diff options
| author | EricAnholt <EricAnholt@web> | 2015-10-02 15:47:50 -0700 |
|---|---|---|
| committer | dri <iki-dri@freedesktop.org> | 2015-10-02 15:47:50 -0700 |
| commit | a3ce4e69c309bb55bce552a1bb7bab233fdb5ffc (patch) | |
| tree | 86259ebf3a2814a7e90ed921d3cf09ed4dce6d68 /VC4.mdwn | |
| parent | 9fdb7bfcdc321af2ca0457cdde3e136bb6f2b98e (diff) | |
Add missing requirement for i2c.
Diffstat (limited to 'VC4.mdwn')
| -rw-r--r-- | VC4.mdwn | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -119,6 +119,8 @@ You should start with the defconfig for 2835. You need CONFIG_DRM_VC4=y (not m, or it won't load). +You need CONFIG_I2C_BCM2835=y for the DDC I2C adapter. + You need CONFIG_CMA_SIZE_MBYTES=128 (or, apparently, cma=128M on the kernel command line), or you'll get "vc4-drm vc4-drm.0: failed to allocate buffer with size 7057408". (Smaller values such as 64M will cause allocation failures for even small apps like openarena). You have to add the following lines to /boot/config.txt: |