| Message ID | 20211029075203.17093-15-nancy.lin@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add MediaTek SoC DRM (vdosys1) support for mt8195 | expand |
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 >
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,
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. 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(-)