You could do that as
WREG32_FIELD(UVD_CGC_GATE, REGS, 0);
Unless you need 'data' somewhere else in the function.
Tom
________________________________
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Rex Zhu <Rex.Zhu at amd.com>
Sent: Wednesday, November 9, 2016 05:08
To: amd-gfx at lists.freedesktop.org
Cc: Zhu, Rex
Subject: [PATCH 1/2] drm/amdgpu: always un-gate UVD REGS path.
Change-Id: I910a79b551a9b79b635161bb42ac123a23783225
Signed-off-by: Rex Zhu <Rex.Zhu at 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
_______________________________________________
amd-gfx mailing list
amd-gfx at lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20161109/f7697c26/attachment-0001.html>
