Re: [PATCH v2 2/9] drm/exynos: ipp: Add IPP v2 framework

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Dear Hoegeun,

On 2017-10-11 07:49, Hoegeun Kwon wrote:
Hi Marek,

Currently, IPP v2 and gsc do not seem to have any code to
check for hardware limits. How can I check the hardware limits
of device(gsc, rotator, ...) at IPP v2?


From userspace one can issue DRM_IOCTL_EXYNOS_IPP_GET_LIMITS ioctl,
some examples can be found in Tobias' libdrm git:
https://github.com/tobiasjakobi/libdrm/blob/ippv2/exynos/exynos_ipp.c

In the current version of patches, GSC and FIMC drivers have no limits
defined, because the old v1 IPP drivers didn't have such information.
I will try to add them in v3 of this patchset, I will also include your
recently proposed updates to GSC driver bindings and rotated image size
limit.

> ...

Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland

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