Ping.. > -----Original Message----- > From: Evan Quan [mailto:evan.quan at amd.com] > Sent: Thursday, July 05, 2018 5:10 PM > To: amd-gfx at lists.freedesktop.org > Cc: Quan, Evan <Evan.Quan at amd.com> > Subject: [PATCH 07/10] drm/amdgpu: reduce the idle period that RLC has to > wait before request CGCG > > Gfxoff feature may depends on the CGCG(on vega12, that's the case). This > change will help to enable gfxoff feature more frequently. > > Change-Id: I021577e331b7beb19796bd6f5465b867f6038974 > Signed-off-by: Evan Quan <evan.quan at amd.com> > --- > drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 11 +++++++---- > 1 file changed, 7 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c > b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c > index ee537423af11..cb7f2efa9882 100644 > --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c > +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c > @@ -3629,9 +3629,11 @@ static void > gfx_v9_0_update_3d_clock_gating(struct amdgpu_device *adev, > /* update CGCG and CGLS override bits */ > if (def != data) > WREG32_SOC15(GC, 0, > mmRLC_CGTT_MGCG_OVERRIDE, data); > - /* enable 3Dcgcg FSM(0x0020003f) */ > + > + /* enable 3Dcgcg FSM(0x0000363f) */ > def = RREG32_SOC15(GC, 0, mmRLC_CGCG_CGLS_CTRL_3D); > - data = (0x2000 << > RLC_CGCG_CGLS_CTRL_3D__CGCG_GFX_IDLE_THRESHOLD__SHIFT) | > + > + data = (0x36 << > +RLC_CGCG_CGLS_CTRL_3D__CGCG_GFX_IDLE_THRESHOLD__SHIFT) | > RLC_CGCG_CGLS_CTRL_3D__CGCG_EN_MASK; > if (adev->cg_flags & AMD_CG_SUPPORT_GFX_3D_CGLS) > data |= (0x000F << > RLC_CGCG_CGLS_CTRL_3D__CGLS_REP_COMPANSAT_DELAY__SHIFT) | > @@ -3678,9 +3680,10 @@ static void > gfx_v9_0_update_coarse_grain_clock_gating(struct amdgpu_device *adev > if (def != data) > WREG32_SOC15(GC, 0, > mmRLC_CGTT_MGCG_OVERRIDE, data); > > - /* enable cgcg FSM(0x0020003F) */ > + /* enable cgcg FSM(0x0000363F) */ > def = RREG32_SOC15(GC, 0, mmRLC_CGCG_CGLS_CTRL); > - data = (0x2000 << > RLC_CGCG_CGLS_CTRL__CGCG_GFX_IDLE_THRESHOLD__SHIFT) | > + > + data = (0x36 << > RLC_CGCG_CGLS_CTRL__CGCG_GFX_IDLE_THRESHOLD__SHIFT) | > RLC_CGCG_CGLS_CTRL__CGCG_EN_MASK; > if (adev->cg_flags & AMD_CG_SUPPORT_GFX_CGLS) > data |= (0x000F << > RLC_CGCG_CGLS_CTRL__CGLS_REP_COMPANSAT_DELAY__SHIFT) | > -- > 2.18.0
