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drm/amdgpu: fix the issue of checking on message mapping

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The navi10_message_map[index] scope should be in PPSMC_Message_Count not in
SMU_MSG_MAX_COUNT.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Huang Rui 2019-02-20 20:00:21 +08:00 committed by Alex Deucher
parent 336a1c825e
commit c16d001bf2
1 changed files with 7 additions and 2 deletions
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9
drivers/gpu/drm/amd/powerplay/navi10_ppt.c
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@ -101,10 +101,15 @@ static int navi10_message_map[SMU_MSG_MAX_COUNT] = {
static int navi10_get_smu_msg_index(struct smu_context *smc, uint32_t index)
{
if (index > SMU_MSG_MAX_COUNT || index > PPSMC_Message_Count)
int val;
if (index > SMU_MSG_MAX_COUNT)
return -EINVAL;
return navi10_message_map[index];
val = navi10_message_map[index];
if (val > PPSMC_Message_Count)
return -EINVAL;
return val;
}
static int