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-rw-r--r--drivers/gpu/drm/radeon/radeon.h61
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c299
-rw-r--r--drivers/gpu/drm/radeon/radeon_combios.c108
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c38
4 files changed, 506 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index df21edcbae16..d73d37d5effd 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -150,6 +150,8 @@ struct radeon_clock {
*/
int radeon_pm_init(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);
/*
* Fences.
@@ -583,6 +585,59 @@ enum radeon_pm_action {
PM_ACTION_DOWNCLOCK,
PM_ACTION_UPCLOCK
};
+
+enum radeon_voltage_type {
+ VOLTAGE_NONE = 0,
+ VOLTAGE_GPIO,
+ VOLTAGE_VDDC,
+ VOLTAGE_SW
+};
+
+struct radeon_voltage {
+ enum radeon_voltage_type type;
+ /* gpio voltage */
+ struct radeon_gpio_rec gpio;
+ u32 delay; /* delay in usec from voltage drop to sclk change */
+ bool active_high; /* voltage drop is active when bit is high */
+ /* VDDC voltage */
+ u8 vddc_id; /* index into vddc voltage table */
+ u8 vddci_id; /* index into vddci voltage table */
+ bool vddci_enabled;
+ /* r6xx+ sw */
+ u32 voltage;
+};
+
+struct radeon_pm_non_clock_info {
+ /* pcie lanes */
+ int pcie_lanes;
+ /* standardized non-clock flags */
+ u32 flags;
+};
+
+struct radeon_pm_clock_info {
+ /* memory clock */
+ u32 mclk;
+ /* engine clock */
+ u32 sclk;
+ /* voltage info */
+ struct radeon_voltage voltage;
+ /* standardized clock flags - not sure we'll need these */
+ u32 flags;
+};
+
+struct radeon_power_state {
+ /* XXX: use a define for num clock modes */
+ struct radeon_pm_clock_info clock_info[8];
+ /* number of valid clock modes in this power state */
+ int num_clock_modes;
+ /* currently selected clock mode */
+ struct radeon_pm_clock_info *current_clock_mode;
+ struct radeon_pm_clock_info *default_clock_mode;
+ /* non clock info about this state */
+ struct radeon_pm_non_clock_info non_clock_info;
+ bool voltage_drop_active;
+};
+
struct radeon_pm {
struct mutex mutex;
struct work_struct reclock_work;
@@ -609,6 +664,12 @@ struct radeon_pm {
fixed20_12 core_bandwidth;
fixed20_12 sclk;
fixed20_12 needed_bandwidth;
+ /* XXX: use a define for num power modes */
+ struct radeon_power_state power_state[8];
+ /* number of valid power states */
+ int num_power_states;
+ struct radeon_power_state *current_power_state;
+ struct radeon_power_state *default_power_state;
};
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index d33fb4174b13..adf900e368ac 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1393,6 +1393,305 @@ radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder)
return tv_dac;
}
+union power_info {
+ struct _ATOM_POWERPLAY_INFO info;
+ struct _ATOM_POWERPLAY_INFO_V2 info_2;
+ struct _ATOM_POWERPLAY_INFO_V3 info_3;
+ struct _ATOM_PPLIB_POWERPLAYTABLE info_4;
+};
+
+void radeon_atombios_get_power_modes(struct radeon_device *rdev)
+{
+ struct radeon_mode_info *mode_info = &rdev->mode_info;
+ int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
+ u16 data_offset;
+ u8 frev, crev;
+ u32 misc, misc2 = 0, sclk, mclk;
+ union power_info *power_info;
+ struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
+ struct _ATOM_PPLIB_STATE *power_state;
+ int num_modes = 0, i, j;
+ int state_index = 0, mode_index = 0;
+
+ atom_parse_data_header(mode_info->atom_context, index, NULL, &frev, &crev, &data_offset);
+
+ power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
+
+ rdev->pm.default_power_state = NULL;
+ rdev->pm.current_power_state = NULL;
+
+ if (power_info) {
+ if (frev < 4) {
+ num_modes = power_info->info.ucNumOfPowerModeEntries;
+ if (num_modes > ATOM_MAX_NUMBEROF_POWER_BLOCK)
+ num_modes = ATOM_MAX_NUMBEROF_POWER_BLOCK;
+ for (i = 0; i < num_modes; i++) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
+ switch (frev) {
+ case 1:
+ rdev->pm.power_state[state_index].num_clock_modes = 1;
+ rdev->pm.power_state[state_index].clock_info[0].mclk =
+ le16_to_cpu(power_info->info.asPowerPlayInfo[i].usMemoryClock);
+ rdev->pm.power_state[state_index].clock_info[0].sclk =
+ le16_to_cpu(power_info->info.asPowerPlayInfo[i].usEngineClock);
+ /* skip invalid modes */
+ if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
+ (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
+ continue;
+ /* skip overclock modes for now */
+ if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
+ rdev->clock.default_mclk) ||
+ (rdev->pm.power_state[state_index].clock_info[0].sclk >
+ rdev->clock.default_sclk))
+ continue;
+ rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
+ power_info->info.asPowerPlayInfo[i].ucNumPciELanes;
+ misc = le32_to_cpu(power_info->info.asPowerPlayInfo[i].ulMiscInfo);
+ if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+ VOLTAGE_GPIO;
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
+ radeon_lookup_gpio(rdev,
+ power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex);
+ if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
+ rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+ true;
+ else
+ rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+ false;
+ } else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+ VOLTAGE_VDDC;
+ rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
+ power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex;
+ }
+ if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
+ rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+ rdev->pm.current_power_state = &rdev->pm.power_state[state_index];
+ rdev->pm.power_state[state_index].default_clock_mode =
+ &rdev->pm.power_state[state_index].clock_info[0];
+ rdev->pm.power_state[state_index].current_clock_mode =
+ &rdev->pm.power_state[state_index].clock_info[0];
+ }
+ state_index++;
+ break;
+ case 2:
+ rdev->pm.power_state[state_index].num_clock_modes = 1;
+ rdev->pm.power_state[state_index].clock_info[0].mclk =
+ le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMemoryClock);
+ rdev->pm.power_state[state_index].clock_info[0].sclk =
+ le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulEngineClock);
+ /* skip invalid modes */
+ if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
+ (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
+ continue;
+ /* skip overclock modes for now */
+ if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
+ rdev->clock.default_mclk) ||
+ (rdev->pm.power_state[state_index].clock_info[0].sclk >
+ rdev->clock.default_sclk))
+ continue;
+ rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
+ power_info->info_2.asPowerPlayInfo[i].ucNumPciELanes;
+ misc = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo);
+ misc2 = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo2);
+ if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+ VOLTAGE_GPIO;
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
+ radeon_lookup_gpio(rdev,
+ power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex);
+ if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
+ rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+ true;
+ else
+ rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+ false;
+ } else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+ VOLTAGE_VDDC;
+ rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
+ power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex;
+ }
+ if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
+ rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+ rdev->pm.current_power_state = &rdev->pm.power_state[state_index];
+ rdev->pm.power_state[state_index].default_clock_mode =
+ &rdev->pm.power_state[state_index].clock_info[0];
+ rdev->pm.power_state[state_index].current_clock_mode =
+ &rdev->pm.power_state[state_index].clock_info[0];
+ }
+ state_index++;
+ break;
+ case 3:
+ rdev->pm.power_state[state_index].num_clock_modes = 1;
+ rdev->pm.power_state[state_index].clock_info[0].mclk =
+ le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMemoryClock);
+ rdev->pm.power_state[state_index].clock_info[0].sclk =
+ le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulEngineClock);
+ /* skip invalid modes */
+ if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
+ (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
+ continue;
+ /* skip overclock modes for now */
+ if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
+ rdev->clock.default_mclk) ||
+ (rdev->pm.power_state[state_index].clock_info[0].sclk >
+ rdev->clock.default_sclk))
+ continue;
+ rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
+ power_info->info_3.asPowerPlayInfo[i].ucNumPciELanes;
+ misc = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo);
+ misc2 = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo2);
+ if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+ VOLTAGE_GPIO;
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
+ radeon_lookup_gpio(rdev,
+ power_info->info_3.asPowerPlayInfo[i].ucVoltageDropIndex);
+ if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
+ rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+ true;
+ else
+ rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+ false;
+ } else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+ VOLTAGE_VDDC;
+ rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
+ power_info->info_3.asPowerPlayInfo[i].ucVoltageDropIndex;
+ if (misc2 & ATOM_PM_MISCINFO2_VDDCI_DYNAMIC_VOLTAGE_EN) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.vddci_enabled =
+ true;
+ rdev->pm.power_state[state_index].clock_info[0].voltage.vddci_id =
+ power_info->info_3.asPowerPlayInfo[i].ucVDDCI_VoltageDropIndex;
+ }
+ }
+ if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
+ rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+ rdev->pm.current_power_state = &rdev->pm.power_state[state_index];
+ rdev->pm.power_state[state_index].default_clock_mode =
+ &rdev->pm.power_state[state_index].clock_info[0];
+ rdev->pm.power_state[state_index].current_clock_mode =
+ &rdev->pm.power_state[state_index].clock_info[0];
+ }
+ state_index++;
+ break;
+ }
+ }
+ } else if (frev == 4) {
+ for (i = 0; i < power_info->info_4.ucNumStates; i++) {
+ mode_index = 0;
+ power_state = (struct _ATOM_PPLIB_STATE *)
+ (mode_info->atom_context->bios +
+ data_offset +
+ le16_to_cpu(power_info->info_4.usStateArrayOffset) +
+ i * power_info->info_4.ucStateEntrySize);
+ non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
+ (mode_info->atom_context->bios +
+ data_offset +
+ le16_to_cpu(power_info->info_4.usNonClockInfoArrayOffset) +
+ (power_state->ucNonClockStateIndex *
+ power_info->info_4.ucNonClockSize));
+ misc = le32_to_cpu(non_clock_info->ulCapsAndSettings);
+ rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
+ ((misc & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >>
+ ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1;
+ for (j = 0; j < (power_info->info_4.ucStateEntrySize - 1); j++) {
+ if (rdev->flags & RADEON_IS_IGP) {
+ struct _ATOM_PPLIB_RS780_CLOCK_INFO *clock_info =
+ (struct _ATOM_PPLIB_RS780_CLOCK_INFO *)
+ (mode_info->atom_context->bios +
+ data_offset +
+ le16_to_cpu(power_info->info_4.usClockInfoArrayOffset) +
+ (power_state->ucClockStateIndices[j] *
+ power_info->info_4.ucClockInfoSize));
+ sclk = le16_to_cpu(clock_info->usLowEngineClockLow);
+ sclk |= clock_info->ucLowEngineClockHigh << 16;
+ rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
+ /* skip invalid modes */
+ if (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0)
+ continue;
+ /* skip overclock modes for now */
+ if (rdev->pm.power_state[state_index].clock_info[mode_index].sclk >
+ rdev->clock.default_sclk)
+ continue;
+ rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
+ VOLTAGE_SW;
+ rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
+ clock_info->usVDDC;
+ mode_index++;
+ } else {
+ struct _ATOM_PPLIB_R600_CLOCK_INFO *clock_info =
+ (struct _ATOM_PPLIB_R600_CLOCK_INFO *)
+ (mode_info->atom_context->bios +
+ data_offset +
+ le16_to_cpu(power_info->info_4.usClockInfoArrayOffset) +
+ (power_state->ucClockStateIndices[j] *
+ power_info->info_4.ucClockInfoSize));
+ sclk = le16_to_cpu(clock_info->usEngineClockLow);
+ sclk |= clock_info->ucEngineClockHigh << 16;
+ mclk = le16_to_cpu(clock_info->usMemoryClockLow);
+ mclk |= clock_info->ucMemoryClockHigh << 16;
+ rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
+ rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
+ /* skip invalid modes */
+ if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk == 0) ||
+ (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0))
+ continue;
+ /* skip overclock modes for now */
+ if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk >
+ rdev->clock.default_mclk) ||
+ (rdev->pm.power_state[state_index].clock_info[mode_index].sclk >
+ rdev->clock.default_sclk))
+ continue;
+ rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
+ VOLTAGE_SW;
+ rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
+ clock_info->usVDDC;
+ mode_index++;
+ }
+ }
+ rdev->pm.power_state[state_index].num_clock_modes = mode_index;
+ if (mode_index) {
+ misc2 = le16_to_cpu(non_clock_info->usClassification);
+ if (misc2 & ATOM_PPLIB_CLASSIFICATION_BOOT) {
+ rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+ rdev->pm.current_power_state = &rdev->pm.power_state[state_index];
+ rdev->pm.power_state[state_index].default_clock_mode =
+ &rdev->pm.power_state[state_index].clock_info[mode_index - 1];
+ rdev->pm.power_state[state_index].current_clock_mode =
+ &rdev->pm.power_state[state_index].clock_info[mode_index - 1];
+ }
+ state_index++;
+ }
+ }
+ }
+ } else {
+ /* XXX figure out some good default low power mode for cards w/out power tables */
+ }
+
+ if (rdev->pm.default_power_state == NULL) {
+ /* add the default mode */
+ rdev->pm.power_state[state_index].num_clock_modes = 1;
+ rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
+ rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
+ rdev->pm.power_state[state_index].default_clock_mode =
+ &rdev->pm.power_state[state_index].clock_info[0];
+ rdev->pm.power_state[state_index].current_clock_mode =
+ &rdev->pm.power_state[state_index].clock_info[0];
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
+ if (rdev->asic->get_pcie_lanes)
+ rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = radeon_get_pcie_lanes(rdev);
+ else
+ rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = 16;
+ rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+ rdev->pm.current_power_state = &rdev->pm.power_state[state_index];
+ state_index++;
+ }
+ rdev->pm.num_power_states = state_index;
+}
+
void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable)
{
DYNAMIC_CLOCK_GATING_PS_ALLOCATION args;
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 257ce1774e40..eac2174abc5b 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -2374,6 +2374,114 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
return true;
}
+void radeon_combios_get_power_modes(struct radeon_device *rdev)
+{
+ struct drm_device *dev = rdev->ddev;
+ u16 offset, misc, misc2 = 0;
+ u8 rev, blocks, tmp;
+ int state_index = 0;
+
+ rdev->pm.default_power_state = NULL;
+ rdev->pm.current_power_state = NULL;
+
+ /* XXX mac/sparc cards */
+ if (rdev->bios == NULL)
+ goto default_mode;
+
+ if (rdev->flags & RADEON_IS_MOBILITY) {
+ offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
+ if (offset) {
+ rev = RBIOS8(offset);
+ blocks = RBIOS8(offset + 0x2);
+ /* power mode 0 tends to be the only valid one */
+ rdev->pm.power_state[state_index].num_clock_modes = 1;
+ rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
+ rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
+ if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
+ (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
+ goto default_mode;
+ /* skip overclock modes for now */
+ if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
+ rdev->clock.default_mclk) ||
+ (rdev->pm.power_state[state_index].clock_info[0].sclk >
+ rdev->clock.default_sclk))
+ goto default_mode;
+ misc = RBIOS16(offset + 0x5 + 0x0);
+ if (rev > 4)
+ misc2 = RBIOS16(offset + 0x5 + 0xe);
+ if (misc & 0x4) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
+ if (misc & 0x8)
+ rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+ true;
+ else
+ rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+ false;
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
+ if (rev < 6) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
+ RBIOS16(offset + 0x5 + 0xb) * 4;
+ tmp = RBIOS8(offset + 0x5 + 0xd);
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
+ } else {
+ u8 entries = RBIOS8(offset + 0x5 + 0xb);
+ u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
+ if (entries && voltage_table_offset) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
+ RBIOS16(voltage_table_offset) * 4;
+ tmp = RBIOS8(voltage_table_offset + 0x2);
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
+ } else
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
+ }
+ switch ((misc2 & 0x700) >> 8) {
+ case 0:
+ default:
+ rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
+ break;
+ case 1:
+ rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
+ break;
+ case 2:
+ rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
+ break;
+ case 3:
+ rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
+ break;
+ case 4:
+ rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
+ break;
+ }
+ } else
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
+ if (rev > 6)
+ rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
+ RBIOS8(offset + 0x5 + 0x10);
+ state_index++;
+ } else {
+ /* XXX figure out some good default low power mode for mobility cards w/out power tables */
+ }
+ } else {
+ /* XXX figure out some good default low power mode for desktop cards */
+ }
+
+default_mode:
+ /* add the default mode */
+ rdev->pm.power_state[state_index].num_clock_modes = 1;
+ rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
+ rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
+ rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
+ rdev->pm.power_state[state_index].current_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
+ if (rdev->asic->get_pcie_lanes)
+ rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = radeon_get_pcie_lanes(rdev);
+ else
+ rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = 16;
+ rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+ rdev->pm.current_power_state = &rdev->pm.power_state[state_index];
+ rdev->pm.num_power_states = state_index + 1;
+}
+
void radeon_external_tmds_setup(struct drm_encoder *encoder)
{
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index a9c61f435c06..6eb0e0b3264b 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -18,6 +18,7 @@
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Rafał Miłecki <zajec5@gmail.com>
+ * Alex Deucher <alexdeucher@gmail.com>
*/
#include "drmP.h"
#include "radeon.h"
@@ -39,6 +40,35 @@ static const char *pm_state_names[4] = {
"PM_STATE_ACTIVE"
};
+static void radeon_print_power_mode_info(struct radeon_device *rdev)
+{
+ int i, j;
+ bool is_default;
+
+ DRM_INFO("%d Power State(s)\n", rdev->pm.num_power_states);
+ for (i = 0; i < rdev->pm.num_power_states; i++) {
+ if (rdev->pm.default_power_state == &rdev->pm.power_state[i])
+ is_default = true;
+ else
+ is_default = false;
+ DRM_INFO("State %d %s\n", i, is_default ? "(default)" : "");
+ if ((rdev->flags & RADEON_IS_PCIE) && !(rdev->flags & RADEON_IS_IGP))
+ DRM_INFO("\t%d PCIE Lanes\n", rdev->pm.power_state[i].non_clock_info.pcie_lanes);
+ DRM_INFO("\t%d Clock Mode(s)\n", rdev->pm.power_state[i].num_clock_modes);
+ for (j = 0; j < rdev->pm.power_state[i].num_clock_modes; j++) {
+ if (rdev->flags & RADEON_IS_IGP)
+ DRM_INFO("\t\t%d engine: %d\n",
+ j,
+ rdev->pm.power_state[i].clock_info[j].sclk * 10);
+ else
+ DRM_INFO("\t\t%d engine/memory: %d/%d\n",
+ j,
+ rdev->pm.power_state[i].clock_info[j].sclk * 10,
+ rdev->pm.power_state[i].clock_info[j].mclk * 10);
+ }
+ }
+}
+
int radeon_pm_init(struct radeon_device *rdev)
{
rdev->pm.state = PM_STATE_DISABLED;
@@ -46,6 +76,14 @@ int radeon_pm_init(struct radeon_device *rdev)
rdev->pm.downclocked = false;
rdev->pm.vblank_callback = false;
+ if (rdev->bios) {
+ if (rdev->is_atom_bios)
+ radeon_atombios_get_power_modes(rdev);
+ else
+ radeon_combios_get_power_modes(rdev);
+ radeon_print_power_mode_info(rdev);
+ }
+
radeon_pm_check_limits(rdev);
if (radeon_debugfs_pm_init(rdev)) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-05 02:24:17 +0000