drm/i915: In the debugfs interface, unmap our address instead of the page's.
Fixes a BUG_ON in kmap_atomic for the following atomic mapping with
USER0 type.
Signed-off-by: Eric Anholt <eric@anholt.net>
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 18476bf..463e8d0 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -272,7 +272,7 @@
mem = kmap_atomic(pages[page], KM_USER0);
for (i = 0; i < PAGE_SIZE; i += 4)
seq_printf(m, "%08x : %08x\n", i, mem[i / 4]);
- kunmap_atomic(pages[page], KM_USER0);
+ kunmap_atomic(mem, KM_USER0);
}
}