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From: Rex Zhu <Rex.Zhu-5C7GfCeVMHo@public.gmane.org>
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: Rex Zhu <Rex.Zhu-5C7GfCeVMHo@public.gmane.org>
Subject: [PATCH 1/2] drm/amdgpu: no need to ungate uvd/vce clock when fini.
Date: Tue, 29 Nov 2016 19:24:06 +0800	[thread overview]
Message-ID: <1480418647-1922-1-git-send-email-Rex.Zhu@amd.com> (raw)

Change-Id: Ia7f9c32d72f87deaf25d4cccbf6fa4cb85562d97
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index dbfe471..25ad736 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1471,20 +1471,26 @@ static int amdgpu_fini(struct amdgpu_device *adev)
 			amdgpu_wb_fini(adev);
 			amdgpu_vram_scratch_fini(adev);
 		}
-		/* ungate blocks before hw fini so that we can shutdown the blocks safely */
-		r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev,
-									     AMD_CG_STATE_UNGATE);
-		if (r) {
-			DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n",
-				  adev->ip_blocks[i].version->funcs->name, r);
-			return r;
+
+		if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD &&
+			adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE) {
+			/* ungate blocks before hw fini so that we can shutdown the blocks safely */
+			r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev,
+										     AMD_CG_STATE_UNGATE);
+			if (r) {
+				DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n",
+					  adev->ip_blocks[i].version->funcs->name, r);
+				return r;
+			}
 		}
+
 		r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev);
 		/* XXX handle errors */
 		if (r) {
 			DRM_DEBUG("hw_fini of IP block <%s> failed %d\n",
 				  adev->ip_blocks[i].version->funcs->name, r);
 		}
+
 		adev->ip_blocks[i].status.hw = false;
 	}
 
-- 
1.9.1

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             reply	other threads:[~2016-11-29 11:24 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-29 11:24 Rex Zhu [this message]
     [not found] ` <1480418647-1922-1-git-send-email-Rex.Zhu-5C7GfCeVMHo@public.gmane.org>
2016-11-29 11:24   ` [PATCH 2/2] drm/amd/powerplay: disable cg pg task when pp uninitialize Rex Zhu
     [not found]     ` <1480418647-1922-2-git-send-email-Rex.Zhu-5C7GfCeVMHo@public.gmane.org>
2016-11-29 13:05       ` Deucher, Alexander

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