From e6245fc78b65a5492c7480d665cebb89082824f9 Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Wed, 8 Oct 2014 17:19:12 +0200 Subject: [PATCH] imx-drm: ipuv3-plane: allow local alpha in ipu_plane_mode_set() 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 Signed-off-by: Greg Kroah-Hartman --- drivers/staging/imx-drm/ipuv3-plane.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/staging/imx-drm/ipuv3-plane.c b/drivers/staging/imx-drm/ipuv3-plane.c index 944962b692bb..48cbeef73934 100644 --- a/drivers/staging/imx-drm/ipuv3-plane.c +++ b/drivers/staging/imx-drm/ipuv3-plane.c @@ -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); -- 2.20.1