Commit 06199554 authored Oct 11, 2016 by Trigger Huang Committed by Alex Deucher Nov 11, 2016

drm/amd/powerplay:Tonga not to start SMC if SRIOV



This patch is used for virtualization support. In virtualization case,
Tonga SMC should not be started and SMU firmware should not be loaded
if in SRIOV environment. The same operation will be applied on FIJI in
other patch.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Signed-off-by: Trigger Huang <trigger.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent aa4747c0

drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -140,7 +140,8 @@ static int tonga_start_smu(struct pp_smumgr *smumgr)
		int result;

		/* Only start SMC if SMC RAM is not running */
		if (!smu7_is_smc_ram_running(smumgr)) {
		if (!(smu7_is_smc_ram_running(smumgr) \|\|
		cgs_is_virtualization_enabled(smumgr->device))) {
		/Check if SMU is running in protected mode/
		if (0 == SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
		SMU_FIRMWARE, SMU_MODE)) {

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