Re: [PATCH 06/18] drm: Add color correction blobs in CRTC state

["Sharma, Shashank" <shashank.sharma@intel.com>]

Regards
Shashank

On 8/22/2015 4:10 AM, Matt Roper wrote:
> On Thu, Aug 06, 2015 at 10:08:15PM +0530, Shashank Sharma wrote:
>> From: Kausal Malladi <kausalmalladi@gmail.com>
>>
>> This patch adds new variables in CRTC state, to hold respective color
>> correction blobs. These blobs will be required during the atomic commit
>> for writing the color correction values in correction registers.
>>
>> Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
>> Signed-off-by: Kausal Malladi <kausalmalladi@gmail.com>
>
> Since these are part of the state now, I believe you also need to add a
> drm_property_reference_blob() call in
> __drm_atomic_helper_crtc_duplicate_state and a
> drm_property_unreference_blob() call in
> __drm_atomic_helper_crtc_destroy_state so that we properly
> increment/decrement the reference count as the state gets
> duplicated/destroyed.  I don't see that later in the series, so this
> might be the best patch to add it to.
>
>
> Matt
Oops, agree. Will add this.
>
>> ---
>>   include/drm/drm_crtc.h | 5 +++++
>>   1 file changed, 5 insertions(+)
>>
>> diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
>> index 3c59045..504539a 100644
>> --- a/include/drm/drm_crtc.h
>> +++ b/include/drm/drm_crtc.h
>> @@ -304,6 +304,11 @@ struct drm_crtc_state {
>>   	/* blob property to expose current mode to atomic userspace */
>>   	struct drm_property_blob *mode_blob;
>>
>> +	/* blob properties to hold the color properties' blobs */
>> +	struct drm_property_blob *palette_before_ctm_blob;
>> +	struct drm_property_blob *palette_after_ctm_blob;
>> +	struct drm_property_blob *ctm_blob;
>> +
>>   	struct drm_pending_vblank_event *event;
>>
>>   	struct drm_atomic_state *state;
>> --
>> 1.9.1
>>
>
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