diff options
| author | Imre Deak <imre.deak@intel.com> | 2026-07-01 18:31:31 +0300 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2026-07-09 10:22:55 +0300 |
| commit | 87b7964494847d12903d03e48c93b73bebcf54ef (patch) | |
| tree | 2a4891fe127e8ee1f002c807079115c33b79814a | |
| parent | ee8f7484f99db9fb80ad15af412dbf03eeb9ff57 (diff) | |
drm/i915/dp_link_caps: Factor out helper to get link config by index
Factor out a helper that looks up a link configuration by index.
This provides the link configuration directly, avoiding the
indirect conversion via the packed config entry.
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20260701153204.4124150-3-imre.deak@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_link_caps.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_caps.c b/drivers/gpu/drm/i915/display/intel_dp_link_caps.c index 2c656c2c036c..d0a863b00b45 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_link_caps.c +++ b/drivers/gpu/drm/i915/display/intel_dp_link_caps.c @@ -235,6 +235,16 @@ static int intel_dp_link_config_lane_count(const struct intel_dp_link_config_ent return 1 << lce->lane_count_exp; } +static void +to_intel_dp_link_config(struct intel_dp_link_caps *link_caps, + int config_idx, struct intel_dp_link_config *config) +{ + const struct intel_dp_link_config_entry *lce = &link_caps->configs[config_idx]; + + config->rate = intel_dp_link_config_rate(link_caps, lce); + config->lane_count = intel_dp_link_config_lane_count(lce); +} + static void set_max_link_limits_no_update(struct intel_dp_link_caps *link_caps, const struct intel_dp_link_config *max_link_limits) { @@ -401,15 +411,15 @@ void intel_dp_link_config_get(struct intel_dp_link_caps *link_caps, int idx, int *link_rate, int *lane_count) { struct intel_display *display = to_intel_display(link_caps->dp); - const struct intel_dp_link_config_entry *lce; + struct intel_dp_link_config config; if (drm_WARN_ON(display->drm, idx < 0 || idx >= link_caps->num_configs)) idx = 0; - lce = &link_caps->configs[idx]; + to_intel_dp_link_config(link_caps, idx, &config); - *link_rate = intel_dp_link_config_rate(link_caps, lce); - *lane_count = intel_dp_link_config_lane_count(lce); + *link_rate = config.rate; + *lane_count = config.lane_count; } int intel_dp_link_config_index(struct intel_dp_link_caps *link_caps, |