[PATCH] drm/i915/display: Don't allow odd ypan or ysize with semiplanar format

[Juha-Pekka Heikkila]

Disable support for odd panning and size in y direction when running
on display version 3x and using semiplanar formats.

Bspec: 68903

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
---
 drivers/gpu/drm/i915/display/intel_atomic_plane.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
index d89630b2d5c1..a61eeaa7640c 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
@@ -1030,6 +1030,11 @@ int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state)
 		     DISPLAY_VERx100(i915) == 3000) &&
 		     src_x % 2 != 0)
 			hsub = 2;
+
+		if (DISPLAY_VERx100(i915) >= 3000 &&
+		    DISPLAY_VERx100(i915) <= 3500)
+			vsub = 2;
+
 	} else {
 		hsub = fb->format->hsub;
 		vsub = fb->format->vsub;
-- 
2.45.2