diff options
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_disp_merge.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_disp_merge.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_merge.c b/drivers/gpu/drm/mediatek/mtk_disp_merge.c index 2e13d2fb429e..6428b6203ffe 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_merge.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_merge.c @@ -8,6 +8,7 @@ #include <linux/of_device.h> #include <linux/of_irq.h> #include <linux/platform_device.h> +#include <linux/reset.h> #include <linux/soc/mediatek/mtk-cmdq.h> #include "mtk_drm_ddp_comp.h" @@ -67,6 +68,7 @@ struct mtk_disp_merge { struct cmdq_client_reg cmdq_reg; bool fifo_en; bool mute_support; + struct reset_control *reset_ctl; }; void mtk_merge_start(struct device *dev) @@ -101,6 +103,9 @@ void mtk_merge_stop_cmdq(struct device *dev, struct cmdq_pkt *cmdq_pkt) mtk_ddp_write(cmdq_pkt, 0, &priv->cmdq_reg, priv->regs, DISP_REG_MERGE_CTRL); + + if (priv->async_clk) + reset_control_reset(priv->reset_ctl); } static void mtk_merge_fifo_setting(struct mtk_disp_merge *priv, @@ -264,6 +269,12 @@ static int mtk_disp_merge_probe(struct platform_device *pdev) return PTR_ERR(priv->async_clk); } + if (priv->async_clk) { + priv->reset_ctl = devm_reset_control_get_optional_exclusive(dev, NULL); + if (IS_ERR(priv->reset_ctl)) + return PTR_ERR(priv->reset_ctl); + } + #if IS_REACHABLE(CONFIG_MTK_CMDQ) ret = cmdq_dev_get_client_reg(dev, &priv->cmdq_reg, 0); if (ret) |