Re: [PATCH] drm/mediatek: make imported PRIME buffers contiguous

From: Tomasz Figa
Date: Wed Jul 24 2019 - 00:22:21 EST


On Tue, Jul 23, 2019 at 2:34 PM Alexandre Courbot <acourbot@xxxxxxxxxxxx> wrote:
>
> This driver requires imported PRIME buffers to appear contiguously in
> its IO address space. Make sure this is the case by setting the maximum
> DMA segment size to a better value than the default 64K on the DMA
> device, and use said DMA device when importing PRIME buffers.
>
> Signed-off-by: Alexandre Courbot <acourbot@xxxxxxxxxxxx>
> ---
> drivers/gpu/drm/mediatek/mtk_drm_drv.c | 47 ++++++++++++++++++++++++--
> drivers/gpu/drm/mediatek/mtk_drm_drv.h | 2 ++
> 2 files changed, 46 insertions(+), 3 deletions(-)
>

Reviewed-by: Tomasz Figa <tfiga@xxxxxxxxxxxx>

Best regards,
Tomasz