[Intel-gfx] [PATCH 3/6] drm/i915/display: Embed the new struct steps for squashing

[Anusha Srivatsa]

Populate the new struct steps for squash case.

Signed-off-by: Anusha Srivatsa <anusha.sriva...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_cdclk.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c 
b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 220d32adbd12..d2e81134b6f2 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -1973,8 +1973,9 @@ static bool intel_cdclk_can_crawl(struct drm_i915_private 
*dev_priv,
 
 static bool intel_cdclk_can_squash(struct drm_i915_private *dev_priv,
                                   const struct intel_cdclk_config *a,
-                                  const struct intel_cdclk_config *b)
+                                  struct intel_cdclk_config *b)
 {
+       struct cdclk_step *cdclk_transition = b->steps;
        /*
         * FIXME should store a bit more state in intel_cdclk_config
         * to differentiate squasher vs. cd2x divider properly. For
@@ -1984,6 +1985,12 @@ static bool intel_cdclk_can_squash(struct 
drm_i915_private *dev_priv,
        if (!has_cdclk_squasher(dev_priv))
                return false;
 
+       if (a->cdclk != b->cdclk && a->vco != 0 &&
+           a->vco == b->vco && a->ref == b->ref) {
+               cdclk_transition->action = CDCLK_SQUASH_ONLY;
+               cdclk_transition->cdclk = b->cdclk;
+       }
+
        return a->cdclk != b->cdclk &&
                a->vco != 0 &&
                a->vco == b->vco &&
-- 
2.25.1