From ecaa5bac174e9d78da7391579adc89bbd2b53606 Mon Sep 17 00:00:00 2001
From: Jack Xiao <Jack.Xiao@amd.com>
Date: Sun, 22 Mar 2020 13:51:02 +0800
Subject: drm/amdgpu/sdma5.2: initialize sdma mqd
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Git-commit: e0f5b4c9af6c8dd187b53918b665669a7110d054
Patch-mainline: v5.19-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

Initialize sdma mqd according to ring settings.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | 44 ++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
index bf2cf95cbf8f..f67801c5a6c1 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
@@ -903,6 +903,49 @@ static int sdma_v5_2_start(struct amdgpu_device *adev)
 	return r;
 }
 
+static int sdma_v5_2_mqd_init(struct amdgpu_device *adev, void *mqd,
+			      struct amdgpu_mqd_prop *prop)
+{
+	struct v10_sdma_mqd *m = mqd;
+	uint64_t wb_gpu_addr;
+
+	m->sdmax_rlcx_rb_cntl =
+		order_base_2(prop->queue_size / 4) << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT |
+		1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT |
+		6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT |
+		1 << SDMA0_RLC0_RB_CNTL__RB_PRIV__SHIFT;
+
+	m->sdmax_rlcx_rb_base = lower_32_bits(prop->hqd_base_gpu_addr >> 8);
+	m->sdmax_rlcx_rb_base_hi = upper_32_bits(prop->hqd_base_gpu_addr >> 8);
+
+	m->sdmax_rlcx_rb_wptr_poll_cntl = RREG32(sdma_v5_2_get_reg_offset(adev, 0,
+						  mmSDMA0_GFX_RB_WPTR_POLL_CNTL));
+
+	wb_gpu_addr = prop->wptr_gpu_addr;
+	m->sdmax_rlcx_rb_wptr_poll_addr_lo = lower_32_bits(wb_gpu_addr);
+	m->sdmax_rlcx_rb_wptr_poll_addr_hi = upper_32_bits(wb_gpu_addr);
+
+	wb_gpu_addr = prop->rptr_gpu_addr;
+	m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits(wb_gpu_addr);
+	m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits(wb_gpu_addr);
+
+	m->sdmax_rlcx_ib_cntl = RREG32(sdma_v5_2_get_reg_offset(adev, 0,
+							mmSDMA0_GFX_IB_CNTL));
+
+	m->sdmax_rlcx_doorbell_offset =
+		prop->doorbell_index << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT;
+
+	m->sdmax_rlcx_doorbell = REG_SET_FIELD(0, SDMA0_RLC0_DOORBELL, ENABLE, 1);
+
+	return 0;
+}
+
+static void sdma_v5_2_set_mqd_funcs(struct amdgpu_device *adev)
+{
+	adev->mqds[AMDGPU_HW_IP_DMA].mqd_size = sizeof(struct v10_sdma_mqd);
+	adev->mqds[AMDGPU_HW_IP_DMA].init_mqd = sdma_v5_2_mqd_init;
+}
+
 /**
  * sdma_v5_2_ring_test_ring - simple async dma engine test
  *
@@ -1233,6 +1276,7 @@ static int sdma_v5_2_early_init(void *handle)
 	sdma_v5_2_set_buffer_funcs(adev);
 	sdma_v5_2_set_vm_pte_funcs(adev);
 	sdma_v5_2_set_irq_funcs(adev);
+	sdma_v5_2_set_mqd_funcs(adev);
 
 	return 0;
 }
-- 
2.38.1