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drm/i915/scaler: Extract intel_allocate_scaler()

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intel_atomic_setup_scaler() is a mess. Make it a bit less so
by moving the scaler allocation loop into its own function.

Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241107122658.21901-9-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä
2024-11-07 14:26:58 +02:00
parent 3de26c81e9
commit ecf2afc59c
1 changed files with 19 additions and 12 deletions
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31
drivers/gpu/drm/i915/display/skl_scaler.c
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@@ -291,6 +291,23 @@ int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
need_scaler);
}
static int intel_allocate_scaler(struct intel_crtc_scaler_state *scaler_state,
struct intel_crtc *crtc)
{
int i;
for (i = 0; i < crtc->num_scalers; i++) {
if (scaler_state->scalers[i].in_use)
continue;
scaler_state->scalers[i].in_use = true;
return i;
}
return -1;
}
static int intel_atomic_setup_scaler(struct intel_crtc_scaler_state *scaler_state,
int num_scalers_need, struct intel_crtc *crtc,
const char *name, int idx,
@@ -299,20 +316,10 @@ static int intel_atomic_setup_scaler(struct intel_crtc_scaler_state *scaler_stat
{
struct intel_display *display = to_intel_display(crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
int j;
u32 mode;
if (*scaler_id < 0) {
/* find a free scaler */
for (j = 0; j < crtc->num_scalers; j++) {
if (scaler_state->scalers[j].in_use)
continue;
*scaler_id = j;
scaler_state->scalers[*scaler_id].in_use = true;
break;
}
}
if (*scaler_id < 0)
*scaler_id = intel_allocate_scaler(scaler_state, crtc);
if (drm_WARN(display->drm, *scaler_id < 0,
"Cannot find scaler for %s:%d\n", name, idx))