diff options
| author | Maxime Ripard <mripard@kernel.org> | 2024-06-21 18:20:35 +0300 |
|---|---|---|
| committer | Dave Stevenson <dave.stevenson@raspberrypi.com> | 2024-09-09 15:02:53 +0300 |
| commit | f18029bdf2e85d281b6e1a79c33daf84b5730e59 (patch) | |
| tree | c35c4f06e7cc43b05e470b1f83284fe5707d3135 | |
| parent | 6184b9446d43d36615b75683967a3bbfb06c2d20 (diff) | |
| download | linux-f18029bdf2e85d281b6e1a79c33daf84b5730e59.tar.xz | |
drm/vc4: plane: Add more debugging for LBM allocation
LBM allocations need a different size depending on the line length,
format, etc.
This can get tricky, and fail. Let's add some more prints to ease the
debugging when it does.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240621152055.4180873-12-dave.stevenson@raspberrypi.com
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_plane.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index e4fcef11cf6f..16197c4b4b33 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -741,6 +741,7 @@ static int vc4_plane_allocate_lbm(struct drm_plane_state *state) { struct drm_device *drm = state->plane->dev; struct vc4_dev *vc4 = to_vc4_dev(drm); + struct drm_plane *plane = state->plane; struct vc4_plane_state *vc4_state = to_vc4_plane_state(state); unsigned long irqflags; u32 lbm_size; @@ -749,6 +750,9 @@ static int vc4_plane_allocate_lbm(struct drm_plane_state *state) if (!lbm_size) return 0; + drm_dbg_driver(drm, "[PLANE:%d:%s] LBM Allocation Size: %u\n", + plane->base.id, plane->name, lbm_size); + if (WARN_ON(!vc4_state->lbm_offset)) return -EINVAL; |