[Intel-gfx] [PATCH 2/8] drm/i915/cdclk: Give the squash waveform length a name
Ville Syrjala
ville.syrjala at linux.intel.com
Tue Nov 28 11:51:32 UTC 2023
From: Ville Syrjälä <ville.syrjala at linux.intel.com>
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 at linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_cdclk.c | 6 ++++--
1 file 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 0dca29ec799b..87d5e5b67c4e 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 */
--
2.41.0
More information about the Intel-gfx
mailing list