From: Stanley.Yang <Stanley.Yang@amd.com>
Date: Tue, 22 Sep 2020 08:56:54 +0000 (+0800)
Subject: drm/amdgpu: fix hdp register access error
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=78f0aef11fdee20abfd0deec2e2ae37c72406bde;p=linux.git

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 0ec66030bd119..bc894cfba60c2 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);