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

[Mikko Perttunen]

On 2/23/24 03:06, Thierry Reding wrote:
> On Thu Feb 22, 2024 at 2:05 AM CET, Mikko Perttunen wrote:
>> From: Mikko Perttunen <mperttunen at 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 at 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. Sorry for messing it up :p

Mikko

> 
> Thanks,
> Thierry