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drm/vc4: hvs: More logging for dlist generation

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DLIST generation can get pretty tricky and there's not a lot of debug in
the driver to help. Let's add a few more to track the generated DLIST
size.

Signed-off-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240621152055.4180873-10-dave.stevenson@raspberrypi.com
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
This commit is contained in:
Maxime Ripard 2024-06-21 16:20:33 +01:00 committed by Dave Stevenson
parent 6ecfe7c2f9
commit b6d7a95396
1 changed files with 12 additions and 2 deletions
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14
drivers/gpu/drm/vc4/vc4_hvs.c
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@ -456,11 +456,21 @@ int vc4_hvs_atomic_check(struct drm_crtc *crtc, struct drm_atomic_state *state)
if (hweight32(crtc_state->connector_mask) > 1)
return -EINVAL;
drm_atomic_crtc_state_for_each_plane_state(plane, plane_state, crtc_state)
dlist_count += vc4_plane_dlist_size(plane_state);
drm_atomic_crtc_state_for_each_plane_state(plane, plane_state, crtc_state) {
u32 plane_dlist_count = vc4_plane_dlist_size(plane_state);
drm_dbg_driver(dev, "[CRTC:%d:%s] Found [PLANE:%d:%s] with DLIST size: %u\n",
crtc->base.id, crtc->name,
plane->base.id, plane->name,
plane_dlist_count);
dlist_count += plane_dlist_count;
}
dlist_count++; /* Account for SCALER_CTL0_END. */
drm_dbg_driver(dev, "[CRTC:%d:%s] Allocating DLIST block with size: %u\n",
crtc->base.id, crtc->name, dlist_count);
spin_lock_irqsave(&vc4->hvs->mm_lock, flags);
ret = drm_mm_insert_node(&vc4->hvs->dlist_mm, &vc4_state->mm,
dlist_count);