RE: [PATCH v2 1/2] OMAP: DSS2: Introduce dss_features files

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Tomi Valkeinen wrote:
> On Thu, 2010-09-09 at 12:53 +0200, ext Taneja, Archit wrote:
>> Hi,
>> 
>> Tomi Valkeinen wrote:
>>> Hi,
>>> 
>>> On Wed, 2010-09-08 at 13:17 +0200, ext Archit Taneja wrote:
>>>> Add dss_features.c and dss_features.h for the dss_features framework
>>>> 
>>>> Signed-off-by: Archit Taneja <archit@xxxxxx>
>>>> ---
>>>>  drivers/video/omap2/dss/dss_features.c |  171
>>> ++++++++++++++++++++++++++++++++
>>>>  drivers/video/omap2/dss/dss_features.h |   51 ++++++++++
>>>>  2 files changed, 222 insertions(+), 0 deletions(-)  create mode
>>>> 100644 drivers/video/omap2/dss/dss_features.c
>>>>  create mode 100644 drivers/video/omap2/dss/dss_features.h
>>>> 
>>>> diff --git a/drivers/video/omap2/dss/dss_features.c
>>>> b/drivers/video/omap2/dss/dss_features.c
>>>> new file mode 100644
>>>> index 0000000..e87816f
>>>> --- /dev/null
>>>> +++ b/drivers/video/omap2/dss/dss_features.c
>>>> @@ -0,0 +1,171 @@
>>>> +/*
>>>> + * linux/drivers/video/omap2/dss/dss_features.c
>>>> + *
>>>> + * Copyright (C) 2010 Texas Instruments
>>>> + * Author: Archit Taneja <archit@xxxxxx>
>>>> + *
>>>> + * This program is free software; you can redistribute it and/or ++modify
>>>> it + * under the terms of the GNU General Public License version 2 as
>>>> +published by + * the Free Software Foundation.
>>>> + *
>>>> + * This program is distributed in the hope that it will be useful, ++but
>>>> WITHOUT + * ANY WARRANTY; without even the implied warranty of
>>>> MERCHANTABILITY +or + * FITNESS FOR A PARTICULAR PURPOSE.  See the
>>>> GNU General Public +License for + * more details.
>>>> + *
>>>> + * You should have received a copy of the GNU General Public + License
>>>> +along with + * this program.  If not, see
> <http://www.gnu.org/licenses/>.
>>>> + */
>>>> +
>>>> +#include <linux/kernel.h>
>>>> +#include <linux/types.h>
>>>> +#include <linux/err.h>
>>>> +#include <linux/slab.h>
>>>> +
>>>> +#include <plat/display.h>
>>>> +#include <plat/cpu.h>
>>>> +
>>>> +#include "dss_features.h"
>>>> +
>>>> +/* Defines a generic omap register field */ struct dss_reg_field { +	enum
>>>> dss_feat_reg_field id; +	u8 start, end;
>>>> +};
>>>> +
>>>> +struct omap_dss_features {
>>>> +	struct dss_reg_field reg_fields[MAX_DSS_REG_FIELDS];
>>> 
>>> Perhaps this should be a pointer to a list, and add a separate field
>>> for num_reg_fields. That way you don't need a MAX_DSS_REG_FIELDS
>>> definition.
>> 
>> If it is a pointer to a list then we can't initialize things
>> statically, won't we need functions at runtime to add to the list of
>> reg_fields etc, this is what I did in v1?
> 
> Something like:
> 
> static struct dss_reg_field omap2_dss_reg_fields[] = {       {FIRHINC, 11, 0},
>       {FIRVINC, 27, 16},
>       {FIFOLOWTHRESHOLD, 8, 0},
>       {FIFOHIGHTHRESHOLD, 24, 16},
>       {FIFOSIZE, 8, 0},
> };
> 
> static struct omap_dss_features omap2_dss_features = {
>        .num_reg_fields = ARRAY_SIZE(omap2_dss_reg_fields),
>        .reg_fields = omap2_dss_reg_fields,
> 
> ...

Oh okay..I will make this change..what do we do about dss_feature_functions?
Should I rework dss_init_overlays and dss_init_overlay_managers to loop based
on the enums ion display.h?

Archit--
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