[meta-freescale] Patch submission to Freescale kernel

Fabio Estevam festevam at gmail.com
Tue Dec 2 03:16:29 PST 2014


On Tue, Dec 2, 2014 at 2:18 AM, Gary Bisson <bisson.gary at gmail.com> wrote:

> Regarding the mainline kernel, I can't seem to get the HDMI (on nitrogen6x)
> to work at all no matter which revision/board I use. Looking into the source
> code I've seen the evolution of the drivers/staging/imx-drm driver which
> tends to say that HDMI is supported. If so, would anyone have some insights
> on which command line to pass the kernel in order to get the mainline kernel
> to recognize the HDMI display properly. So far the init seems to be fine but
> fb0 sysfs modes is just rubbish.
> [    1.863506] imx-drm display-subsystem: bound imx-ipuv3-crtc.0 (ops
> ipu_crtc_ops)
> [    1.863719] imx-drm display-subsystem: bound imx-ipuv3-crtc.1 (ops
> ipu_crtc_ops)
> [    1.863955] imx-drm display-subsystem: bound imx-ipuv3-crtc.4 (ops
> ipu_crtc_ops)
> [    1.864168] imx-drm display-subsystem: bound imx-ipuv3-crtc.5 (ops
> ipu_crtc_ops)
> [    1.867758] imx-hdmi 120000.hdmi: Detected HDMI controller
> 0x13:0xa:0xa0:0xc1
> [    1.868066] imx-drm display-subsystem: bound 120000.hdmi (ops hdmi_ops)
> [    1.868537] imx-drm display-subsystem: bound
> 2000000.aips-bus:ldb at 020e0008 (ops imx_ldb_ops)

Could you try disabling the LVDS node to see if this helps?


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