Hi, Nancy:
Nancy.Lin nancy.lin@mediatek.com 於 2021年10月29日 週五 下午3:52寫道：
Add merge start/stop API for cmdq support. The ovl_adaptor merges are configured with each drm plane update. Need to enable/disable merge with cmdq making sure all the settings taken effect in the same vblank.
Reviewed-by: Chun-Kuang Hu chunkuang.hu@kernel.org
Signed-off-by: Nancy.Lin nancy.lin@mediatek.com
drivers/gpu/drm/mediatek/mtk_disp_drv.h | 2 ++ drivers/gpu/drm/mediatek/mtk_disp_merge.c | 20 +++++++++++++++++--- 2 files changed, 19 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index c2de53a5892e..224a710bb537 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -66,6 +66,8 @@ void mtk_merge_stop(struct device *dev); void mtk_merge_advance_config(struct device *dev, unsigned int l_w, unsigned int r_w, unsigned int h, unsigned int vrefresh, unsigned int bpc, struct cmdq_pkt *cmdq_pkt); +void mtk_merge_start_cmdq(struct device *dev, struct cmdq_pkt *cmdq_pkt); +void mtk_merge_stop_cmdq(struct device *dev, struct cmdq_pkt *cmdq_pkt);
void mtk_ovl_bgclr_in_on(struct device *dev); void mtk_ovl_bgclr_in_off(struct device *dev); diff --git a/drivers/gpu/drm/mediatek/mtk_disp_merge.c b/drivers/gpu/drm/mediatek/mtk_disp_merge.c index 558e0cb2a297..92c81ce24a49 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_merge.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_merge.c @@ -67,17 +67,31 @@ struct mtk_disp_merge { };
void mtk_merge_start(struct device *dev) +{
mtk_merge_start_cmdq(dev, NULL);+}
+void mtk_merge_stop(struct device *dev) { struct mtk_disp_merge *priv = dev_get_drvdata(dev);
writel(MERGE_EN, priv->regs + DISP_REG_MERGE_CTRL);
mtk_merge_stop_cmdq(dev, NULL);}
-void mtk_merge_stop(struct device *dev) +void mtk_merge_start_cmdq(struct device *dev, struct cmdq_pkt *cmdq_pkt) +{
struct mtk_disp_merge *priv = dev_get_drvdata(dev);mtk_ddp_write(cmdq_pkt, 1, &priv->cmdq_reg, priv->regs,DISP_REG_MERGE_CTRL);+}
+void mtk_merge_stop_cmdq(struct device *dev, struct cmdq_pkt *cmdq_pkt) { struct mtk_disp_merge *priv = dev_get_drvdata(dev);
writel(0x0, priv->regs + DISP_REG_MERGE_CTRL);
mtk_ddp_write(cmdq_pkt, 0, &priv->cmdq_reg, priv->regs,DISP_REG_MERGE_CTRL);}
static void mtk_merge_fifo_setting(struct mtk_disp_merge *priv,
2.18.0