BFE EngineeringandClaude Opus 4.8
5abf1c4468
The RV1106 VOP is the RV-series "lite" VOP (rockchip,rv1106-vop, VOP_VERSION 2.0xc),
mainline's VOP1 driver. Its sibling rv1126 is already in 6.18, so rv1106_vop reuses
rv1126's register sub-structs + VOP_FEATURE_INTERNAL_RGB + the smaller raster.
Verified on warden-c8a3: with the driver delta + DT (vop enabled with named
"ahb"/"dclk" resets, vop_out repointed to a panel-dpi 720x720 node, pwm-backlight
on pwm1), the VOP BINDS and DRM initialises (/dev/dri/card0), and the PWM backlight
comes up. The register data / version / feature / resets are validated.
Open: /sys/class/drm/card0 has no connector yet — rockchip_rgb_init isn't producing
one ("Cannot find any crtc"). Last mile of M4; needs a debug print in rgb_init + the
panel bus_format, and the pixels must be verified on the physical panel (can't be
checked over serial/ssh). Full recipe + next steps in display/README.md.
Also batch-2 config: GPIO_SYSFS, PWM_ROCKCHIP, crypto (aes/ccm/ctr/arc4), CFG80211,
DRM_ROCKCHIP/ROCKCHIP_VOP all =y; PSCI-style SMC removed via the psci-node deletion.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017wB8KB3MMQztRDXCMCkPrf
44 lines
2.8 KiB
Markdown
44 lines
2.8 KiB
Markdown
# RV1106 6.18 driver parity vs the 5.10 vendor kernel
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Goal: every driver the panel's 5.10 kernel runs must work at ≥ parity on our
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self-built 6.18. Source of truth = the running 5.10 system on warden-c8a3
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(`lsmod` + `/proc/interrupts`, captured 2026-08-24). Verify each on hardware via
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the A/B `_b`-slot loop (`../docs/m2-boot-on-c8a3.md`); ✅ means confirmed on
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c8a3, not just compiled.
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| Driver / node | 5.10 evidence | mainline? | 6.18 status |
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|---|---|---|---|
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| CRU clock (clk-rv1106) | — | ported | ✅ M2 |
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| pinctrl-rockchip (rv1106) | — | ported | ✅ M2 |
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| GIC-400 / arch_timer | arch_timer | mainline | ✅ M2 |
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| dw_mmc (eMMC) | dw-mci | mainline | ✅ M3 |
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| 8250 uart2 (console) | ttyS2 | mainline | ✅ M2 |
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| GPIO (rockchip, ×5 banks) | gpio-rockchip | mainline | ✅ batch1 (chips 0–4) |
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| DMA (pl330, ff420000) | ff420000.dma-controller | mainline | ✅ batch1 |
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| uart1 / uart4 | ttyS1, ttyS4 | mainline | ✅ batch1 |
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| I2C (dw-apb, ff460000=i2c3) | ff460000.i2c | mainline | ✅ batch1 (i2c-3) |
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| watchdog (dw-wdt, ff5a0000) | ff5a0000.watchdog | mainline | ✅ batch1 (watchdog0) |
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| thermal governor | rockchip_thermal | mainline | 🔨 gov up; tsadc node TODO |
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| SARADC (ff3c0000) | ff3c0000.saradc | mainline (no rv1106 compat) | ⬜ needs compat fallback |
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| GPIO_SYSFS (legacy /sys/class/gpio) | — | mainline (config) | ⬜ goodix script needs it |
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| PWM (rockchip) | — | mainline (=m) | ⬜ batch2 =y (backlight) |
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| RTC (rv1106-rtc) | — | **no mainline driver** | ⬜ port (low prio) |
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| USB2 phy (inno, rv1106) | rockchip_usb2phy_* | mainline (no rv1106 data) | ⬜ port (data + tuning) |
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| USB OTG gadget (DWC3, eth0) | eth0 | mainline dwc3 (needs phy) | ⬜ M6 (after phy) |
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| USB host (xhci, usb1) | xhci-hcd:usb1 | mainline | ⬜ M6 |
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| crypto (aes/ccm/ctr/arc4) | modules | mainline | ⬜ batch2 (config =y) |
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| PSCI node (removed) | — | — | ✅ deleted (no secure monitor → SMC fault) |
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| VOP display (ff990000) | ff990000.vop | ported (rv1126 sibling) | 🔨 binds+DRM+card0; connector WIP |
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| PWM backlight (pwm1) | — | mainline (rk3328 fallback) | ✅ backlight up (brightness) |
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| RGB666 720×720 panel | — | panel-dpi | 🔨 probes; bus_format + connector WIP |
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| GT911 touch (goodix) | goodix, gt911 | mainline | ⬜ M4 (needs GPIO_SYSFS ✅ + node) |
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| GPIO_SYSFS / crypto / CFG80211 | — | mainline (config) | ✅ =y (batch2) |
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| AIC8800 wifi (bsp/fdrv) | aic8800_* | **out-of-tree** | ⬜ M5 |
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| AIC8800 BT (btlpm) | aic8800_btlpm | **out-of-tree** | ⬜ M5 |
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| NPU (rknpu, ff660000) | rknpu, ff660000.npu | **out-of-tree** | ⬜ M6 |
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| RGA 2D (rga2) | rga2 | rockchip | ⬜ M6 |
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| I2S audio | i2s | rockchip | ⬜ M6 |
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| FIQ debugger (ttyFIQ0) | fiq_glue | rockchip | ⬜ optional (we use ttyS2) |
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Legend: ✅ verified on hardware · 🔨 built, not yet verified · ⬜ not started.
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