On Fri, 28 Sep 2018 16:21:26 -0700
Eric Anholt <eric@xxxxxxxxxx> wrote:
> Fixes an oops reading this debugfs entry on BCM7278.
>
You probably want to add:
Fixes: 57692c94dcbe ("drm/v3d: Introduce a new DRM driver for Broadcom V3D V3.x+")
Cc: <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
In any case, this is
Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxx>
> ---
> drivers/gpu/drm/v3d/v3d_debugfs.c | 11 +++++++----
> 1 file changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/v3d/v3d_debugfs.c b/drivers/gpu/drm/v3d/v3d_debugfs.c
> index d48008adb085..eb2b2d2f8553 100644
> --- a/drivers/gpu/drm/v3d/v3d_debugfs.c
> +++ b/drivers/gpu/drm/v3d/v3d_debugfs.c
> @@ -71,10 +71,13 @@ static int v3d_v3d_debugfs_regs(struct seq_file *m, void *unused)
> V3D_READ(v3d_hub_reg_defs[i].reg));
> }
>
> - for (i = 0; i < ARRAY_SIZE(v3d_gca_reg_defs); i++) {
> - seq_printf(m, "%s (0x%04x): 0x%08x\n",
> - v3d_gca_reg_defs[i].name, v3d_gca_reg_defs[i].reg,
> - V3D_GCA_READ(v3d_gca_reg_defs[i].reg));
> + if (v3d->ver < 41) {
> + for (i = 0; i < ARRAY_SIZE(v3d_gca_reg_defs); i++) {
> + seq_printf(m, "%s (0x%04x): 0x%08x\n",
> + v3d_gca_reg_defs[i].name,
> + v3d_gca_reg_defs[i].reg,
> + V3D_GCA_READ(v3d_gca_reg_defs[i].reg));
> + }
> }
>
> for (core = 0; core < v3d->cores; core++) {
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