Apart from checking if crawling can be performed,
accommodate accessing in-flight cdclk state for any changes
that are needed during commit phase.
Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_cdclk.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 4081b880a6ef..cb6e419562dd 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -1944,9 +1944,9 @@ void intel_cdclk_uninit_hw(struct drm_i915_private *i915)
skl_cdclk_uninit_hw(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)
+static bool intel_cdclk_crawl(struct drm_i915_private *dev_priv,
+ const struct intel_cdclk_state *a,
+ struct intel_cdclk_state *b)
{
int a_div, b_div;
@@ -1957,13 +1957,13 @@ static bool intel_cdclk_can_crawl(struct drm_i915_private *dev_priv,
* The vco and cd2x divider will change independently
* from each, so we disallow cd2x change when crawling.
*/
- a_div = DIV_ROUND_CLOSEST(a->vco, a->cdclk);
- b_div = DIV_ROUND_CLOSEST(b->vco, b->cdclk);
+ a_div = DIV_ROUND_CLOSEST(a->actual.vco, a->actual.cdclk);
+ b_div = DIV_ROUND_CLOSEST(b->actual.vco, b->actual.cdclk);
- return a->vco != 0 && b->vco != 0 &&
- a->vco != b->vco &&
+ return a->actual.vco != 0 && b->actual.vco != 0 &&
+ a->actual.vco != b->actual.vco &&
a_div == b_div &&
- a->ref == b->ref;
+ a->actual.ref == b->actual.ref;
}
static bool intel_cdclk_squash(struct drm_i915_private *dev_priv,
@@ -2764,9 +2764,9 @@ int intel_modeset_calc_cdclk(struct intel_atomic_state *state)
new_cdclk_state)) {
drm_dbg_kms(&dev_priv->drm,
"Can change cdclk via squasher\n");
- } else if (intel_cdclk_can_crawl(dev_priv,
- &old_cdclk_state->actual,
- &new_cdclk_state->actual)) {
+ } else if (intel_cdclk_crawl(dev_priv,
+ old_cdclk_state,
+ new_cdclk_state)) {
drm_dbg_kms(&dev_priv->drm,
"Can change cdclk via crawl\n");
} else if (pipe != INVALID_PIPE) {
--
2.25.1
