Commit dfb3367b authored by Charlene Liu's avatar Charlene Liu Committed by Alex Deucher
Browse files

drm/amd/display: prevent S4 test from failing 



[why]
limit the vm prefetch check for now, until the feature is fully
verified.

Reviewed-by: default avatarHansen Dsouza <Hansen.Dsouza@amd.com>
Acked-by: default avatarHamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: default avatarCharlene Liu <Charlene.Liu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 96ab3cb3

drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c

+1 −7
Original line number Diff line number Diff line
@@ -67,15 +67,9 @@ static uint32_t convert_and_clamp( 
void dcn21_dchvm_init(struct hubbub *hubbub)

{

	struct dcn20_hubbub *hubbub1 = TO_DCN20_HUBBUB(hubbub);

	uint32_t riommu_active, prefetch_done;

	uint32_t riommu_active;

	int i;



	REG_GET(DCHVM_RIOMMU_STAT0, HOSTVM_PREFETCH_DONE, &prefetch_done);



	if (prefetch_done) {

		hubbub->riommu_active = true;

		return;

	}

	//Init DCHVM block

	REG_UPDATE(DCHVM_CTRL0, HOSTVM_INIT_REQ, 1);