diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-6.1/950-0952-drm-vc4-Fix-dlist-debug-not-resetting-the-next-entry.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-6.1/950-0952-drm-vc4-Fix-dlist-debug-not-resetting-the-next-entry.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-6.1/950-0952-drm-vc4-Fix-dlist-debug-not-resetting-the-next-entry.patch b/target/linux/bcm27xx/patches-6.1/950-0952-drm-vc4-Fix-dlist-debug-not-resetting-the-next-entry.patch new file mode 100644 index 0000000000..01ad932415 --- /dev/null +++ b/target/linux/bcm27xx/patches-6.1/950-0952-drm-vc4-Fix-dlist-debug-not-resetting-the-next-entry.patch @@ -0,0 +1,33 @@ +From 3660abb4a8523e988f1345985e89149804e50ebe Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Thu, 24 Aug 2023 15:36:21 +0100 +Subject: [PATCH] drm/vc4: Fix dlist debug not resetting the next entry pointer + +The debug function to display the dlists didn't reset next_entry_start +when starting each display, so resulting in not stopping the +list at the correct place. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + drivers/gpu/drm/vc4/vc4_hvs.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +--- a/drivers/gpu/drm/vc4/vc4_hvs.c ++++ b/drivers/gpu/drm/vc4/vc4_hvs.c +@@ -110,7 +110,7 @@ static int vc4_hvs_debugfs_dlist(struct + struct vc4_dev *vc4 = to_vc4_dev(dev); + struct vc4_hvs *hvs = vc4->hvs; + struct drm_printer p = drm_seq_file_printer(m); +- unsigned int next_entry_start = 0; ++ unsigned int next_entry_start; + unsigned int i, j; + u32 dlist_word, dispstat; + +@@ -124,6 +124,7 @@ static int vc4_hvs_debugfs_dlist(struct + } + + drm_printf(&p, "HVS chan %u:\n", i); ++ next_entry_start = 0; + + for (j = HVS_READ(SCALER_DISPLISTX(i)); j < 256; j++) { + dlist_word = readl((u32 __iomem *)vc4->hvs->dlist + j); |