Instead of looping again on the range of plls, just keep track of one
unused one and use it later.
Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_dpll_mgr.c | 19 +++++++++----------
1 file changed, 9 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c
index 211b3ffa5bed..8f70838ac7d8 100644
--- a/drivers/gpu/drm/i915/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c
@@ -247,7 +247,7 @@ intel_find_shared_dpll(struct intel_crtc *crtc,
enum intel_dpll_id range_max)
{
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
- struct intel_shared_dpll *pll;
+ struct intel_shared_dpll *pll, *unused_pll = NULL;
struct intel_shared_dpll_state *shared_dpll;
enum intel_dpll_id i;
@@ -257,8 +257,10 @@ intel_find_shared_dpll(struct intel_crtc *crtc,
pll = &dev_priv->shared_dplls[i];
/* Only want to check enabled timings first */
- if (shared_dpll[i].crtc_mask == 0)
+ if (shared_dpll[i].crtc_mask == 0) {
+ unused_pll = pll;
continue;
+ }
if (memcmp(&crtc_state->dpll_hw_state,
&shared_dpll[i].hw_state,
@@ -273,14 +275,11 @@ intel_find_shared_dpll(struct intel_crtc *crtc,
}
/* Ok no matching timings, maybe there's a free one? */
- for (i = range_min; i <= range_max; i++) {
- pll = &dev_priv->shared_dplls[i];
- if (shared_dpll[i].crtc_mask == 0) {
- DRM_DEBUG_KMS("[CRTC:%d:%s] allocated %s\n",
- crtc->base.base.id, crtc->base.name,
- pll->info->name);
- return pll;
- }
+ if (unused_pll) {
+ DRM_DEBUG_KMS("[CRTC:%d:%s] allocated %s\n",
+ crtc->base.base.id, crtc->base.name,
+ unused_pll->info->name);
+ return unused_pll;
}
return NULL;
--
2.20.0
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