diff options
Diffstat (limited to 'drivers/gpu/drm/ingenic')
| -rw-r--r-- | drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 51 |
1 files changed, 28 insertions, 23 deletions
diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c index d34e76f5f57d..e8d47549ff2e 100644 --- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c +++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c @@ -45,7 +45,12 @@ struct ingenic_dma_hwdesc { u32 addr; u32 id; u32 cmd; -} __packed; +} __aligned(16); + +struct ingenic_dma_hwdescs { + struct ingenic_dma_hwdesc hwdesc_f0; + struct ingenic_dma_hwdesc hwdesc_f1; +}; struct jz_soc_info { bool needs_dev_clk; @@ -68,8 +73,8 @@ struct ingenic_drm { struct clk *lcd_clk, *pix_clk; const struct jz_soc_info *soc_info; - struct ingenic_dma_hwdesc *dma_hwdesc_f0, *dma_hwdesc_f1; - dma_addr_t dma_hwdesc_phys_f0, dma_hwdesc_phys_f1; + struct ingenic_dma_hwdescs *dma_hwdescs; + dma_addr_t dma_hwdescs_phys; bool panel_is_sharp; bool no_vblank; @@ -546,9 +551,9 @@ static void ingenic_drm_plane_atomic_update(struct drm_plane *plane, cpp = state->fb->format->cpp[0]; if (priv->soc_info->has_osd && plane->type == DRM_PLANE_TYPE_OVERLAY) - hwdesc = priv->dma_hwdesc_f0; + hwdesc = &priv->dma_hwdescs->hwdesc_f0; else - hwdesc = priv->dma_hwdesc_f1; + hwdesc = &priv->dma_hwdescs->hwdesc_f1; hwdesc->addr = addr; hwdesc->cmd = JZ_LCD_CMD_EOF_IRQ | (width * height * cpp / 4); @@ -856,6 +861,7 @@ static int ingenic_drm_bind(struct device *dev, bool has_components) void __iomem *base; long parent_rate; unsigned int i, clone_mask = 0; + dma_addr_t dma_hwdesc_phys_f0, dma_hwdesc_phys_f1; int ret, irq; soc_info = of_device_get_match_data(dev); @@ -930,26 +936,25 @@ static int ingenic_drm_bind(struct device *dev, bool has_components) return PTR_ERR(priv->pix_clk); } - priv->dma_hwdesc_f1 = dmam_alloc_coherent(dev, sizeof(*priv->dma_hwdesc_f1), - &priv->dma_hwdesc_phys_f1, - GFP_KERNEL); - if (!priv->dma_hwdesc_f1) + priv->dma_hwdescs = dmam_alloc_coherent(dev, + sizeof(*priv->dma_hwdescs), + &priv->dma_hwdescs_phys, + GFP_KERNEL); + if (!priv->dma_hwdescs) return -ENOMEM; - priv->dma_hwdesc_f1->next = priv->dma_hwdesc_phys_f1; - priv->dma_hwdesc_f1->id = 0xf1; - if (priv->soc_info->has_osd) { - priv->dma_hwdesc_f0 = dmam_alloc_coherent(dev, - sizeof(*priv->dma_hwdesc_f0), - &priv->dma_hwdesc_phys_f0, - GFP_KERNEL); - if (!priv->dma_hwdesc_f0) - return -ENOMEM; + /* Configure DMA hwdesc for foreground0 plane */ + dma_hwdesc_phys_f0 = priv->dma_hwdescs_phys + + offsetof(struct ingenic_dma_hwdescs, hwdesc_f0); + priv->dma_hwdescs->hwdesc_f0.next = dma_hwdesc_phys_f0; + priv->dma_hwdescs->hwdesc_f0.id = 0xf0; - priv->dma_hwdesc_f0->next = priv->dma_hwdesc_phys_f0; - priv->dma_hwdesc_f0->id = 0xf0; - } + /* Configure DMA hwdesc for foreground1 plane */ + dma_hwdesc_phys_f1 = priv->dma_hwdescs_phys + + offsetof(struct ingenic_dma_hwdescs, hwdesc_f1); + priv->dma_hwdescs->hwdesc_f1.next = dma_hwdesc_phys_f1; + priv->dma_hwdescs->hwdesc_f1.id = 0xf1; if (soc_info->has_osd) priv->ipu_plane = drm_plane_from_index(drm, 0); @@ -1101,8 +1106,8 @@ static int ingenic_drm_bind(struct device *dev, bool has_components) } /* Set address of our DMA descriptor chain */ - regmap_write(priv->map, JZ_REG_LCD_DA0, priv->dma_hwdesc_phys_f0); - regmap_write(priv->map, JZ_REG_LCD_DA1, priv->dma_hwdesc_phys_f1); + regmap_write(priv->map, JZ_REG_LCD_DA0, dma_hwdesc_phys_f0); + regmap_write(priv->map, JZ_REG_LCD_DA1, dma_hwdesc_phys_f1); /* Enable OSD if available */ if (soc_info->has_osd) |