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drm/i915/wm: Extract skl_print_plane_ddb_changes()

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We have skl_print_plane_wm_changes() but the DDB counterpart is
just inline in the main loop. Extract it into a function. We'll
have a second use for this soon.

The "ddb" part is already parametrized in anticipation of the
second user.

v2: Use prink field width for ddb_name alignment

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260319114034.7093-8-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2026-03-19 13:40:32 +02:00
parent e2a5a5b887
commit 27e58f7614
1 changed files with 17 additions and 5 deletions
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22
drivers/gpu/drm/i915/display/skl_watermark.c
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@ -2601,6 +2601,21 @@ static char enast(bool enable)
return enable ? '*' : ' ';
}
static void
skl_print_plane_ddb_changes(struct intel_plane *plane,
const struct skl_ddb_entry *old,
const struct skl_ddb_entry *new,
const char *ddb_name)
{
struct intel_display *display = to_intel_display(plane);
drm_dbg_kms(display->drm,
"[PLANE:%d:%s] %5s (%4d - %4d) -> (%4d - %4d), size %4d -> %4d\n",
plane->base.base.id, plane->base.name, ddb_name,
old->start, old->end, new->start, new->end,
skl_ddb_entry_size(old), skl_ddb_entry_size(new));
}
static noinline_for_stack void
skl_print_plane_wm_changes(struct intel_plane *plane,
const struct skl_plane_wm *old_wm,
@ -2722,11 +2737,8 @@ skl_print_wm_changes(struct intel_atomic_state *state)
if (skl_ddb_entry_equal(old, new))
continue;
drm_dbg_kms(display->drm,
"[PLANE:%d:%s] ddb (%4d - %4d) -> (%4d - %4d), size %4d -> %4d\n",
plane->base.base.id, plane->base.name,
old->start, old->end, new->start, new->end,
skl_ddb_entry_size(old), skl_ddb_entry_size(new));
skl_print_plane_ddb_changes(plane, old, new, "ddb");
}
for_each_intel_plane_on_crtc(display->drm, crtc, plane) {