On Mon, Jun 29, 2020 at 11:19 AM Eric Anholt <eric@xxxxxxxxxx> wrote:
>
> We don't expect to find vbif_nrt or regdma on cheza, but were clogging
> up dmesg with errors about it.
nit: s/cheza/sdm845/ (since this really applies to the SoC rather than
the board..
also, maybe msm_ioremap_optional() ?
BR,
-R
>
> Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
> ---
> 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 a4ab802fee6d..d9aef2b5e930 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> @@ -838,13 +838,13 @@ 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 f6ce40bf3699..df4a3c6a49cd 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 e2d6a6056418..2687f7a42c15 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);
>
> --
> 2.26.2
>
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