diff options
| author | Mark Yacoub <markyacoub@google.com> | 2019-12-11 10:49:01 -0500 |
|---|---|---|
| committer | CK Hu <ck.hu@mediatek.com> | 2020-01-10 14:10:49 +0800 |
| commit | b6b1bb980ec4e82bbef9b4c98efbb0df6740bb53 (patch) | |
| tree | 0a2ffa6e0325f73691ea17cd8e4ae68752099c56 /drivers/gpu/drm/mediatek | |
| parent | 039cf36cbff95d19673699a6ce6f019908de1ce8 (diff) | |
drm/mediatek: Turn off Alpha bit when plane format has no alpha
This change enables XR24 format to be displayed as an overlay on top of
the primary plane.
Suggested-by: Sean Paul <seanpaul@chromium.org>
To: CK Hu <ck.hu@mediatek.com>
To: dri-devel@lists.freedesktop.org
Cc: Daniele Castagna <dcastagna@chromium.org>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mediatek@lists.infradead.org
Signed-off-by: Mark Yacoub <markyacoub@google.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Diffstat (limited to 'drivers/gpu/drm/mediatek')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index ec4c4952aa5f..891d80c73e04 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -266,7 +266,7 @@ static void mtk_ovl_layer_config(struct mtk_ddp_comp *comp, unsigned int idx, } con = ovl_fmt_convert(ovl, fmt); - if (idx != 0) + if (state->base.fb->format->has_alpha) con |= OVL_CON_AEN | OVL_CON_ALPHA; if (pending->rotation & DRM_MODE_REFLECT_Y) { |