diff mbox series

[v4,19/30] drm/i915/xe2lpd: Enable odd size and panning for planar yuv

Message ID 20230915174651.1928176-20-lucas.demarchi@intel.com (mailing list archive)
State New, archived
Headers show
Series Enable Lunar Lake display | expand

Commit Message

Lucas De Marchi Sept. 15, 2023, 5:46 p.m. UTC 
From: Juha-Pekka Heikkilä <juha-pekka.heikkila@intel.com>

Enable odd size and panning for planar yuv formats.

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

Patch

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;