1
0
Fork 0
mirror of https://github.com/Ysurac/openmptcprouter.git synced 2025-03-09 15:40:20 +00:00
openmptcprouter/6.12/target/linux/bcm27xx/patches-6.12/950-0586-drm-vc4-plane-Add-more-debugging-for-LBM-allocation.patch
Ycarus (Yannick Chabanois) bdb9b0046f Add bcm27xx 6.12 test support
2024-12-20 14:17:26 +01:00

39 lines
1.4 KiB
Diff

From f1b80e6e581e0f7939e0768137bd3558e57b2dc9 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <mripard@kernel.org>
Date: Fri, 21 Jun 2024 16:20:35 +0100
Subject: [PATCH 586/697] 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>
---
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
@@ -741,6 +741,7 @@ 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;
@@ -749,6 +750,9 @@ 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;