diff options
| author | Eric Huang <jinhuieric.huang@amd.com> | 2021-06-02 15:05:20 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-06-04 16:02:38 -0400 |
| commit | 810085ddb7b76c1cc5059a1feb3b1250eceacf23 (patch) | |
| tree | 64918b4dc5f46a6ddb8ddf04d39d1631db21d2e2 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | 9fd4781b5828f96b9ea1128beb7323923502e553 (diff) | |
drm/amdgpu: Don't flush/invalidate HDP for APUs and A+A
Integrate two generic functions to determine if HDP
flush is needed for all Asics.
Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 0585442b000e..f6e10653d828 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -313,9 +313,9 @@ void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos, if (write) { memcpy_toio(addr, buf, count); mb(); - amdgpu_asic_flush_hdp(adev, NULL); + amdgpu_device_flush_hdp(adev, NULL); } else { - amdgpu_asic_invalidate_hdp(adev, NULL); + amdgpu_device_invalidate_hdp(adev, NULL); mb(); memcpy_fromio(buf, addr, count); } @@ -5475,4 +5475,31 @@ bool amdgpu_device_load_pci_state(struct pci_dev *pdev) return true; } +void amdgpu_device_flush_hdp(struct amdgpu_device *adev, + struct amdgpu_ring *ring) +{ +#ifdef CONFIG_X86_64 + if (adev->flags & AMD_IS_APU) + return; +#endif + if (adev->gmc.xgmi.connected_to_cpu) + return; + + if (ring && ring->funcs->emit_hdp_flush) + amdgpu_ring_emit_hdp_flush(ring); + else + amdgpu_asic_flush_hdp(adev, ring); +} +void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev, + struct amdgpu_ring *ring) +{ +#ifdef CONFIG_X86_64 + if (adev->flags & AMD_IS_APU) + return; +#endif + if (adev->gmc.xgmi.connected_to_cpu) + return; + + amdgpu_asic_invalidate_hdp(adev, ring); +} |