From: Damien Lespiau <damien.lespiau@xxxxxxxxx>
Create a new debufs file for it, we'll have a few more things to add
there.
v2: Fix checkpatch warning about static const array
Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx> (v1)
Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_debugfs.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index a3b22bd..ceae425 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2777,6 +2777,27 @@ static int i915_power_domain_info(struct seq_file *m, void *unused)
return 0;
}
+static int i915_dmc_info(struct seq_file *m, void *unused)
+{
+ struct drm_info_node *node = m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ enum csr_state csr_state;
+ static const char * const csr_state_str[] = {
+ "unknown", "loaded", "error"
+ };
+
+ if (!HAS_CSR(dev)) {
+ seq_puts(m, "not supported\n");
+ return 0;
+ }
+
+ csr_state = intel_csr_load_status_get(dev_priv);
+ seq_printf(m, "status: %s\n", csr_state_str[csr_state]);
+
+ return 0;
+}
+
static void intel_seq_print_mode(struct seq_file *m, int tabs,
struct drm_display_mode *mode)
{
@@ -5236,6 +5257,7 @@ static const struct drm_info_list i915_debugfs_list[] = {
{"i915_energy_uJ", i915_energy_uJ, 0},
{"i915_runtime_pm_status", i915_runtime_pm_status, 0},
{"i915_power_domain_info", i915_power_domain_info, 0},
+ {"i915_dmc_info", i915_dmc_info, 0},
{"i915_display_info", i915_display_info, 0},
{"i915_semaphore_status", i915_semaphore_status, 0},
{"i915_shared_dplls_info", i915_shared_dplls_info, 0},
--
2.1.4
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