diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 24 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 1 |
2 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index e367f06f5883..32ede342ab94 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2633,6 +2633,30 @@ static int i915_edp_psr_status(struct seq_file *m, void *data) seq_printf(m, "Performance_Counter: %u\n", psrperf); } + if (dev_priv->psr.psr2_support) { + static const char * const live_status[] = { + "IDLE", + "CAPTURE", + "CAPTURE_FS", + "SLEEP", + "BUFON_FW", + "ML_UP", + "SU_STANDBY", + "FAST_SLEEP", + "DEEP_SLEEP", + "BUF_ON", + "TG_ON" }; + u8 pos = (I915_READ(EDP_PSR2_STATUS_CTL) & + EDP_PSR2_STATUS_STATE_MASK) >> + EDP_PSR2_STATUS_STATE_SHIFT; + + seq_printf(m, "PSR2_STATUS_EDP: %x\n", + I915_READ(EDP_PSR2_STATUS_CTL)); + + if (pos < ARRAY_SIZE(live_status)) + seq_printf(m, "PSR2 live state %s\n", + live_status[pos]); + } mutex_unlock(&dev_priv->psr.lock); intel_runtime_pm_put(dev_priv); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index ca76887120ee..72f9f36ae5ce 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3621,6 +3621,7 @@ enum { #define EDP_PSR2_STATUS_CTL _MMIO(0x6f940) #define EDP_PSR2_STATUS_STATE_MASK (0xf<<28) +#define EDP_PSR2_STATUS_STATE_SHIFT 28 /* VGA port control */ #define ADPA _MMIO(0x61100) |