diff options
| author | Vathsala Nagaraju <vathsala.nagaraju@intel.com> | 2018-06-27 13:38:30 +0530 |
|---|---|---|
| committer | Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> | 2018-07-02 10:36:20 -0700 |
| commit | 00b062967f1524de25daf6578d9043b0bbe7c208 (patch) | |
| tree | 3cd96f6a182f3897698ec357ea515166ed3607db /drivers/gpu/drm/i915/i915_debugfs.c | |
| parent | 7e7367d3bc6cf27dd7e007e7897fcebfeff1ee8b (diff) | |
drm/i915/psr: Add psr1 live status
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)
v7: Use tabs for indenting the values.(Jani)
v8: Addressed dk's review comments.
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>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1530086910-15914-1-git-send-email-vathsala.nagaraju@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 72 |
1 files changed, 48 insertions, 24 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 48a57c0636bf..f6142d78ede4 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2592,27 +2592,55 @@ static const struct file_operations i915_guc_log_relay_fops = { .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; - 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: 0x%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: 0x%x [%s]\n", + psr_status, live_status[val]); + return; + } + } - return "unknown"; + seq_printf(m, "Source PSR status: 0x%x [%s]\n", psr_status, "unknown"); } static const char *psr_sink_status(u8 val) @@ -2676,12 +2704,8 @@ 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; |