diff options
| author | Dave Stevenson <dave.stevenson@raspberrypi.com> | 2024-06-21 16:20:41 +0100 |
|---|---|---|
| committer | Dave Stevenson <dave.stevenson@raspberrypi.com> | 2024-09-09 13:02:53 +0100 |
| commit | 6d5f76e0544b04ec5bdd2a09c19d90aeeb2cd479 (patch) | |
| tree | 709e53578570f38d02035ba3169314e9fc090962 | |
| parent | 223ee2567a55e4f80315c768d2969e6a3b9fb23d (diff) | |
drm/vc4: hvs: 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.
Fixes: c6dac00340fc ("drm/vc4: hvs: Add debugfs node that dumps the current display lists")
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240621152055.4180873-18-dave.stevenson@raspberrypi.com
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_hvs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hvs.c b/drivers/gpu/drm/vc4/vc4_hvs.c index 8dab59341a82..bdc70b629054 100644 --- 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 seq_file *m, void *data) 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 seq_file *m, void *data) } 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); |