Restructure MSM DSI PHY drivers. What started as an attempt to grok the overcomplicated PHY drivers, has lead up to the idea of merging PHY and PLL code, reducing abstractions, code duplication, dropping dead code, etc.
The patches were mainly tested on RB5 (sm8250, 7nm) and DB410c (apq8016, 28nm-lp) and lightly tested on RB3 (sdm845, 10nm).
External dependency for sm8250: https://lore.kernel.org/linux-arm-msm/20210317144039.556409-10-dmitry.barysh...
The patch 'clk: fixed: add devm helper for clk_hw_register_fixed_factor()' is already a part of mainline as of 5.12-rc1, but is included here for completeness to fix compilation issues (as msm-next is based on 5.11-rc5).
Changes since v1: - Rebase on top of msm/msm-next - Reorder patches to follow logical sequence - Add sc7180 clocks assignment - Drop sm8250 clocks assignment, as respective file is not updated in msm/msm-next
Changes since RFC: - Reorder patches to move global clock patches in the beginning and dtsi patches where they are required. - remove msm_dsi_phy_set_src_pll() and guess src_pll_id using PHY usecase.
The following changes since commit 627dc55c273dab308303a5217bd3e767d7083ddb:
drm/msm/disp/dpu1: icc path needs to be set before dpu runtime resume (2021-03-22 18:52:34 -0700)
are available in the Git repository at:
https://git.linaro.org/people/dmitry.baryshkov/kernel.git dsi-phy-2
for you to fetch changes up to 0fec912264e9ee8f0ebbad12e2711843d7d9e0ac:
drm/msm/dsi: stop passing src_pll_id to the phy_enable call (2021-03-24 18:14:39 +0300)
---------------------------------------------------------------- Daniel Palmer (1): clk: fixed: add devm helper for clk_hw_register_fixed_factor()
Dmitry Baryshkov (27): clk: mux: provide devm_clk_hw_register_mux() clk: divider: add devm_clk_hw_register_divider drm/msm/dsi: replace PHY's init callback with configurable data drm/msm/dsi: fuse dsi_pll_* code into dsi_phy_* code drm/msm/dsi: drop multiple pll enable_seq support drm/msm/dsi: move all PLL callbacks into PHY config struct drm/msm/dsi: drop global msm_dsi_phy_type enumaration drm/msm/dsi: move min/max PLL rate to phy config drm/msm/dsi: remove msm_dsi_pll_set_usecase drm/msm/dsi: stop setting clock parents manually arm64: dts: qcom: sdm845: assign DSI clock source parents arm64: dts: qcom: sc7180: assign DSI clock source parents drm/msm/dsi: push provided clocks handling into a generic code drm/msm/dsi: use devm_clk_*register to registe DSI PHY clocks drm/msm/dsi: use devm_of_clk_add_hw_provider drm/msm/dsi: make save/restore_state phy-level functions drm/msm/dsi: drop vco_delay setting from 7nm, 10nm, 14nm drivers drm/msm/dpu: simplify vco_delay handling in dsi_phy_28nm driver drm/msi/dsi: inline msm_dsi_pll_helper_clk_prepare/unprepare drm/msm/dsi: make save_state/restore_state callbacks accept msm_dsi_phy drm/msm/dsi: drop msm_dsi_pll abstracton drm/msm/dsi: drop PLL accessor functions drm/msm/dsi: move ioremaps to dsi_phy_driver_probe drm/msm/dsi: remove duplicate fields from dsi_pll_Nnm instances drm/msm/dsi: remove temp data from global pll structure drm/msm/dsi: inline msm_dsi_phy_set_src_pll drm/msm/dsi: stop passing src_pll_id to the phy_enable call
arch/arm64/boot/dts/qcom/sc7180.dtsi | 3 + arch/arm64/boot/dts/qcom/sdm845.dtsi | 6 + drivers/clk/clk-fixed-factor.c | 39 +- drivers/clk/clk-mux.c | 35 + drivers/gpu/drm/msm/Kconfig | 8 - drivers/gpu/drm/msm/Makefile | 9 - drivers/gpu/drm/msm/dsi/dsi.h | 58 +- drivers/gpu/drm/msm/dsi/dsi_host.c | 51 -- drivers/gpu/drm/msm/dsi/dsi_manager.c | 29 +- drivers/gpu/drm/msm/dsi/phy/dsi_phy.c | 150 ++-- drivers/gpu/drm/msm/dsi/phy/dsi_phy.h | 41 +- drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c | 745 ++++++++++++++- drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c | 939 ++++++++++++++++++- drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c | 16 +- drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c | 654 +++++++++++++- drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c | 479 +++++++++- drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c | 772 +++++++++++++++- drivers/gpu/drm/msm/dsi/pll/dsi_pll.c | 184 ---- drivers/gpu/drm/msm/dsi/pll/dsi_pll.h | 132 --- drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c | 881 ------------------ drivers/gpu/drm/msm/dsi/pll/dsi_pll_14nm.c | 1096 ----------------------- drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c | 643 ------------- drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c | 526 ----------- drivers/gpu/drm/msm/dsi/pll/dsi_pll_7nm.c | 913 ------------------- include/linux/clk-provider.h | 34 +- 25 files changed, 3722 insertions(+), 4721 deletions(-) delete mode 100644 drivers/gpu/drm/msm/dsi/pll/dsi_pll.c delete mode 100644 drivers/gpu/drm/msm/dsi/pll/dsi_pll.h delete mode 100644 drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c delete mode 100644 drivers/gpu/drm/msm/dsi/pll/dsi_pll_14nm.c delete mode 100644 drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c delete mode 100644 drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c delete mode 100644 drivers/gpu/drm/msm/dsi/pll/dsi_pll_7nm.c