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<span style="font-family: Calibri, Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255); display: inline !important">Reviewed-by: Kevin Wang <kevin1.wang@amd.com></span><br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Le Ma <le.ma@amd.com><br>
<b>Sent:</b> Friday, August 9, 2019 7:26 PM<br>
<b>To:</b> amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org><br>
<b>Cc:</b> Ma, Le <Le.Ma@amd.com><br>
<b>Subject:</b> [PATCH 2/4] drm/amdgpu: increase CGCG gfx idle threshold for Arcturus</font>
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<div class="PlainText">Follow the hw spec, and no need to consider gfxoff on Arcturus<br>
<br>
Change-Id: Ib9cad79b1b9c096014447fc0a7d29cdb594e15e3<br>
Signed-off-by: Le Ma <le.ma@amd.com><br>
---<br>
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 8 ++++++--<br>
1 file changed, 6 insertions(+), 2 deletions(-)<br>
<br>
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c<br>
index 78150ff..9b85a73 100644<br>
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c<br>
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c<br>
@@ -4677,8 +4677,12 @@ static void gfx_v9_0_update_coarse_grain_clock_gating(struct amdgpu_device *adev<br>
/* enable cgcg FSM(0x0000363F) */<br>
def = RREG32_SOC15(GC, 0, mmRLC_CGCG_CGLS_CTRL);<br>
<br>
- data = (0x36 << RLC_CGCG_CGLS_CTRL__CGCG_GFX_IDLE_THRESHOLD__SHIFT) |<br>
- RLC_CGCG_CGLS_CTRL__CGCG_EN_MASK;<br>
+ if (adev->asic_type == CHIP_ARCTURUS)<br>
+ data = (0x2000 << RLC_CGCG_CGLS_CTRL__CGCG_GFX_IDLE_THRESHOLD__SHIFT) |<br>
+ RLC_CGCG_CGLS_CTRL__CGCG_EN_MASK;<br>
+ else<br>
+ data = (0x36 << RLC_CGCG_CGLS_CTRL__CGCG_GFX_IDLE_THRESHOLD__SHIFT) |<br>
+ RLC_CGCG_CGLS_CTRL__CGCG_EN_MASK;<br>
if (adev->cg_flags & AMD_CG_SUPPORT_GFX_CGLS)<br>
data |= (0x000F << RLC_CGCG_CGLS_CTRL__CGLS_REP_COMPANSAT_DELAY__SHIFT) |<br>
RLC_CGCG_CGLS_CTRL__CGLS_EN_MASK;<br>
-- <br>
2.7.4<br>
<br>
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