[Intel-gfx] [PATCH 2/2] drm/i915: Check SFC fusing before recording/dumping SFC_DONE

[Matt Roper]

On Xe_HP and beyond the SFC unit may be fused off, even if the
corresponding media engines are present.  Check the SFC-specific fusing
before trying to dump the SFC_DONE instances.

Cc: José Roberto de Souza <jose.souza at intel.com>
Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
---
 drivers/gpu/drm/i915/i915_gpu_error.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index b9f66dbd46bb..2a2d7643b551 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -753,7 +753,8 @@ static void err_print_gt(struct drm_i915_error_state_buf *m,
 			 * only exists if the corresponding VCS engine is
 			 * present.
 			 */
-			if (!HAS_ENGINE(gt->_gt, _VCS(i * 2)))
+			if ((gt->_gt->info.sfc_mask & BIT(i)) == 0 ||
+			    !HAS_ENGINE(gt->_gt, _VCS(i * 2)))
 				continue;
 
 			err_printf(m, "  SFC_DONE[%d]: 0x%08x\n", i,
@@ -1632,7 +1633,8 @@ static void gt_record_regs(struct intel_gt_coredump *gt)
 			 * only exists if the corresponding VCS engine is
 			 * present.
 			 */
-			if (!HAS_ENGINE(gt->_gt, _VCS(i * 2)))
+			if ((gt->_gt->info.sfc_mask & BIT(i)) == 0 ||
+			    !HAS_ENGINE(gt->_gt, _VCS(i * 2)))
 				continue;
 
 			gt->sfc_done[i] =
-- 
2.33.0