diff options
| author | Victor Lu <victorchengchi.lu@amd.com> | 2024-02-13 17:28:40 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-02-22 10:27:31 -0500 |
| commit | bea07b215d5530a1c351737f95d026532a7c6e3c (patch) | |
| tree | f2bb1a78b4a3bf827c44cafbff9d58ef43e113ff /drivers/gpu/drm/amd/amdgpu | |
| parent | 8093383ae7f5f196e3d4f3cc47abb557c81b9e6f (diff) | |
drm/amdgpu: Do not program IH_CHICKEN in vega20_ih.c under SRIOV
IH_CHICKEN is blocked for VF writes; this access should be skipped.
Signed-off-by: Victor Lu <victorchengchi.lu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vega20_ih.c | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c index db66e6cccaf2..b9e785846637 100644 --- a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c @@ -291,27 +291,29 @@ static int vega20_ih_irq_init(struct amdgpu_device *adev) adev->nbio.funcs->ih_control(adev); - if ((amdgpu_ip_version(adev, OSSSYS_HWIP, 0) == IP_VERSION(4, 2, 1)) && - adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) { - ih_chicken = RREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN); - if (adev->irq.ih.use_bus_addr) { - ih_chicken = REG_SET_FIELD(ih_chicken, IH_CHICKEN, - MC_SPACE_GPA_ENABLE, 1); + if (!amdgpu_sriov_vf(adev)) { + if ((amdgpu_ip_version(adev, OSSSYS_HWIP, 0) == IP_VERSION(4, 2, 1)) && + adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) { + ih_chicken = RREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN); + if (adev->irq.ih.use_bus_addr) { + ih_chicken = REG_SET_FIELD(ih_chicken, IH_CHICKEN, + MC_SPACE_GPA_ENABLE, 1); + } + WREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN, ih_chicken); } - WREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN, ih_chicken); - } - /* psp firmware won't program IH_CHICKEN for aldebaran - * driver needs to program it properly according to - * MC_SPACE type in IH_RB_CNTL */ - if ((amdgpu_ip_version(adev, OSSSYS_HWIP, 0) == IP_VERSION(4, 4, 0)) || - (amdgpu_ip_version(adev, OSSSYS_HWIP, 0) == IP_VERSION(4, 4, 2))) { - ih_chicken = RREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN_ALDEBARAN); - if (adev->irq.ih.use_bus_addr) { - ih_chicken = REG_SET_FIELD(ih_chicken, IH_CHICKEN, - MC_SPACE_GPA_ENABLE, 1); + /* psp firmware won't program IH_CHICKEN for aldebaran + * driver needs to program it properly according to + * MC_SPACE type in IH_RB_CNTL */ + if ((amdgpu_ip_version(adev, OSSSYS_HWIP, 0) == IP_VERSION(4, 4, 0)) || + (amdgpu_ip_version(adev, OSSSYS_HWIP, 0) == IP_VERSION(4, 4, 2))) { + ih_chicken = RREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN_ALDEBARAN); + if (adev->irq.ih.use_bus_addr) { + ih_chicken = REG_SET_FIELD(ih_chicken, IH_CHICKEN, + MC_SPACE_GPA_ENABLE, 1); + } + WREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN_ALDEBARAN, ih_chicken); } - WREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN_ALDEBARAN, ih_chicken); } for (i = 0; i < ARRAY_SIZE(ih); i++) { |