We got the wrong offsets (could they have changed?). New values were
computed off an error state by looking up the register offset in the
context image as written by the HW.
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx>
Fixes: 1de401c08fa805 ("drm/i915/perf: enable perf support on ICL")
---
drivers/gpu/drm/i915/i915_perf.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index 4a767087de27..6c85191fc6c9 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -3612,9 +3612,13 @@ void i915_perf_init(struct drm_i915_private *dev_priv)
dev_priv->perf.oa.ops.enable_metric_set = gen8_enable_metric_set;
dev_priv->perf.oa.ops.disable_metric_set = gen10_disable_metric_set;
- dev_priv->perf.oa.ctx_oactxctrl_offset = 0x128;
- dev_priv->perf.oa.ctx_flexeu0_offset = 0x3de;
-
+ if (IS_GEN(dev_priv, 10)) {
+ dev_priv->perf.oa.ctx_oactxctrl_offset = 0x128;
+ dev_priv->perf.oa.ctx_flexeu0_offset = 0x3de;
+ } else {
+ dev_priv->perf.oa.ctx_oactxctrl_offset = 0x124;
+ dev_priv->perf.oa.ctx_flexeu0_offset = 0x78e;
+ }
dev_priv->perf.oa.gen8_valid_ctx_bit = (1<<16);
}
}
--
2.21.0.392.gf8f6787159e
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