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drm/amd/display: prevent S4 test from failing

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

Reviewed-by: Hansen Dsouza <Hansen.Dsouza@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Charlene Liu 2022-09-20 09:23:06 -04:00 committed by Alex Deucher
parent 96ab3cb3b0
commit dfb3367bd0
1 changed files with 1 additions and 7 deletions
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8
drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c
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@ -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);