90/270 16bpp rotation is supported in hadrware from Gen10 onwards. I modified
kms_rotation_crc igt test to test this feature:
https://patchwork.freedesktop.org/patch/186179/
v2: (Ville Syrjälä) move all rotation related checks from
intel_plane_atomic_check_with_state into new function
and don't pass dev_priv pointer around.
/Juha-Pekka
Juha-Pekka Heikkila (2):
drm/i915: Move 90/270 rotation validity check into its own function
drm/i915: Enable 16bpp 90/270 plane rotation for gen10 onwards.
drivers/gpu/drm/i915/intel_atomic_plane.c | 84 +++++++++++++++++++------------
1 file changed, 51 insertions(+), 33 deletions(-)
--
2.7.4
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