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imx-drm: ipuv3-plane: allow local alpha in ipu_plane_mode_set()

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For the overlay plane scanning out a framebuffer with an alpha component,
enable the DP local alpha feature on the partial plane.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Philipp Zabel 2014-10-08 17:19:12 +02:00 committed by Greg Kroah-Hartman
parent eb3a13230b
commit e6245fc78b
1 changed files with 10 additions and 2 deletions
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12
drivers/staging/imx-drm/ipuv3-plane.c
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@ -148,14 +148,22 @@ int ipu_plane_mode_set(struct ipu_plane *ipu_plane, struct drm_crtc *crtc,
ret);
return ret;
}
ipu_dp_set_global_alpha(ipu_plane->dp, 1, 0, 1);
ipu_dp_set_global_alpha(ipu_plane->dp, true, 0, true);
break;
case IPU_DP_FLOW_SYNC_FG:
ipu_dp_setup_channel(ipu_plane->dp,
ipu_drm_fourcc_to_colorspace(fb->pixel_format),
IPUV3_COLORSPACE_UNKNOWN);
ipu_dp_set_window_pos(ipu_plane->dp, crtc_x, crtc_y);
break;
/* Enable local alpha on partial plane */
switch (fb->pixel_format) {
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_ABGR8888:
ipu_dp_set_global_alpha(ipu_plane->dp, false, 0, false);
break;
default:
break;
}
}
ret = ipu_dmfc_init_channel(ipu_plane->dmfc, crtc_w);