From: Matt Roper Date: Fri, 17 Sep 2021 16:12:03 +0000 (-0700) Subject: drm/i915: Check SFC fusing before recording/dumping SFC_DONE X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=45f63790e456455be6a69630042611083effe09b;p=linux.git drm/i915: Check SFC fusing before recording/dumping SFC_DONE 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 Signed-off-by: Matt Roper Reviewed-by: José Roberto de Souza Link: https://patchwork.freedesktop.org/patch/msgid/20210917161203.812251-3-matthew.d.roper@intel.com --- diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index b9f66dbd46bbf..2a2d7643b5511 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] =