[PATCH 1/5] drm/i915/gem: fix bitwise and logical AND mixup

[Matthew Auld]

On 18/09/2024 12:17, Jani Nikula wrote:
> CONFIG_DRM_I915_USERFAULT_AUTOSUSPEND is an int, defaulting to 250. When
> the wakeref is non-zero, it's either -1 or a dynamically allocated
> pointer, depending on CONFIG_DRM_I915_DEBUG_RUNTIME_PM. It's likely that
> the code works by coincidence with the bitwise AND, but with
> CONFIG_DRM_I915_DEBUG_RUNTIME_PM=y, there's the off chance that the
> condition evaluates to false, and intel_wakeref_auto() doesn't get
> called. Switch to the intended logical AND.
> 
> Fixes: ad74457a6b5a ("drm/i915/dgfx: Release mmap on rpm suspend")
> Cc: Matthew Auld <matthew.auld at intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Cc: Anshuman Gupta <anshuman.gupta at intel.com>
> Cc: Andi Shyti <andi.shyti at linux.intel.com>
> Cc: <stable at vger.kernel.org> # v6.1+
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>