On 1/7/26 8:44 AM, Petr Hodina via B4 Relay wrote:
From: Petr Hodina <[email protected]>
Add CLK_OPS_PARENT_ENABLE to MDSS pixel clock sources to ensure parent
clocks are enabled during clock operations, preventing potential
stability issues during display configuration.
Fixes: 81351776c9fb ("clk: qcom: Add display clock controller driver for
SDM845")
Signed-off-by: Petr Hodina <[email protected]>
---
We are currently running the latest linux-next snapshots (next-202511*
and next-202512*) and have encountered random freezes and crashes on the
Pixel 3, as well as crash dumps on the OnePlus 6 and 6T.
This commit fixes the stability issue. I've checked other SDM dispcc
files and they also contain this configuration.
Hm, we don't have this flag set in dispcc-x1e80100.c either!
The only random freeze we have on that platform seems related to PCIe
ASPM with NVMe drives, but during display configuration.. *extremely*
rarely, but the eDP display output can get stuck on a blue screen. Many
run with clk_ignore_unused for the early uefi framebuffer though.
~val
