drm/amdgpu: fix hdp register access error

mmHDP_READ_CACHE_INVALIDATE register is in HDP not in NBIO

Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index 0ec6603..bc894cf 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -621,7 +621,7 @@ static void nv_invalidate_hdp(struct amdgpu_device *adev,
                                struct amdgpu_ring *ring)
 {
        if (!ring || !ring->funcs->emit_wreg) {
-               WREG32_SOC15_NO_KIQ(NBIO, 0, mmHDP_READ_CACHE_INVALIDATE, 1);
+               WREG32_SOC15_NO_KIQ(HDP, 0, mmHDP_READ_CACHE_INVALIDATE, 1);
        } else {
                amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET(
                                        HDP, 0, mmHDP_READ_CACHE_INVALIDATE), 1);