| From 9f52c25f59b504a29dda42d83ac1e24d2af535d4 Mon Sep 17 00:00:00 2001 |
| From: Hawking Zhang <Hawking.Zhang@amd.com> |
| Date: Sun, 26 Sep 2021 22:19:35 +0800 |
| Subject: drm/amdgpu: correct initial cp_hqd_quantum for gfx9 |
| |
| 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 |
| @@ -3542,7 +3542,7 @@ 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. |
