linux-kernel - [PATCH AUTOSEL 6.1 21/28] drm/amdgpu/soc21: don't remap HDP registers for SR-IOV

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Date:   Sun, 24 Sep 2023 09:17:38 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        Timmy Tsai <timmtsai@....com>, Sasha Levin <sashal@...nel.org>,
        Xinhui.Pan@....com, airlied@...il.com, daniel@...ll.ch,
        Hawking.Zhang@....com, Likun.Gao@....com, kenneth.feng@....com,
        aaron.liu@....com, veerabadhran.gopalakrishnan@....com,
        sonny.jiang@....com, Jane.Jian@....com, shane.xiao@....com,
        sunran001@...suo.com, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 6.1 21/28] drm/amdgpu/soc21: don't remap HDP registers for SR-IOV

From: Alex Deucher <alexander.deucher@....com>

[ Upstream commit 1832403cd41ca6b19b24e9d64f79cb08d920ca44 ]

This matches the behavior for soc15 and nv.

Acked-by: Christian König <christian.koenig@....com>
Reviewed-by: Timmy Tsai <timmtsai@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/amd/amdgpu/soc21.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/soc21.c b/drivers/gpu/drm/amd/amdgpu/soc21.c
index d150a90daa403..56af7b5abac14 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc21.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc21.c
@@ -755,7 +755,7 @@ static int soc21_common_hw_init(void *handle)
 	 * for the purpose of expose those registers
 	 * to process space
 	 */
-	if (adev->nbio.funcs->remap_hdp_registers)
+	if (adev->nbio.funcs->remap_hdp_registers && !amdgpu_sriov_vf(adev))
 		adev->nbio.funcs->remap_hdp_registers(adev);
 	/* enable the doorbell aperture */
 	soc21_enable_doorbell_aperture(adev, true);
-- 
2.40.1