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drm/amd/amdgpu: Increase HWIP_MAX_INSTANCE to 10

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commit 67a44e6598 upstream.

Seems like newer cards can have even more instances now.
Found by UBSAN: array-index-out-of-bounds in
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:318:29
index 8 is out of range for type 'uint32_t *[8]'

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1697
Cc: stable@vger.kernel.org
Signed-off-by: Ernst Sjöstrand <ernstp@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ernst Sjöstrand
2021-09-02 09:50:27 +02:00
committed by Greg Kroah-Hartman
parent 87f7032dc2
commit 8f95553f00
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -717,7 +717,7 @@ enum amd_hw_ip_block_type {
MAX_HWIP
};
#define HWIP_MAX_INSTANCE 8
#define HWIP_MAX_INSTANCE 10
struct amd_powerplay {
void *pp_handle;