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path: root/drivers/gpu/drm/xe/xe_nvm.c
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_nvm.c')
-rw-r--r--drivers/gpu/drm/xe/xe_nvm.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/xe/xe_nvm.c b/drivers/gpu/drm/xe/xe_nvm.c
index 33487e91f366..1ea67eaeae24 100644
--- a/drivers/gpu/drm/xe/xe_nvm.c
+++ b/drivers/gpu/drm/xe/xe_nvm.c
@@ -60,35 +60,40 @@ static bool xe_nvm_writable_override(struct xe_device *xe)
struct xe_mmio *mmio = xe_root_tile_mmio(xe);
bool writable_override;
struct xe_reg reg;
- u32 test_bit;
+ u32 test_bit, test_val;
switch (xe->info.platform) {
case XE_CRESCENTISLAND:
reg = PCODE_SCRATCH(0);
test_bit = FDO_MODE;
+ test_val = FDO_MODE;
break;
case XE_BATTLEMAGE:
reg = HECI_FWSTS2(DG2_GSC_HECI2_BASE);
test_bit = HECI_FW_STATUS_2_NVM_ACCESS_MODE;
+ test_val = 0;
break;
case XE_PVC:
reg = HECI_FWSTS2(PVC_GSC_HECI2_BASE);
test_bit = HECI_FW_STATUS_2_NVM_ACCESS_MODE;
+ test_val = 0;
break;
case XE_DG2:
reg = HECI_FWSTS2(DG2_GSC_HECI2_BASE);
test_bit = HECI_FW_STATUS_2_NVM_ACCESS_MODE;
+ test_val = 0;
break;
case XE_DG1:
reg = HECI_FWSTS2(DG1_GSC_HECI2_BASE);
test_bit = HECI_FW_STATUS_2_NVM_ACCESS_MODE;
+ test_val = 0;
break;
default:
drm_err(&xe->drm, "Unknown platform\n");
return true;
}
- writable_override = !(xe_mmio_read32(mmio, reg) & test_bit);
+ writable_override = (xe_mmio_read32(mmio, reg) & test_bit) == test_val;
if (writable_override)
drm_info(&xe->drm, "NVM access overridden by jumper\n");
return writable_override;