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From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v2 09/10] drm: omapdrm: Map pages for DMA in DMA_TO_DEVICE direction
Date: Thu, 27 Apr 2017 13:48:53 +0300	[thread overview]
Message-ID: <2a96cb59-49d6-ced7-f258-7dc107cf0230@ti.com> (raw)
In-Reply-To: <20170420213359.31300-10-laurent.pinchart@ideasonboard.com>


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On 21/04/17 00:33, Laurent Pinchart wrote:
> The display engine only reads from memory, there's no need to use
> bidirectional DMA mappings. Use DMA_TO_DEVICE instead.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
>  drivers/gpu/drm/omapdrm/omap_gem.c        | 11 +++++------
>  drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c |  4 ++--
>  2 files changed, 7 insertions(+), 8 deletions(-)

Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

 Tomi


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  reply	other threads:[~2017-04-27 11:03 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-20 21:33 [PATCH v2 00/10] omapdrm: GEM objects fixes Laurent Pinchart
2017-04-20 21:33 ` [PATCH v2 01/10] drm: omapdrm: Remove remap argument to omap_gem_get_paddr() Laurent Pinchart
2017-04-24 10:09   ` Tomi Valkeinen
2017-04-20 21:33 ` [PATCH v2 02/10] drm: omapdrm: Rename occurrences of paddr to dma_addr Laurent Pinchart
2017-04-24 10:13   ` Tomi Valkeinen
2017-04-20 21:33 ` [PATCH v2 03/10] drm: omapdrm: Rename omap_gem_(get|put)_paddr() to omap_gem_(un)pin() Laurent Pinchart
2017-04-24 10:16   ` Tomi Valkeinen
2017-04-24 14:08     ` Laurent Pinchart
2017-04-20 21:33 ` [PATCH v2 04/10] drm: omapdrm: Lower indentation level in omap_gem_dma_sync_buffer() Laurent Pinchart
2017-04-24 10:22   ` Tomi Valkeinen
2017-04-20 21:33 ` [PATCH v2 05/10] drm: omapdrm: Rename the omap_gem_object addrs field to dma_addrs Laurent Pinchart
2017-04-24 10:24   ` Tomi Valkeinen
2017-04-20 21:33 ` [PATCH v2 06/10] drm: omapdrm: Rename GEM DMA sync functions Laurent Pinchart
2017-04-24 10:32   ` Tomi Valkeinen
2017-04-20 21:33 ` [PATCH v2 07/10] drm: omapdrm: Fix incorrect usage of the term 'cache coherency' Laurent Pinchart
2017-04-24 10:44   ` Tomi Valkeinen
2017-04-24 14:25     ` Laurent Pinchart
2017-04-25  9:07       ` Tomi Valkeinen
2017-04-20 21:33 ` [PATCH v2 08/10] drm: omapdrm: DMA-unmap pages for all buffer types when freeing buffers Laurent Pinchart
2017-04-27 10:48   ` Tomi Valkeinen
2017-04-20 21:33 ` [PATCH v2 09/10] drm: omapdrm: Map pages for DMA in DMA_TO_DEVICE direction Laurent Pinchart
2017-04-27 10:48   ` Tomi Valkeinen [this message]
2017-04-20 21:33 ` [PATCH v2 10/10] drm: omapdrm: Take GEM obj and DRM dev references when exporting dmabuf Laurent Pinchart
2017-04-20 23:08   ` Chris Wilson
2017-04-21  8:49     ` Laurent Pinchart
2017-05-08 18:59       ` [PATCH v2.1 10/10] drm: omapdrm: Take GEM object reference " Laurent Pinchart
2017-05-09  8:14 ` [PATCH v2 00/10] omapdrm: GEM objects fixes Tomi Valkeinen

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