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-rw-r--r--drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c
index 5c54c9fd4461..a76fc15a55f5 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c
@@ -144,6 +144,10 @@ int atomctrl_initialize_mc_reg_table(
vram_info = (ATOM_VRAM_INFO_HEADER_V2_1 *)
smu_atom_get_data_table(hwmgr->adev,
GetIndexIntoMasterTable(DATA, VRAM_Info), &size, &frev, &crev);
+ if (!vram_info) {
+ pr_err("Could not retrieve the VramInfo table!");
+ return -EINVAL;
+ }
if (module_index >= vram_info->ucNumOfVRAMModule) {
pr_err("Invalid VramInfo table.");
@@ -181,6 +185,10 @@ int atomctrl_initialize_mc_reg_table_v2_2(
vram_info = (ATOM_VRAM_INFO_HEADER_V2_2 *)
smu_atom_get_data_table(hwmgr->adev,
GetIndexIntoMasterTable(DATA, VRAM_Info), &size, &frev, &crev);
+ if (!vram_info) {
+ pr_err("Could not retrieve the VramInfo table!");
+ return -EINVAL;
+ }
if (module_index >= vram_info->ucNumOfVRAMModule) {
pr_err("Invalid VramInfo table.");