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(parent: 80f349c) | patch
drm/amdgpu: Check for valid number of registers to read
authorTrek <trek00@inbox.ru>
Sat, 31 Aug 2019 19:25:36 +0000 (21:25 +0200)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 16 Sep 2019 15:42:56 +0000 (10:42 -0500)
commit13238d4fa6764fa74dcf863d5f2227765b3753eb
treee9fd7081de784563e3a5ffd52c8239bfbd5e7102tree | snapshot
parent80f349ce5572a1392dd4d8d25784378ad2c5f25dcommit | diff
drm/amdgpu: Check for valid number of registers to read

Do not try to allocate any amount of memory requested by the user.
Instead limit it to 128 registers. Actually the longest series of
consecutive allowed registers are 48, mmGB_TILE_MODE0-31 and
mmGB_MACROTILE_MODE0-15 (0x2644-0x2673).

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=111273
Signed-off-by: Trek <trek00@inbox.ru>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c diff | blob | history
Domain: System / Kernel;