diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-6.1/950-0935-drm-vc4-plane-Add-more-debugging-for-LBM-allocation.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-6.1/950-0935-drm-vc4-plane-Add-more-debugging-for-LBM-allocation.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-6.1/950-0935-drm-vc4-plane-Add-more-debugging-for-LBM-allocation.patch b/target/linux/bcm27xx/patches-6.1/950-0935-drm-vc4-plane-Add-more-debugging-for-LBM-allocation.patch new file mode 100644 index 0000000000..d8d68e79aa --- /dev/null +++ b/target/linux/bcm27xx/patches-6.1/950-0935-drm-vc4-plane-Add-more-debugging-for-LBM-allocation.patch @@ -0,0 +1,36 @@ +From 164f7e94da446984f275be1c082b93243beadfba Mon Sep 17 00:00:00 2001 +From: Maxime Ripard <maxime@cerno.tech> +Date: Wed, 22 Mar 2023 16:17:57 +0100 +Subject: [PATCH] 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 <maxime@cerno.tech> +--- + drivers/gpu/drm/vc4/vc4_plane.c | 4 ++++ + 1 file changed, 4 insertions(+) + +--- a/drivers/gpu/drm/vc4/vc4_plane.c ++++ b/drivers/gpu/drm/vc4/vc4_plane.c +@@ -735,6 +735,7 @@ static int vc4_plane_allocate_lbm(struct + { + 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; +@@ -743,6 +744,9 @@ static int vc4_plane_allocate_lbm(struct + 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; + |