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 <[email protected]> on behalf of Rex Zhu <[email protected]> Sent: Wednesday, November 9, 2016 05:08 To: [email protected] Cc: Zhu, Rex Subject: [PATCH 1/2] drm/amdgpu: always un-gate UVD REGS path. Change-Id: I910a79b551a9b79b635161bb42ac123a23783225 Signed-off-by: Rex Zhu <[email protected]> --- 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 [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
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