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author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2023-11-28 13:51:32 +0200 |
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committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2023-12-13 20:46:16 +0200 |
commit | 2581547335ff8acd877f1acd4ee57527eaaa0bde (patch) | |
tree | 1547cc7680aa986850cb9febdfabd242f3c9465a /drivers/gpu/drm/i915 | |
parent | e2e1916008aacf706ffa6bba65714c6d6200b196 (diff) | |
download | linux-stable-2581547335ff8acd877f1acd4ee57527eaaa0bde.tar.gz linux-stable-2581547335ff8acd877f1acd4ee57527eaaa0bde.tar.bz2 linux-stable-2581547335ff8acd877f1acd4ee57527eaaa0bde.zip |
drm/i915/cdclk: Give the squash waveform length a name
Replace the slightly magic 'size = 16' with a bit more descriptive
name. We'll have another user for this value later on.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231128115138.13238-3-ville.syrjala@linux.intel.com
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_cdclk.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index c774e020efd2..a1660c6b86ec 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -1800,6 +1800,8 @@ static bool cdclk_pll_is_unknown(unsigned int vco) return vco == ~0; } +static const int cdclk_squash_len = 16; + static int cdclk_squash_divider(u16 waveform) { return hweight16(waveform ?: 0xffff); @@ -1811,7 +1813,6 @@ static bool cdclk_compute_crawl_and_squash_midpoint(struct drm_i915_private *i91 struct intel_cdclk_config *mid_cdclk_config) { u16 old_waveform, new_waveform, mid_waveform; - int size = 16; int div = 2; /* Return if PLL is in an unknown state, force a complete disable and re-enable. */ @@ -1850,7 +1851,8 @@ static bool cdclk_compute_crawl_and_squash_midpoint(struct drm_i915_private *i91 } mid_cdclk_config->cdclk = DIV_ROUND_CLOSEST(cdclk_squash_divider(mid_waveform) * - mid_cdclk_config->vco, size * div); + mid_cdclk_config->vco, + cdclk_squash_len * div); /* make sure the mid clock came out sane */ |