Hi Xiang,
Its returning 0 modes... :(
Regards,
C.Palminha
# modetest -M drm-arcpgu -c
Connectors:
id encoder status type size (mm) modes encoders
21 0 disconnected HDMI-A 0x0 0 20
props:
1 EDID:
flags: immutable blob
blobs:
value:
2 DPMS:
flags: enum
enums: On=0 Standby=1 Suspend=2 Off=3
value: 0
#
On 19-01-2016 03:38, Xinliang Liu wrote:
> On 18 January 2016 at 22:45, Carlos Palminha <CARLOS.PALMINHA@xxxxxxxxxxxx>
> wrote:
>
>> I'm also getting a message from DRM saying can't find any crtc or
>> sizes...i'm really missing something here.
>> :(
>>
>> -- log --
>> [drm] Initialized drm 1.1.0 20060810
>> drm-arcpgu e0017000.pgu: No connectors reported connected with modes
>> [drm] Cannot find any crtc or sizes - going 1024x768
>> Console: switching to colour frame buffer device 128x48
>> drm-arcpgu e0017000.pgu: fb0: frame buffer device
>> [drm] Initialized drm-arcpgu 1.0.0 20151127 on minor 0
>> -- log ---
>>
>> Any help?
>>
>> Regards,
>> C.Palminha
>>
>>
>> On 18-01-2016 14:32, Carlos Palminha wrote:
>>> Hi Xinliang,
>>>
>>> My get_modes seems to be implemented as the rcar driver...
>>> Probably still missing some init step?
>>>
>>> Regards,
>>> C.Palminha
>>>
>>>
>>> static int arcpgu_drm_connector_get_modes(struct drm_connector
>> *connector)
>>> {
>>> struct drm_encoder_slave *slave;
>>> const struct drm_encoder_slave_funcs *sfuncs;
>>> struct arcpgu_drm_connector * con =
>>> container_of(connector, struct arcpgu_drm_connector, connector);
>>>
>>> slave = con->encoder_slave;
>>> if(slave == NULL) {
>>> dev_err(connector->dev->dev,
>>> "connector_get_modes: cannot find slave encoder for connector\n");
>>> return 0;
>>> }
>>>
>>> sfuncs = slave->slave_funcs;
>>> if(sfuncs->get_modes == NULL){
>>> return 0;
>>> }
>>>
>>> return sfuncs->
>>
>> get_modes(&slave->base,connector);
>>> }
>>>
>>
>
> so, this will call adv7511 driver's
>
> get_modes call back.
> I wonder if the system boot up, it can get modes or not.
> You can test it with the modetest. i.e. $ modetest -M DRM_DRIVER_NAME -c
>
>
>
>
>>> On 31-12-2015 02:19, Xinliang Liu wrote:
>>>>
>>>>
>>>> On 31 December 2015 at 02:46, Carlos Palminha
>>>> <CARLOS.PALMINHA@xxxxxxxxxxxx <mailto:CARLOS.PALMINHA@xxxxxxxxxxxx>>
>> wrote:
>>>>
>>>> Hi guys,
>>>>
>>>> I'm writing a DRM driver for a framebuffer embedded hardware that
>>>> uses an i2c encoder (adv7511), following the basic steps suggested
>>>> by Laurent in "anatomy of an embedded KMS driver":
>>>> https://www.youtube.com/watch?v=Ja8fM7rTae4
>>>>
>>>> After initiliazing all kms, crtc, encoder, i2c, connector functions
>>>> and structures i'm calling drm_fbdev_cma_init to create a fbdev.
>>>>
>>>> When booting i'm getting an error message saying "No connectors
>>>> reported connected with modes", but the driver init is ok and i can
>>>> find the /dev/dri/* and /dev/fb0 devices.
>>>>
>>>> Any clue what i might be missing during the driver load?
>>>>
>>>>
>>>> I think you should check on the 'get_modes' call back of adv7511
>>>> driver. (Or, if possible show us the code.)
>>>>
>>>> Best,
>>>> -xinliang
>>>>
>>>>
>>>> Thanks...
>>>>
>>>> Regards,
>>>> C.Palminha
>>>>
>>>> --- boot log snippet ---
>>>> [drm] Initialized drm 1.1.0 20060810
>>>> drm-arcpgu e0017000.pgu: No connectors reported connected with modes
>>>> [drm] Cannot find any crtc or sizes - going 1024x768
>>>> Console: switching to colour frame buffer device 128x48
>>>> drm-arcpgu e0017000.pgu: fb0: frame buffer device
>>>> [drm] Initialized drm-arcpgu 1.0.0 20151127 on minor 0
>>>> --- boot log snippet ---
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>>>>
>>
>
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