[PATCH 19/80] drm/panfrost: Remove redundant pm_runtime_mark_last_busy() calls
Steven Price
steven.price at arm.com
Fri Jul 4 09:18:19 UTC 2025
On 04/07/2025 08:54, Sakari Ailus wrote:
> pm_runtime_put_autosuspend(), pm_runtime_put_sync_autosuspend(),
> pm_runtime_autosuspend() and pm_request_autosuspend() now include a call
> to pm_runtime_mark_last_busy(). Remove the now-reduntant explicit call to
> pm_runtime_mark_last_busy().
>
> Signed-off-by: Sakari Ailus <sakari.ailus at linux.intel.com>
Reviewed-by: Steven Price <steven.price at arm.com>
But this can't be merged via drm-misc until the PM changes have hit
Linus' tree and been backmerged to drm-misc-next.
Thanks,
Steve
> ---
> The cover letter of the set can be found here
> <URL:https://lore.kernel.org/linux-pm/20250704075225.3212486-1-sakari.ailus@linux.intel.com>.
>
> In brief, this patch depends on PM runtime patches adding marking the last
> busy timestamp in autosuspend related functions. The patches are here, on
> rc2:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git \
> pm-runtime-6.17-rc1
>
> drivers/gpu/drm/panfrost/panfrost_perfcnt.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/panfrost/panfrost_perfcnt.c b/drivers/gpu/drm/panfrost/panfrost_perfcnt.c
> index 563f16bae543..0dd62e8b2fa7 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_perfcnt.c
> +++ b/drivers/gpu/drm/panfrost/panfrost_perfcnt.c
> @@ -203,7 +203,6 @@ static int panfrost_perfcnt_disable_locked(struct panfrost_device *pfdev,
> panfrost_mmu_as_put(pfdev, perfcnt->mapping->mmu);
> panfrost_gem_mapping_put(perfcnt->mapping);
> perfcnt->mapping = NULL;
> - pm_runtime_mark_last_busy(pfdev->dev);
> pm_runtime_put_autosuspend(pfdev->dev);
>
> return 0;
> @@ -279,7 +278,6 @@ void panfrost_perfcnt_close(struct drm_file *file_priv)
> if (perfcnt->user == pfile)
> panfrost_perfcnt_disable_locked(pfdev, file_priv);
> mutex_unlock(&perfcnt->lock);
> - pm_runtime_mark_last_busy(pfdev->dev);
> pm_runtime_put_autosuspend(pfdev->dev);
> }
>
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