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drm/amdgpu: skip hdp invalidation for HDP 4.4.2

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No mmHDP_READ_CACHE_INVALIDATE register on HDP 4.4.2.

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Le Ma 2021-08-31 13:32:20 +08:00 committed by Alex Deucher
parent 4f17289f14
commit 2024ccc8e2
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c
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@ -49,7 +49,8 @@ static void hdp_v4_0_flush_hdp(struct amdgpu_device *adev,
static void hdp_v4_0_invalidate_hdp(struct amdgpu_device *adev,
struct amdgpu_ring *ring)
{
if (adev->ip_versions[HDP_HWIP][0] == IP_VERSION(4, 4, 0))
if (adev->ip_versions[HDP_HWIP][0] == IP_VERSION(4, 4, 0) ||
adev->ip_versions[HDP_HWIP][0] == IP_VERSION(4, 4, 2))
return;
if (!ring || !ring->funcs->emit_wreg)