From: Ville Syrjälä <ville.syrj...@linux.intel.com>
We are mistakenly skipping transition watermarks on glk. Fix
up the condition for glk, and toss in the w/a name from
the database.
v2: Reorder the ipc enabled vs. platform check to be more sensible
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.v...@intel.com> #v1
---
drivers/gpu/drm/i915/intel_pm.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index a3d76e69caae..f7c11b9f2c29 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5120,14 +5120,17 @@ static void skl_compute_transition_wm(const struct
intel_crtc_state *crtc_state,
const u16 trans_amount = 10; /* This is configurable amount */
u16 wm0_sel_res_b, trans_offset_b, res_blocks;
- /* Transition WM are not recommended by HW team for GEN9 */
- if (INTEL_GEN(dev_priv) <= 9)
- return;
-
/* Transition WM don't make any sense if ipc is disabled */
if (!dev_priv->ipc_enabled)
return;
+ /*
+ * WaDisableTWM:skl,kbl,cfl,bxt
+ * Transition WM are not recommended by HW team for GEN9
+ */
+ if (IS_GEN9_BC(dev_priv) || IS_BROXTON(dev_priv))
+ return;
+
trans_min = 14;
if (INTEL_GEN(dev_priv) >= 11)
trans_min = 4;
--
2.24.1
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