diff options
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_disp_rdma.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 39 |
1 files changed, 31 insertions, 8 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c index 0df05f95b916..b68a51376f83 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c @@ -38,6 +38,11 @@ #define RDMA_FIFO_UNDERFLOW_EN BIT(31) #define RDMA_FIFO_PSEUDO_SIZE(bytes) (((bytes) / 16) << 16) #define RDMA_OUTPUT_VALID_FIFO_THRESHOLD(bytes) ((bytes) / 16) +#define RDMA_FIFO_SIZE(rdma) ((rdma)->data->fifo_size) + +struct mtk_disp_rdma_data { + unsigned int fifo_size; +}; /** * struct mtk_disp_rdma - DISP_RDMA driver structure @@ -47,8 +52,14 @@ struct mtk_disp_rdma { struct mtk_ddp_comp ddp_comp; struct drm_crtc *crtc; + const struct mtk_disp_rdma_data *data; }; +static inline struct mtk_disp_rdma *comp_to_rdma(struct mtk_ddp_comp *comp) +{ + return container_of(comp, struct mtk_disp_rdma, ddp_comp); +} + static irqreturn_t mtk_disp_rdma_irq_handler(int irq, void *dev_id) { struct mtk_disp_rdma *priv = dev_id; @@ -77,20 +88,18 @@ static void rdma_update_bits(struct mtk_ddp_comp *comp, unsigned int reg, static void mtk_rdma_enable_vblank(struct mtk_ddp_comp *comp, struct drm_crtc *crtc) { - struct mtk_disp_rdma *priv = container_of(comp, struct mtk_disp_rdma, - ddp_comp); + struct mtk_disp_rdma *rdma = comp_to_rdma(comp); - priv->crtc = crtc; + rdma->crtc = crtc; rdma_update_bits(comp, DISP_REG_RDMA_INT_ENABLE, RDMA_FRAME_END_INT, RDMA_FRAME_END_INT); } static void mtk_rdma_disable_vblank(struct mtk_ddp_comp *comp) { - struct mtk_disp_rdma *priv = container_of(comp, struct mtk_disp_rdma, - ddp_comp); + struct mtk_disp_rdma *rdma = comp_to_rdma(comp); - priv->crtc = NULL; + rdma->crtc = NULL; rdma_update_bits(comp, DISP_REG_RDMA_INT_ENABLE, RDMA_FRAME_END_INT, 0); } @@ -111,6 +120,7 @@ static void mtk_rdma_config(struct mtk_ddp_comp *comp, unsigned int width, { unsigned int threshold; unsigned int reg; + struct mtk_disp_rdma *rdma = comp_to_rdma(comp); rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0, 0xfff, width); rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_1, 0xfffff, height); @@ -123,7 +133,7 @@ static void mtk_rdma_config(struct mtk_ddp_comp *comp, unsigned int width, */ threshold = width * height * vrefresh * 4 * 7 / 1000000; reg = RDMA_FIFO_UNDERFLOW_EN | - RDMA_FIFO_PSEUDO_SIZE(SZ_8K) | + RDMA_FIFO_PSEUDO_SIZE(RDMA_FIFO_SIZE(rdma)) | RDMA_OUTPUT_VALID_FIFO_THRESHOLD(threshold); writel(reg, comp->regs + DISP_REG_RDMA_FIFO_CON); } @@ -208,6 +218,8 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev) return ret; } + priv->data = of_device_get_match_data(dev); + platform_set_drvdata(pdev, priv); ret = component_add(dev, &mtk_disp_rdma_component_ops); @@ -224,8 +236,19 @@ static int mtk_disp_rdma_remove(struct platform_device *pdev) return 0; } +static const struct mtk_disp_rdma_data mt2701_rdma_driver_data = { + .fifo_size = SZ_4K, +}; + +static const struct mtk_disp_rdma_data mt8173_rdma_driver_data = { + .fifo_size = SZ_8K, +}; + static const struct of_device_id mtk_disp_rdma_driver_dt_match[] = { - { .compatible = "mediatek,mt8173-disp-rdma", }, + { .compatible = "mediatek,mt2701-disp-rdma", + .data = &mt2701_rdma_driver_data}, + { .compatible = "mediatek,mt8173-disp-rdma", + .data = &mt8173_rdma_driver_data}, {}, }; MODULE_DEVICE_TABLE(of, mtk_disp_rdma_driver_dt_match); |