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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: always un-gate UVD REGS path.
Date: Wed, 9 Nov 2016 18:08:54 +0800	[thread overview]
Message-ID: <1478686135-21055-1-git-send-email-Rex.Zhu@amd.com> (raw)

Change-Id: I910a79b551a9b79b635161bb42ac123a23783225
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
index d2c96f1..d686946 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
@@ -596,7 +596,10 @@ static void uvd_v4_2_set_dcm(struct amdgpu_device *adev,
 			     bool sw_mode)
 {
 	u32 tmp, tmp2;
+	u32 data = RREG32(mmUVD_CGC_GATE);
 
+	data &= ~UVD_CGC_GATE__REGS_MASK;
+	WREG32(mmUVD_CGC_GATE, data);
 	tmp = RREG32(mmUVD_CGC_CTRL);
 	tmp &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK | UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK);
 	tmp |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK |
-- 
1.9.1

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             reply	other threads:[~2016-11-09 10:08 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-09 10:08 Rex Zhu [this message]
     [not found] ` <1478686135-21055-1-git-send-email-Rex.Zhu-5C7GfCeVMHo@public.gmane.org>
2016-11-09 10:08   ` [PATCH 2/2] drm/amdgpu: change log level to KERN_INFO in ci_dpm.c Rex Zhu
     [not found]     ` <1478686135-21055-2-git-send-email-Rex.Zhu-5C7GfCeVMHo@public.gmane.org>
2016-11-09 17:34       ` Deucher, Alexander
2016-11-09 10:23   ` [PATCH 1/2] drm/amdgpu: always un-gate UVD REGS path StDenis, Tom
     [not found]     ` <CY4PR12MB17688DD4BBA4F17F489B4487F7B90-rpdhrqHFk06yjjPBNVDk/QdYzm3356FpvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2016-11-09 17:36       ` Deucher, Alexander

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