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| author | Huang Rui <ray.huang@amd.com> | 2019-02-25 14:43:00 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 23:04:02 +0300 |
| commit | 04cfc0c80d8a9a727929b589954757823c22e445 (patch) | |
| tree | 654cbb7dff8a1effdbcd0ce48c0eadf32498a292 /drivers/gpu | |
| parent | d4631cba9ebe6743df123e7c99372dfb2f840d1f (diff) | |
| download | linux-04cfc0c80d8a9a727929b589954757823c22e445.tar.xz | |
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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c index e6db56d158eb..6763dcd21cf1 100644 --- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c @@ -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) |