On Fri, May 17, 2024 at 12:50:19PM -0700, Rob Clark wrote:
> From: Rob Clark <robdclark@xxxxxxxxxxxx>
>
> This should allow disabling the zap node via an overlay, for slbounce.
>
> Suggested-by: Nikita Travkin <nikita@xxxxxxx>
> Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
> ---
> drivers/gpu/drm/msm/adreno/adreno_gpu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> index d9ea15994ae9..a00241e3373b 100644
> --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> @@ -46,7 +46,7 @@ static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname,
> }
>
> np = of_get_child_by_name(dev->of_node, "zap-shader");
> - if (!np) {
> + if (!np || !of_device_is_available(np)) {
if (!of_device_is_available(np)) {
would cover both cases and be slightly cleaner imho...
But this looks reasonable either way.
Reviewed-by: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx>
Regards,
Bjorn
> zap_available = false;
> return -ENODEV;
> }
> --
> 2.45.1
>
