From: Ville Syrjälä <ville.syrj...@linux.intel.com>

We memset(0) the entire watermark struct the start, so there's no
need to clear things later on.

v2: Rebase due to some stale w/a removal

Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 791d75322732..749e8d814ce5 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4706,10 +4706,8 @@ static int skl_compute_plane_wm(const struct 
drm_i915_private *dev_priv,
        if (latency == 0)
                return level == 0 ? -EINVAL : 0;
 
-       if (!intel_wm_plane_visible(cstate, intel_pstate)) {
-               result->plane_en = false;
+       if (!intel_wm_plane_visible(cstate, intel_pstate))
                return 0;
-       }
 
        /* Display WA #1141: kbl,cfl */
        if ((IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv) ||
@@ -4806,8 +4804,6 @@ static int skl_compute_plane_wm(const struct 
drm_i915_private *dev_priv,
        if ((level > 0 && res_lines > 31) ||
            res_blocks >= ddb_allocation ||
            min_disp_buf_needed >= ddb_allocation) {
-               result->plane_en = false;
-
                /*
                 * If there are no valid level 0 watermarks, then we can't
                 * support this display configuration.
@@ -4909,15 +4905,15 @@ static void skl_compute_transition_wm(const struct 
intel_crtc_state *cstate,
        uint16_t wm0_sel_res_b, trans_offset_b, res_blocks;
 
        if (!cstate->base.active)
-               goto exit;
+               return;
 
        /* Transition WM are not recommended by HW team for GEN9 */
        if (INTEL_GEN(dev_priv) <= 9)
-               goto exit;
+               return;
 
        /* Transition WM don't make any sense if ipc is disabled */
        if (!dev_priv->ipc_enabled)
-               goto exit;
+               return;
 
        trans_min = 14;
        if (INTEL_GEN(dev_priv) >= 11)
@@ -4956,11 +4952,7 @@ static void skl_compute_transition_wm(const struct 
intel_crtc_state *cstate,
        if (res_blocks < ddb_allocation) {
                trans_wm->plane_res_b = res_blocks;
                trans_wm->plane_en = true;
-               return;
        }
-
-exit:
-       trans_wm->plane_en = false;
 }
 
 static int __skl_build_plane_wm_single(struct skl_ddb_allocation *ddb,
-- 
2.18.1

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