diff mbox series

drm/msm/adreno: Check for zap node availability

Message ID 20240517195021.8873-1-robdclark@gmail.com
State New
Headers show
Series drm/msm/adreno: Check for zap node availability | expand

Commit Message

Rob Clark May 17, 2024, 7:50 p.m. UTC 
From: Rob Clark <robdclark@chromium.org>

This should allow disabling the zap node via an overlay, for slbounce.

Suggested-by: Nikita Travkin <nikita@trvn.ru>
Signed-off-by: Rob Clark <robdclark@chromium.org>
---
 drivers/gpu/drm/msm/adreno/adreno_gpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Dmitry Baryshkov May 19, 2024, 9:01 a.m. UTC | #1 
On Fri, May 17, 2024 at 12:50:19PM -0700, Rob Clark wrote:
> From: Rob Clark <robdclark@chromium.org>
> 
> This should allow disabling the zap node via an overlay, for slbounce.
> 
> Suggested-by: Nikita Travkin <nikita@trvn.ru>
> Signed-off-by: Rob Clark <robdclark@chromium.org>
> ---
>  drivers/gpu/drm/msm/adreno/adreno_gpu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)


Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
diff mbox series

Patch

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)) {
 		zap_available = false;
 		return -ENODEV;
 	}