From c6cf7777a32da874fabec4fd1c2a579f0ba4e4dd Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 5 Jul 2013 13:14:30 -0400
Subject: drm/radeon: set default clocks for SI when DPM is disabled

Fix patching of vddc values for SI and enable manually forcing
clocks to default levels as per NI.

This improves the out of the box performance with SI asics.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/evergreen.c       | 8 ++++----
 drivers/gpu/drm/radeon/radeon_atombios.c | 4 ++++
 drivers/gpu/drm/radeon/radeon_pm.c       | 8 ++++----
 3 files changed, 12 insertions(+), 8 deletions(-)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 2e1de4fd2975..e49059dc9b8f 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1504,8 +1504,8 @@ void evergreen_pm_misc(struct radeon_device *rdev)
 	struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
 
 	if (voltage->type == VOLTAGE_SW) {
-		/* 0xff01 is a flag rather then an actual voltage */
-		if (voltage->voltage == 0xff01)
+		/* 0xff0x are flags rather then an actual voltage */
+		if ((voltage->voltage & 0xff00) == 0xff00)
 			return;
 		if (voltage->voltage && (voltage->voltage != rdev->pm.current_vddc)) {
 			radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
@@ -1525,8 +1525,8 @@ void evergreen_pm_misc(struct radeon_device *rdev)
 			voltage = &rdev->pm.power_state[req_ps_idx].
 				clock_info[rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx].voltage;
 
-		/* 0xff01 is a flag rather then an actual voltage */
-		if (voltage->vddci == 0xff01)
+		/* 0xff0x are flags rather then an actual voltage */
+		if ((voltage->vddci & 0xff00) == 0xff00)
 			return;
 		if (voltage->vddci && (voltage->vddci != rdev->pm.current_vddci)) {
 			radeon_atom_set_voltage(rdev, voltage->vddci, SET_VOLTAGE_TYPE_ASIC_VDDCI);
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index b1777d10d0b5..fbdaff55556b 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -2441,6 +2441,10 @@ static bool radeon_atombios_parse_pplib_clock_info(struct radeon_device *rdev,
 	case ATOM_VIRTUAL_VOLTAGE_ID1:
 	case ATOM_VIRTUAL_VOLTAGE_ID2:
 	case ATOM_VIRTUAL_VOLTAGE_ID3:
+	case ATOM_VIRTUAL_VOLTAGE_ID4:
+	case ATOM_VIRTUAL_VOLTAGE_ID5:
+	case ATOM_VIRTUAL_VOLTAGE_ID6:
+	case ATOM_VIRTUAL_VOLTAGE_ID7:
 		if (radeon_atom_get_max_vddc(rdev, VOLTAGE_TYPE_VDDC,
 					     rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage,
 					     &vddc) == 0)
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index ebbdb477745a..c3e5e119702d 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -852,7 +852,7 @@ static void radeon_pm_resume_old(struct radeon_device *rdev)
 {
 	/* set up the default clocks if the MC ucode is loaded */
 	if ((rdev->family >= CHIP_BARTS) &&
-	    (rdev->family <= CHIP_CAYMAN) &&
+	    (rdev->family <= CHIP_HAINAN) &&
 	    rdev->mc_fw) {
 		if (rdev->pm.default_vddc)
 			radeon_atom_set_voltage(rdev, rdev->pm.default_vddc,
@@ -896,7 +896,7 @@ static void radeon_pm_resume_dpm(struct radeon_device *rdev)
 	if (ret) {
 		DRM_ERROR("radeon: dpm resume failed\n");
 		if ((rdev->family >= CHIP_BARTS) &&
-		    (rdev->family <= CHIP_CAYMAN) &&
+		    (rdev->family <= CHIP_HAINAN) &&
 		    rdev->mc_fw) {
 			if (rdev->pm.default_vddc)
 				radeon_atom_set_voltage(rdev, rdev->pm.default_vddc,
@@ -947,7 +947,7 @@ static int radeon_pm_init_old(struct radeon_device *rdev)
 		radeon_pm_init_profile(rdev);
 		/* set up the default clocks if the MC ucode is loaded */
 		if ((rdev->family >= CHIP_BARTS) &&
-		    (rdev->family <= CHIP_CAYMAN) &&
+		    (rdev->family <= CHIP_HAINAN) &&
 		    rdev->mc_fw) {
 			if (rdev->pm.default_vddc)
 				radeon_atom_set_voltage(rdev, rdev->pm.default_vddc,
@@ -1032,7 +1032,7 @@ static int radeon_pm_init_dpm(struct radeon_device *rdev)
 	if (ret) {
 		rdev->pm.dpm_enabled = false;
 		if ((rdev->family >= CHIP_BARTS) &&
-		    (rdev->family <= CHIP_CAYMAN) &&
+		    (rdev->family <= CHIP_HAINAN) &&
 		    rdev->mc_fw) {
 			if (rdev->pm.default_vddc)
 				radeon_atom_set_voltage(rdev, rdev->pm.default_vddc,
-- 
cgit v1.2.3-58-ga151


From edcaa5b12525f0de79e027ea1ae8a96ee7d785b3 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 5 Jul 2013 11:48:31 -0400
Subject: drm/radeon: add support for 3d perf states on older asics

Certain older rv770 asics have both a performance and
a 3D performance state rather than just multiple performance
levels in the state power state.  The current code would
select the performance state rather than the 3D performance
state when the "performance" profile was selected.  This change
switches to the "balanced" profile by default which ends up being
the internal performance profile.  When the user selects the
"performance" profile, it selects the internal 3D performance
state so the user can select the higher performance modes.

For most asics this changes nothing.  For certain rv770 asics
with static performance and 3D performance states, this allows
you to select between then using by selecting the "balanced"
and "performance" dpm profiles.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/radeon.h    |  1 +
 drivers/gpu/drm/radeon/radeon_pm.c | 17 ++++++++++++++---
 2 files changed, 15 insertions(+), 3 deletions(-)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index f51807f04f65..08cececb376d 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1100,6 +1100,7 @@ enum radeon_pm_state_type {
 	POWER_STATE_TYPE_INTERNAL_THERMAL,
 	POWER_STATE_TYPE_INTERNAL_ACPI,
 	POWER_STATE_TYPE_INTERNAL_ULV,
+	POWER_STATE_TYPE_INTERNAL_3DPERF,
 };
 
 enum radeon_pm_profile_type {
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index c3e5e119702d..aaafb931922f 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -586,11 +586,16 @@ static struct radeon_ps *radeon_dpm_pick_power_state(struct radeon_device *rdev,
 	struct radeon_ps *ps;
 	u32 ui_class;
 
-restart_search:
+	/* certain older asics have a separare 3D performance state,
+	 * so try that first if the user selected performance
+	 */
+	if (dpm_state == POWER_STATE_TYPE_PERFORMANCE)
+		dpm_state = POWER_STATE_TYPE_INTERNAL_3DPERF;
 	/* balanced states don't exist at the moment */
 	if (dpm_state == POWER_STATE_TYPE_BALANCED)
 		dpm_state = POWER_STATE_TYPE_PERFORMANCE;
 
+restart_search:
 	/* Pick the best power state based on current conditions */
 	for (i = 0; i < rdev->pm.dpm.num_ps; i++) {
 		ps = &rdev->pm.dpm.ps[i];
@@ -657,6 +662,10 @@ restart_search:
 			if (ps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV)
 				return ps;
 			break;
+		case POWER_STATE_TYPE_INTERNAL_3DPERF:
+			if (ps->class & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE)
+				return ps;
+			break;
 		default:
 			break;
 		}
@@ -675,6 +684,8 @@ restart_search:
 		dpm_state = POWER_STATE_TYPE_BATTERY;
 		goto restart_search;
 	case POWER_STATE_TYPE_BATTERY:
+	case POWER_STATE_TYPE_BALANCED:
+	case POWER_STATE_TYPE_INTERNAL_3DPERF:
 		dpm_state = POWER_STATE_TYPE_PERFORMANCE;
 		goto restart_search;
 	default:
@@ -1003,8 +1014,8 @@ static int radeon_pm_init_dpm(struct radeon_device *rdev)
 	int ret;
 
 	/* default to performance state */
-	rdev->pm.dpm.state = POWER_STATE_TYPE_PERFORMANCE;
-	rdev->pm.dpm.user_state = POWER_STATE_TYPE_PERFORMANCE;
+	rdev->pm.dpm.state = POWER_STATE_TYPE_BALANCED;
+	rdev->pm.dpm.user_state = POWER_STATE_TYPE_BALANCED;
 	rdev->pm.default_sclk = rdev->clock.default_sclk;
 	rdev->pm.default_mclk = rdev->clock.default_mclk;
 	rdev->pm.current_sclk = rdev->clock.default_sclk;
-- 
cgit v1.2.3-58-ga151


From 67d5ced503db5b44cb82f378c9cb3f0e77a94e7f Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 5 Jul 2013 10:05:49 -0400
Subject: drm/radeon: fix surface setup on r1xx

r1xx asics have a slightly different surface register
setup compared to newer asics.  There is no specific
enable bit for macro tiling, rather, to disable macro
tiling, you need to set the surface pitch to 0.

With this fixed, the special rn50 handling can go.

Noticed-by: Mark Kettenis <mark.kettenis@xs4all.nl>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/r100.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index d0314ecbd7c1..c9affefd79f6 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -3077,6 +3077,10 @@ int r100_set_surface_reg(struct radeon_device *rdev, int reg,
 			flags |= RADEON_SURF_TILE_COLOR_BOTH;
 		if (tiling_flags & RADEON_TILING_MACRO)
 			flags |= RADEON_SURF_TILE_COLOR_MACRO;
+		/* setting pitch to 0 disables tiling */
+		if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
+				== 0)
+			pitch = 0;
 	} else if (rdev->family <= CHIP_RV280) {
 		if (tiling_flags & (RADEON_TILING_MACRO))
 			flags |= R200_SURF_TILE_COLOR_MACRO;
@@ -3094,13 +3098,6 @@ int r100_set_surface_reg(struct radeon_device *rdev, int reg,
 	if (tiling_flags & RADEON_TILING_SWAP_32BIT)
 		flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
 
-	/* when we aren't tiling the pitch seems to needs to be furtherdivided down. - tested on power5 + rn50 server */
-	if (tiling_flags & (RADEON_TILING_SWAP_16BIT | RADEON_TILING_SWAP_32BIT)) {
-		if (!(tiling_flags & (RADEON_TILING_MACRO | RADEON_TILING_MICRO)))
-			if (ASIC_IS_RN50(rdev))
-				pitch /= 16;
-	}
-
 	/* r100/r200 divide by 16 */
 	if (rdev->family < CHIP_R300)
 		flags |= pitch / 16;
-- 
cgit v1.2.3-58-ga151


From 70d01a5ee29fcb23a6b5948227b1aee212922ade Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 2 Jul 2013 18:38:02 -0400
Subject: drm/radeon/dpm: add infrastructure to force performance levels

This allows you to force specific power levels within a power
state.  Due to hardware restrictions between generations, the
interface is limited to the following 3 selections:

auto: all levels enabled
low: forced to the lowest power level
high: forced to the highest power level

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/radeon.h    | 10 ++++++++
 drivers/gpu/drm/radeon/radeon_pm.c | 52 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 08cececb376d..b4681313646c 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1335,6 +1335,12 @@ enum radeon_pcie_gen {
 	RADEON_PCIE_GEN_INVALID = 0xffff
 };
 
+enum radeon_dpm_forced_level {
+	RADEON_DPM_FORCED_LEVEL_AUTO = 0,
+	RADEON_DPM_FORCED_LEVEL_LOW = 1,
+	RADEON_DPM_FORCED_LEVEL_HIGH = 2,
+};
+
 struct radeon_dpm {
 	struct radeon_ps        *ps;
 	/* number of valid power states */
@@ -1374,6 +1380,8 @@ struct radeon_dpm {
 	bool                    uvd_active;
 	/* thermal handling */
 	struct radeon_dpm_thermal thermal;
+	/* forced levels */
+	enum radeon_dpm_forced_level forced_level;
 };
 
 void radeon_dpm_enable_power_state(struct radeon_device *rdev,
@@ -1669,6 +1677,7 @@ struct radeon_asic {
 		u32 (*get_mclk)(struct radeon_device *rdev, bool low);
 		void (*print_power_state)(struct radeon_device *rdev, struct radeon_ps *ps);
 		void (*debugfs_print_current_performance_level)(struct radeon_device *rdev, struct seq_file *m);
+		int (*force_performance_level)(struct radeon_device *rdev, enum radeon_dpm_forced_level level);
 	} dpm;
 	/* pageflipping */
 	struct {
@@ -2436,6 +2445,7 @@ void radeon_ring_write(struct radeon_ring *ring, uint32_t v);
 #define radeon_dpm_get_mclk(rdev, l) rdev->asic->dpm.get_mclk((rdev), (l))
 #define radeon_dpm_print_power_state(rdev, ps) rdev->asic->dpm.print_power_state((rdev), (ps))
 #define radeon_dpm_debugfs_print_current_performance_level(rdev, m) rdev->asic->dpm.debugfs_print_current_performance_level((rdev), (m))
+#define radeon_dpm_force_performance_level(rdev, l) rdev->asic->dpm.force_performance_level((rdev), (l))
 
 /* Common functions */
 /* AGP */
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index aaafb931922f..2557e8bab5cc 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -468,9 +468,57 @@ fail:
 	return count;
 }
 
+static ssize_t radeon_get_dpm_forced_performance_level(struct device *dev,
+						       struct device_attribute *attr,
+						       char *buf)
+{
+	struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
+	struct radeon_device *rdev = ddev->dev_private;
+	enum radeon_dpm_forced_level level = rdev->pm.dpm.forced_level;
+
+	return snprintf(buf, PAGE_SIZE, "%s\n",
+			(level == RADEON_DPM_FORCED_LEVEL_AUTO) ? "auto" :
+			(level == RADEON_DPM_FORCED_LEVEL_LOW) ? "low" : "high");
+}
+
+static ssize_t radeon_set_dpm_forced_performance_level(struct device *dev,
+						       struct device_attribute *attr,
+						       const char *buf,
+						       size_t count)
+{
+	struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
+	struct radeon_device *rdev = ddev->dev_private;
+	enum radeon_dpm_forced_level level;
+	int ret = 0;
+
+	mutex_lock(&rdev->pm.mutex);
+	if (strncmp("low", buf, strlen("low")) == 0) {
+		level = RADEON_DPM_FORCED_LEVEL_LOW;
+	} else if (strncmp("high", buf, strlen("high")) == 0) {
+		level = RADEON_DPM_FORCED_LEVEL_HIGH;
+	} else if (strncmp("auto", buf, strlen("auto")) == 0) {
+		level = RADEON_DPM_FORCED_LEVEL_AUTO;
+	} else {
+		mutex_unlock(&rdev->pm.mutex);
+		count = -EINVAL;
+		goto fail;
+	}
+	if (rdev->asic->dpm.force_performance_level) {
+		ret = radeon_dpm_force_performance_level(rdev, level);
+		if (ret)
+			count = -EINVAL;
+	}
+	mutex_unlock(&rdev->pm.mutex);
+fail:
+	return count;
+}
+
 static DEVICE_ATTR(power_profile, S_IRUGO | S_IWUSR, radeon_get_pm_profile, radeon_set_pm_profile);
 static DEVICE_ATTR(power_method, S_IRUGO | S_IWUSR, radeon_get_pm_method, radeon_set_pm_method);
 static DEVICE_ATTR(power_dpm_state, S_IRUGO | S_IWUSR, radeon_get_dpm_state, radeon_set_dpm_state);
+static DEVICE_ATTR(power_dpm_force_performance_level, S_IRUGO | S_IWUSR,
+		   radeon_get_dpm_forced_performance_level,
+		   radeon_set_dpm_forced_performance_level);
 
 static ssize_t radeon_hwmon_show_temp(struct device *dev,
 				      struct device_attribute *attr,
@@ -1064,6 +1112,9 @@ static int radeon_pm_init_dpm(struct radeon_device *rdev)
 
 	if (rdev->pm.num_power_states > 1) {
 		ret = device_create_file(rdev->dev, &dev_attr_power_dpm_state);
+		if (ret)
+			DRM_ERROR("failed to create device file for dpm state\n");
+		ret = device_create_file(rdev->dev, &dev_attr_power_dpm_force_performance_level);
 		if (ret)
 			DRM_ERROR("failed to create device file for dpm state\n");
 		/* XXX: these are noops for dpm but are here for backwards compat */
@@ -1170,6 +1221,7 @@ static void radeon_pm_fini_dpm(struct radeon_device *rdev)
 		mutex_unlock(&rdev->pm.mutex);
 
 		device_remove_file(rdev->dev, &dev_attr_power_dpm_state);
+		device_remove_file(rdev->dev, &dev_attr_power_dpm_force_performance_level);
 		/* XXX backwards compat */
 		device_remove_file(rdev->dev, &dev_attr_power_profile);
 		device_remove_file(rdev->dev, &dev_attr_power_method);
-- 
cgit v1.2.3-58-ga151


From 8b5e6b7f0ec81f237d87cf9632309db9481c6fb5 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 2 Jul 2013 18:40:35 -0400
Subject: drm/radeon/dpm: implement force performance levels for 7xx/eg/btc

Allows you to limit the selected power levels via sysfs.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/btc_dpm.c     |  4 ++--
 drivers/gpu/drm/radeon/cypress_dpm.c |  4 ++--
 drivers/gpu/drm/radeon/ppsmc.h       |  2 ++
 drivers/gpu/drm/radeon/radeon_asic.c |  3 +++
 drivers/gpu/drm/radeon/radeon_asic.h |  2 ++
 drivers/gpu/drm/radeon/rv770_dpm.c   | 31 ++++++++++++++++++++++++-------
 drivers/gpu/drm/radeon/rv770_dpm.h   |  3 ++-
 7 files changed, 37 insertions(+), 12 deletions(-)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c
index f072660c7665..91567448c55d 100644
--- a/drivers/gpu/drm/radeon/btc_dpm.c
+++ b/drivers/gpu/drm/radeon/btc_dpm.c
@@ -2326,9 +2326,9 @@ int btc_dpm_set_power_state(struct radeon_device *rdev)
 		return ret;
 	}
 
-	ret = rv770_unrestrict_performance_levels_after_switch(rdev);
+	ret = rv770_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO);
 	if (ret) {
-		DRM_ERROR("rv770_unrestrict_performance_levels_after_switch failed\n");
+		DRM_ERROR("rv770_dpm_force_performance_level failed\n");
 		return ret;
 	}
 
diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c
index 5ada922e5cec..9ef840807dd1 100644
--- a/drivers/gpu/drm/radeon/cypress_dpm.c
+++ b/drivers/gpu/drm/radeon/cypress_dpm.c
@@ -2014,9 +2014,9 @@ int cypress_dpm_set_power_state(struct radeon_device *rdev)
 	if (eg_pi->pcie_performance_request)
 		cypress_notify_link_speed_change_after_state_change(rdev, new_ps, old_ps);
 
-	ret = rv770_unrestrict_performance_levels_after_switch(rdev);
+	ret = rv770_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO);
 	if (ret) {
-		DRM_ERROR("rv770_unrestrict_performance_levels_after_switch failed\n");
+		DRM_ERROR("rv770_dpm_force_performance_level failed\n");
 		return ret;
 	}
 
diff --git a/drivers/gpu/drm/radeon/ppsmc.h b/drivers/gpu/drm/radeon/ppsmc.h
index 8fb1113a8fd7..fc71ca6b04ca 100644
--- a/drivers/gpu/drm/radeon/ppsmc.h
+++ b/drivers/gpu/drm/radeon/ppsmc.h
@@ -71,6 +71,8 @@ typedef uint8_t PPSMC_Result;
 #define PPSMC_MSG_SwitchToSwState           ((uint8_t)0x20)
 #define PPSMC_MSG_SwitchToInitialState      ((uint8_t)0x40)
 #define PPSMC_MSG_NoForcedLevel             ((uint8_t)0x41)
+#define PPSMC_MSG_ForceHigh                 ((uint8_t)0x42)
+#define PPSMC_MSG_ForceMediumOrHigh         ((uint8_t)0x43)
 #define PPSMC_MSG_SwitchToMinimumPower      ((uint8_t)0x51)
 #define PPSMC_MSG_ResumeFromMinimumPower    ((uint8_t)0x52)
 #define PPSMC_MSG_EnableCac                 ((uint8_t)0x53)
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index a5b244dc50ca..221a0b31e649 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1393,6 +1393,7 @@ static struct radeon_asic rv770_asic = {
 		.get_mclk = &rv770_dpm_get_mclk,
 		.print_power_state = &rv770_dpm_print_power_state,
 		.debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level,
+		.force_performance_level = &rv770_dpm_force_performance_level,
 	},
 	.pflip = {
 		.pre_page_flip = &rs600_pre_page_flip,
@@ -1516,6 +1517,7 @@ static struct radeon_asic evergreen_asic = {
 		.get_mclk = &rv770_dpm_get_mclk,
 		.print_power_state = &rv770_dpm_print_power_state,
 		.debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level,
+		.force_performance_level = &rv770_dpm_force_performance_level,
 	},
 	.pflip = {
 		.pre_page_flip = &evergreen_pre_page_flip,
@@ -1762,6 +1764,7 @@ static struct radeon_asic btc_asic = {
 		.get_mclk = &btc_dpm_get_mclk,
 		.print_power_state = &rv770_dpm_print_power_state,
 		.debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level,
+		.force_performance_level = &rv770_dpm_force_performance_level,
 	},
 	.pflip = {
 		.pre_page_flip = &evergreen_pre_page_flip,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 6822c7aeacaa..a053dc1e7866 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -478,6 +478,8 @@ void rv770_dpm_print_power_state(struct radeon_device *rdev,
 				 struct radeon_ps *ps);
 void rv770_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
 						       struct seq_file *m);
+int rv770_dpm_force_performance_level(struct radeon_device *rdev,
+				      enum radeon_dpm_forced_level level);
 
 /*
  * evergreen
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index 9af464d48eaa..c3025de4f4e2 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -1471,14 +1471,30 @@ int rv770_restrict_performance_levels_before_switch(struct radeon_device *rdev)
 	return 0;
 }
 
-int rv770_unrestrict_performance_levels_after_switch(struct radeon_device *rdev)
-{
-	if (rv770_send_msg_to_smc(rdev, (PPSMC_Msg)(PPSMC_MSG_NoForcedLevel)) != PPSMC_Result_OK)
-		return -EINVAL;
+int rv770_dpm_force_performance_level(struct radeon_device *rdev,
+				      enum radeon_dpm_forced_level level)
+{
+	PPSMC_Msg msg;
+
+	if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
+		if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_ZeroLevelsDisabled) != PPSMC_Result_OK)
+			return -EINVAL;
+		msg = PPSMC_MSG_ForceHigh;
+	} else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
+		if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_NoForcedLevel) != PPSMC_Result_OK)
+			return -EINVAL;
+		msg = (PPSMC_Msg)(PPSMC_MSG_TwoLevelsDisabled);
+	} else {
+		if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_NoForcedLevel) != PPSMC_Result_OK)
+			return -EINVAL;
+		msg = (PPSMC_Msg)(PPSMC_MSG_ZeroLevelsDisabled);
+	}
 
-	if (rv770_send_msg_to_smc(rdev, (PPSMC_Msg)(PPSMC_MSG_ZeroLevelsDisabled)) != PPSMC_Result_OK)
+	if (rv770_send_msg_to_smc(rdev, msg) != PPSMC_Result_OK)
 		return -EINVAL;
 
+	rdev->pm.dpm.forced_level = level;
+
 	return 0;
 }
 
@@ -2047,9 +2063,10 @@ int rv770_dpm_set_power_state(struct radeon_device *rdev)
 	if (pi->dcodt)
 		rv770_program_dcodt_after_state_switch(rdev, new_ps, old_ps);
 	rv770_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
-	ret = rv770_unrestrict_performance_levels_after_switch(rdev);
+
+	ret = rv770_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO);
 	if (ret) {
-		DRM_ERROR("rv770_unrestrict_performance_levels_after_switch failed\n");
+		DRM_ERROR("rv770_dpm_force_performance_level failed\n");
 		return ret;
 	}
 
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.h b/drivers/gpu/drm/radeon/rv770_dpm.h
index f1e1fcf7f622..96b1b2a62a8a 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.h
+++ b/drivers/gpu/drm/radeon/rv770_dpm.h
@@ -262,7 +262,8 @@ void rv770_stop_dpm(struct radeon_device *rdev);
 void r7xx_stop_smc(struct radeon_device *rdev);
 void rv770_reset_smio_status(struct radeon_device *rdev);
 int rv770_restrict_performance_levels_before_switch(struct radeon_device *rdev);
-int rv770_unrestrict_performance_levels_after_switch(struct radeon_device *rdev);
+int rv770_dpm_force_performance_level(struct radeon_device *rdev,
+				      enum radeon_dpm_forced_level level);
 int rv770_halt_smc(struct radeon_device *rdev);
 int rv770_resume_smc(struct radeon_device *rdev);
 int rv770_set_sw_state(struct radeon_device *rdev);
-- 
cgit v1.2.3-58-ga151


From 170a47f010182152bed6f44f3878dd0423df2b78 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 2 Jul 2013 18:43:53 -0400
Subject: drm/radeon/dpm: implement force performance level for cayman

Allows you to force a performance level via sysfs.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/ni_dpm.c      | 38 +++++++++++++++++++++++++++++-------
 drivers/gpu/drm/radeon/radeon_asic.c |  1 +
 drivers/gpu/drm/radeon/radeon_asic.h |  2 ++
 3 files changed, 34 insertions(+), 7 deletions(-)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
index a4cb99c2da85..bd96eaa3f015 100644
--- a/drivers/gpu/drm/radeon/ni_dpm.c
+++ b/drivers/gpu/drm/radeon/ni_dpm.c
@@ -1037,13 +1037,37 @@ static int ni_restrict_performance_levels_before_switch(struct radeon_device *rd
 		0 : -EINVAL;
 }
 
-static int ni_unrestrict_performance_levels_after_switch(struct radeon_device *rdev)
+int ni_dpm_force_performance_level(struct radeon_device *rdev,
+				   enum radeon_dpm_forced_level level)
 {
-	if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
-		return -EINVAL;
+	struct radeon_ps *rps = rdev->pm.dpm.current_ps;
+	struct ni_ps *ps = ni_get_ps(rps);
+	u32 levels;
 
-	return (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) == PPSMC_Result_OK) ?
-		0 : -EINVAL;
+	if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
+		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK)
+			return -EINVAL;
+
+		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 1) != PPSMC_Result_OK)
+			return -EINVAL;
+	} else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
+		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
+			return -EINVAL;
+
+		levels = ps->performance_level_count - 1;
+		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, levels) != PPSMC_Result_OK)
+			return -EINVAL;
+	} else if (level == RADEON_DPM_FORCED_LEVEL_AUTO) {
+		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
+			return -EINVAL;
+
+		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK)
+			return -EINVAL;
+	}
+
+	rdev->pm.dpm.forced_level = level;
+
+	return 0;
 }
 
 static void ni_stop_smc(struct radeon_device *rdev)
@@ -3831,9 +3855,9 @@ int ni_dpm_set_power_state(struct radeon_device *rdev)
 		return ret;
 	}
 
-	ret = ni_unrestrict_performance_levels_after_switch(rdev);
+	ret = ni_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO);
 	if (ret) {
-		DRM_ERROR("ni_unrestrict_performance_levels_after_switch failed\n");
+		DRM_ERROR("ni_dpm_force_performance_level failed\n");
 		return ret;
 	}
 
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 221a0b31e649..9c1b7b1c0268 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1940,6 +1940,7 @@ static struct radeon_asic cayman_asic = {
 		.get_mclk = &ni_dpm_get_mclk,
 		.print_power_state = &ni_dpm_print_power_state,
 		.debugfs_print_current_performance_level = &ni_dpm_debugfs_print_current_performance_level,
+		.force_performance_level = &ni_dpm_force_performance_level,
 	},
 	.pflip = {
 		.pre_page_flip = &evergreen_pre_page_flip,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index a053dc1e7866..2bacc777d549 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -617,6 +617,8 @@ void ni_dpm_print_power_state(struct radeon_device *rdev,
 			      struct radeon_ps *ps);
 void ni_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
 						    struct seq_file *m);
+int ni_dpm_force_performance_level(struct radeon_device *rdev,
+				   enum radeon_dpm_forced_level level);
 int trinity_dpm_init(struct radeon_device *rdev);
 int trinity_dpm_enable(struct radeon_device *rdev);
 void trinity_dpm_disable(struct radeon_device *rdev);
-- 
cgit v1.2.3-58-ga151


From a160a6a3367611351624fca06838000b02aae2c7 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 2 Jul 2013 18:46:28 -0400
Subject: drm/radeon/dpm: implement force performance level for SI

Allows you to force the selected performance level via sysfs.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/radeon_asic.c |  1 +
 drivers/gpu/drm/radeon/radeon_asic.h |  2 ++
 drivers/gpu/drm/radeon/si_dpm.c      | 42 ++++++++++++++++++++++++++++--------
 3 files changed, 36 insertions(+), 9 deletions(-)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 9c1b7b1c0268..6ec4831fdb58 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -2287,6 +2287,7 @@ static struct radeon_asic si_asic = {
 		.get_mclk = &ni_dpm_get_mclk,
 		.print_power_state = &ni_dpm_print_power_state,
 		.debugfs_print_current_performance_level = &si_dpm_debugfs_print_current_performance_level,
+		.force_performance_level = &si_dpm_force_performance_level,
 	},
 	.pflip = {
 		.pre_page_flip = &evergreen_pre_page_flip,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 2bacc777d549..7efa51a13b3c 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -683,6 +683,8 @@ void si_dpm_fini(struct radeon_device *rdev);
 void si_dpm_display_configuration_changed(struct radeon_device *rdev);
 void si_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
 						    struct seq_file *m);
+int si_dpm_force_performance_level(struct radeon_device *rdev,
+				   enum radeon_dpm_forced_level level);
 
 /* DCE8 - CIK */
 void dce8_bandwidth_update(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index a7e97cd05e96..700a167be369 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -3231,16 +3231,38 @@ static int si_restrict_performance_levels_before_switch(struct radeon_device *rd
 		0 : -EINVAL;
 }
 
-#if 0
-static int si_unrestrict_performance_levels_after_switch(struct radeon_device *rdev)
+int si_dpm_force_performance_level(struct radeon_device *rdev,
+				   enum radeon_dpm_forced_level level)
 {
-	if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
-		return -EINVAL;
+	struct radeon_ps *rps = rdev->pm.dpm.current_ps;
+	struct ni_ps *ps = ni_get_ps(rps);
+	u32 levels;
 
-	return (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) == PPSMC_Result_OK) ?
-		0 : -EINVAL;
+	if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
+		if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK)
+			return -EINVAL;
+
+		if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 1) != PPSMC_Result_OK)
+			return -EINVAL;
+	} else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
+		if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
+			return -EINVAL;
+
+		levels = ps->performance_level_count - 1;
+		if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, levels) != PPSMC_Result_OK)
+			return -EINVAL;
+	} else if (level == RADEON_DPM_FORCED_LEVEL_AUTO) {
+		if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
+			return -EINVAL;
+
+		if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK)
+			return -EINVAL;
+	}
+
+	rdev->pm.dpm.forced_level = level;
+
+	return 0;
 }
-#endif
 
 static int si_set_boot_state(struct radeon_device *rdev)
 {
@@ -5992,11 +6014,13 @@ int si_dpm_set_power_state(struct radeon_device *rdev)
 
 #if 0
 	/* XXX */
-	ret = si_unrestrict_performance_levels_after_switch(rdev);
+	ret = si_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO);
 	if (ret) {
-		DRM_ERROR("si_unrestrict_performance_levels_after_switch failed\n");
+		DRM_ERROR("si_dpm_force_performance_level failed\n");
 		return ret;
 	}
+#else
+	rdev->pm.dpm.forced_level = RADEON_DPM_FORCED_LEVEL_AUTO;
 #endif
 
 	return 0;
-- 
cgit v1.2.3-58-ga151


From 5d5e559193afd516daae9816e892bf2d97be0988 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 2 Jul 2013 18:50:09 -0400
Subject: drm/radeon/dpm: implement force performance level for ON/LN

Allows you to force the selected performance level via sysfs.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/radeon_asic.c |  1 +
 drivers/gpu/drm/radeon/radeon_asic.h |  2 ++
 drivers/gpu/drm/radeon/sumo_dpm.c    | 44 ++++++++++++++++++++++++++++++++++++
 3 files changed, 47 insertions(+)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 6ec4831fdb58..5d592aed1ee9 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1641,6 +1641,7 @@ static struct radeon_asic sumo_asic = {
 		.get_mclk = &sumo_dpm_get_mclk,
 		.print_power_state = &sumo_dpm_print_power_state,
 		.debugfs_print_current_performance_level = &sumo_dpm_debugfs_print_current_performance_level,
+		.force_performance_level = &sumo_dpm_force_performance_level,
 	},
 	.pflip = {
 		.pre_page_flip = &evergreen_pre_page_flip,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 7efa51a13b3c..1a89b3af04f3 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -569,6 +569,8 @@ void sumo_dpm_print_power_state(struct radeon_device *rdev,
 				struct radeon_ps *ps);
 void sumo_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
 						      struct seq_file *m);
+int sumo_dpm_force_performance_level(struct radeon_device *rdev,
+				     enum radeon_dpm_forced_level level);
 
 /*
  * cayman
diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c
index dc599060a9a4..11b6b9924f1b 100644
--- a/drivers/gpu/drm/radeon/sumo_dpm.c
+++ b/drivers/gpu/drm/radeon/sumo_dpm.c
@@ -1319,6 +1319,8 @@ int sumo_dpm_set_power_state(struct radeon_device *rdev)
 	if (pi->enable_dpm)
 		sumo_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
 
+	rdev->pm.dpm.forced_level = RADEON_DPM_FORCED_LEVEL_AUTO;
+
 	return 0;
 }
 
@@ -1830,3 +1832,45 @@ u32 sumo_dpm_get_mclk(struct radeon_device *rdev, bool low)
 
 	return pi->sys_info.bootup_uma_clk;
 }
+
+int sumo_dpm_force_performance_level(struct radeon_device *rdev,
+				     enum radeon_dpm_forced_level level)
+{
+	struct sumo_power_info *pi = sumo_get_pi(rdev);
+	struct radeon_ps *rps = &pi->current_rps;
+	struct sumo_ps *ps = sumo_get_ps(rps);
+	int i;
+
+	if (ps->num_levels <= 1)
+		return 0;
+
+	if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
+		sumo_power_level_enable(rdev, ps->num_levels - 1, true);
+		sumo_set_forced_level(rdev, ps->num_levels - 1);
+		sumo_set_forced_mode_enabled(rdev);
+		for (i = 0; i < ps->num_levels - 1; i++) {
+			sumo_power_level_enable(rdev, i, false);
+		}
+		sumo_set_forced_mode(rdev, false);
+		sumo_set_forced_mode_enabled(rdev);
+		sumo_set_forced_mode(rdev, false);
+	} else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
+		sumo_power_level_enable(rdev, 0, true);
+		sumo_set_forced_level(rdev, 0);
+		sumo_set_forced_mode_enabled(rdev);
+		for (i = 1; i < ps->num_levels; i++) {
+			sumo_power_level_enable(rdev, i, false);
+		}
+		sumo_set_forced_mode(rdev, false);
+		sumo_set_forced_mode_enabled(rdev);
+		sumo_set_forced_mode(rdev, false);
+	} else {
+		for (i = 0; i < ps->num_levels; i++) {
+			sumo_power_level_enable(rdev, i, true);
+		}
+	}
+
+	rdev->pm.dpm.forced_level = level;
+
+	return 0;
+}
-- 
cgit v1.2.3-58-ga151


From 9b5de59629d2e58eab41e2f0e5cc60b3c395f1c3 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 2 Jul 2013 18:52:10 -0400
Subject: drm/radeon/dpm: implement force performance level for TN

Allows you to force the selected performance level via sysfs.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/ppsmc.h       |  1 +
 drivers/gpu/drm/radeon/radeon_asic.c |  1 +
 drivers/gpu/drm/radeon/radeon_asic.h |  2 ++
 drivers/gpu/drm/radeon/trinity_dpm.c | 32 ++++++++++++++++++++++++++++++++
 drivers/gpu/drm/radeon/trinity_dpm.h |  1 +
 drivers/gpu/drm/radeon/trinity_smc.c |  7 +++++++
 6 files changed, 44 insertions(+)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/ppsmc.h b/drivers/gpu/drm/radeon/ppsmc.h
index fc71ca6b04ca..b5564a3645d2 100644
--- a/drivers/gpu/drm/radeon/ppsmc.h
+++ b/drivers/gpu/drm/radeon/ppsmc.h
@@ -103,6 +103,7 @@ typedef uint8_t PPSMC_Result;
 #define PPSMC_MSG_DPM_Config                ((uint32_t) 0x102)
 #define PPSMC_MSG_DPM_ForceState            ((uint32_t) 0x104)
 #define PPSMC_MSG_PG_SIMD_Config            ((uint32_t) 0x108)
+#define PPSMC_MSG_DPM_N_LevelsDisabled      ((uint32_t) 0x112)
 #define PPSMC_MSG_DCE_RemoveVoltageAdjustment   ((uint32_t) 0x11d)
 #define PPSMC_MSG_DCE_AllowVoltageAdjustment    ((uint32_t) 0x11e)
 #define PPSMC_MSG_UVD_DPM_Config            ((uint32_t) 0x124)
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 5d592aed1ee9..a6906d4ca734 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -2115,6 +2115,7 @@ static struct radeon_asic trinity_asic = {
 		.get_mclk = &trinity_dpm_get_mclk,
 		.print_power_state = &trinity_dpm_print_power_state,
 		.debugfs_print_current_performance_level = &trinity_dpm_debugfs_print_current_performance_level,
+		.force_performance_level = &trinity_dpm_force_performance_level,
 	},
 	.pflip = {
 		.pre_page_flip = &evergreen_pre_page_flip,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 1a89b3af04f3..4456f85a932e 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -636,6 +636,8 @@ void trinity_dpm_print_power_state(struct radeon_device *rdev,
 				   struct radeon_ps *ps);
 void trinity_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
 							 struct seq_file *m);
+int trinity_dpm_force_performance_level(struct radeon_device *rdev,
+					enum radeon_dpm_forced_level level);
 
 /* DCE6 - SI */
 void dce6_bandwidth_update(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c
index 8a32bcc6bbb5..a1eb5f59939f 100644
--- a/drivers/gpu/drm/radeon/trinity_dpm.c
+++ b/drivers/gpu/drm/radeon/trinity_dpm.c
@@ -1158,6 +1158,37 @@ static void trinity_setup_nbp_sim(struct radeon_device *rdev,
 	}
 }
 
+int trinity_dpm_force_performance_level(struct radeon_device *rdev,
+					enum radeon_dpm_forced_level level)
+{
+	struct trinity_power_info *pi = trinity_get_pi(rdev);
+	struct radeon_ps *rps = &pi->current_rps;
+	struct trinity_ps *ps = trinity_get_ps(rps);
+	int i, ret;
+
+	if (ps->num_levels <= 1)
+		return 0;
+
+	if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
+		/* not supported by the hw */
+		return -EINVAL;
+	} else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
+		ret = trinity_dpm_n_levels_disabled(rdev, ps->num_levels - 1);
+		if (ret)
+			return ret;
+	} else {
+		for (i = 0; i < ps->num_levels; i++) {
+			ret = trinity_dpm_n_levels_disabled(rdev, 0);
+			if (ret)
+				return ret;
+		}
+	}
+
+	rdev->pm.dpm.forced_level = level;
+
+	return 0;
+}
+
 int trinity_dpm_pre_set_power_state(struct radeon_device *rdev)
 {
 	struct trinity_power_info *pi = trinity_get_pi(rdev);
@@ -1190,6 +1221,7 @@ int trinity_dpm_set_power_state(struct radeon_device *rdev)
 		trinity_force_level_0(rdev);
 		trinity_unforce_levels(rdev);
 		trinity_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
+		rdev->pm.dpm.forced_level = RADEON_DPM_FORCED_LEVEL_AUTO;
 	}
 	trinity_release_mutex(rdev);
 
diff --git a/drivers/gpu/drm/radeon/trinity_dpm.h b/drivers/gpu/drm/radeon/trinity_dpm.h
index c621b843aab5..e82df071f8b3 100644
--- a/drivers/gpu/drm/radeon/trinity_dpm.h
+++ b/drivers/gpu/drm/radeon/trinity_dpm.h
@@ -121,6 +121,7 @@ struct trinity_power_info {
 int trinity_dpm_config(struct radeon_device *rdev, bool enable);
 int trinity_uvd_dpm_config(struct radeon_device *rdev);
 int trinity_dpm_force_state(struct radeon_device *rdev, u32 n);
+int trinity_dpm_n_levels_disabled(struct radeon_device *rdev, u32 n);
 int trinity_dpm_no_forced_level(struct radeon_device *rdev);
 int trinity_dce_enable_voltage_adjustment(struct radeon_device *rdev,
 					  bool enable);
diff --git a/drivers/gpu/drm/radeon/trinity_smc.c b/drivers/gpu/drm/radeon/trinity_smc.c
index 85f86a29513c..a42d89f1830c 100644
--- a/drivers/gpu/drm/radeon/trinity_smc.c
+++ b/drivers/gpu/drm/radeon/trinity_smc.c
@@ -73,6 +73,13 @@ int trinity_dpm_force_state(struct radeon_device *rdev, u32 n)
 	return trinity_notify_message_to_smu(rdev, PPSMC_MSG_DPM_ForceState);
 }
 
+int trinity_dpm_n_levels_disabled(struct radeon_device *rdev, u32 n)
+{
+	WREG32_SMC(SMU_SCRATCH0, n);
+
+	return trinity_notify_message_to_smu(rdev, PPSMC_MSG_DPM_N_LevelsDisabled);
+}
+
 int trinity_uvd_dpm_config(struct radeon_device *rdev)
 {
 	return trinity_notify_message_to_smu(rdev, PPSMC_MSG_UVD_DPM_Config);
-- 
cgit v1.2.3-58-ga151


From 222dc9a072e27b5069a7c03738e360eafdc2fdf5 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 8 Jul 2013 17:20:13 -0400
Subject: drm/radeon/dpm: fix display_gap programming on rv7xx

Check the driver state rather than the register as the
crtc registers may not be enabled yet.

Should fix:
https://bugzilla.kernel.org/show_bug.cgi?id=60510
https://bugs.freedesktop.org/show_bug.cgi?id=66651

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/rv770_dpm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index c3025de4f4e2..4de50c811879 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -1341,10 +1341,10 @@ static void rv770_program_display_gap(struct radeon_device *rdev)
 	u32 tmp = RREG32(CG_DISPLAY_GAP_CNTL);
 
 	tmp &= ~(DISP1_GAP_MCHG_MASK | DISP2_GAP_MCHG_MASK);
-	if (RREG32(AVIVO_D1CRTC_CONTROL) & AVIVO_CRTC_EN) {
+	if (rdev->pm.dpm.new_active_crtcs & 1) {
 		tmp |= DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK);
 		tmp |= DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
-	} else if (RREG32(AVIVO_D2CRTC_CONTROL) & AVIVO_CRTC_EN) {
+	} else if (rdev->pm.dpm.new_active_crtcs & 2) {
 		tmp |= DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
 		tmp |= DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK);
 	} else {
-- 
cgit v1.2.3-58-ga151


From 7e1f3c0419b0be9f20e08848ab23221a6dc3d77e Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 8 Jul 2013 17:14:51 -0400
Subject: drm/radeon: remove stray line in old pm code

Looks like a remnant from an old rebase.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 1 -
 1 file changed, 1 deletion(-)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 2557e8bab5cc..b163102eccd4 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -1251,7 +1251,6 @@ static void radeon_pm_compute_clocks_old(struct radeon_device *rdev)
 	if (rdev->pm.num_power_states < 2)
 		return;
 
-	INIT_WORK(&rdev->pm.dpm.thermal.work, radeon_dpm_thermal_work_handler);
 	mutex_lock(&rdev->pm.mutex);
 
 	rdev->pm.active_crtcs = 0;
-- 
cgit v1.2.3-58-ga151


From 66edc1c95d75d66b11f1d2e2332c0c27b3f89a77 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 8 Jul 2013 11:26:42 -0400
Subject: drm/radeon/dpm: add helper to calculate vblank time

Required for checking vblank time for mclk changes.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/atombios_crtc.c |  3 +++
 drivers/gpu/drm/radeon/r600_dpm.c      | 24 ++++++++++++++++++++++++
 drivers/gpu/drm/radeon/r600_dpm.h      |  1 +
 drivers/gpu/drm/radeon/radeon_mode.h   |  1 +
 4 files changed, 29 insertions(+)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index c7ad4b930850..b9d3b43f19c0 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1841,6 +1841,9 @@ int atombios_crtc_mode_set(struct drm_crtc *crtc,
 	atombios_crtc_set_base(crtc, x, y, old_fb);
 	atombios_overscan_setup(crtc, mode, adjusted_mode);
 	atombios_scaler_setup(crtc);
+	/* update the hw version fpr dpm */
+	radeon_crtc->hw_mode = *adjusted_mode;
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c
index 76368c04f809..b88f54b134ab 100644
--- a/drivers/gpu/drm/radeon/r600_dpm.c
+++ b/drivers/gpu/drm/radeon/r600_dpm.c
@@ -150,6 +150,30 @@ void r600_dpm_print_ps_status(struct radeon_device *rdev,
 	printk("\n");
 }
 
+u32 r600_dpm_get_vblank_time(struct radeon_device *rdev)
+{
+	struct drm_device *dev = rdev->ddev;
+	struct drm_crtc *crtc;
+	struct radeon_crtc *radeon_crtc;
+	u32 line_time_us, vblank_lines;
+	u32 vblank_time_us = 0xffffffff; /* if the displays are off, vblank time is max */
+
+	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+		radeon_crtc = to_radeon_crtc(crtc);
+		if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
+			line_time_us = (radeon_crtc->hw_mode.crtc_htotal * 1000) /
+				radeon_crtc->hw_mode.clock;
+			vblank_lines = radeon_crtc->hw_mode.crtc_vblank_end -
+				radeon_crtc->hw_mode.crtc_vdisplay +
+				(radeon_crtc->v_border * 2);
+			vblank_time_us = vblank_lines * line_time_us;
+			break;
+		}
+	}
+
+	return vblank_time_us;
+}
+
 void r600_calculate_u_and_p(u32 i, u32 r_c, u32 p_b,
 			    u32 *p, u32 *u)
 {
diff --git a/drivers/gpu/drm/radeon/r600_dpm.h b/drivers/gpu/drm/radeon/r600_dpm.h
index a95ab214289b..7c822d9ae53d 100644
--- a/drivers/gpu/drm/radeon/r600_dpm.h
+++ b/drivers/gpu/drm/radeon/r600_dpm.h
@@ -129,6 +129,7 @@ void r600_dpm_print_class_info(u32 class, u32 class2);
 void r600_dpm_print_cap_info(u32 caps);
 void r600_dpm_print_ps_status(struct radeon_device *rdev,
 			      struct radeon_ps *rps);
+u32 r600_dpm_get_vblank_time(struct radeon_device *rdev);
 bool r600_is_uvd_state(u32 class, u32 class2);
 void r600_calculate_u_and_p(u32 i, u32 r_c, u32 p_b,
 			    u32 *p, u32 *u);
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index b568cb19a7fa..8296632a4235 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -335,6 +335,7 @@ struct radeon_crtc {
 	u32 line_time;
 	u32 wm_low;
 	u32 wm_high;
+	struct drm_display_mode hw_mode;
 };
 
 struct radeon_encoder_primary_dac {
-- 
cgit v1.2.3-58-ga151


From 48783069350a2963e97696a3c3ed0a40cbe35210 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 8 Jul 2013 11:35:06 -0400
Subject: drm/radeon/dpm: add checks against vblank time

If the vblank time is too short to adjust mclk,
assume multiple displays (no mclk adjustments).

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/radeon.h    |  2 ++
 drivers/gpu/drm/radeon/radeon_pm.c | 14 +++++++++++---
 2 files changed, 13 insertions(+), 3 deletions(-)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index b4681313646c..9b7025d02cd0 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1678,6 +1678,7 @@ struct radeon_asic {
 		void (*print_power_state)(struct radeon_device *rdev, struct radeon_ps *ps);
 		void (*debugfs_print_current_performance_level)(struct radeon_device *rdev, struct seq_file *m);
 		int (*force_performance_level)(struct radeon_device *rdev, enum radeon_dpm_forced_level level);
+		bool (*vblank_too_short)(struct radeon_device *rdev);
 	} dpm;
 	/* pageflipping */
 	struct {
@@ -2446,6 +2447,7 @@ void radeon_ring_write(struct radeon_ring *ring, uint32_t v);
 #define radeon_dpm_print_power_state(rdev, ps) rdev->asic->dpm.print_power_state((rdev), (ps))
 #define radeon_dpm_debugfs_print_current_performance_level(rdev, m) rdev->asic->dpm.debugfs_print_current_performance_level((rdev), (m))
 #define radeon_dpm_force_performance_level(rdev, l) rdev->asic->dpm.force_performance_level((rdev), (l))
+#define radeon_dpm_vblank_too_short(rdev) rdev->asic->dpm.vblank_too_short((rdev))
 
 /* Common functions */
 /* AGP */
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index b163102eccd4..f374c467aaca 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -633,6 +633,14 @@ static struct radeon_ps *radeon_dpm_pick_power_state(struct radeon_device *rdev,
 	int i;
 	struct radeon_ps *ps;
 	u32 ui_class;
+	bool single_display = (rdev->pm.dpm.new_active_crtc_count < 2) ?
+		true : false;
+
+	/* check if the vblank period is too short to adjust the mclk */
+	if (single_display && rdev->asic->dpm.vblank_too_short) {
+		if (radeon_dpm_vblank_too_short(rdev))
+			single_display = false;
+	}
 
 	/* certain older asics have a separare 3D performance state,
 	 * so try that first if the user selected performance
@@ -653,7 +661,7 @@ restart_search:
 		case POWER_STATE_TYPE_BATTERY:
 			if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY) {
 				if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) {
-					if (rdev->pm.dpm.new_active_crtc_count < 2)
+					if (single_display)
 						return ps;
 				} else
 					return ps;
@@ -662,7 +670,7 @@ restart_search:
 		case POWER_STATE_TYPE_BALANCED:
 			if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BALANCED) {
 				if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) {
-					if (rdev->pm.dpm.new_active_crtc_count < 2)
+					if (single_display)
 						return ps;
 				} else
 					return ps;
@@ -671,7 +679,7 @@ restart_search:
 		case POWER_STATE_TYPE_PERFORMANCE:
 			if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) {
 				if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) {
-					if (rdev->pm.dpm.new_active_crtc_count < 2)
+					if (single_display)
 						return ps;
 				} else
 					return ps;
-- 
cgit v1.2.3-58-ga151


From b06195d9943d561273939e866b4bfc87beba18bc Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 8 Jul 2013 11:49:48 -0400
Subject: drm/radeon/dpm: implement vblank_too_short callback for 7xx

Check if we can switch the mclk during the vblank time otherwise
we may get artifacts on the screen when the mclk changes.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/radeon_asic.c |  1 +
 drivers/gpu/drm/radeon/radeon_asic.h |  1 +
 drivers/gpu/drm/radeon/rv770_dpm.c   | 11 +++++++++++
 3 files changed, 13 insertions(+)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index a6906d4ca734..c3b2f9605f6d 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1394,6 +1394,7 @@ static struct radeon_asic rv770_asic = {
 		.print_power_state = &rv770_dpm_print_power_state,
 		.debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level,
 		.force_performance_level = &rv770_dpm_force_performance_level,
+		.vblank_too_short = &rv770_dpm_vblank_too_short,
 	},
 	.pflip = {
 		.pre_page_flip = &rs600_pre_page_flip,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 4456f85a932e..ca219e9fc2b4 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -480,6 +480,7 @@ void rv770_dpm_debugfs_print_current_performance_level(struct radeon_device *rde
 						       struct seq_file *m);
 int rv770_dpm_force_performance_level(struct radeon_device *rdev,
 				      enum radeon_dpm_forced_level level);
+bool rv770_dpm_vblank_too_short(struct radeon_device *rdev);
 
 /*
  * evergreen
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index 4de50c811879..d914e04ea39a 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -2508,3 +2508,14 @@ u32 rv770_dpm_get_mclk(struct radeon_device *rdev, bool low)
 	else
 		return requested_state->high.mclk;
 }
+
+bool rv770_dpm_vblank_too_short(struct radeon_device *rdev)
+{
+	u32 vblank_time = r600_dpm_get_vblank_time(rdev);
+
+	if (vblank_time < 300)
+		return true;
+	else
+		return false;
+
+}
-- 
cgit v1.2.3-58-ga151


From d0b54bdc93b4e0aaeed6313b4515aff391aae827 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 8 Jul 2013 11:56:09 -0400
Subject: drm/radeon/dpm: implement vblank_too_short callback for evergreen

Check if we can switch the mclk during the vblank time otherwise
we may get artifacts on the screen when the mclk changes.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/cypress_dpm.c | 13 +++++++++++++
 drivers/gpu/drm/radeon/radeon_asic.c |  1 +
 drivers/gpu/drm/radeon/radeon_asic.h |  1 +
 3 files changed, 15 insertions(+)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c
index 9ef840807dd1..9bcdd174780f 100644
--- a/drivers/gpu/drm/radeon/cypress_dpm.c
+++ b/drivers/gpu/drm/radeon/cypress_dpm.c
@@ -2174,3 +2174,16 @@ void cypress_dpm_fini(struct radeon_device *rdev)
 	kfree(rdev->pm.dpm.ps);
 	kfree(rdev->pm.dpm.priv);
 }
+
+bool cypress_dpm_vblank_too_short(struct radeon_device *rdev)
+{
+	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+	u32 vblank_time = r600_dpm_get_vblank_time(rdev);
+	u32 switch_limit = pi->mem_gddr5 ? 450 : 300;
+
+	if (vblank_time < switch_limit)
+		return true;
+	else
+		return false;
+
+}
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index c3b2f9605f6d..e73026393a46 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1519,6 +1519,7 @@ static struct radeon_asic evergreen_asic = {
 		.print_power_state = &rv770_dpm_print_power_state,
 		.debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level,
 		.force_performance_level = &rv770_dpm_force_performance_level,
+		.vblank_too_short = &cypress_dpm_vblank_too_short,
 	},
 	.pflip = {
 		.pre_page_flip = &evergreen_pre_page_flip,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index ca219e9fc2b4..0ef8b4967b9c 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -545,6 +545,7 @@ void cypress_dpm_disable(struct radeon_device *rdev);
 int cypress_dpm_set_power_state(struct radeon_device *rdev);
 void cypress_dpm_display_configuration_changed(struct radeon_device *rdev);
 void cypress_dpm_fini(struct radeon_device *rdev);
+bool cypress_dpm_vblank_too_short(struct radeon_device *rdev);
 int btc_dpm_init(struct radeon_device *rdev);
 void btc_dpm_setup_asic(struct radeon_device *rdev);
 int btc_dpm_enable(struct radeon_device *rdev);
-- 
cgit v1.2.3-58-ga151


From a84301c65d256d8aa23a254a6f2d51ecf67e9ee5 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 8 Jul 2013 12:03:55 -0400
Subject: drm/radeon/dpm: implement vblank_too_short callback for btc

Check if we can switch the mclk during the vblank time otherwise
we may get artifacts on the screen when the mclk changes.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/btc_dpm.c     | 16 +++++++++++++++-
 drivers/gpu/drm/radeon/radeon_asic.c |  1 +
 drivers/gpu/drm/radeon/radeon_asic.h |  1 +
 3 files changed, 17 insertions(+), 1 deletion(-)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c
index 91567448c55d..0bfd55e08820 100644
--- a/drivers/gpu/drm/radeon/btc_dpm.c
+++ b/drivers/gpu/drm/radeon/btc_dpm.c
@@ -2059,6 +2059,19 @@ static void btc_init_stutter_mode(struct radeon_device *rdev)
 	}
 }
 
+bool btc_dpm_vblank_too_short(struct radeon_device *rdev)
+{
+	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+	u32 vblank_time = r600_dpm_get_vblank_time(rdev);
+	u32 switch_limit = pi->mem_gddr5 ? 450 : 100;
+
+	if (vblank_time < switch_limit)
+		return true;
+	else
+		return false;
+
+}
+
 static void btc_apply_state_adjust_rules(struct radeon_device *rdev,
 					 struct radeon_ps *rps)
 {
@@ -2068,7 +2081,8 @@ static void btc_apply_state_adjust_rules(struct radeon_device *rdev,
 	u32 mclk, sclk;
 	u16 vddc, vddci;
 
-	if (rdev->pm.dpm.new_active_crtc_count > 1)
+	if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
+	    btc_dpm_vblank_too_short(rdev))
 		disable_mclk_switching = true;
 	else
 		disable_mclk_switching = false;
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index e73026393a46..c42b3674b426 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1768,6 +1768,7 @@ static struct radeon_asic btc_asic = {
 		.print_power_state = &rv770_dpm_print_power_state,
 		.debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level,
 		.force_performance_level = &rv770_dpm_force_performance_level,
+		.vblank_too_short = &btc_dpm_vblank_too_short,
 	},
 	.pflip = {
 		.pre_page_flip = &evergreen_pre_page_flip,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 0ef8b4967b9c..bca9a8bc062b 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -556,6 +556,7 @@ void btc_dpm_post_set_power_state(struct radeon_device *rdev);
 void btc_dpm_fini(struct radeon_device *rdev);
 u32 btc_dpm_get_sclk(struct radeon_device *rdev, bool low);
 u32 btc_dpm_get_mclk(struct radeon_device *rdev, bool low);
+bool btc_dpm_vblank_too_short(struct radeon_device *rdev);
 int sumo_dpm_init(struct radeon_device *rdev);
 int sumo_dpm_enable(struct radeon_device *rdev);
 void sumo_dpm_disable(struct radeon_device *rdev);
-- 
cgit v1.2.3-58-ga151


From 76ad73e549ff39cbb235dae3a14902bb6ca12d53 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 8 Jul 2013 12:09:41 -0400
Subject: drm/radeon/dpm: implement vblank_too_short callback for cayman

Check if we can switch the mclk during the vblank time otherwise
we may get artifacts on the screen when the mclk changes.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/ni_dpm.c      | 16 +++++++++++++++-
 drivers/gpu/drm/radeon/radeon_asic.c |  1 +
 drivers/gpu/drm/radeon/radeon_asic.h |  1 +
 3 files changed, 17 insertions(+), 1 deletion(-)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
index bd96eaa3f015..559cf24d51af 100644
--- a/drivers/gpu/drm/radeon/ni_dpm.c
+++ b/drivers/gpu/drm/radeon/ni_dpm.c
@@ -765,6 +765,19 @@ static void ni_calculate_leakage_for_v_and_t(struct radeon_device *rdev,
 	ni_calculate_leakage_for_v_and_t_formula(coeff, v, t, i_leakage, leakage);
 }
 
+bool ni_dpm_vblank_too_short(struct radeon_device *rdev)
+{
+	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+	u32 vblank_time = r600_dpm_get_vblank_time(rdev);
+	u32 switch_limit = pi->mem_gddr5 ? 450 : 300;
+
+	if (vblank_time < switch_limit)
+		return true;
+	else
+		return false;
+
+}
+
 static void ni_apply_state_adjust_rules(struct radeon_device *rdev,
 					struct radeon_ps *rps)
 {
@@ -775,7 +788,8 @@ static void ni_apply_state_adjust_rules(struct radeon_device *rdev,
 	u16 vddc, vddci;
 	int i;
 
-	if (rdev->pm.dpm.new_active_crtc_count > 1)
+	if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
+	    ni_dpm_vblank_too_short(rdev))
 		disable_mclk_switching = true;
 	else
 		disable_mclk_switching = false;
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index c42b3674b426..c62428be9bed 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1945,6 +1945,7 @@ static struct radeon_asic cayman_asic = {
 		.print_power_state = &ni_dpm_print_power_state,
 		.debugfs_print_current_performance_level = &ni_dpm_debugfs_print_current_performance_level,
 		.force_performance_level = &ni_dpm_force_performance_level,
+		.vblank_too_short = &ni_dpm_vblank_too_short,
 	},
 	.pflip = {
 		.pre_page_flip = &evergreen_pre_page_flip,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index bca9a8bc062b..45d0693cddd5 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -624,6 +624,7 @@ void ni_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
 						    struct seq_file *m);
 int ni_dpm_force_performance_level(struct radeon_device *rdev,
 				   enum radeon_dpm_forced_level level);
+bool ni_dpm_vblank_too_short(struct radeon_device *rdev);
 int trinity_dpm_init(struct radeon_device *rdev);
 int trinity_dpm_enable(struct radeon_device *rdev);
 void trinity_dpm_disable(struct radeon_device *rdev);
-- 
cgit v1.2.3-58-ga151


From f4dec31861e938267d41a962f145edc7d81c8e92 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 8 Jul 2013 12:15:11 -0400
Subject: drm/radeon/dpm: implement vblank_too_short callback for si

Check if we can switch the mclk during the vblank time otherwise
we may get artifacts on the screen when the mclk changes.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/radeon/ni_dpm.h      | 2 ++
 drivers/gpu/drm/radeon/radeon_asic.c | 1 +
 drivers/gpu/drm/radeon/si_dpm.c      | 3 ++-
 3 files changed, 5 insertions(+), 1 deletion(-)

(limited to 'drivers')

diff --git a/drivers/gpu/drm/radeon/ni_dpm.h b/drivers/gpu/drm/radeon/ni_dpm.h
index ac1c7abf2c67..6bbee9180909 100644
--- a/drivers/gpu/drm/radeon/ni_dpm.h
+++ b/drivers/gpu/drm/radeon/ni_dpm.h
@@ -245,4 +245,6 @@ void ni_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
 					  struct radeon_ps *new_ps,
 					  struct radeon_ps *old_ps);
 
+bool ni_dpm_vblank_too_short(struct radeon_device *rdev);
+
 #endif
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index c62428be9bed..097077499cc6 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -2294,6 +2294,7 @@ static struct radeon_asic si_asic = {
 		.print_power_state = &ni_dpm_print_power_state,
 		.debugfs_print_current_performance_level = &si_dpm_debugfs_print_current_performance_level,
 		.force_performance_level = &si_dpm_force_performance_level,
+		.vblank_too_short = &ni_dpm_vblank_too_short,
 	},
 	.pflip = {
 		.pre_page_flip = &evergreen_pre_page_flip,
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 700a167be369..73aaa2e4c312 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2906,7 +2906,8 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
 	u16 vddc, vddci;
 	int i;
 
-	if (rdev->pm.dpm.new_active_crtc_count > 1)
+	if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
+	    ni_dpm_vblank_too_short(rdev))
 		disable_mclk_switching = true;
 	else
 		disable_mclk_switching = false;
-- 
cgit v1.2.3-58-ga151