diff options
| author | Stu Hsieh <stu.hsieh@mediatek.com> | 2018-08-09 10:15:45 +0800 |
|---|---|---|
| committer | CK Hu <ck.hu@mediatek.com> | 2018-08-27 11:24:36 +0800 |
| commit | 1cbcb763ea5035e7ef01010ea68eb3b5143ad7cb (patch) | |
| tree | b31b61c3a8f14aa923f3c1656b8135b28c5f11d7 /drivers/gpu/drm | |
| parent | 650afd49572b56a5c58134d4acfeb77acc69d622 (diff) | |
drm/mediatek: add function to return OVL layer number
This patch add function to return OVL layer number
For now, MT8173, MT2712, MT2701 OVL all has 4 layer.
Signed-off-by: Stu Hsieh <stu.hsieh@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index 0facd823c552..28d191192945 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -132,6 +132,11 @@ static void mtk_ovl_config(struct mtk_ddp_comp *comp, unsigned int w, writel(0x0, comp->regs + DISP_REG_OVL_RST); } +static unsigned int mtk_ovl_layer_nr(struct mtk_ddp_comp *comp) +{ + return 4; +} + static void mtk_ovl_layer_on(struct mtk_ddp_comp *comp, unsigned int idx) { unsigned int reg; @@ -226,6 +231,7 @@ static const struct mtk_ddp_comp_funcs mtk_disp_ovl_funcs = { .stop = mtk_ovl_stop, .enable_vblank = mtk_ovl_enable_vblank, .disable_vblank = mtk_ovl_disable_vblank, + .layer_nr = mtk_ovl_layer_nr, .layer_on = mtk_ovl_layer_on, .layer_off = mtk_ovl_layer_off, .layer_config = mtk_ovl_layer_config, |