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* [PATCH] drm/i915/display: Disable casf with joiner
@ 2026-01-05  9:12 Nemesa Garg
  2026-01-05  9:23 ` Jani Nikula
                   ` (3 more replies)
  0 siblings, 4 replies; 6+ messages in thread
From: Nemesa Garg @ 2026-01-05  9:12 UTC (permalink / raw)
  To: intel-gfx, intel-xe; +Cc: Nemesa Garg

Currently pipe scaling is not supported with the
joiner. As casf requires pipe scaling, fail the
atomic commit whenever joiner comes into picture.

Signed-off-by: Nemesa Garg <nemesa.garg@intel.com>
---
 drivers/gpu/drm/i915/display/intel_casf.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_casf.c b/drivers/gpu/drm/i915/display/intel_casf.c
index 95339b496f24..259bc50d5ed8 100644
--- a/drivers/gpu/drm/i915/display/intel_casf.c
+++ b/drivers/gpu/drm/i915/display/intel_casf.c
@@ -116,6 +116,11 @@ int intel_casf_compute_config(struct intel_crtc_state *crtc_state)
 		return 0;
 	}
 
+	if (crtc_state->joiner_pipes) {
+		drm_WARN(display->drm, 0, "CASF not supported with joiner\n");
+		return -EINVAL;
+	}
+
 	crtc_state->hw.casf_params.casf_enable = true;
 
 	/*
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 6+ messages in thread
end of thread, other threads:[~2026-01-05 12:19 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
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2026-01-05  9:12 [PATCH] drm/i915/display: Disable casf with joiner Nemesa Garg
2026-01-05  9:23 ` Jani Nikula
2026-01-05 12:19   ` Garg, Nemesa
2026-01-05  9:42 ` ✓ CI.KUnit: success for " Patchwork
2026-01-05 10:16 ` ✓ Xe.CI.BAT: " Patchwork
2026-01-05 11:11 ` ✓ Xe.CI.Full: " Patchwork

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