drm/xe: Change pcode timeout to 50msec while polling again

Polling is initially attempted with timeout_base_ms enabled for
preemption, and if it exceeds this timeframe, another attempt is made
without preemption, allowing an additional 50 ms before timing out.

v2
- Rebase

v3
- Move warnings to separate patch (Lucas)

Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Fixes: 7dc9b92d ("drm/xe: Remove i915_utils dependency from xe_pcode.")
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240508152216.3263109-2-himal.prasad.ghimiray@intel.comSigned-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit c81858eb)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>

drivers/gpu/drm/xe/xe_pcode.c

@@ -191,7 +191,7 @@ int xe_pcode_request(struct xe_gt *gt, u32 mbox, u32 request,
 	drm_WARN_ON_ONCE(&gt_to_xe(gt)->drm, timeout_base_ms > 1);
 	preempt_disable();
 	ret = pcode_try_request(gt, mbox, request, reply_mask, reply, &status,
-				true, timeout_base_ms * 1000, true);
+				true, 50 * 1000, true);
 	preempt_enable();
 
 out: