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drm/sun4i: backend: Use explicit fourcc helpers for packed YUV422 check

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Checking for the number of planes is not sufficient to en ensure that
the format is a packed YUV422.

Use explicit fourcc helpers for the check instead.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190118145133.21281-4-paul.kocialkowski@bootlin.com
This commit is contained in:
Paul Kocialkowski 2019-01-18 15:51:13 +01:00 committed by Maxime Ripard
parent a211e56e94
commit 0fff724a33
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1 changed files with 2 additions and 1 deletions
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drivers/gpu/drm/sun4i/sun4i_backend.c
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@ -245,7 +245,8 @@ static int sun4i_backend_update_yuv_format(struct sun4i_backend *backend,
SUN4I_BACKEND_ATTCTL_REG0_LAY_YUVEN);
/* TODO: Add support for the multi-planar YUV formats */
if (format->num_planes == 1)
if (drm_format_info_is_yuv_packed(format) &&
drm_format_info_is_yuv_sampling_422(format))
val |= SUN4I_BACKEND_IYUVCTL_FBFMT_PACKED_YUV422;
else
DRM_DEBUG_DRIVER("Unsupported YUV format (0x%x)\n", fmt);