Commit 2024ccc8 authored by Le Ma's avatar Le Ma Committed by Alex Deucher
Browse files

drm/amdgpu: skip hdp invalidation for HDP 4.4.2 



No mmHDP_READ_CACHE_INVALIDATE register on HDP 4.4.2.

Signed-off-by: default avatarLe Ma <le.ma@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 4f17289f

drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c

+2 −1
Original line number Diff line number Diff line
@@ -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)