[Intel-gfx] [PATCH 20/42] drm/i915/xe2lpd: Register DE_RRMR has been removed

[Lucas De Marchi]

From: Clint Taylor <clinton.a.taylor at 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.srivatsa at intel.com>
Cc: Gustavo Sousa <gustavo.sousa at intel.com>
Signed-off-by: Clint Taylor <clinton.a.taylor at intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi at 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 4749f99e6320..fe2fa6f966f2 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -1755,7 +1755,7 @@ 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