Populate the new struct steps for crawl case.
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
---
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 d2e81134b6f2..bb5bbb1ad982 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -1951,8 +1951,9 @@ void intel_cdclk_uninit_hw(struct drm_i915_private *i915)
static bool intel_cdclk_can_crawl(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;
int a_div, b_div;
if (!HAS_CDCLK_CRAWL(dev_priv))
@@ -1965,6 +1966,12 @@ static bool intel_cdclk_can_crawl(struct drm_i915_private *dev_priv,
a_div = DIV_ROUND_CLOSEST(a->vco, a->cdclk);
b_div = DIV_ROUND_CLOSEST(b->vco, b->cdclk);
+ if (a->vco != 0 && b->vco != 0 && a->vco != b->vco &&
+ a_div == b_div && a->ref == b->ref) {
+ cdclk_transition->action = CDCLK_CRAWL_ONLY;
+ cdclk_transition->cdclk = b->cdclk;
+ }
+
return a->vco != 0 && b->vco != 0 &&
a->vco != b->vco &&
a_div == b_div &&
--
2.25.1
