Re: [PATCH v4 2/7] drm/msm/hdmi: Handle msm_hdmi_power_on() errors during .atomic_pre_enable()

[Dmitry Baryshkov]

On Fri, Sep 11, 2026 at 12:29:35PM +0200, Krzysztof Kozlowski wrote:
> Properly handle power up failures during .atomic_pre_enable() by
> aborting the .atomic_pre_enable() to avoid accessing registers why
> blocks did not bring up.  Otherwise this could lead to imprecise aborts
> when accessing MMIO while entire power domain is off.
> 
> Cc: <stable@xxxxxxxxxxxxxxx>
> Fixes: ba3d7bf3a7ab ("drm/msm/hdmi: Convert PHY files according to new design")
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/msm/hdmi/hdmi_bridge.c | 30 +++++++++++++++++++++---------
>  1 file changed, 21 insertions(+), 9 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>


-- 
With best wishes
Dmitry