| Message ID | 1529568393-9343-1-git-send-email-vathsala.nagaraju@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, 21 Jun 2018, vathsala nagaraju <vathsala.nagaraju@intel.com> wrote: > From: Vathsala Nagaraju <vathsala.nagaraju@intel.com> > > Prints live state of psr1.Extending the existing > PSR2 live state function to cover psr1. > > Tested on KBL with psr2 and psr1 panel. > > v2: rebase > v3: DK > Rename psr2_live_status to psr_source_status. > v4: DK > Move EDP_PSR_STATUS_STATE_SHIFT below EDP_PSR_STATUS_STATE_MASK. > Pass seq to psr_source_status, handle source status prints in > psr_source_status. > v5: Fixed CI warning messages > v6: > Remove extra space in the title before the colon.(DK) > Rebase. (Jani) > > Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> > Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> > > Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> > Signed-off-by: Vathsala Nagaraju <vathsala.nagaraju@intel.com> > --- > drivers/gpu/drm/i915/i915_debugfs.c | 72 ++++++++++++++++++++++++------------- > drivers/gpu/drm/i915/i915_reg.h | 1 + > 2 files changed, 49 insertions(+), 24 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c > index c400f42..3941d85 100644 > --- a/drivers/gpu/drm/i915/i915_debugfs.c > +++ b/drivers/gpu/drm/i915/i915_debugfs.c > @@ -2597,27 +2597,55 @@ static int i915_guc_log_relay_release(struct inode *inode, struct file *file) > .release = i915_guc_log_relay_release, > }; > > -static const char *psr2_live_status(u32 val) > -{ > - 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" > - }; > +static void > +psr_source_status(struct drm_i915_private *dev_priv, struct seq_file *m) > +{ > + u32 val, psr_status = 0; > > - val = (val & EDP_PSR2_STATUS_STATE_MASK) >> EDP_PSR2_STATUS_STATE_SHIFT; > - if (val < ARRAY_SIZE(live_status)) > - return live_status[val]; > + if (dev_priv->psr.psr2_enabled) { > + 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" > + }; > + psr_status = I915_READ(EDP_PSR2_STATUS); > + val = (psr_status & EDP_PSR2_STATUS_STATE_MASK) >> > + EDP_PSR2_STATUS_STATE_SHIFT; > + if (val < ARRAY_SIZE(live_status)) { > + seq_printf(m, "Source PSR status: %x[%s]\n", psr_status, > + live_status[val]); > + return; > + } > + } else { > + static const char * const live_status[] = { > + "IDLE", > + "SRDONACK", > + "SRDENT", > + "BUFOFF", > + "BUFON", > + "AUXACK", > + "SRDOFFACK", > + "SRDENT_ON", > + }; > + psr_status = I915_READ(EDP_PSR_STATUS); > + val = (psr_status & EDP_PSR_STATUS_STATE_MASK) >> > + EDP_PSR_STATUS_STATE_SHIFT; > + if (val < ARRAY_SIZE(live_status)) { > + seq_printf(m, "Source PSR status: %x[%s]\n", psr_status, > + live_status[val]); > + return; > + } > + } > > - return "unknown"; > + seq_printf(m, "Source psr status: %x[%s]\n", psr_status, "unknown"); > } > > static const char *psr_sink_status(u8 val) > @@ -2681,12 +2709,8 @@ 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_enabled) { > - u32 psr2 = I915_READ(EDP_PSR2_STATUS); > > - seq_printf(m, "EDP_PSR2_STATUS: %x [%s]\n", > - psr2, psr2_live_status(psr2)); > - } > + psr_source_status(dev_priv, m); > > if (dev_priv->psr.enabled) { > struct drm_dp_aux *aux = &dev_priv->psr.enabled->aux; > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h > index 4bfd7a9..f026492 100644 > --- a/drivers/gpu/drm/i915/i915_reg.h > +++ b/drivers/gpu/drm/i915/i915_reg.h > @@ -4072,6 +4072,7 @@ enum { > > #define EDP_PSR_STATUS _MMIO(dev_priv->psr_mmio_base + 0x40) > #define EDP_PSR_STATUS_STATE_MASK (7 << 29) > +#define EDP_PSR_STATUS_STATE_SHIFT 29 Please use tabs for indenting the values. BR, Jani. > #define EDP_PSR_STATUS_STATE_IDLE (0 << 29) > #define EDP_PSR_STATUS_STATE_SRDONACK (1 << 29) > #define EDP_PSR_STATUS_STATE_SRDENT (2 << 29)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index c400f42..3941d85 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2597,27 +2597,55 @@ static int i915_guc_log_relay_release(struct inode *inode, struct file *file) .release = i915_guc_log_relay_release, }; -static const char *psr2_live_status(u32 val) -{ - 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" - }; +static void +psr_source_status(struct drm_i915_private *dev_priv, struct seq_file *m) +{ + u32 val, psr_status = 0; - val = (val & EDP_PSR2_STATUS_STATE_MASK) >> EDP_PSR2_STATUS_STATE_SHIFT; - if (val < ARRAY_SIZE(live_status)) - return live_status[val]; + if (dev_priv->psr.psr2_enabled) { + 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" + }; + psr_status = I915_READ(EDP_PSR2_STATUS); + val = (psr_status & EDP_PSR2_STATUS_STATE_MASK) >> + EDP_PSR2_STATUS_STATE_SHIFT; + if (val < ARRAY_SIZE(live_status)) { + seq_printf(m, "Source PSR status: %x[%s]\n", psr_status, + live_status[val]); + return; + } + } else { + static const char * const live_status[] = { + "IDLE", + "SRDONACK", + "SRDENT", + "BUFOFF", + "BUFON", + "AUXACK", + "SRDOFFACK", + "SRDENT_ON", + }; + psr_status = I915_READ(EDP_PSR_STATUS); + val = (psr_status & EDP_PSR_STATUS_STATE_MASK) >> + EDP_PSR_STATUS_STATE_SHIFT; + if (val < ARRAY_SIZE(live_status)) { + seq_printf(m, "Source PSR status: %x[%s]\n", psr_status, + live_status[val]); + return; + } + } - return "unknown"; + seq_printf(m, "Source psr status: %x[%s]\n", psr_status, "unknown"); } static const char *psr_sink_status(u8 val) @@ -2681,12 +2709,8 @@ 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_enabled) { - u32 psr2 = I915_READ(EDP_PSR2_STATUS); - seq_printf(m, "EDP_PSR2_STATUS: %x [%s]\n", - psr2, psr2_live_status(psr2)); - } + psr_source_status(dev_priv, m); if (dev_priv->psr.enabled) { struct drm_dp_aux *aux = &dev_priv->psr.enabled->aux; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 4bfd7a9..f026492 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -4072,6 +4072,7 @@ enum { #define EDP_PSR_STATUS _MMIO(dev_priv->psr_mmio_base + 0x40) #define EDP_PSR_STATUS_STATE_MASK (7 << 29) +#define EDP_PSR_STATUS_STATE_SHIFT 29 #define EDP_PSR_STATUS_STATE_IDLE (0 << 29) #define EDP_PSR_STATUS_STATE_SRDONACK (1 << 29) #define EDP_PSR_STATUS_STATE_SRDENT (2 << 29)