From: Clint Taylor <clinton.a.tay...@intel.com>
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.sriva...@intel.com>
Cc: Gustavo Sousa <gustavo.so...@intel.com>
Signed-off-by: Clint Taylor <clinton.a.tay...@intel.com>
Reviewed-by: Matt Roper <matthew.d.ro...@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demar...@intel.com>
---
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
