dasharo/linux
0
0
Fork 0
mirror of https://github.com/Dasharo/linux.git synced 2026-03-06 15:25:10 -08:00
Code Issues Packages Projects Releases Wiki Activity

drm/amdgpu: Disable baco dummy mode

Browse Source 
On aldebaran, BACO dummy mode may be enabled during reset. Disable
it during resume.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar
2022-03-03 09:13:22 +05:30
committed by Alex Deucher
parent f6d790e5a7
commit bb7c3e9ce2
1 changed files with 15 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
View File

@@ -362,9 +362,24 @@ const struct nbio_hdp_flush_reg nbio_v7_4_hdp_flush_reg_ald = {
static void nbio_v7_4_init_registers(struct amdgpu_device *adev)
{
uint32_t baco_cntl;
if (amdgpu_sriov_vf(adev))
adev->rmmio_remap.reg_offset = SOC15_REG_OFFSET(NBIO, 0,
mmBIF_BX_DEV0_EPF0_VF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 2;
if (adev->ip_versions[NBIO_HWIP][0] == IP_VERSION(7, 4, 4) &&
!amdgpu_sriov_vf(adev)) {
baco_cntl = RREG32_SOC15(NBIO, 0, mmBACO_CNTL);
if (baco_cntl &
(BACO_CNTL__BACO_DUMMY_EN_MASK | BACO_CNTL__BACO_EN_MASK)) {
baco_cntl &= ~(BACO_CNTL__BACO_DUMMY_EN_MASK |
BACO_CNTL__BACO_EN_MASK);
dev_dbg(adev->dev, "Unsetting baco dummy mode %x",
baco_cntl);
WREG32_SOC15(NBIO, 0, mmBACO_CNTL, baco_cntl);
}
}
}
static void nbio_v7_4_handle_ras_controller_intr_no_bifring(struct amdgpu_device *adev)