Add API for resetting kernel queues.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/mes_v12_0.c | 33 ++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
index 48e01206bcc4..37539092f59a 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
@@ -644,6 +644,38 @@ static void mes_v12_0_enable_unmapped_doorbell_handling(
WREG32_SOC15(GC, 0, regCP_UNMAPPED_DOORBELL, data);
}
+static int mes_v12_0_reset_legacy_queue(struct amdgpu_mes *mes,
+ struct mes_reset_legacy_queue_input *input)
+{
+ union MESAPI__RESET mes_reset_queue_pkt;
+
+ memset(&mes_reset_queue_pkt, 0, sizeof(mes_reset_queue_pkt));
+
+ mes_reset_queue_pkt.header.type = MES_API_TYPE_SCHEDULER;
+ mes_reset_queue_pkt.header.opcode = MES_SCH_API_RESET;
+ mes_reset_queue_pkt.header.dwsize = API_FRAME_SIZE_IN_DWORDS;
+
+ mes_reset_queue_pkt.queue_type =
+ convert_to_mes_queue_type(input->queue_type);
+
+ if (mes_reset_queue_pkt.queue_type == MES_QUEUE_TYPE_GFX) {
+ mes_reset_queue_pkt.reset_legacy_gfx = 1;
+ mes_reset_queue_pkt.pipe_id_lp = input->pipe_id;
+ mes_reset_queue_pkt.queue_id_lp = input->queue_id;
+ mes_reset_queue_pkt.mqd_mc_addr_lp = input->mqd_addr;
+ mes_reset_queue_pkt.doorbell_offset_lp = input->doorbell_offset;
+ mes_reset_queue_pkt.wptr_addr_lp = input->wptr_addr;
+ mes_reset_queue_pkt.vmid_id_lp = input->vmid;
+ } else {
+ mes_reset_queue_pkt.reset_queue_only = 1;
+ mes_reset_queue_pkt.doorbell_offset = input->doorbell_offset;
+ }
+
+ return mes_v12_0_submit_pkt_and_poll_completion(mes,
+ &mes_reset_queue_pkt, sizeof(mes_reset_queue_pkt),
+ offsetof(union MESAPI__RESET, api_status));
+}
+
static const struct amdgpu_mes_funcs mes_v12_0_funcs = {
.add_hw_queue = mes_v12_0_add_hw_queue,
.remove_hw_queue = mes_v12_0_remove_hw_queue,
@@ -652,6 +684,7 @@ static const struct amdgpu_mes_funcs mes_v12_0_funcs = {
.suspend_gang = mes_v12_0_suspend_gang,
.resume_gang = mes_v12_0_resume_gang,
.misc_op = mes_v12_0_misc_op,
+ .reset_legacy_queue = mes_v12_0_reset_legacy_queue,
};
static int mes_v12_0_allocate_ucode_buffer(struct amdgpu_device *adev,
--
2.45.2
