This will be useful later on. Also move the functions around to not need
forward declarations in subsequent patches. No functional changes.
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_dp.c | 38 ++++++++++++++++++++++----------------
1 file changed, 22 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 03d86ff9b805..3c1c11c1cd30 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -157,6 +157,28 @@ static void intel_dp_set_sink_rates(struct intel_dp *intel_dp)
intel_dp->num_sink_rates = i;
}
+/* Get length of rates array potentially limited by max_rate. */
+static int intel_dp_rate_limit_len(const int *rates, int len, int max_rate)
+{
+ int i;
+
+ /* Limit results by potentially reduced max rate */
+ for (i = 0; i < len; i++) {
+ if (rates[len - i - 1] <= max_rate)
+ return len - i;
+ }
+
+ return 0;
+}
+
+/* Get length of common rates array potentially limited by max_rate. */
+static int intel_dp_common_len_rate_limit(const struct intel_dp *intel_dp,
+ int max_rate)
+{
+ return intel_dp_rate_limit_len(intel_dp->common_rates,
+ intel_dp->num_common_rates, max_rate);
+}
+
/* Theoretical max between source and sink */
static int intel_dp_max_common_rate(struct intel_dp *intel_dp)
{
@@ -328,22 +350,6 @@ static void intel_dp_set_common_rates(struct intel_dp *intel_dp)
}
}
-/* get length of common rates potentially limited by max_rate */
-static int intel_dp_common_len_rate_limit(struct intel_dp *intel_dp,
- int max_rate)
-{
- const int *common_rates = intel_dp->common_rates;
- int i, common_len = intel_dp->num_common_rates;
-
- /* Limit results by potentially reduced max rate */
- for (i = 0; i < common_len; i++) {
- if (common_rates[common_len - i - 1] <= max_rate)
- return common_len - i;
- }
-
- return 0;
-}
-
static bool intel_dp_link_params_valid(struct intel_dp *intel_dp, int link_rate,
uint8_t lane_count)
{
--
2.11.0
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