diff mbox series

[v2,10/27] drm/i915/xe2lpd: Don't try to program PLANE_AUX_DIST

Message ID 20230907153757.2249452-11-lucas.demarchi@intel.com (mailing list archive)
State New, archived
Headers show
Series Enable Lunar Lake display | expand

Commit Message

Lucas De Marchi Sept. 7, 2023, 3:37 p.m. UTC 
From: Matt Roper <matthew.d.roper@intel.com>

Since Xe2LPD technically has FlatCCS, it doesn't have AuxCCS registers
like PLANE_AUX_DIST.  However we currently have HAS_FLAT_CCS hardcoded
to 0 since compression isn't ready; we need to make sure this doesn't
cause the display code to go back to trying to write this register.

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
---
 drivers/gpu/drm/i915/display/skl_universal_plane.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index 517df2aa7a91..a73294e190df 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -1247,7 +1247,7 @@  icl_plane_update_noarm(struct intel_plane *plane,
 	}
 
 	/* FLAT CCS doesn't need to program AUX_DIST */
-	if (!HAS_FLAT_CCS(dev_priv))
+	if (!HAS_FLAT_CCS(dev_priv) && DISPLAY_VER(dev_priv) < 20)
 		intel_de_write_fw(dev_priv, PLANE_AUX_DIST(pipe, plane_id),
 				  skl_plane_aux_dist(plane_state, color_plane));