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drm/i915: Extract intel_dbuf_bw_changed()

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Extract the struct intel_dbuf_bw comparison into a small
helper. We'll get more users later.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250326162544.3642-4-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä
2025-03-26 18:25:33 +02:00
parent 92512d4827
commit 8261fbacd9
1 changed files with 17 additions and 6 deletions
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23
drivers/gpu/drm/i915/display/intel_bw.c
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@@ -1150,6 +1150,21 @@ static int intel_bw_check_qgv_points(struct intel_display *display,
old_bw_state, new_bw_state);
}
static bool intel_dbuf_bw_changed(struct intel_display *display,
const struct intel_dbuf_bw *old_dbuf_bw,
const struct intel_dbuf_bw *new_dbuf_bw)
{
enum dbuf_slice slice;
for_each_dbuf_slice(display, slice) {
if (old_dbuf_bw->max_bw[slice] != new_dbuf_bw->max_bw[slice] ||
old_dbuf_bw->active_planes[slice] != new_dbuf_bw->active_planes[slice])
return true;
}
return false;
}
static bool intel_bw_state_changed(struct intel_display *display,
const struct intel_bw_state *old_bw_state,
const struct intel_bw_state *new_bw_state)
@@ -1161,13 +1176,9 @@ static bool intel_bw_state_changed(struct intel_display *display,
&old_bw_state->dbuf_bw[pipe];
const struct intel_dbuf_bw *new_dbuf_bw =
&new_bw_state->dbuf_bw[pipe];
enum dbuf_slice slice;
for_each_dbuf_slice(display, slice) {
if (old_dbuf_bw->max_bw[slice] != new_dbuf_bw->max_bw[slice] ||
old_dbuf_bw->active_planes[slice] != new_dbuf_bw->active_planes[slice])
return true;
}
if (intel_dbuf_bw_changed(display, old_dbuf_bw, new_dbuf_bw))
return true;
if (intel_bw_crtc_min_cdclk(display, old_bw_state->data_rate[pipe]) !=
intel_bw_crtc_min_cdclk(display, new_bw_state->data_rate[pipe]))