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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2018-03-13 14:31:49 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2018-03-13 15:36:06 +0300 |
| commit | c7fb3c6c1893fddbbd39e13066489050c29397c1 (patch) | |
| tree | d5b95e111633cb4bb1feb65a9a13f81760c03d96 /drivers/gpu/drm/i915/intel_overlay.c | |
| parent | c5c2b11894f4f862cf243b955ac59bb1a5fe61b9 (diff) | |
| download | linux-c7fb3c6c1893fddbbd39e13066489050c29397c1.tar.xz | |
drm/i915: Use sseu size for determining eu_regs[]
eu_regs[] is written 2*max_slices times (like s_reg[]) but oddly read
2*max_slices + max_subslices/2 times. Allocate the array large enough
for the writes to avoid overwriting our stack and worry about the logic
later.
Fixes: 7aa0b14ede64 ("drm/i915: Remove variable length arrays from sseu debugfs printers")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105479
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180313113149.1094-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_overlay.c')
0 files changed, 0 insertions, 0 deletions