[PATCH v2 0/3] drm/etnaviv: Disable SH_EU clock gating on the i.MX8MP NPU

From: Philipp Zabel
Date: Thu Jan 25 2024 - 06:14:37 EST


The vendor kernel sets a previously unknown clock gating bit in the
VIVS_PM_MODULE_CONTROLS register to disable SH_EU clock gating.

Import new headers from rnndb for the definition and set the bit
for the VIPNano-Si+ NPU on i.MX8MP and other affected cores.

Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
---
Changes in v2:
- Add patch to turn etnaviv_is_model_rev() into a function.
- Use model numbers instead of made up GCxxxx model names.
- Also disable SH_EU clock gating on other models/revisions listed in the
vendor kernel.
- Link to v1: https://lore.kernel.org/r/20240124-etnaviv-npu-v1-0-a5aaf64aec65@xxxxxxxxxxxxxx

---
Philipp Zabel (3):
drm/etnaviv: Update hardware headers from rnndb
drm/etnaviv: Turn etnaviv_is_model_rev() into a function
drm/etnaviv: Disable SH_EU clock gating on VIPNano-Si+

drivers/gpu/drm/etnaviv/cmdstream.xml.h | 52 ++++++++++++++--
drivers/gpu/drm/etnaviv/common.xml.h | 12 ++--
drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 72 +++++++++++++----------
drivers/gpu/drm/etnaviv/state.xml.h | 101 +++++++++++++++++++++++++++-----
drivers/gpu/drm/etnaviv/state_blt.xml.h | 20 +++----
drivers/gpu/drm/etnaviv/state_hi.xml.h | 28 +++++----
6 files changed, 210 insertions(+), 75 deletions(-)
---
base-commit: 6613476e225e090cc9aad49be7fa504e290dd33d
change-id: 20240124-etnaviv-npu-627f6881322c

Best regards,
--
Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>