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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Hawking Zhang <Hawking.Zhang@amd.com>,
        Le Ma <Le.Ma@amd.com>, Alex Deucher <alexander.deucher@amd.com>
Subject: [PATCH 5.14 072/172] drm/amdgpu: correct initial cp_hqd_quantum for gfx9
Date:   Mon,  4 Oct 2021 14:52:02 +0200
Message-Id: <20211004125047.321124595@linuxfoundation.org>
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From: Hawking Zhang <Hawking.Zhang@amd.com>

commit 9f52c25f59b504a29dda42d83ac1e24d2af535d4 upstream.

didn't read the value of mmCP_HQD_QUANTUM from correct
register offset

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <Le.Ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -3598,7 +3598,7 @@ static int gfx_v9_0_mqd_init(struct amdg
 
 	/* set static priority for a queue/ring */
 	gfx_v9_0_mqd_set_priority(ring, mqd);
-	mqd->cp_hqd_quantum = RREG32(mmCP_HQD_QUANTUM);
+	mqd->cp_hqd_quantum = RREG32_SOC15(GC, 0, mmCP_HQD_QUANTUM);
 
 	/* map_queues packet doesn't need activate the queue,
 	 * so only kiq need set this field.