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drm/i915/cdclk: Extract glk_cdclk_audio_wa_needed()

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Extract the glk audio w/a check into a small helper. We'll
have other uses for this later.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250923171943.7319-6-ville.syrjala@linux.intel.com
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
This commit is contained in:
Ville Syrjälä
2025-09-23 20:19:27 +03:00
parent 70f5b65550
commit 24c78dda6d
1 changed files with 9 additions and 2 deletions
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11
drivers/gpu/drm/i915/display/intel_cdclk.c
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@@ -2831,6 +2831,14 @@ static int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_stat
return min_cdclk; return min_cdclk;
} }
static bool glk_cdclk_audio_wa_needed(struct intel_display *display,
const struct intel_cdclk_state *cdclk_state)
{
return display->platform.geminilake &&
cdclk_state->active_pipes &&
!is_power_of_2(cdclk_state->active_pipes);
}
static int intel_compute_min_cdclk(struct intel_atomic_state *state) static int intel_compute_min_cdclk(struct intel_atomic_state *state)
{ {
struct intel_display *display = to_intel_display(state); struct intel_display *display = to_intel_display(state);
@@ -2887,8 +2895,7 @@ static int intel_compute_min_cdclk(struct intel_atomic_state *state)
* by changing the cd2x divider (see glk_cdclk_table[]) and * by changing the cd2x divider (see glk_cdclk_table[]) and
* thus a full modeset won't be needed then. * thus a full modeset won't be needed then.
*/ */
if (display->platform.geminilake && cdclk_state->active_pipes && if (glk_cdclk_audio_wa_needed(display, cdclk_state))
!is_power_of_2(cdclk_state->active_pipes))
min_cdclk = max(min_cdclk, 2 * 96000); min_cdclk = max(min_cdclk, 2 * 96000);
if (min_cdclk > display->cdclk.max_cdclk_freq) { if (min_cdclk > display->cdclk.max_cdclk_freq) {