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| author | Lucas De Marchi <lucas.demarchi@intel.com> | 2019-01-25 14:24:44 -0800 |
|---|---|---|
| committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2019-01-29 14:35:07 -0800 |
| commit | 5b0bd14dcc6bf0d28ad908aa1b8835667f860c84 (patch) | |
| tree | 57894062f56466946696081a75495a62136db3eb /drivers/gpu/drm/i915/intel_dpll_mgr.c | |
| parent | 20fd2ab7be40658ded75f8a49cf649845c1e3572 (diff) | |
| download | linux-stable-5b0bd14dcc6bf0d28ad908aa1b8835667f860c84.tar.gz linux-stable-5b0bd14dcc6bf0d28ad908aa1b8835667f860c84.tar.bz2 linux-stable-5b0bd14dcc6bf0d28ad908aa1b8835667f860c84.zip | |
drm/i915/icl: keep track of unused pll while looping
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@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190125222444.19926-5-lucas.demarchi@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dpll_mgr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dpll_mgr.c | 19 |
1 files 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; |