From: Clint Taylor <clinton.a.taylor@xxxxxxxxx> Do not read DE_RRMR register after display version 20. This register contains display state information during GFX state dumps. Bspec: 69456 Cc: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx> Cc: Gustavo Sousa <gustavo.sousa@xxxxxxxxx> Signed-off-by: Clint Taylor <clinton.a.taylor@xxxxxxxxx> Reviewed-by: Matt Roper <matthew.d.roper@xxxxxxxxx> Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx> --- drivers/gpu/drm/i915/i915_gpu_error.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 4008bb09fdb5..a28681c15354 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -1757,7 +1757,7 @@ static void gt_record_display_regs(struct intel_gt_coredump *gt) struct intel_uncore *uncore = gt->_gt->uncore; struct drm_i915_private *i915 = uncore->i915; - if (GRAPHICS_VER(i915) >= 6) + if (DISPLAY_VER(i915) >= 6 && DISPLAY_VER(i915) < 20) gt->derrmr = intel_uncore_read(uncore, DERRMR); if (GRAPHICS_VER(i915) >= 8) -- 2.40.1
