* Re: [Bug] v5.3-rc3: arm: omap5: omapdss: omap_fbdev_init fails with lpae config and reports dma_mask error [not found] ` <DF565339-14BC-411D-9301-5651FA601733@goldelico.com> @ 2019-08-08 7:24 ` Christoph Hellwig 2019-08-08 9:57 ` H. Nikolaus Schaller 0 siblings, 1 reply; 2+ messages in thread From: Christoph Hellwig @ 2019-08-08 7:24 UTC (permalink / raw) To: H. Nikolaus Schaller Cc: Tomi Valkeinen, Tony Lindgren, Roger Quadros, Christoph Hellwig, Vignesh Raghavendra, Linux-OMAP, Linux Kernel Mailing List, kernel, Discussions about the Letux Kernel Hi Nikolaus, please try the patch below: diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c index 561c4812545b..2c8abf07e617 100644 --- a/drivers/gpu/drm/omapdrm/omap_fbdev.c +++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c @@ -232,6 +232,8 @@ void omap_fbdev_init(struct drm_device *dev) if (!priv->num_pipes) return; + dma_coerce_mask_and_coherent(dev->dev, DMA_BIT_MASK(32)); + fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL); if (!fbdev) goto fail; ^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [Bug] v5.3-rc3: arm: omap5: omapdss: omap_fbdev_init fails with lpae config and reports dma_mask error 2019-08-08 7:24 ` [Bug] v5.3-rc3: arm: omap5: omapdss: omap_fbdev_init fails with lpae config and reports dma_mask error Christoph Hellwig @ 2019-08-08 9:57 ` H. Nikolaus Schaller 0 siblings, 0 replies; 2+ messages in thread From: H. Nikolaus Schaller @ 2019-08-08 9:57 UTC (permalink / raw) To: Christoph Hellwig Cc: Tomi Valkeinen, Tony Lindgren, Roger Quadros, Vignesh Raghavendra, Linux-OMAP, Linux Kernel Mailing List, kernel, Discussions about the Letux Kernel Hi Christoph, > Am 08.08.2019 um 09:24 schrieb Christoph Hellwig <hch@lst.de>: > > Hi Nikolaus, > > please try the patch below: > > diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c > index 561c4812545b..2c8abf07e617 100644 > --- a/drivers/gpu/drm/omapdrm/omap_fbdev.c > +++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c > @@ -232,6 +232,8 @@ void omap_fbdev_init(struct drm_device *dev) > if (!priv->num_pipes) > return; > > + dma_coerce_mask_and_coherent(dev->dev, DMA_BIT_MASK(32)); > + > fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL); > if (!fbdev) > goto fail; Yes, it fixes the issue! BR and thanks, Nikolaus ^ permalink raw reply [flat|nested] 2+ messages in thread
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[not found] ` <DF565339-14BC-411D-9301-5651FA601733@goldelico.com>
2019-08-08 7:24 ` [Bug] v5.3-rc3: arm: omap5: omapdss: omap_fbdev_init fails with lpae config and reports dma_mask error Christoph Hellwig
2019-08-08 9:57 ` H. Nikolaus Schaller
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