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path: root/drivers/gpu/drm/radeon/radeon_pm.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_pm.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c104
1 files changed, 43 insertions, 61 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 3ef0319981d3..aa14dbb7e4fb 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -24,9 +24,6 @@
#include "radeon.h"
#include "avivod.h"
#include "atom.h"
-#ifdef CONFIG_ACPI
-#include <linux/acpi.h>
-#endif
#include <linux/power_supply.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
@@ -36,7 +33,7 @@
#define RADEON_WAIT_VBLANK_TIMEOUT 200
static const char *radeon_pm_state_type_name[5] = {
- "Default",
+ "",
"Powersave",
"Battery",
"Balanced",
@@ -50,8 +47,6 @@ static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish
static void radeon_pm_update_profile(struct radeon_device *rdev);
static void radeon_pm_set_clocks(struct radeon_device *rdev);
-#define ACPI_AC_CLASS "ac_adapter"
-
int radeon_pm_get_type_index(struct radeon_device *rdev,
enum radeon_pm_state_type ps_type,
int instance)
@@ -70,33 +65,17 @@ int radeon_pm_get_type_index(struct radeon_device *rdev,
return rdev->pm.default_power_state_index;
}
-#ifdef CONFIG_ACPI
-static int radeon_acpi_event(struct notifier_block *nb,
- unsigned long val,
- void *data)
+void radeon_pm_acpi_event_handler(struct radeon_device *rdev)
{
- struct radeon_device *rdev = container_of(nb, struct radeon_device, acpi_nb);
- struct acpi_bus_event *entry = (struct acpi_bus_event *)data;
-
- if (strcmp(entry->device_class, ACPI_AC_CLASS) == 0) {
- if (power_supply_is_system_supplied() > 0)
- DRM_DEBUG_DRIVER("pm: AC\n");
- else
- DRM_DEBUG_DRIVER("pm: DC\n");
-
- if (rdev->pm.pm_method == PM_METHOD_PROFILE) {
- if (rdev->pm.profile == PM_PROFILE_AUTO) {
- mutex_lock(&rdev->pm.mutex);
- radeon_pm_update_profile(rdev);
- radeon_pm_set_clocks(rdev);
- mutex_unlock(&rdev->pm.mutex);
- }
+ if (rdev->pm.pm_method == PM_METHOD_PROFILE) {
+ if (rdev->pm.profile == PM_PROFILE_AUTO) {
+ mutex_lock(&rdev->pm.mutex);
+ radeon_pm_update_profile(rdev);
+ radeon_pm_set_clocks(rdev);
+ mutex_unlock(&rdev->pm.mutex);
}
}
-
- return NOTIFY_OK;
}
-#endif
static void radeon_pm_update_profile(struct radeon_device *rdev)
{
@@ -188,8 +167,21 @@ static void radeon_set_power_state(struct radeon_device *rdev)
if (sclk > rdev->pm.default_sclk)
sclk = rdev->pm.default_sclk;
- mclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
- clock_info[rdev->pm.requested_clock_mode_index].mclk;
+ /* starting with BTC, there is one state that is used for both
+ * MH and SH. Difference is that we always use the high clock index for
+ * mclk.
+ */
+ if ((rdev->pm.pm_method == PM_METHOD_PROFILE) &&
+ (rdev->family >= CHIP_BARTS) &&
+ rdev->pm.active_crtc_count &&
+ ((rdev->pm.profile_index == PM_PROFILE_MID_MH_IDX) ||
+ (rdev->pm.profile_index == PM_PROFILE_LOW_MH_IDX)))
+ mclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
+ clock_info[rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx].mclk;
+ else
+ mclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
+ clock_info[rdev->pm.requested_clock_mode_index].mclk;
+
if (mclk > rdev->pm.default_mclk)
mclk = rdev->pm.default_mclk;
@@ -253,18 +245,13 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev)
down_write(&rdev->pm.mclk_lock);
mutex_lock(&rdev->ring_lock);
- /* gui idle int has issues on older chips it seems */
- if (rdev->family >= CHIP_R600) {
- if (rdev->irq.installed) {
- /* wait for GPU to become idle */
- radeon_irq_kms_wait_gui_idle(rdev);
- }
- } else {
- struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
- if (ring->ready) {
- radeon_fence_wait_empty_locked(rdev, RADEON_RING_TYPE_GFX_INDEX);
- }
+ /* wait for the rings to drain */
+ for (i = 0; i < RADEON_NUM_RINGS; i++) {
+ struct radeon_ring *ring = &rdev->ring[i];
+ if (ring->ready)
+ radeon_fence_wait_empty_locked(rdev, i);
}
+
radeon_unmap_vram_bos(rdev);
if (rdev->irq.installed) {
@@ -320,17 +307,15 @@ static void radeon_pm_print_states(struct radeon_device *rdev)
for (j = 0; j < power_state->num_clock_modes; j++) {
clock_info = &(power_state->clock_info[j]);
if (rdev->flags & RADEON_IS_IGP)
- DRM_DEBUG_DRIVER("\t\t%d e: %d%s\n",
- j,
- clock_info->sclk * 10,
- clock_info->flags & RADEON_PM_MODE_NO_DISPLAY ? "\tNo display only" : "");
+ DRM_DEBUG_DRIVER("\t\t%d e: %d\n",
+ j,
+ clock_info->sclk * 10);
else
- DRM_DEBUG_DRIVER("\t\t%d e: %d\tm: %d\tv: %d%s\n",
- j,
- clock_info->sclk * 10,
- clock_info->mclk * 10,
- clock_info->voltage.voltage,
- clock_info->flags & RADEON_PM_MODE_NO_DISPLAY ? "\tNo display only" : "");
+ DRM_DEBUG_DRIVER("\t\t%d e: %d\tm: %d\tv: %d\n",
+ j,
+ clock_info->sclk * 10,
+ clock_info->mclk * 10,
+ clock_info->voltage.voltage);
}
}
}
@@ -547,7 +532,9 @@ void radeon_pm_suspend(struct radeon_device *rdev)
void radeon_pm_resume(struct radeon_device *rdev)
{
/* set up the default clocks if the MC ucode is loaded */
- if (ASIC_IS_DCE5(rdev) && rdev->mc_fw) {
+ if ((rdev->family >= CHIP_BARTS) &&
+ (rdev->family <= CHIP_CAYMAN) &&
+ rdev->mc_fw) {
if (rdev->pm.default_vddc)
radeon_atom_set_voltage(rdev, rdev->pm.default_vddc,
SET_VOLTAGE_TYPE_ASIC_VDDC);
@@ -602,7 +589,9 @@ int radeon_pm_init(struct radeon_device *rdev)
radeon_pm_print_states(rdev);
radeon_pm_init_profile(rdev);
/* set up the default clocks if the MC ucode is loaded */
- if (ASIC_IS_DCE5(rdev) && rdev->mc_fw) {
+ if ((rdev->family >= CHIP_BARTS) &&
+ (rdev->family <= CHIP_CAYMAN) &&
+ rdev->mc_fw) {
if (rdev->pm.default_vddc)
radeon_atom_set_voltage(rdev, rdev->pm.default_vddc,
SET_VOLTAGE_TYPE_ASIC_VDDC);
@@ -632,10 +621,6 @@ int radeon_pm_init(struct radeon_device *rdev)
if (ret)
DRM_ERROR("failed to create device file for power method\n");
-#ifdef CONFIG_ACPI
- rdev->acpi_nb.notifier_call = radeon_acpi_event;
- register_acpi_notifier(&rdev->acpi_nb);
-#endif
if (radeon_debugfs_pm_init(rdev)) {
DRM_ERROR("Failed to register debugfs file for PM!\n");
}
@@ -666,9 +651,6 @@ void radeon_pm_fini(struct radeon_device *rdev)
device_remove_file(rdev->dev, &dev_attr_power_profile);
device_remove_file(rdev->dev, &dev_attr_power_method);
-#ifdef CONFIG_ACPI
- unregister_acpi_notifier(&rdev->acpi_nb);
-#endif
}
if (rdev->pm.power_state)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.