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drm/i915/casf: Extract scaler_has_casf()

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Extract a small helper to determine if the scaler supports
the sharpness filter or not.

Reviewed-by: Michał Grzelak <michal.grzelak@intel.com>
Reviewed-by: Nemesa Garg <nemesa.garg@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260407175244.19654-5-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä 2026-04-07 20:52:38 +03:00
parent 3790c44364
commit 17d70a0760
1 changed files with 8 additions and 4 deletions
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12
drivers/gpu/drm/i915/display/skl_scaler.c
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@ -323,19 +323,24 @@ int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
need_scaler);
}
static bool scaler_has_casf(struct intel_display *display, int scaler_id)
{
return HAS_CASF(display) && scaler_id == 1;
}
static int intel_allocate_scaler(struct intel_crtc_scaler_state *scaler_state,
struct intel_crtc *crtc,
struct intel_plane_state *plane_state,
bool casf_scaler)
{
struct intel_display *display = to_intel_display(crtc);
int i;
for (i = 0; i < crtc->num_scalers; i++) {
if (scaler_state->scalers[i].in_use)
continue;
/* CASF needs second scaler */
if (!plane_state && casf_scaler && i != 1)
if (casf_scaler && !scaler_has_casf(display, i))
continue;
scaler_state->scalers[i].in_use = true;
@ -982,8 +987,7 @@ void skl_scaler_get_config(struct intel_crtc_state *crtc_state)
id = i;
/* Read CASF regs for second scaler */
if (HAS_CASF(display) && id == 1)
if (scaler_has_casf(display, i))
intel_casf_sharpness_get_config(crtc_state);
if (!crtc_state->pch_pfit.casf.enable)