linux-kernel - Re: [PATCH v3 3/4] drm/msm/mdp5: Add START signal to kick off certain pipelines

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 23 Mar 2015 16:20:46 +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 v3 3/4] drm/msm/mdp5: Add START signal to kick off certain
 pipelines

Hi Stephane,

On 03/14/2015 01:19 AM, Stephane Viau wrote:
> Some interfaces (WB, DSI Command Mode) need to be kicked off
> through a START Signal. This signal needs to be sent at the right
> time and requests in some cases to keep track of the pipeline
> status (eg: whether pipeline registers are flushed AND output WB
> buffers are ready, in case of WB interface).
>
> Signed-off-by: Stephane Viau <sviau@...eaurora.org>
> ---
>   drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c     |   2 +
>   drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.h     |   7 +-
>   drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c    |  31 ++--
>   drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.c     | 247 ++++++++++++++++++++++++----
>   drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h     |  72 +++-----
>   drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c |  13 +-
>   drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h     |   1 +
>   7 files changed, 276 insertions(+), 97 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c
> index c078f30..72c075a 100644
> --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c
> +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c
> @@ -31,6 +31,7 @@ const struct mdp5_cfg_hw msm8x74_config = {
>   	.ctl = {
>   		.count = 5,
>   		.base = { 0x00600, 0x00700, 0x00800, 0x00900, 0x00a00 },
> +		.flush_hw_mask = 0x0003ffff,
>   	},
>   	.pipe_vig = {
>   		.count = 3,
> @@ -78,6 +79,7 @@ const struct mdp5_cfg_hw apq8084_config = {
>   	.ctl = {
>   		.count = 5,
>   		.base = { 0x00600, 0x00700, 0x00800, 0x00900, 0x00a00 },
> +		.flush_hw_mask = 0x003fffff,

msm8x16 would require a flush_hw_mask too, it should be 0x32a59 if I'm 
not wrong. Could you please add it for the next revision, or as a part 
of the 8x16 hw cfg patch?

Thanks,
Archit

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/