aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/display/intel_dmc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dmc.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dmc.c38
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)