Resending the question as the previous one was sent only to the freedreno list. Apologies for spamming!
On 4/17/2023 8:30 AM, Konrad Dybcio wrote:
Apart from the already handled data bus (MAS_MDP_Pn<->DDR), there'sIf posted already, please point to the DTSI patch for this ICC path.
another path that needs to be handled to ensure MDSS functions properly,
namely the "reg bus", a.k.a the CPU-MDSS interconnect.
Gating that path may have a variety of effects.. from none to otherwise
inexplicable DSI timeouts..
Describe it in bindings to allow for use in device trees.
Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
---
Documentation/devicetree/bindings/display/msm/mdss-common.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/display/msm/mdss-common.yaml b/Documentation/devicetree/bindings/display/msm/mdss-common.yaml
index ccd7d6417523..9eb5b6d3e0b9 100644
--- a/Documentation/devicetree/bindings/display/msm/mdss-common.yaml
+++ b/Documentation/devicetree/bindings/display/msm/mdss-common.yaml
@@ -72,6 +72,7 @@ properties:
items:
- const: mdp0-mem
- const: mdp1-mem
+ - const: cpu-cfg
resets:
items: