On Wed, Nov 01, 2023 at 02:44:46PM -0700, Zhanjun Dong wrote: > The gt wedged could be triggered by missing guc firmware file, HW not > working, etc. Once triggered, it means all gt usage is dead, therefore we > can't enable pxp under this fatal error condition. > > v2: Updated commit message. > > Signed-off-by: Zhanjun Dong <zhanjun.dong@xxxxxxxxx> > --- > drivers/gpu/drm/i915/pxp/intel_pxp.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp.c b/drivers/gpu/drm/i915/pxp/intel_pxp.c > index dc327cf40b5a..923f233c91e1 100644 > --- a/drivers/gpu/drm/i915/pxp/intel_pxp.c > +++ b/drivers/gpu/drm/i915/pxp/intel_pxp.c > @@ -212,6 +212,9 @@ int intel_pxp_init(struct drm_i915_private *i915) > if (!gt) > return -ENODEV; > > + if (intel_gt_is_wedged(gt)) > + return -ENODEV; we need some error message. also we need to fix the fact that these returns are entirely ignored. or you convert this function to void and then add a message here before return; on this case. Or you return some different error and at probe if error but error different then ENODEV you print a message saying pxp init failed. but we need some log/error information. I honestly would prefer to convert to void and print the msg here. with some changes like this you can count with my rv-b > + > /* > * At this point, we will either enable full featured PXP capabilities > * including session and object management, or we will init the backend tee > -- > 2.34.1 >
