diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dmc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dmc.c | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c index bbac6bfd1752..48bbbf8f312c 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.c +++ b/drivers/gpu/drm/i915/display/intel_dmc.c @@ -1194,21 +1194,43 @@ void intel_dmc_fini(struct intel_display *display) } } -void intel_dmc_print_error_state(struct drm_printer *p, - struct intel_display *display) +struct intel_dmc_snapshot { + bool initialized; + bool loaded; + u32 version; +}; + +struct intel_dmc_snapshot *intel_dmc_snapshot_capture(struct intel_display *display) { struct intel_dmc *dmc = display_to_dmc(display); + struct intel_dmc_snapshot *snapshot; if (!HAS_DMC(display)) - return; + return NULL; - drm_printf(p, "DMC initialized: %s\n", str_yes_no(dmc)); - drm_printf(p, "DMC loaded: %s\n", - str_yes_no(intel_dmc_has_payload(display))); + snapshot = kzalloc(sizeof(*snapshot), GFP_ATOMIC); + if (!snapshot) + return NULL; + + snapshot->initialized = dmc; + snapshot->loaded = intel_dmc_has_payload(display); if (dmc) + snapshot->version = dmc->version; + + return snapshot; +} + +void intel_dmc_snapshot_print(const struct intel_dmc_snapshot *snapshot, struct drm_printer *p) +{ + if (!snapshot) + return; + + drm_printf(p, "DMC initialized: %s\n", str_yes_no(snapshot->initialized)); + drm_printf(p, "DMC loaded: %s\n", str_yes_no(snapshot->loaded)); + if (snapshot->initialized) drm_printf(p, "DMC fw version: %d.%d\n", - DMC_VERSION_MAJOR(dmc->version), - DMC_VERSION_MINOR(dmc->version)); + DMC_VERSION_MAJOR(snapshot->version), + DMC_VERSION_MINOR(snapshot->version)); } static int intel_dmc_debugfs_status_show(struct seq_file *m, void *unused) |