Commit 66ec4c1a authored by Ville Syrjälä's avatar Ville Syrjälä Committed by Andi Shyti
Browse files

drm/i915: Document which RING_FAULT bits apply to which platforms 



The RING_FAULT bits have change a bit over the years. Document
which platforms use which bits.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: default avatarAndi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: default avatarAndi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250211231941.22769-5-ville.syrjala@linux.intel.com
parent f46fa84b

drivers/gpu/drm/i915/gt/intel_gt_regs.h

+3 −3
Original line number Diff line number Diff line
@@ -326,10 +326,10 @@ 
							    _RING_FAULT_REG_VCS, \

							    _RING_FAULT_REG_VECS, \

							    _RING_FAULT_REG_BCS))

#define   RING_FAULT_ENGINE_ID_MASK		REG_GENMASK(16, 12)

#define   RING_FAULT_GTTSEL_MASK		REG_BIT(11)

#define   RING_FAULT_ENGINE_ID_MASK		REG_GENMASK(16, 12) /* bdw+ */

#define   RING_FAULT_GTTSEL_MASK		REG_BIT(11) /* pre-bdw */

#define   RING_FAULT_SRCID_MASK			REG_GENMASK(10, 3)

#define   RING_FAULT_FAULT_TYPE_MASK		REG_GENMASK(2, 1)

#define   RING_FAULT_FAULT_TYPE_MASK		REG_GENMASK(2, 1) /* ivb+ */

#define   RING_FAULT_VALID			REG_BIT(0)



#define ERROR_GEN6				_MMIO(0x40a0)