linux-kernel - Re: [PATCH 2/4] drm/msm/mdp5: Enhance operation mode for pipeline configuration

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Date:	Wed, 04 Mar 2015 11:52:54 +0530
From:	Archit Taneja <architt@...eaurora.org>
To:	Stephane Viau <sviau@...eaurora.org>,
	dri-devel@...ts.freedesktop.org
CC:	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	robdclark@...il.com
Subject: Re: [PATCH 2/4] drm/msm/mdp5: Enhance operation mode for pipeline
 configuration

Hi,

On 03/04/2015 12:06 AM, Stephane Viau wrote:
> DSI and WB interfaces need a more complex pipeline configuration
> than the current mdp5_ctl_set_intf().
>
> For example, memory output connections need to be selected for
> WB. Interface mode (Video vs. Command modes) also need to be
> configured for DSI.
>
> This change takes care of configuring the whole pipeline as far
> as operation mode goes. DSI and WB interfaces will be added
> later.
>
> Signed-off-by: Stephane Viau <sviau@...eaurora.org>
> ---
>   drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.h     |  2 +
>   drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c    | 39 ++-----------
>   drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.c     | 91 +++++++++++++++++++++++++----
>   drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h     |  3 +-
>   drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c | 29 +++++----
>   drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c     | 16 ++++-
>   drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h     | 48 ++++++++++++---
>   7 files changed, 157 insertions(+), 71 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.h b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.h
> index dba4d52..be587b8 100644
> --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.h
> +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.h
> @@ -31,6 +31,8 @@ extern const struct mdp5_cfg_hw *mdp5_cfg;
>
>   typedef DECLARE_BITMAP(mdp5_smp_state_t, MAX_SMP_BLOCKS);
>
> +#define MDP5_INTF_IS_VIRTUAL_DISPLAY(intf_type)   ((intf_type) >= INTF_VIRTUAL)
> +

Minor comment and probably matter of taste. Having the above as 
mdp5_intf_is_virtual() would seem better in the code.

<snip>

Thanks,
Archit
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