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drm/amd/powerplay: fix the issue of checking on message mapping 

The vega20_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: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Huang Rui 2019-02-25 19:43:00 +08:00 committed by Alex Deucher
parent d4631cba9e
commit 04cfc0c80d
1 changed files with 7 additions and 2 deletions
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9
drivers/gpu/drm/amd/powerplay/vega20_ppt.c
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@ -131,10 +131,15 @@ static int vega20_message_map[SMU_MSG_MAX_COUNT] = {
static int vega20_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 vega20_message_map[index];
val = vega20_message_map[index];
if (val > PPSMC_Message_Count)
return -EINVAL;
return val;
}
static int vega20_allocate_dpm_context(struct smu_context *smu)