modes: De-duplicate a clock range check.
Signed-off-by: Adam Jackson <ajax@redhat.com>
(cherry picked from commit ba2d39dd54
)
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parent
263d2b05d6
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@ -249,6 +249,15 @@ xf86ShowClockRanges(ScrnInfoPtr scrp, ClockRangePtr clockRanges)
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}
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}
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static Bool
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modeInClockRange(ClockRangePtr cp, DisplayModePtr p)
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{
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return ((p->Clock >= cp->minClock) &&
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(p->Clock <= cp->maxClock) &&
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(cp->interlaceAllowed || !(p->Flags & V_INTERLACE)) &&
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(cp->doubleScanAllowed ||
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((p->VScan <= 1) && !(p->Flags & V_DBLSCAN))));
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}
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/*
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* xf86FindClockRangeForMode() [... like the name says ...]
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@ -259,12 +268,7 @@ xf86FindClockRangeForMode(ClockRangePtr clockRanges, DisplayModePtr p)
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ClockRangePtr cp;
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for (cp = clockRanges; ; cp = cp->next)
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if (!cp ||
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((p->Clock >= cp->minClock) &&
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(p->Clock <= cp->maxClock) &&
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(cp->interlaceAllowed || !(p->Flags & V_INTERLACE)) &&
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(cp->doubleScanAllowed ||
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((p->VScan <= 1) && !(p->Flags & V_DBLSCAN)))))
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if (!cp || modeInClockRange(cp, p))
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return cp;
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}
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@ -979,11 +983,7 @@ xf86CheckModeForDriver(ScrnInfoPtr scrp, DisplayModePtr mode, int flags)
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if (scrp->progClock) {
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/* Check clock is in range */
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for (cp = scrp->clockRanges; cp != NULL; cp = cp->next) {
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if ((cp->minClock <= mode->Clock) &&
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(cp->maxClock >= mode->Clock) &&
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(cp->interlaceAllowed || !(mode->Flags & V_INTERLACE)) &&
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(cp->doubleScanAllowed ||
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((!(mode->Flags & V_DBLSCAN)) && (mode->VScan <= 1))))
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if (modeInClockRange(cp, mode))
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break;
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}
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if (cp == NULL) {
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@ -999,12 +999,7 @@ xf86CheckModeForDriver(ScrnInfoPtr scrp, DisplayModePtr mode, int flags)
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status = MODE_CLOCK_RANGE;
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/* Check clock is in range */
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for (cp = scrp->clockRanges; cp != NULL; cp = cp->next) {
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if ((cp->minClock <= mode->Clock) &&
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(cp->maxClock >= mode->Clock) &&
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(cp->interlaceAllowed || !(mode->Flags & V_INTERLACE)) &&
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(cp->doubleScanAllowed ||
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((!(mode->Flags & V_DBLSCAN)) && (mode->VScan <= 1)))) {
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if (modeInClockRange(cp, mode)) {
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/*
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* Clock is in range, so if it is not a programmable clock,
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* find a matching clock.
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