Re: [PATCH v2 2/3] drm/xe/pcode: Improve PCODE logging using xe_log helper

[Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>]

On Wed, Aug 12, 2026 at 06:04:52PM +0530, Mallesh Koujalagi wrote:
>Use xe_log helper for PCODE errors instead of drm_err(). This
>adds PCODE component tag, making issues easier to detect and
>track with automated tools.
>
>Signed-off-by: Mallesh Koujalagi <mallesh.koujalagi@intel.com>
>---
>v2:
>- s/pcode/PCODE. (Michal)
>- Drop PCODE in xe_log_err.
>---
> drivers/gpu/drm/xe/xe_pcode.c | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
>diff --git a/drivers/gpu/drm/xe/xe_pcode.c b/drivers/gpu/drm/xe/xe_pcode.c
>index ccc3bdeed6bb..c69440ea477b 100644
>--- a/drivers/gpu/drm/xe/xe_pcode.c
>+++ b/drivers/gpu/drm/xe/xe_pcode.c
>@@ -14,6 +14,7 @@
> #include "regs/xe_pmt.h"
> #include "xe_assert.h"
> #include "xe_device.h"
>+#include "xe_log.h"
> #include "xe_mmio.h"
> #include "xe_pcode_api.h"
> #include "xe_pm.h"
>@@ -219,8 +220,8 @@ int xe_pcode_request(struct xe_tile *tile, u32 mbox, u32 request,
> 	 * requests, and for any quirks of the PCODE firmware that delays
> 	 * the request completion.
> 	 */
>-	drm_err(&tile_to_xe(tile)->drm,
>-		"PCODE timeout, retrying with preemption disabled\n");
>+	xe_log_err(tile, PCODE, -ETIMEDOUT,
>+		   "Timeout, retrying with preemption disabled\n");
> 	preempt_disable();
> 	ret = pcode_try_request(tile, mbox, request, reply_mask, reply, &status,
> 				true, 50 * 1000, true);

After this code does a retry, there can still be a failure which the 
current code does not log. I think we should use an xe_log_err after the 
retry fails rather than the above. Here's what I mean:

https://patchwork.freedesktop.org/patch/745830/?series=172039&rev=1

Thanks,
Umesh


>@@ -320,8 +321,8 @@ int xe_pcode_ready(struct xe_device *xe, bool locked)
> 		mutex_unlock(&tile->pcode.lock);
>
> 	if (ret)
>-		drm_err(&xe->drm,
>-			"PCODE initialization timedout after: 3 min\n");
>+		xe_log_err(xe, PCODE, ret,
>+			   "Initialization timedout after: 3 min\n");
>
> 	return ret;
> }
>-- 
>2.48.1
>