[PATCH 1/1] drm/amdgpu: fix hdp register access error

[Zhang, Hawking]

[AMD Public Use]

Thanks.

Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>

Regards,
Hawking
-----Original Message-----
From: Stanley.Yang <Stanley.Yang at amd.com> 
Sent: Tuesday, September 22, 2020 17:10
To: amd-gfx at lists.freedesktop.org
Cc: Zhang, Hawking <Hawking.Zhang at amd.com>; Yang, Stanley <Stanley.Yang at amd.com>
Subject: [PATCH 1/1] 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 at amd.com>
Change-Id: I4375a8a67d3a13f9605479e169169e22dd5833d1
---
 drivers/gpu/drm/amd/amdgpu/nv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c index 0ec66030bd11..bc894cfba60c 100644
--- 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);
--
2.17.1