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Wed, 18 Aug 2021 07:20:08 -0700 (PDT) Date: Wed, 18 Aug 2021 16:20:06 +0200 From: Daniel Vetter To: Michal Wajdeczko Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: Re: [Intel-gfx] [PATCH 2/4] drm/i915/guc: Print error name on CTB (de)registration failure Message-ID: References: <20210701155513.2024-1-michal.wajdeczko@intel.com> <20210701155513.2024-3-michal.wajdeczko@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210701155513.2024-3-michal.wajdeczko@intel.com> X-Operating-System: Linux phenom 5.10.0-7-amd64 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Thu, Jul 01, 2021 at 05:55:11PM +0200, Michal Wajdeczko wrote: > Instead of plain error value (%d) print more user friendly error > name (%pe). > > Signed-off-by: Michal Wajdeczko > --- > drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c > index a26bb55c0898..18d52c39f0c2 100644 > --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c > +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c > @@ -167,8 +167,8 @@ static int ct_register_buffer(struct intel_guc_ct *ct, u32 type, > err = guc_action_register_ct_buffer(ct_to_guc(ct), type, > desc_addr, buff_addr, size); > if (unlikely(err)) > - CT_ERROR(ct, "Failed to register %s buffer (err=%d)\n", > - guc_ct_buffer_type_to_str(type), err); > + CT_ERROR(ct, "Failed to register %s buffer (%pe)\n", > + guc_ct_buffer_type_to_str(type), ERR_PTR(err)); errname() is what you want here, not this convoluted jumping through hoops to fake an error pointer. With that: Reviewed-by: Daniel Vetter > return err; > } > > @@ -195,8 +195,8 @@ static int ct_deregister_buffer(struct intel_guc_ct *ct, u32 type) > int err = guc_action_deregister_ct_buffer(ct_to_guc(ct), type); > > if (unlikely(err)) > - CT_ERROR(ct, "Failed to deregister %s buffer (err=%d)\n", > - guc_ct_buffer_type_to_str(type), err); > + CT_ERROR(ct, "Failed to deregister %s buffer (%pe)\n", > + guc_ct_buffer_type_to_str(type), ERR_PTR(err)); > return err; > } > > -- > 2.25.1 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch