[PATCH] drm/xe/nvm: Use root tile mmio

[Riana Tauro]

To allow initialization of nvm during early probe for future usecases,
use root tile instead of root gt to access mmios, as gt is not 
yet initialized at early probe.

v2: fix commit message (Lucas)

Signed-off-by: Riana Tauro <riana.tauro at intel.com>
---
 drivers/gpu/drm/xe/xe_nvm.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_nvm.c b/drivers/gpu/drm/xe/xe_nvm.c
index 61b0a1531a53..9ca4a5ae1693 100644
--- a/drivers/gpu/drm/xe/xe_nvm.c
+++ b/drivers/gpu/drm/xe/xe_nvm.c
@@ -39,17 +39,17 @@ static void xe_nvm_release_dev(struct device *dev)
 
 static bool xe_nvm_non_posted_erase(struct xe_device *xe)
 {
-	struct xe_gt *gt = xe_root_mmio_gt(xe);
+	struct xe_mmio *mmio = xe_root_tile_mmio(xe);
 
 	if (xe->info.platform != XE_BATTLEMAGE)
 		return false;
-	return !(xe_mmio_read32(&gt->mmio, XE_REG(GEN12_CNTL_PROTECTED_NVM_REG)) &
+	return !(xe_mmio_read32(mmio, XE_REG(GEN12_CNTL_PROTECTED_NVM_REG)) &
 		 NVM_NON_POSTED_ERASE_CHICKEN_BIT);
 }
 
 static bool xe_nvm_writable_override(struct xe_device *xe)
 {
-	struct xe_gt *gt = xe_root_mmio_gt(xe);
+	struct xe_mmio *mmio = xe_root_tile_mmio(xe);
 	bool writable_override;
 	resource_size_t base;
 
@@ -72,7 +72,7 @@ static bool xe_nvm_writable_override(struct xe_device *xe)
 	}
 
 	writable_override =
-		!(xe_mmio_read32(&gt->mmio, HECI_FWSTS2(base)) &
+		!(xe_mmio_read32(mmio, HECI_FWSTS2(base)) &
 		  HECI_FW_STATUS_2_NVM_ACCESS_MODE);
 	if (writable_override)
 		drm_info(&xe->drm, "NVM access overridden by jumper\n");
-- 
2.47.1