[PATCH RFC 03/13] drm/msm: look for lpac from dts
Dmitry Baryshkov
dmitry.baryshkov at oss.qualcomm.com
Mon Jul 6 08:04:44 PDT 2026
On Sun, Jul 05, 2026 at 09:13:37PM +0200, Anna Maniscalco wrote:
> In order to associate the SID used by LPAC to it's own domain and
> context bank we need a separate node on the DTS.
Can we use iommu-map instead of adding a new device using the same
addresses? You provide zero explanations, but it seems like you are
trying to separate a part of the GPU into a separate device, but it's
unnecessary.
>
> Add the code to look up that node on initialization.
>
> Signed-off-by: Anna Maniscalco <anna.maniscalco2000 at gmail.com>
> ---
> drivers/gpu/drm/msm/adreno/adreno_gpu.c | 21 ++++++++++++++++++++-
> drivers/gpu/drm/msm/msm_gpu.h | 1 +
> 2 files changed, 21 insertions(+), 1 deletion(-)
>
--
With best wishes
Dmitry
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