From: Jani Nikula Date: Mon, 14 Apr 2025 11:29:44 +0000 (+0300) Subject: drm/i915: record GEN2_IER in gtier[0] for pre-ilk error capture X-Git-Tag: v6.16-rc1~33^2~21^2~96 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=ef32101873f477fdfb5ac6e9cfed7c9c571636c9;p=linux-block.git drm/i915: record GEN2_IER in gtier[0] for pre-ilk error capture In pre-ilk platforms the engine interrupts live in GEN2_IER. Capture it as part of gtier instead of display. Suggested-by: Ville Syrjälä Reviewed-by: Ville Syrjälä Link: https://lore.kernel.org/r/f637219fe3accb69963266773b9ef7c1131875e4.1744630147.git.jani.nikula@intel.com Signed-off-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index df16c2b86b9d..b58bdb4b962b 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -1782,8 +1782,6 @@ static void gt_record_display_regs(struct intel_gt_coredump *gt) gt->ier = intel_uncore_read(uncore, VLV_IER); else if (HAS_PCH_SPLIT(i915)) gt->ier = intel_uncore_read(uncore, DEIER); - else - gt->ier = intel_uncore_read(uncore, GEN2_IER); } /* Capture all other registers that GuC doesn't capture. */ @@ -1822,6 +1820,9 @@ static void gt_record_global_nonguc_regs(struct intel_gt_coredump *gt) } else if (HAS_PCH_SPLIT(i915)) { gt->gtier[0] = intel_uncore_read(uncore, GTIER); gt->ngtier = 1; + } else { + gt->gtier[0] = intel_uncore_read(uncore, GEN2_IER); + gt->ngtier = 1; } gt->eir = intel_uncore_read(uncore, EIR);