Signed-off-by: Rafa? Mi?ecki <zajec5 at gmail.com>
---
Alex you dropped this in "rework power management". Did you have some reason
for doing that? Or was that just accident?
---
drivers/gpu/drm/radeon/radeon_pm.c | 45 ++++++++++++++++++++++++++++++++++++
1 files changed, 45 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c
b/drivers/gpu/drm/radeon/radeon_pm.c
index 31da562..bb69588 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -33,6 +33,14 @@
#define RADEON_WAIT_VBLANK_TIMEOUT 200
#define RADEON_WAIT_IDLE_TIMEOUT 200
+static const char *radeon_pm_state_type_name[5] = {
+ "Default",
+ "Powersave",
+ "Battery",
+ "Balanced",
+ "Performance",
+};
+
static void radeon_dynpm_idle_work_handler(struct work_struct *work);
static int radeon_debugfs_pm_init(struct radeon_device *rdev);
static bool radeon_pm_in_vbl(struct radeon_device *rdev);
@@ -281,6 +289,42 @@ static void radeon_pm_set_clocks(struct radeon_device
*rdev)
mutex_unlock(&rdev->ddev->struct_mutex);
}
+static void radeon_pm_print_states(struct radeon_device *rdev)
+{
+ int i, j;
+ struct radeon_power_state *power_state;
+ struct radeon_pm_clock_info *clock_info;
+
+ DRM_DEBUG("%d Power State(s)\n", rdev->pm.num_power_states);
+ for (i = 0; i < rdev->pm.num_power_states; i++) {
+ power_state = &rdev->pm.power_state[i];
+ DRM_DEBUG("State %d: %s\n", i,
+ radeon_pm_state_type_name[power_state->type]);
+ if (i == rdev->pm.default_power_state_index)
+ DRM_DEBUG("\tDefault");
+ if ((rdev->flags & RADEON_IS_PCIE) && !(rdev->flags &
RADEON_IS_IGP))
+ DRM_DEBUG("\t%d PCIE Lanes\n", power_state->pcie_lanes);
+ if (power_state->flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
+ DRM_DEBUG("\tSingle display only\n");
+ DRM_DEBUG("\t%d Clock Mode(s)\n", power_state->num_clock_modes);
+ 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("\t\t%d e: %d%s\n",
+ j,
+ clock_info->sclk * 10,
+ clock_info->flags &
RADEON_PM_MODE_NO_DISPLAY ? "\tNo display only" : "");
+ else
+ DRM_DEBUG("\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" : "");
+ }
+ }
+}
+
static ssize_t radeon_get_pm_profile(struct device *dev,
struct device_attribute *attr,
char *buf)
@@ -408,6 +452,7 @@ int radeon_pm_init(struct radeon_device *rdev)
radeon_atombios_get_power_modes(rdev);
else
radeon_combios_get_power_modes(rdev);
+ radeon_pm_print_states(rdev);
radeon_pm_init_profile(rdev);
rdev->pm.current_power_state_index = -1;
rdev->pm.current_clock_mode_index = -1;
--
1.6.4.2
