[1/9] gpu: host1x: Add missing DMA API include

Host1x seems to be relying on picking up dma-mapping.h transitively from
iova.h, which has no reason to include it in the first place. Fix the
former issue before we totally break things by fixing the latter one.

CC: Thierry Reding <thierry.reding@gmail.com>
CC: Mikko Perttunen <mperttunen@nvidia.com>
CC: dri-devel@lists.freedesktop.org
CC: linux-tegra@vger.kernel.org
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
---

Feel free to pick this into drm-misc-next or drm-misc-fixes straight
away if that suits - it's only to avoid a build breakage once the rest
of the series gets queued.

Robin.

 drivers/gpu/host1x/bus.c | 1 +
 1 file changed, 1 insertion(+)

On 2021-11-23 14:10, Robin Murphy wrote:
> Host1x seems to be relying on picking up dma-mapping.h transitively from
> iova.h, which has no reason to include it in the first place. Fix the
> former issue before we totally break things by fixing the latter one.
> 
> CC: Thierry Reding <thierry.reding@gmail.com>
> CC: Mikko Perttunen <mperttunen@nvidia.com>
> CC: dri-devel@lists.freedesktop.org
> CC: linux-tegra@vger.kernel.org
> Signed-off-by: Robin Murphy <robin.murphy@arm.com>
> ---
> 
> Feel free to pick this into drm-misc-next or drm-misc-fixes straight
> away if that suits - it's only to avoid a build breakage once the rest
> of the series gets queued.

Bah, seems like tegra-vic needs the same treatment too, but wasn't in my 
local config. Should I squash that into a respin of this patch on the 
grounds of being vaguely related, or would you prefer it separate?

(Either way I'll wait a little while to see if the buildbots uncover any 
more...)

Cheers,
Robin.

>   drivers/gpu/host1x/bus.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c
> index 218e3718fd68..881fad5c3307 100644
> --- a/drivers/gpu/host1x/bus.c
> +++ b/drivers/gpu/host1x/bus.c
> @@ -5,6 +5,7 @@
>    */
>   
>   #include <linux/debugfs.h>
> +#include <linux/dma-mapping.h>
>   #include <linux/host1x.h>
>   #include <linux/of.h>
>   #include <linux/seq_file.h>
>

Hi Robin,

On Wed, Nov 24, 2021 at 02:05:15PM +0000, Robin Murphy wrote:
> Bah, seems like tegra-vic needs the same treatment too, but wasn't in my
> local config. Should I squash that into a respin of this patch on the
> grounds of being vaguely related, or would you prefer it separate?

In case this fix gets queued in the iommu-tree too, please put it all in
one patch.

Thanks,

	Joerg