diff options
| author | CK Hu <ck.hu@mediatek.com> | 2020-10-12 17:08:10 +0800 |
|---|---|---|
| committer | Chun-Kuang Hu <chunkuang.hu@kernel.org> | 2021-01-07 06:28:16 +0800 |
| commit | 9b0704988b151824a51133dc4c921f4273c5d839 (patch) | |
| tree | 26f6f71b32718663a12cc2416fffa560324b28a2 /drivers/gpu/drm/mediatek/mtk_disp_rdma.c | |
| parent | 4d510659cf5d2c10f2793b41b02fe4cfdbd0bebe (diff) | |
drm/mediatek: Register vblank callback function
Some ddp component exist in both display path and other path, so
sub driver should not directly call crtc function. crtc register
callback function to sub driver to prevent sub driver directly
call crtc function.
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_disp_rdma.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c index 6e6cf039e1da..f4b3a32eb456 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c @@ -62,25 +62,25 @@ struct mtk_disp_rdma_data { */ struct mtk_disp_rdma { struct mtk_ddp_comp ddp_comp; - struct drm_crtc *crtc; struct clk *clk; void __iomem *regs; struct cmdq_client_reg cmdq_reg; const struct mtk_disp_rdma_data *data; + void (*vblank_cb)(void *data); + void *vblank_cb_data; }; static irqreturn_t mtk_disp_rdma_irq_handler(int irq, void *dev_id) { struct mtk_disp_rdma *priv = dev_id; - struct mtk_ddp_comp *rdma = &priv->ddp_comp; /* Clear frame completion interrupt */ writel(0x0, priv->regs + DISP_REG_RDMA_INT_STATUS); - if (!priv->crtc) + if (!priv->vblank_cb) return IRQ_NONE; - mtk_crtc_ddp_irq(priv->crtc, rdma); + priv->vblank_cb(priv->vblank_cb_data); return IRQ_HANDLED; } @@ -96,11 +96,13 @@ static void rdma_update_bits(struct device *dev, unsigned int reg, } static void mtk_rdma_enable_vblank(struct device *dev, - struct drm_crtc *crtc) + void (*vblank_cb)(void *), + void *vblank_cb_data) { struct mtk_disp_rdma *rdma = dev_get_drvdata(dev); - rdma->crtc = crtc; + rdma->vblank_cb = vblank_cb; + rdma->vblank_cb_data = vblank_cb_data; rdma_update_bits(dev, DISP_REG_RDMA_INT_ENABLE, RDMA_FRAME_END_INT, RDMA_FRAME_END_INT); } @@ -109,7 +111,8 @@ static void mtk_rdma_disable_vblank(struct device *dev) { struct mtk_disp_rdma *rdma = dev_get_drvdata(dev); - rdma->crtc = NULL; + rdma->vblank_cb = NULL; + rdma->vblank_cb_data = NULL; rdma_update_bits(dev, DISP_REG_RDMA_INT_ENABLE, RDMA_FRAME_END_INT, 0); } |