From: Huang Rui <ray.huang-5C7GfCeVMHo@public.gmane.org>
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: Ken Wang <Ken.Wang-5C7GfCeVMHo@public.gmane.org>
Subject: [PATCH] drm/amdgpu: fix vega10 graphic hang issue in S3 test
Date: Tue, 15 Aug 2017 17:53:06 +0800 [thread overview]
Message-ID: <1502790786-14449-1-git-send-email-ray.huang@amd.com> (raw)
From: Ken Wang <Ken.Wang@amd.com>
Change-Id: If01e32baa903c8c35991b1517c6d8bde98f5dae2
Signed-off-by: Ken Wang <Ken.Wang@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 68a0d40..66312d9 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1670,6 +1670,7 @@ static int gfx_v9_0_cp_gfx_resume(struct amdgpu_device *adev)
u32 tmp;
u32 rb_bufsz;
u64 rb_addr, rptr_addr, wptr_gpu_addr;
+ int r;
/* Set the write pointer delay */
WREG32_SOC15(GC, 0, mmCP_RB_WPTR_DELAY, 0);
@@ -1729,6 +1730,17 @@ static int gfx_v9_0_cp_gfx_resume(struct amdgpu_device *adev)
/* start the ring */
gfx_v9_0_cp_gfx_start(adev);
+
+ r = amdgpu_ring_alloc(ring, 3);
+ if (r) {
+ return r;
+ }
+ amdgpu_ring_write(ring, PACKET3(PACKET3_SET_UCONFIG_REG, 1));
+ tmp = ((2 << 28) | (SOC15_REG_OFFSET(GC, 0, mmVGT_INDEX_TYPE) - PACKET3_SET_UCONFIG_REG_START));
+ amdgpu_ring_write(ring, tmp);
+ amdgpu_ring_write(ring, 0);
+ amdgpu_ring_commit(ring);
+
ring->ready = true;
return 0;
--
2.7.4
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next reply other threads:[~2017-08-15 9:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-15 9:53 Huang Rui [this message]
[not found] ` <1502790786-14449-1-git-send-email-ray.huang-5C7GfCeVMHo@public.gmane.org>
2017-08-15 15:02 ` [PATCH] drm/amdgpu: fix vega10 graphic hang issue in S3 test Alex Deucher
-- strict thread matches above, loose matches on Subject: below --
2017-08-17 5:43 ken.wang-5C7GfCeVMHo
[not found] ` <1502948583-25827-1-git-send-email-ken.wang-5C7GfCeVMHo@public.gmane.org>
2017-08-17 5:58 ` Zhang, Hawking
2017-08-17 12:41 ` Deucher, Alexander
2017-08-15 9:38 Ken Wang
2017-08-15 9:33 Ken Wang
2017-08-15 9:19 Ken Wang
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