Re: [PATCH] gpu: host1x: Skip reset assert on Tegra186

["Thierry Reding" <thierry.reding@gmail.com>]

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On Thu Feb 22, 2024 at 2:05 AM CET, Mikko Perttunen wrote:
> From: Mikko Perttunen <mperttunen@nvidia.com>
>
> On Tegra186, secure world applications may need to access host1x
> during suspend/resume, and rely on the kernel to keep Host1x out
> of reset during the suspend cycle. As such, as a quirk,
> skip asserting Host1x's reset on Tegra186.
>
> We don't need to keep the clocks enabled, as BPMP ensures the clock
> stays on while Host1x is being used. On newer SoC's, the reset line
> is inaccessible, so there is no need for the quirk.
>
> Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
> ---
>  drivers/gpu/host1x/dev.c | 15 +++++++++------
>  drivers/gpu/host1x/dev.h |  6 ++++++
>  2 files changed, 15 insertions(+), 6 deletions(-)

Applied to drm-misc-fixes, though I added the Fixes: tag that Jon
mentioned in reply to v1 of this as well as his Reviewed-by and
Tested-by as well, since this is pretty much the same patch except
for the comments.

Thanks,
Thierry

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