drm/radeon: enable additional power gating features on trinity
TN has some additional powergating features beyond what is
supported on ON/LN.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index cafc3bd..f30127c 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1176,6 +1176,16 @@
WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
udelay(50);
+
+ /* set clockgating golden values on TN */
+ if (rdev->family == CHIP_ARUBA) {
+ tmp = RREG32_CG(CG_CGTT_LOCAL_0);
+ tmp &= ~0x00380000;
+ WREG32_CG(CG_CGTT_LOCAL_0, tmp);
+ tmp = RREG32_CG(CG_CGTT_LOCAL_1);
+ tmp &= ~0x0e000000;
+ WREG32_CG(CG_CGTT_LOCAL_1, tmp);
+ }
}
/*