diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_gsc.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_gsc.c | 62 |
1 files changed, 15 insertions, 47 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index 5639353d47b..8140753ec9c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -25,7 +25,7 @@ #include "exynos_drm_gsc.h" /* - * GSC is stand for General SCaler and + * GSC stands for General SCaler and * supports image scaler/rotator and input/output DMA operations. * input DMA reads image data from the memory. * output DMA writes image data to memory. @@ -711,7 +711,7 @@ static int gsc_src_set_addr(struct device *dev, { struct gsc_context *ctx = get_gsc_context(dev); struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; - struct drm_exynos_ipp_cmd_node *c_node = ippdrv->cmd; + struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node; struct drm_exynos_ipp_property *property; if (!c_node) { @@ -720,10 +720,6 @@ static int gsc_src_set_addr(struct device *dev, } property = &c_node->property; - if (!property) { - DRM_ERROR("failed to get property.\n"); - return -EFAULT; - } DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__, property->prop_id, buf_id, buf_type); @@ -1171,7 +1167,7 @@ static int gsc_dst_set_addr(struct device *dev, { struct gsc_context *ctx = get_gsc_context(dev); struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; - struct drm_exynos_ipp_cmd_node *c_node = ippdrv->cmd; + struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node; struct drm_exynos_ipp_property *property; if (!c_node) { @@ -1180,10 +1176,6 @@ static int gsc_dst_set_addr(struct device *dev, } property = &c_node->property; - if (!property) { - DRM_ERROR("failed to get property.\n"); - return -EFAULT; - } DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__, property->prop_id, buf_id, buf_type); @@ -1312,7 +1304,7 @@ static irqreturn_t gsc_irq_handler(int irq, void *dev_id) { struct gsc_context *ctx = dev_id; struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; - struct drm_exynos_ipp_cmd_node *c_node = ippdrv->cmd; + struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node; struct drm_exynos_ipp_event_work *event_work = c_node->event_work; u32 status; @@ -1399,7 +1391,7 @@ static inline bool gsc_check_drm_flip(enum drm_exynos_flip flip) case EXYNOS_DRM_FLIP_NONE: case EXYNOS_DRM_FLIP_VERTICAL: case EXYNOS_DRM_FLIP_HORIZONTAL: - case EXYNOS_DRM_FLIP_VERTICAL | EXYNOS_DRM_FLIP_HORIZONTAL: + case EXYNOS_DRM_FLIP_BOTH: return true; default: DRM_DEBUG_KMS("%s:invalid flip\n", __func__); @@ -1549,7 +1541,7 @@ static int gsc_ippdrv_start(struct device *dev, enum drm_exynos_ipp_cmd cmd) { struct gsc_context *ctx = get_gsc_context(dev); struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; - struct drm_exynos_ipp_cmd_node *c_node = ippdrv->cmd; + struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node; struct drm_exynos_ipp_property *property; struct drm_exynos_ipp_config *config; struct drm_exynos_pos img_pos[EXYNOS_DRM_OPS_MAX]; @@ -1565,10 +1557,6 @@ static int gsc_ippdrv_start(struct device *dev, enum drm_exynos_ipp_cmd cmd) } property = &c_node->property; - if (!property) { - DRM_ERROR("failed to get property.\n"); - return -EINVAL; - } gsc_handle_irq(ctx, true, false, true); @@ -1604,7 +1592,7 @@ static int gsc_ippdrv_start(struct device *dev, enum drm_exynos_ipp_cmd cmd) exynos_drm_ippnb_send_event(IPP_SET_WRITEBACK, (void *)&set_wb); /* src local path */ - cfg = readl(GSC_IN_CON); + cfg = gsc_read(GSC_IN_CON); cfg &= ~(GSC_IN_PATH_MASK | GSC_IN_LOCAL_SEL_MASK); cfg |= (GSC_IN_PATH_LOCAL | GSC_IN_LOCAL_FIMD_WB); gsc_write(cfg, GSC_IN_CON); @@ -1683,7 +1671,7 @@ static void gsc_ippdrv_stop(struct device *dev, enum drm_exynos_ipp_cmd cmd) gsc_write(cfg, GSC_ENABLE); } -static int __devinit gsc_probe(struct platform_device *pdev) +static int gsc_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct gsc_context *ctx; @@ -1696,34 +1684,25 @@ static int __devinit gsc_probe(struct platform_device *pdev) return -ENOMEM; /* clock control */ - ctx->gsc_clk = clk_get(dev, "gscl"); + ctx->gsc_clk = devm_clk_get(dev, "gscl"); if (IS_ERR(ctx->gsc_clk)) { dev_err(dev, "failed to get gsc clock.\n"); - ret = PTR_ERR(ctx->gsc_clk); - goto err_ctx; + return PTR_ERR(ctx->gsc_clk); } /* resource memory */ ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!ctx->regs_res) { - dev_err(dev, "failed to find registers.\n"); - ret = -ENOENT; - goto err_clk; - } - ctx->regs = devm_request_and_ioremap(dev, ctx->regs_res); if (!ctx->regs) { dev_err(dev, "failed to map registers.\n"); - ret = -ENXIO; - goto err_clk; + return -ENXIO; } /* resource irq */ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); if (!res) { dev_err(dev, "failed to request irq resource.\n"); - ret = -ENOENT; - goto err_get_regs; + return -ENOENT; } ctx->irq = res->start; @@ -1731,7 +1710,7 @@ static int __devinit gsc_probe(struct platform_device *pdev) IRQF_ONESHOT, "drm_gsc", ctx); if (ret < 0) { dev_err(dev, "failed to request irq.\n"); - goto err_get_regs; + return ret; } /* context initailization */ @@ -1775,16 +1754,10 @@ err_ippdrv_register: pm_runtime_disable(dev); err_get_irq: free_irq(ctx->irq, ctx); -err_get_regs: - devm_iounmap(dev, ctx->regs); -err_clk: - clk_put(ctx->gsc_clk); -err_ctx: - devm_kfree(dev, ctx); return ret; } -static int __devexit gsc_remove(struct platform_device *pdev) +static int gsc_remove(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct gsc_context *ctx = get_gsc_context(dev); @@ -1798,11 +1771,6 @@ static int __devexit gsc_remove(struct platform_device *pdev) pm_runtime_disable(dev); free_irq(ctx->irq, ctx); - devm_iounmap(dev, ctx->regs); - - clk_put(ctx->gsc_clk); - - devm_kfree(dev, ctx); return 0; } @@ -1860,7 +1828,7 @@ static const struct dev_pm_ops gsc_pm_ops = { struct platform_driver gsc_driver = { .probe = gsc_probe, - .remove = __devexit_p(gsc_remove), + .remove = gsc_remove, .driver = { .name = "exynos-drm-gsc", .owner = THIS_MODULE, |