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path: root/common/recipes-kernel/linux/linux-yocto-4.19.8/2918-drm-amdgpu-skip-all-gfx-ring-settings-for-Arcturus.patch
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From 1f8be65018d9f300d9a5f71c98a007841702269c Mon Sep 17 00:00:00 2001
From: Le Ma <le.ma@amd.com>
Date: Tue, 18 Sep 2018 17:39:59 +0800
Subject: [PATCH 2918/2940] drm/amdgpu: skip all gfx ring settings for Arcturus

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 39 +++++++++++++++++----------
 1 file changed, 25 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 4a9ac02adfa4..a202ad5c329d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -3338,18 +3338,22 @@ static int gfx_v9_0_cp_resume(struct amdgpu_device *adev)
 	if (r)
 		return r;
 
-	r = gfx_v9_0_cp_gfx_resume(adev);
-	if (r)
-		return r;
+	if (adev->asic_type != CHIP_ARCTURUS) {
+		r = gfx_v9_0_cp_gfx_resume(adev);
+		if (r)
+			return r;
+	}
 
 	r = gfx_v9_0_kcq_resume(adev);
 	if (r)
 		return r;
 
-	ring = &adev->gfx.gfx_ring[0];
-	r = amdgpu_ring_test_helper(ring);
-	if (r)
-		return r;
+	if (adev->asic_type != CHIP_ARCTURUS) {
+		ring = &adev->gfx.gfx_ring[0];
+		r = amdgpu_ring_test_helper(ring);
+		if (r)
+			return r;
+	}
 
 	for (i = 0; i < adev->gfx.num_compute_rings; i++) {
 		ring = &adev->gfx.compute_ring[i];
@@ -3363,7 +3367,8 @@ static int gfx_v9_0_cp_resume(struct amdgpu_device *adev)
 
 static void gfx_v9_0_cp_enable(struct amdgpu_device *adev, bool enable)
 {
-	gfx_v9_0_cp_gfx_enable(adev, enable);
+	if (adev->asic_type != CHIP_ARCTURUS)
+		gfx_v9_0_cp_gfx_enable(adev, enable);
 	gfx_v9_0_cp_compute_enable(adev, enable);
 }
 
@@ -3388,9 +3393,11 @@ static int gfx_v9_0_hw_init(void *handle)
 	if (r)
 		return r;
 
-	r = gfx_v9_0_ngg_en(adev);
-	if (r)
-		return r;
+	if (adev->asic_type != CHIP_ARCTURUS) {
+		r = gfx_v9_0_ngg_en(adev);
+		if (r)
+			return r;
+	}
 
 	return r;
 }
@@ -3538,8 +3545,9 @@ static int gfx_v9_0_soft_reset(void *handle)
 		/* stop the rlc */
 		adev->gfx.rlc.funcs->stop(adev);
 
-		/* Disable GFX parsing/prefetching */
-		gfx_v9_0_cp_gfx_enable(adev, false);
+		if (adev->asic_type != CHIP_ARCTURUS)
+			/* Disable GFX parsing/prefetching */
+			gfx_v9_0_cp_gfx_enable(adev, false);
 
 		/* Disable MEC parsing/prefetching */
 		gfx_v9_0_cp_compute_enable(adev, false);
@@ -3882,7 +3890,10 @@ static int gfx_v9_0_early_init(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-	adev->gfx.num_gfx_rings = GFX9_NUM_GFX_RINGS;
+	if (adev->asic_type == CHIP_ARCTURUS)
+		adev->gfx.num_gfx_rings = 0;
+	else
+		adev->gfx.num_gfx_rings = GFX9_NUM_GFX_RINGS;
 	adev->gfx.num_compute_rings = AMDGPU_MAX_COMPUTE_RINGS;
 	gfx_v9_0_set_ring_funcs(adev);
 	gfx_v9_0_set_irq_funcs(adev);
-- 
2.17.1