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drm/amdgpu: Enable SDMA LS for Vangogh 

Add flags AMD_CG_SUPPORT_SDMA_LS for Vangogh.
Start to open sdma ls from firmware version 70.

Signed-off-by: Jinzhou Su <Jinzhou.Su@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jinzhou Su 2021-04-23 16:29:14 +08:00 committed by Alex Deucher
parent 71ff0b4d96
commit ec0f72cb95
2 changed files with 5 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/nv.c
View File

@ -1121,6 +1121,7 @@ static int nv_common_early_init(void *handle)
AMD_CG_SUPPORT_GFX_FGCG |
AMD_CG_SUPPORT_VCN_MGCG |
AMD_CG_SUPPORT_SDMA_MGCG |
AMD_CG_SUPPORT_SDMA_LS |
AMD_CG_SUPPORT_JPEG_MGCG;
adev->pg_flags = AMD_PG_SUPPORT_GFX_PG |
AMD_PG_SUPPORT_VCN |

4
drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
View File

@ -1593,6 +1593,10 @@ static void sdma_v5_2_update_medium_grain_light_sleep(struct amdgpu_device *adev
int i;
for (i = 0; i < adev->sdma.num_instances; i++) {
if (adev->sdma.instance[i].fw_version < 70 && adev->asic_type == CHIP_VANGOGH)
adev->cg_flags &= ~AMD_CG_SUPPORT_SDMA_LS;
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) {
/* Enable sdma mem light sleep */
def = data = RREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL));