[PATCH 18/42] drm/omap: remove crtc->mgr field

Tomi Valkeinen tomi.valkeinen at ti.com
Mon Mar 7 09:19:45 UTC 2016


On 07/03/16 10:52, Laurent Pinchart wrote:
> Hi Tomi,
> 
> Thank you for the patch.
> 
> On Monday 22 February 2016 19:10:24 Tomi Valkeinen wrote:
>> In order to remove uses of 'struct omap_overlay_manager' from omapdrm,
>> this patch removes the crtc->mgr field.
>>
>> To accomplish that, a new static array is added along the current
>> 'omap_crtcs' static array, which is used to store the output device
>> connected to a crtc.
>>
>> Optimally we'd use the struct omap_crtc to store this information, but
>> at the time when omap_crtc_dss_connect() is called, we don't yet have
>> the omap_crtc instances. This might possibly be fixed later, but for now
>> the static array does the job.
>>
>> Signed-off-by: Tomi Valkeinen <tomi.valkeinen at ti.com>
>> ---
>>  drivers/gpu/drm/omapdrm/omap_crtc.c | 20 +++++++-------------
>>  1 file changed, 7 insertions(+), 13 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c
>> b/drivers/gpu/drm/omapdrm/omap_crtc.c index b1ed18bf1b1b..104e70a91fd8
>> 100644
>> --- a/drivers/gpu/drm/omapdrm/omap_crtc.c
>> +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c
>> @@ -34,14 +34,6 @@ struct omap_crtc {
>>  	const char *name;
>>  	enum omap_channel channel;
>>
>> -	/*
>> -	 * Temporary: eventually this will go away, but it is needed
>> -	 * for now to keep the output's happy.  (They only need
>> -	 * mgr->id.)  Eventually this will be replaced w/ something
>> -	 * more common-panel-framework-y
>> -	 */
>> -	struct omap_overlay_manager *mgr;
>> -
>>  	struct omap_video_timings timings;
>>
>>  	struct omap_drm_irq vblank_irq;
>> @@ -100,17 +92,20 @@ int omap_crtc_wait_pending(struct drm_crtc *crtc)
>>
>>  /* ovl-mgr-id -> crtc */
>>  static struct omap_crtc *omap_crtcs[8];
>> +static struct omap_dss_device *omap_crtc_output[8];
> 
> We should really move away from global structures, not adding more of them :-/ 
> Could you add this to your (or my) todo list ?

Agreed.

This restructuring series was becoming quite large and confusing
already, and I didn't see an obvious solution to this problem. So, as we
already had the omap_crtcs[], I went the easy way.

 Tomi

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