It is reported that on a Topaz dGPU the kernel emits: amdgpu: can't get the mac of 5 This is because there is no definition for max levels of VDDGFX declared for SMU71 or SMU7. The correct definition is VDDC so use this. Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3049 Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> --- v1->v2: * s/VDDGFX/VDDC/ --- drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c | 2 ++ drivers/gpu/drm/amd/pm/powerplay/smumgr/iceland_smumgr.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c index 9e4228232f02..afe5e18f28db 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c @@ -2303,6 +2303,8 @@ static uint32_t ci_get_mac_definition(uint32_t value) return SMU7_MAX_LEVELS_VDDCI; case SMU_MAX_LEVELS_MVDD: return SMU7_MAX_LEVELS_MVDD; + case SMU_MAX_LEVELS_VDDGFX: + return SMU7_MAX_LEVELS_VDDC; } pr_debug("can't get the mac of %x\n", value); diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/iceland_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/iceland_smumgr.c index 97d9802fe673..b4b2a3c96679 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/iceland_smumgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/iceland_smumgr.c @@ -2268,6 +2268,8 @@ static uint32_t iceland_get_mac_definition(uint32_t value) return SMU71_MAX_LEVELS_VDDCI; case SMU_MAX_LEVELS_MVDD: return SMU71_MAX_LEVELS_MVDD; + case SMU_MAX_LEVELS_VDDGFX: + return SMU71_MAX_LEVELS_VDDC; } pr_warn("can't get the mac of %x\n", value); -- 2.34.1
