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authorMaxime Ripard <[email protected]>2024-06-21 16:20:35 +0100
committerDave Stevenson <[email protected]>2024-09-09 13:02:53 +0100
commitf18029bdf2e85d281b6e1a79c33daf84b5730e59 (patch)
treec35c4f06e7cc43b05e470b1f83284fe5707d3135
parent6184b9446d43d36615b75683967a3bbfb06c2d20 (diff)
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 <[email protected]> Reviewed-by: Maxime Ripard <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Dave Stevenson <[email protected]>
-rw-r--r--drivers/gpu/drm/vc4/vc4_plane.c4
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;