diff options
| author |   Jouni Högander <jouni.hogander@intel.com> | 2025-07-22 15:56:16 +0300 |
|---|---|---|
| committer |   Tvrtko Ursulin <tursulin@ursulin.net> | 2025-07-29 10:20:33 +0100 |
| commit | c338923c4c8a89bb81f585732b9b49fcf9465cdd (patch) | |
| tree | 8ebcd7e58dc84a0372992f01948707ed5f12b393 | |
| parent | drm/i915/display: Write PHY_CMN1_CONTROL only when using AUXLess ALPM (diff) | |
| download | wireguard-linux-c338923c4c8a89bb81f585732b9b49fcf9465cdd.tar.xz wireguard-linux-c338923c4c8a89bb81f585732b9b49fcf9465cdd.zip | |
drm/i915/display: Avoid unnecessarily calling intel_cx0_get_owned_lane_mask
Currently we are always calling intel_cx0_get_owned_lane_mask when
intel_lnl_mac_transmit_lfps is called. Avoid this in cases where it's not
needed.
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/20250722125618.1842615-3-jouni.hogander@intel.com
(cherry picked from commit d487ed7e2b4ab3126239ab93324405eb1e45ccf5)
Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_cx0_phy.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c index 2b0305bb04cd..2993dabdbee6 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c @@ -3239,13 +3239,14 @@ void intel_lnl_mac_transmit_lfps(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { struct intel_display *display = to_intel_display(encoder); - u8 owned_lane_mask = intel_cx0_get_owned_lane_mask(encoder); int i; + u8 owned_lane_mask; if (DISPLAY_VER(display) < 20 || !intel_alpm_is_alpm_aux_less(enc_to_intel_dp(encoder), crtc_state)) return; + owned_lane_mask = intel_cx0_get_owned_lane_mask(encoder); for (i = 0; i < 4; i++) { int tx = i % 2 + 1; u8 lane_mask = i < 2 ? INTEL_CX0_LANE0 : INTEL_CX0_LANE1; |