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backend/drm: rename i param in match_connectors_with_crtcs_()
Use a more descriptive name to make it clear what kind of index this is.
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@ -127,16 +127,16 @@ struct match_state {
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* skips: The number of SKIP elements encountered so far.
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* score: The number of resources we've matched so far.
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* replaced: The number of changes from the original solution.
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* i: The index of the current CRTC.
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* crtc_index: The index of the current CRTC.
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*
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* This tries to match a solution as close to st->orig as it can.
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*
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* Returns whether we've set a new best element with this solution.
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*/
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static bool match_connectors_with_crtcs_(struct match_state *st, size_t skips,
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size_t score, size_t replaced, size_t i) {
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size_t score, size_t replaced, size_t crtc_index) {
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// Finished
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if (i >= st->num_crtcs) {
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if (crtc_index >= st->num_crtcs) {
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if (score > st->score ||
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(score == st->score && replaced < st->replaced)) {
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st->score = score;
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@ -153,9 +153,9 @@ static bool match_connectors_with_crtcs_(struct match_state *st, size_t skips,
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}
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}
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if (st->orig[i] == SKIP) {
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st->res[i] = SKIP;
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return match_connectors_with_crtcs_(st, skips + 1, score, replaced, i + 1);
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if (st->orig[crtc_index] == SKIP) {
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st->res[crtc_index] = SKIP;
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return match_connectors_with_crtcs_(st, skips + 1, score, replaced, crtc_index + 1);
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}
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bool has_best = false;
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@ -164,10 +164,10 @@ static bool match_connectors_with_crtcs_(struct match_state *st, size_t skips,
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* Attempt to use the current solution first, to try and avoid
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* recalculating everything
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*/
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if (st->orig[i] != UNMATCHED && !is_taken(i, st->res, st->orig[i])) {
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st->res[i] = st->orig[i];
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size_t crtc_score = st->conns[st->res[i]] != 0 ? 1 : 0;
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if (match_connectors_with_crtcs_(st, skips, score + crtc_score, replaced, i + 1)) {
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if (st->orig[crtc_index] != UNMATCHED && !is_taken(crtc_index, st->res, st->orig[crtc_index])) {
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st->res[crtc_index] = st->orig[crtc_index];
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size_t crtc_score = st->conns[st->res[crtc_index]] != 0 ? 1 : 0;
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if (match_connectors_with_crtcs_(st, skips, score + crtc_score, replaced, crtc_index + 1)) {
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has_best = true;
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}
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}
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@ -175,29 +175,29 @@ static bool match_connectors_with_crtcs_(struct match_state *st, size_t skips,
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return true;
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}
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if (st->orig[i] != UNMATCHED) {
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if (st->orig[crtc_index] != UNMATCHED) {
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++replaced;
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}
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for (size_t candidate = 0; candidate < st->num_conns; ++candidate) {
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// We tried this earlier
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if (candidate == st->orig[i]) {
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if (candidate == st->orig[crtc_index]) {
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continue;
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}
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// Not compatible
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if (!(st->conns[candidate] & (1 << i))) {
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if (!(st->conns[candidate] & (1 << crtc_index))) {
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continue;
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}
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// Already taken
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if (is_taken(i, st->res, candidate)) {
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if (is_taken(crtc_index, st->res, candidate)) {
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continue;
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}
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st->res[i] = candidate;
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st->res[crtc_index] = candidate;
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size_t crtc_score = st->conns[candidate] != 0 ? 1 : 0;
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if (match_connectors_with_crtcs_(st, skips, score + crtc_score, replaced, i + 1)) {
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if (match_connectors_with_crtcs_(st, skips, score + crtc_score, replaced, crtc_index + 1)) {
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has_best = true;
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}
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@ -207,8 +207,8 @@ static bool match_connectors_with_crtcs_(struct match_state *st, size_t skips,
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}
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// Maybe this CRTC can't be matched
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st->res[i] = UNMATCHED;
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if (match_connectors_with_crtcs_(st, skips, score, replaced, i + 1)) {
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st->res[crtc_index] = UNMATCHED;
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if (match_connectors_with_crtcs_(st, skips, score, replaced, crtc_index + 1)) {
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has_best = true;
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}
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