UPSTREAM: drm/i915/dsb: Decode DSB error interrupts

Decode the DSB error interrupts into human readable
form for easier debugging.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250207223159.14132-9-ville.syrjala@linux.intel.com


Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
(cherry picked from commit f9f34d44)

Bug: 432032023
Test: None
Change-Id: I6781d735e7b553838b5e0a9ddfa8c79777042312
Signed-off-by: Ap, Kamal <kamal.ap@intel.corp-partner.google.com>