[v8,16/20] drm/i915/alpm: Make crtc_state as const in intel_alpm_compute_params

Commit Message

Jouni Högander June 13, 2024, 9:32 a.m. UTC

Intel_alpm_compute_params doesn't change crtc_state. Let's convert it as
const.

Signed-off-by: Jouni Högander <[e-mail]>
---
 drivers/gpu/drm/i915/display/intel_alpm.c | 9 +++++----
 drivers/gpu/drm/i915/display/intel_alpm.h | 2 +-
 2 files changed, 6 insertions(+), 5 deletions(-)

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_alpm.c b/drivers/gpu/drm/i915/display/intel_alpm.c
index 67848fc1e24d..80fc1ef7552b 100644
--- a/drivers/gpu/drm/i915/display/intel_alpm.c
+++ b/drivers/gpu/drm/i915/display/intel_alpm.c
@@ -135,8 +135,9 @@  static int _lnl_compute_aux_less_wake_time(int port_clock)
 			    t1 + tcds, 1000);
 }
 
-static int _lnl_compute_aux_less_alpm_params(struct intel_dp *intel_dp,
-					     struct intel_crtc_state *crtc_state)
+static int
+_lnl_compute_aux_less_alpm_params(struct intel_dp *intel_dp,
+				  const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);
 	int aux_less_wake_time, aux_less_wake_lines, silence_period,
@@ -168,7 +169,7 @@  static int _lnl_compute_aux_less_alpm_params(struct intel_dp *intel_dp,
 }
 
 static bool _lnl_compute_alpm_params(struct intel_dp *intel_dp,
-				     struct intel_crtc_state *crtc_state)
+				     const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);
 	int check_entry_lines;
@@ -220,7 +221,7 @@  static int io_buffer_wake_time(const struct intel_crtc_state *crtc_state)
 }
 
 bool intel_alpm_compute_params(struct intel_dp *intel_dp,
-				      struct intel_crtc_state *crtc_state)
+			       const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);
 	int io_wake_lines, io_wake_time, fast_wake_lines, fast_wake_time;
diff --git a/drivers/gpu/drm/i915/display/intel_alpm.h b/drivers/gpu/drm/i915/display/intel_alpm.h
index d4fb60393c91..8c409b10dce6 100644
--- a/drivers/gpu/drm/i915/display/intel_alpm.h
+++ b/drivers/gpu/drm/i915/display/intel_alpm.h
@@ -15,7 +15,7 @@  struct intel_connector;
 
 void intel_alpm_init_dpcd(struct intel_dp *intel_dp);
 bool intel_alpm_compute_params(struct intel_dp *intel_dp,
-			       struct intel_crtc_state *crtc_state);
+			       const struct intel_crtc_state *crtc_state);
 void intel_alpm_lobf_compute_config(struct intel_dp *intel_dp,
 				    struct intel_crtc_state *crtc_state,
 				    struct drm_connector_state *conn_state);