[Intel-gfx] [PATCH v2 18/27] drm/i915/xe2lpd: Enable odd size and panning for planar yuv

[Lucas De Marchi]

From: Juha-Pekka Heikkilä <juha-pekka.heikk...@intel.com>

Enable odd size and panning for planar yuv formats.

Cc: Suraj Kandpal <suraj.kand...@intel.com>
Signed-off-by: Juha-Pekka Heikkilä <juha-pekka.heikk...@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kand...@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demar...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_atomic_plane.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c 
b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
index d7a0bd686e49..b1074350616c 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
@@ -981,6 +981,14 @@ int intel_plane_check_src_coordinates(struct 
intel_plane_state *plane_state)
        if (fb->format->format == DRM_FORMAT_RGB565 && rotated) {
                hsub = 2;
                vsub = 2;
+       } else if (DISPLAY_VER(i915) >= 20 &&
+                  intel_format_info_is_yuv_semiplanar(fb->format, 
fb->modifier)) {
+               /*
+                * This allows NV12 and P0xx formats to have odd size and/or odd
+                * source coordinates on DISPLAY_VER(i915) >= 20
+                */
+               hsub = 1;
+               vsub = 1;
        } else {
                hsub = fb->format->hsub;
                vsub = fb->format->vsub;
-- 
2.40.1