm.dynpm_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_STATE_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;
+		}
+		/* don't use the power state if crtcs are active and no display flag is set */
+		if ((rdev->pm.active_crtc_count > 0) &&
+		    (rdev->pm.power_state[rdev->pm.requested_power_state_index].clock_info[0].flags &
+		     RADEON_PM_MODE_NO_DISPLAY)) {
+			rdev->pm.requested_power_state_index++;
+		}
+		break;
+	case DYNPM_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.dynpm_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_STATE_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 DYNPM_ACTION_DEFAULT:
+		rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
+		rdev->pm.dynpm_can_upclock = false;
+		break;
+	case DYNPM_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_DEBUG("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].
+		  pcie_lanes);
+}
+
+void r100_pm_init_profile(struct radeon_device *rdev)
+{
+	/* default */
+	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
+	/* low sh */
+	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
+	/* high sh */
+	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
+	/* low mh */
+	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
+	/* high mh */
+	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
+}
+
+void r100_pm_misc(struct radeon_device *rdev)
+{
+	int requested_index = rdev->pm.requested_power_state_index;
+	struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
+	struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
+	u32 tmp, sclk_cntl, sclk_cntl2, sclk_more_cntl;
+
+	if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
+		if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
+			tmp = RREG32(voltage->gpio.reg);
+			if (voltage->active_high)
+				tmp |= voltage->gpio.mask;
+			else
+				tmp &= ~(voltage->gpio.mask);
+			WREG32(voltage->gpio.reg, tmp);
+			if (voltage->delay)
+				udelay(voltage->delay);
+		} else {
+			tmp = RREG32(voltage->gpio.reg);
+			if (voltage->active_high)
+				tmp &= ~voltage->gpio.mask;
+			else
+				tmp |= voltage->gpio.mask;
+			WREG32(voltage->gpio.reg, tmp);
+			if (voltage->delay)
+				udelay(voltage->delay);
+		}
+	}
+
+	sclk_cntl = RREG32_PLL(SCLK_CNTL);
+	sclk_cntl2 = RREG32_PLL(SCLK_CNTL2);
+	sclk_cntl2 &= ~REDUCED_SPEED_SCLK_SEL(3);
+	sclk_more_cntl = RREG32_PLL(SCLK_MORE_CNTL);
+	sclk_more_cntl &= ~VOLTAGE_DELAY_SEL(3);
+	if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
+		sclk_more_cntl |= REDUCED_SPEED_SCLK_EN;
+		if (ps->misc & ATOM_PM_MISCINFO_DYN_CLK_3D_IDLE)
+			sclk_cntl2 |= REDUCED_SPEED_SCLK_MODE;
+		else
+			sclk_cntl2 &= ~REDUCED_SPEED_SCLK_MODE;
+		if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2)
+			sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(0);
+		else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4)
+			sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(2);
+	} else
+		sclk_more_cntl &= ~REDUCED_SPEED_SCLK_EN;
+
+	if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
+		sclk_more_cntl |= IO_CG_VOLTAGE_DROP;
+		if (voltage->delay) {
+			sclk_more_cntl |= VOLTAGE_DROP_SYNC;
+			switch (voltage->delay) {
+			case 33:
+				sclk_more_cntl |= VOLTAGE_DELAY_SEL(0);
+				break;
+			case 66:
+				sclk_more_cntl |= VOLTAGE_DELAY_SEL(1);
+				break;
+			case 99:
+				sclk_more_cntl |= VOLTAGE_DELAY_SEL(2);
+				break;
+			case 132:
+				sclk_more_cntl |= VOLTAGE_DELAY_SEL(3);
+				break;
+			}
+		} else
+			sclk_more_cntl &= ~VOLTAGE_DROP_SYNC;
+	} else
+		sclk_more_cntl &= ~IO_CG_VOLTAGE_DROP;
+
+	if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
+		sclk_cntl &= ~FORCE_HDP;
+	else
+		sclk_cntl |= FORCE_HDP;
+
+	WREG32_PLL(SCLK_CNTL, sclk_cntl);
+	WREG32_PLL(SCLK_CNTL2, sclk_cntl2);
+	WREG32_PLL(SCLK_MORE_CNTL, sclk_more_cntl);
+
+	/* set pcie lanes */
+	if ((rdev->flags & RADEON_IS_PCIE) &&
+	    !(rdev->flags & RADEON_IS_IGP) &&
+	    rdev->asic->set_pcie_lanes &&
+	    (ps->pcie_lanes !=
+	     rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
+		radeon_set_pcie_lanes(rdev,
+				      ps->pcie_lanes);
+		DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes);
+	}
+}
+
+void r100_pm_prepare(struct radeon_device *rdev)
+{
+	struct drm_device *ddev = rdev->ddev;
+	struct drm_crtc *crtc;
+	struct radeon_crtc *radeon_crtc;
+	u32 tmp;
+
+	/* disable any active CRTCs */
+	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
+		radeon_crtc = to_radeon_crtc(crtc);
+		if (radeon_crtc->enabled) {
+			if (radeon_crtc->crtc_id) {
+				tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
+				tmp |= RADEON_CRTC2_DISP_REQ_EN_B;
+				WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
+			} else {
+				tmp = RREG32(RADEON_CRTC_GEN_CNTL);
+				tmp |= RADEON_CRTC_DISP_REQ_EN_B;
+				WREG32(RADEON_CRTC_GEN_CNTL, tmp);
+			}
+		}
+	}
+}
+
+void r100_pm_finish(struct radeon_device *rdev)
+{
+	struct drm_device *ddev = rdev->ddev;
+	struct drm_crtc *crtc;
+	struct radeon_crtc *radeon_crtc;
+	u32 tmp;
+
+	/* enable any active CRTCs */
+	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
+		radeon_crtc = to_radeon_crtc(crtc);
+		if (radeon_crtc->enabled) {
+			if (radeon_crtc->crtc_id) {
+				tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
+				tmp &= ~RADEON_CRTC2_DISP_REQ_EN_B;
+				WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
+			} else {
+				tmp = RREG32(RADEON_CRTC_GEN_CNTL);
+				tmp &= ~RADEON_CRTC_DISP_REQ_EN_B;
+				WREG32(RADEON_CRTC_GEN_CNTL, tmp);
+			}
+		}
+	}
+}
+
+bool r100_gui_idle(struct radeon_device *rdev)
+{
+	if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)
+		return false;
+	else
+		return true;
+}
+
 /* hpd for digital panel detect/disconnect */
 bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 {
@@ -254,6 +513,9 @@ int r100_irq_set(struct radeon_device *rdev)
 	if (rdev->irq.sw_int) {
 		tmp |= RADEON_SW_INT_ENABLE;
 	}
+	if (rdev->irq.gui_idle) {
+		tmp |= RADEON_GUI_IDLE_MASK;
+	}
 	if (rdev->irq.crtc_vblank_int[0]) {
 		tmp |= RADEON_CRTC_VBLANK_MASK;
 	}
@@ -288,6 +550,12 @@ static inline uint32_t r100_irq_ack(struct radeon_device *rdev)
 		RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
 		RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
 
+	/* the interrupt works, but the status bit is permanently asserted */
+	if (rdev->irq.gui_idle && radeon_gui_idle(rdev)) {
+		if (!rdev->irq.gui_idle_acked)
+			irq_mask |= RADEON_GUI_IDLE_STAT;
+	}
+
 	if (irqs) {
 		WREG32(RADEON_GEN_INT_STATUS, irqs);
 	}
@@ -299,6 +567,9 @@ int r100_irq_process(struct radeon_device *rdev)
 	uint32_t status, msi_rearm;
 	bool queue_hotplug = false;
 
+	/* reset gui idle ack.  the status bit is broken */
+	rdev->irq.gui_idle_acked = false;
+
 	status = r100_irq_ack(rdev);
 	if (!status) {
 		return IRQ_NONE;
@@ -311,6 +582,12 @@ int r100_irq_process(struct radeon_device *rdev)
 		if (status & RADEON_SW_INT_TEST) {
 			radeon_fence_process(rdev);
 		}
+		/* gui idle interrupt */
+		if (status & RADEON_GUI_IDLE_STAT) {
+			rdev->irq.gui_idle_acked = true;
+			rdev->pm.gui_idle = true;
+			wake_up(&rdev->irq.idle_queue);
+		}
 		/* Vertical blank interrupts */
 		if (status & RADEON_CRTC_VBLANK_STAT) {
 			drm_handle_vblank(rdev->ddev, 0);
@@ -332,6 +609,8 @@ int r100_irq_process(struct radeon_device *rdev)
 		}
 		status = r100_irq_ack(rdev);
 	}
+	/* reset gui idle ack.  the status bit is broken */
+	rdev->irq.gui_idle_acked = false;
 	if (queue_hotplug)
 		queue_work(rdev->wq, &rdev->hotplug_work);
 	if (rdev->msi_enabled) {
@@ -2364,53 +2643,53 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 	fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
 	uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
 	fixed20_12 memtcas_ff[8] = {
-		fixed_init(1),
-		fixed_init(2),
-		fixed_init(3),
-		fixed_init(0),
-		fixed_init_half(1),
-		fixed_init_half(2),
-		fixed_init(0),
+		dfixed_init(1),
+		dfixed_init(2),
+		dfixed_init(3),
+		dfixed_init(0),
+		dfixed_init_half(1),
+		dfixed_init_half(2),
+		dfixed_init(0),
 	};
 	fixed20_12 memtcas_rs480_ff[8] = {
-		fixed_init(0),
-		fixed_init(1),
-		fixed_init(2),
-		fixed_init(3),
-		fixed_init(0),
-		fixed_init_half(1),
-		fixed_init_half(2),
-		fixed_init_half(3),
+		dfixed_init(0),
+		dfixed_init(1),
+		dfixed_init(2),
+		dfixed_init(3),
+		dfixed_init(0),
+		dfixed_init_half(1),
+		dfixed_init_half(2),
+		dfixed_init_half(3),
 	};
 	fixed20_12 memtcas2_ff[8] = {
-		fixed_init(0),
-		fixed_init(1),
-		fixed_init(2),
-		fixed_init(3),
-		fixed_init(4),
-		fixed_init(5),
-		fixed_init(6),
-		fixed_init(7),
+		dfixed_init(0),
+		dfixed_init(1),
+		dfixed_init(2),
+		dfixed_init(3),
+		dfixed_init(4),
+		dfixed_init(5),
+		dfixed_init(6),
+		dfixed_init(7),
 	};
 	fixed20_12 memtrbs[8] = {
-		fixed_init(1),
-		fixed_init_half(1),
-		fixed_init(2),
-		fixed_init_half(2),
-		fixed_init(3),
-		fixed_init_half(3),
-		fixed_init(4),
-		fixed_init_half(4)
+		dfixed_init(1),
+		dfixed_init_half(1),
+		dfixed_init(2),
+		dfixed_init_half(2),
+		dfixed_init(3),
+		dfixed_init_half(3),
+		dfixed_init(4),
+		dfixed_init_half(4)
 	};
 	fixed20_12 memtrbs_r4xx[8] = {
-		fixed_init(4),
-		fixed_init(5),
-		fixed_init(6),
-		fixed_init(7),
-		fixed_init(8),
-		fixed_init(9),
-		fixed_init(10),
-		fixed_init(11)
+		dfixed_init(4),
+		dfixed_init(5),
+		dfixed_init(6),
+		dfixed_init(7),
+		dfixed_init(8),
+		dfixed_init(9),
+		dfixed_init(10),
+		dfixed_init(11)
 	};
 	fixed20_12 min_mem_eff;
 	fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
@@ -2441,7 +2720,7 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 		}
 	}
 
-	min_mem_eff.full = rfixed_const_8(0);
+	min_mem_eff.full = dfixed_const_8(0);
 	/* get modes */
 	if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
 		uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
@@ -2462,28 +2741,28 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 	mclk_ff = rdev->pm.mclk;
 
 	temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
-	temp_ff.full = rfixed_const(temp);
-	mem_bw.full = rfixed_mul(mclk_ff, temp_ff);
+	temp_ff.full = dfixed_const(temp);
+	mem_bw.full = dfixed_mul(mclk_ff, temp_ff);
 
 	pix_clk.full = 0;
 	pix_clk2.full = 0;
 	peak_disp_bw.full = 0;
 	if (mode1) {
-		temp_ff.full = rfixed_const(1000);
-		pix_clk.full = rfixed_const(mode1->clock); /* convert to fixed point */
-		pix_clk.full = rfixed_div(pix_clk, temp_ff);
-		temp_ff.full = rfixed_const(pixel_bytes1);
-		peak_disp_bw.full += rfixed_mul(pix_clk, temp_ff);
+		temp_ff.full = dfixed_const(1000);
+		pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */
+		pix_clk.full = dfixed_div(pix_clk, temp_ff);
+		temp_ff.full = dfixed_const(pixel_bytes1);
+		peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff);
 	}
 	if (mode2) {
-		temp_ff.full = rfixed_const(1000);
-		pix_clk2.full = rfixed_const(mode2->clock); /* convert to fixed point */
-		pix_clk2.full = rfixed_div(pix_clk2, temp_ff);
-		temp_ff.full = rfixed_const(pixel_bytes2);
-		peak_disp_bw.full += rfixed_mul(pix_clk2, temp_ff);
+		temp_ff.full = dfixed_const(1000);
+		pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */
+		pix_clk2.full = dfixed_div(pix_clk2, temp_ff);
+		temp_ff.full = dfixed_const(pixel_bytes2);
+		peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff);
 	}
 
-	mem_bw.full = rfixed_mul(mem_bw, min_mem_eff);
+	mem_bw.full = dfixed_mul(mem_bw, min_mem_eff);
 	if (peak_disp_bw.full >= mem_bw.full) {
 		DRM_ERROR("You may not have enough display bandwidth for current mode\n"
 			  "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
@@ -2525,9 +2804,9 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 		mem_tras = ((temp >> 12) & 0xf) + 4;
 	}
 	/* convert to FF */
-	trcd_ff.full = rfixed_const(mem_trcd);
-	trp_ff.full = rfixed_const(mem_trp);
-	tras_ff.full = rfixed_const(mem_tras);
+	trcd_ff.full = dfixed_const(mem_trcd);
+	trp_ff.full = dfixed_const(mem_trp);
+	tras_ff.full = dfixed_const(mem_tras);
 
 	/* Get values from the MEM_SDRAM_MODE_REG register...converting its */
 	temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
@@ -2545,7 +2824,7 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 		/* extra cas latency stored in bits 23-25 0-4 clocks */
 		data = (temp >> 23) & 0x7;
 		if (data < 5)
-			tcas_ff.full += rfixed_const(data);
+			tcas_ff.full += dfixed_const(data);
 	}
 
 	if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
@@ -2582,72 +2861,72 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 
 	if (rdev->flags & RADEON_IS_AGP) {
 		fixed20_12 agpmode_ff;
-		agpmode_ff.full = rfixed_const(radeon_agpmode);
-		temp_ff.full = rfixed_const_666(16);
-		sclk_eff_ff.full -= rfixed_mul(agpmode_ff, temp_ff);
+		agpmode_ff.full = dfixed_const(radeon_agpmode);
+		temp_ff.full = dfixed_const_666(16);
+		sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff);
 	}
 	/* TODO PCIE lanes may affect this - agpmode == 16?? */
 
 	if (ASIC_IS_R300(rdev)) {
-		sclk_delay_ff.full = rfixed_const(250);
+		sclk_delay_ff.full = dfixed_const(250);
 	} else {
 		if ((rdev->family == CHIP_RV100) ||
 		    rdev->flags & RADEON_IS_IGP) {
 			if (rdev->mc.vram_is_ddr)
-				sclk_delay_ff.full = rfixed_const(41);
+				sclk_delay_ff.full = dfixed_const(41);
 			else
-				sclk_delay_ff.full = rfixed_const(33);
+				sclk_delay_ff.full = dfixed_const(33);
 		} else {
 			if (rdev->mc.vram_width == 128)
-				sclk_delay_ff.full = rfixed_const(57);
+				sclk_delay_ff.full = dfixed_const(57);
 			else
-				sclk_delay_ff.full = rfixed_const(41);
+				sclk_delay_ff.full = dfixed_const(41);
 		}
 	}
 
-	mc_latency_sclk.full = rfixed_div(sclk_delay_ff, sclk_eff_ff);
+	mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff);
 
 	if (rdev->mc.vram_is_ddr) {
 		if (rdev->mc.vram_width == 32) {
-			k1.full = rfixed_const(40);
+			k1.full = dfixed_const(40);
 			c  = 3;
 		} else {
-			k1.full = rfixed_const(20);
+			k1.full = dfixed_const(20);
 			c  = 1;
 		}
 	} else {
-		k1.full = rfixed_const(40);
+		k1.full = dfixed_const(40);
 		c  = 3;
 	}
 
-	temp_ff.full = rfixed_const(2);
-	mc_latency_mclk.full = rfixed_mul(trcd_ff, temp_ff);
-	temp_ff.full = rfixed_const(c);
-	mc_latency_mclk.full += rfixed_mul(tcas_ff, temp_ff);
-	temp_ff.full = rfixed_const(4);
-	mc_latency_mclk.full += rfixed_mul(tras_ff, temp_ff);
-	mc_latency_mclk.full += rfixed_mul(trp_ff, temp_ff);
+	temp_ff.full = dfixed_const(2);
+	mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff);
+	temp_ff.full = dfixed_const(c);
+	mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff);
+	temp_ff.full = dfixed_const(4);
+	mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff);
+	mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff);
 	mc_latency_mclk.full += k1.full;
 
-	mc_latency_mclk.full = rfixed_div(mc_latency_mclk, mclk_ff);
-	mc_latency_mclk.full += rfixed_div(temp_ff, sclk_eff_ff);
+	mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff);
+	mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff);
 
 	/*
 	  HW cursor time assuming worst case of full size colour cursor.
 	*/
-	temp_ff.full = rfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
+	temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
 	temp_ff.full += trcd_ff.full;
 	if (temp_ff.full < tras_ff.full)
 		temp_ff.full = tras_ff.full;
-	cur_latency_mclk.full = rfixed_div(temp_ff, mclk_ff);
+	cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff);
 
-	temp_ff.full = rfixed_const(cur_size);
-	cur_latency_sclk.full = rfixed_div(temp_ff, sclk_eff_ff);
+	temp_ff.full = dfixed_const(cur_size);
+	cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff);
 	/*
 	  Find the total latency for the display data.
 	*/
-	disp_latency_overhead.full = rfixed_const(8);
-	disp_latency_overhead.full = rfixed_div(disp_latency_overhead, sclk_ff);
+	disp_latency_overhead.full = dfixed_const(8);
+	disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff);
 	mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
 	mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
 
@@ -2675,16 +2954,16 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 		/*
 		  Find the drain rate of the display buffer.
 		*/
-		temp_ff.full = rfixed_const((16/pixel_bytes1));
-		disp_drain_rate.full = rfixed_div(pix_clk, temp_ff);
+		temp_ff.full = dfixed_const((16/pixel_bytes1));
+		disp_drain_rate.full = dfixed_div(pix_clk, temp_ff);
 
 		/*
 		  Find the critical point of the display buffer.
 		*/
-		crit_point_ff.full = rfixed_mul(disp_drain_rate, disp_latency);
-		crit_point_ff.full += rfixed_const_half(0);
+		crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency);
+		crit_point_ff.full += dfixed_const_half(0);
 
-		critical_point = rfixed_trunc(crit_point_ff);
+		critical_point = dfixed_trunc(crit_point_ff);
 
 		if (rdev->disp_priority == 2) {
 			critical_point = 0;
@@ -2755,8 +3034,8 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 		/*
 		  Find the drain rate of the display buffer.
 		*/
-		temp_ff.full = rfixed_const((16/pixel_bytes2));
-		disp_drain_rate2.full = rfixed_div(pix_clk2, temp_ff);
+		temp_ff.full = dfixed_const((16/pixel_bytes2));
+		disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff);
 
 		grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
 		grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
@@ -2777,8 +3056,8 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 			critical_point2 = 0;
 		else {
 			temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
-			temp_ff.full = rfixed_const(temp);
-			temp_ff.full = rfixed_mul(mclk_ff, temp_ff);
+			temp_ff.full = dfixed_const(temp);
+			temp_ff.full = dfixed_mul(mclk_ff, temp_ff);
 			if (sclk_ff.full < temp_ff.full)
 				temp_ff.full = sclk_ff.full;
 
@@ -2786,15 +3065,15 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 
 			if (mode1) {
 				temp_ff.full = read_return_rate.full - disp_drain_rate.full;
-				time_disp1_drop_priority.full = rfixed_div(crit_point_ff, temp_ff);
+				time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff);
 			} else {
 				time_disp1_drop_priority.full = 0;
 			}
 			crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
-			crit_point_ff.full = rfixed_mul(crit_point_ff, disp_drain_rate2);
-			crit_point_ff.full += rfixed_const_half(0);
+			crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2);
+			crit_point_ff.full += dfixed_const_half(0);
 
-			critical_point2 = rfixed_trunc(crit_point_ff);
+			critical_point2 = dfixed_trunc(crit_point_ff);
 
 			if (rdev->disp_priority == 2) {
 				critical_point2 = 0;
@@ -3491,7 +3770,6 @@ int r100_suspend(struct radeon_device *rdev)
 
 void r100_fini(struct radeon_device *rdev)
 {
-	radeon_pm_fini(rdev);
 	r100_cp_fini(rdev);
 	r100_wb_fini(rdev);
 	r100_ib_fini(rdev);
@@ -3547,8 +3825,6 @@ int r100_init(struct radeon_device *rdev)
 	r100_errata(rdev);
 	/* Initialize clocks */
 	radeon_get_clock_info(rdev->ddev);
-	/* Initialize power management */
-	radeon_pm_init(rdev);
 	/* initialize AGP */
 	if (rdev->flags & RADEON_IS_AGP) {
 		r = radeon_agp_init(rdev);