From 62a35e81c2c1bae04fdefde56f2a92dd3e56164d Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Mon, 29 Jun 2020 11:19:21 -0700 Subject: [PATCH] drm/msm: Quiet error during failure in optional resource mappings. We don't expect to find vbif_nrt or regdma on sdm845, but were clogging up dmesg with errors about it. Signed-off-by: Eric Anholt Reported-by: kernel test robot Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 4 ++-- drivers/gpu/drm/msm/msm_drv.c | 22 ++++++++++++++++++---- drivers/gpu/drm/msm/msm_drv.h | 2 ++ 3 files changed, 22 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 88bcd9c..c0a4d4e 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -839,13 +839,13 @@ static int dpu_kms_hw_init(struct msm_kms *kms) dpu_kms->vbif[VBIF_RT] = NULL; goto error; } - dpu_kms->vbif[VBIF_NRT] = msm_ioremap(dpu_kms->pdev, "vbif_nrt", "vbif_nrt"); + dpu_kms->vbif[VBIF_NRT] = msm_ioremap_quiet(dpu_kms->pdev, "vbif_nrt", "vbif_nrt"); if (IS_ERR(dpu_kms->vbif[VBIF_NRT])) { dpu_kms->vbif[VBIF_NRT] = NULL; DPU_DEBUG("VBIF NRT is not defined"); } - dpu_kms->reg_dma = msm_ioremap(dpu_kms->pdev, "regdma", "regdma"); + dpu_kms->reg_dma = msm_ioremap_quiet(dpu_kms->pdev, "regdma", "regdma"); if (IS_ERR(dpu_kms->reg_dma)) { dpu_kms->reg_dma = NULL; DPU_DEBUG("REG_DMA is not defined"); diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index acb6350..92e8851 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -120,8 +120,8 @@ struct clk *msm_clk_get(struct platform_device *pdev, const char *name) return clk; } -void __iomem *msm_ioremap(struct platform_device *pdev, const char *name, - const char *dbgname) +void __iomem *_msm_ioremap(struct platform_device *pdev, const char *name, + const char *dbgname, bool quiet) { struct resource *res; unsigned long size; @@ -133,7 +133,8 @@ void __iomem *msm_ioremap(struct platform_device *pdev, const char *name, res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { - DRM_DEV_ERROR(&pdev->dev, "failed to get memory resource: %s\n", name); + if (!quiet) + DRM_DEV_ERROR(&pdev->dev, "failed to get memory resource: %s\n", name); return ERR_PTR(-EINVAL); } @@ -141,7 +142,8 @@ void __iomem *msm_ioremap(struct platform_device *pdev, const char *name, ptr = devm_ioremap(&pdev->dev, res->start, size); if (!ptr) { - DRM_DEV_ERROR(&pdev->dev, "failed to ioremap: %s\n", name); + if (!quiet) + DRM_DEV_ERROR(&pdev->dev, "failed to ioremap: %s\n", name); return ERR_PTR(-ENOMEM); } @@ -151,6 +153,18 @@ void __iomem *msm_ioremap(struct platform_device *pdev, const char *name, return ptr; } +void __iomem *msm_ioremap(struct platform_device *pdev, const char *name, + const char *dbgname) +{ + return _msm_ioremap(pdev, name, dbgname, false); +} + +void __iomem *msm_ioremap_quiet(struct platform_device *pdev, const char *name, + const char *dbgname) +{ + return _msm_ioremap(pdev, name, dbgname, true); +} + void msm_writel(u32 data, void __iomem *addr) { if (reglog) diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index e2d6a60..2687f7a 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -411,6 +411,8 @@ struct clk *msm_clk_bulk_get_clock(struct clk_bulk_data *bulk, int count, const char *name); void __iomem *msm_ioremap(struct platform_device *pdev, const char *name, const char *dbgname); +void __iomem *msm_ioremap_quiet(struct platform_device *pdev, const char *name, + const char *dbgname); void msm_writel(u32 data, void __iomem *addr); u32 msm_readl(const void __iomem *addr); -- 2.7.4