There is a WARN_ON in drm_atomic_crtc_check for this when exposing the atomic
property.
If the mode_blob still exists, but enable = false then all updates are rejected
with -EINVAL.
Signed-off-by: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 4934261c8277..a8c8df779eb3 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -15300,7 +15300,7 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc)
crtc->base.state->enable ? "enabled" : "disabled",
crtc->active ? "enabled" : "disabled");
- crtc->base.state->enable = crtc->active;
+ WARN_ON(drm_atomic_set_mode_for_crtc(crtc->base.state, NULL) <
0);
crtc->base.state->active = crtc->active;
crtc->base.enabled = crtc->active;
--
2.1.0
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