drm/i915/scaler: Extract skl_scaler_min_dst_size()

The SKL_MIN_DST_* defines just make things hard to read.
Get rid of them and introduce an easy to read function
in their place.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241219130827.22830-4-ville.syrjala@linux.intel.com
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>

diff --git a/drivers/gpu/drm/i915/display/skl_scaler.c b/drivers/gpu/drm/i915/display/skl_scaler.c
index d6bef657886749168af7d7e93f12166f56e43746..cabbf4860cb3881d667f1eda811a36576a57132f 100644 (file)
--- a/drivers/gpu/drm/i915/display/skl_scaler.c
+++ b/drivers/gpu/drm/i915/display/skl_scaler.c
@@ -76,9 +76,7 @@ static u16 skl_scaler_calc_phase(int sub, int scale, bool chroma_cosited)
        return ((phase >> 2) & PS_PHASE_MASK) | trip;
 }
 
-#define SKL_MIN_DST_W 8
 #define SKL_MAX_DST_W 4096
-#define SKL_MIN_DST_H 8
 #define SKL_MAX_DST_H 4096
 #define ICL_MAX_DST_W 5120
 #define ICL_MAX_DST_H 4096
@@ -119,6 +117,12 @@ static void skl_scaler_max_src_size(struct intel_crtc *crtc,
        }
 }
 
+static void skl_scaler_min_dst_size(int *min_w, int *min_h)
+{
+       *min_w = 8;
+       *min_h = 8;
+}
+
 static int
 skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach,
                  unsigned int scaler_user, int *scaler_id,
@@ -186,8 +190,7 @@ skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach,
        skl_scaler_min_src_size(format, modifier, &min_src_w, &min_src_h);
        skl_scaler_max_src_size(crtc, &max_src_w, &max_src_h);
 
-       min_dst_w = SKL_MIN_DST_W;
-       min_dst_h = SKL_MIN_DST_H;
+       skl_scaler_min_dst_size(&min_dst_w, &min_dst_h);
 
        if (DISPLAY_VER(display) < 11) {
                max_dst_w = SKL_MAX_DST_W;