drm/amdgpu: correct initial cp_hqd_quantum for gfx9

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>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index ac3a881..c7d6a67 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -3542,7 +3542,7 @@ static int gfx_v9_0_mqd_init(struct amdgpu_ring *ring)
 
        /* 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.