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path: root/drivers/gpu/drm/i915/display/intel_drrs.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_drrs.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_drrs.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_drrs.c b/drivers/gpu/drm/i915/display/intel_drrs.c
index 6282ec0fc9..597f8bd6aa 100644
--- a/drivers/gpu/drm/i915/display/intel_drrs.c
+++ b/drivers/gpu/drm/i915/display/intel_drrs.c
@@ -63,6 +63,15 @@ const char *intel_drrs_type_str(enum drrs_type drrs_type)
return str[drrs_type];
}
+bool intel_cpu_transcoder_has_drrs(struct drm_i915_private *i915,
+ enum transcoder cpu_transcoder)
+{
+ if (HAS_DOUBLE_BUFFERED_M_N(i915))
+ return true;
+
+ return intel_cpu_transcoder_has_m2_n2(i915, cpu_transcoder);
+}
+
static void
intel_drrs_set_refresh_rate_pipeconf(struct intel_crtc *crtc,
enum drrs_refresh_rate refresh_rate)
@@ -299,6 +308,7 @@ void intel_drrs_crtc_init(struct intel_crtc *crtc)
static int intel_drrs_debugfs_status_show(struct seq_file *m, void *unused)
{
struct intel_crtc *crtc = m->private;
+ struct drm_i915_private *i915 = to_i915(crtc->base.dev);
const struct intel_crtc_state *crtc_state;
int ret;
@@ -310,6 +320,10 @@ static int intel_drrs_debugfs_status_show(struct seq_file *m, void *unused)
mutex_lock(&crtc->drrs.mutex);
+ seq_printf(m, "DRRS capable: %s\n",
+ str_yes_no(intel_cpu_transcoder_has_drrs(i915,
+ crtc_state->cpu_transcoder)));
+
seq_printf(m, "DRRS enabled: %s\n",
str_yes_no(crtc_state->has_drrs));