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(parent: 82b1179) | patch
drm/xe/mmio: Check MMIO BAR size when initializing tiles
authorMichal Wajdeczko <michal.wajdeczko@intel.com>
Mon, 22 Jun 2026 13:23:41 +0000 (15:23 +0200)
committerMichal Wajdeczko <michal.wajdeczko@intel.com>
Tue, 23 Jun 2026 17:16:42 +0000 (19:16 +0200)
commit699ca9d4ec71e74c40e394bfa7616b56c82279fa
tree6f85764727b1cd8741377e96488f065cdf5d3d3ftree | snapshot
parent82b117980acdc1651b51ccb1f2af6becb350daf7commit | diff
drm/xe/mmio: Check MMIO BAR size when initializing tiles

We initialized all remote tiles' xe_mmio structures with a new size
of 4MiB and offsets of 16MiB without sanity checks to see if mapped
GTTMMADR_BAR was actually at least that size.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patch.msgid.link/20260622132342.19600-6-michal.wajdeczko@intel.com
drivers/gpu/drm/xe/xe_mmio.c diff | blob | history
Linux kernels and configurations used by Zygo.