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From: jimqu <Jim.Qu-5C7GfCeVMHo@public.gmane.org>
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: jimqu <Jim.Qu-5C7GfCeVMHo@public.gmane.org>
Subject: [PATCH 2/3] drm/amd/amdgpu: sdma resume fail during S4 on CI
Date: Tue, 30 Aug 2016 09:21:50 +0800	[thread overview]
Message-ID: <1472520111-17899-3-git-send-email-Jim.Qu@amd.com> (raw)
In-Reply-To: <1472520111-17899-1-git-send-email-Jim.Qu-5C7GfCeVMHo@public.gmane.org>

SDMA could be fail in the thaw() and restore() processes, do software reset
if each SDMA engine is busy.

Change-Id: Iaff231330c256fbd297f2a98edb2d956bd0d78f8
Signed-off-by: JimQu <Jim.Qu@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/cik_sdma.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
index e71cd12..5d025d0 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
@@ -52,6 +52,7 @@ static void cik_sdma_set_ring_funcs(struct amdgpu_device *adev);
 static void cik_sdma_set_irq_funcs(struct amdgpu_device *adev);
 static void cik_sdma_set_buffer_funcs(struct amdgpu_device *adev);
 static void cik_sdma_set_vm_pte_funcs(struct amdgpu_device *adev);
+static int cik_sdma_soft_reset(void *handle);
 
 MODULE_FIRMWARE("radeon/bonaire_sdma.bin");
 MODULE_FIRMWARE("radeon/bonaire_sdma1.bin");
@@ -998,6 +999,8 @@ static int cik_sdma_resume(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
+	cik_sdma_soft_reset(handle);
+
 	return cik_sdma_hw_init(adev);
 }
 
-- 
1.9.1

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  parent reply	other threads:[~2016-08-30  1:21 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-30  1:21 [PATCH 0/3] S4 issue on CI jimqu
     [not found] ` <1472520111-17899-1-git-send-email-Jim.Qu-5C7GfCeVMHo@public.gmane.org>
2016-08-30  1:21   ` [PATCH 1/3] drm/amd/amdgpu: VCE ring test fail during S4 " jimqu
     [not found]     ` <1472520111-17899-2-git-send-email-Jim.Qu-5C7GfCeVMHo@public.gmane.org>
2016-08-30  7:41       ` Christian König
2016-08-30  1:21   ` jimqu [this message]
     [not found]     ` <1472520111-17899-3-git-send-email-Jim.Qu-5C7GfCeVMHo@public.gmane.org>
2016-08-30  5:39       ` [PATCH 2/3] drm/amd/amdgpu: sdma resume " Alex Deucher
2016-08-30  1:21   ` [PATCH 3/3] drm/amd/amdgpu: compute ring test " jimqu
     [not found]     ` <1472520111-17899-4-git-send-email-Jim.Qu-5C7GfCeVMHo@public.gmane.org>
2016-08-30  5:43       ` Alex Deucher

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