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From: Philipp Zabel <p.zabel@pengutronix.de>
To: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
Cc: cphealy@gmail.com, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 3/6] drm/bridge: tc358767: fix DP0_MISC register set
Date: Tue, 01 Aug 2017 15:11:33 +0200	[thread overview]
Message-ID: <1501593093.3159.42.camel@pengutronix.de> (raw)
In-Reply-To: <20170727124736.3854-4-andrey.gusakov@cogentembedded.com>

On Thu, 2017-07-27 at 15:47 +0300, Andrey Gusakov wrote:
> Remove shift from TU_SIZE_RECOMMENDED define as it used to
> calculate max_tu_symbols.
> 
> Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
> ---
>  drivers/gpu/drm/bridge/tc358767.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
> index e8008e0c2e88..4aee6178d889 100644
> --- a/drivers/gpu/drm/bridge/tc358767.c
> +++ b/drivers/gpu/drm/bridge/tc358767.c
> @@ -97,7 +97,7 @@
>  #define DP0_ACTIVEVAL		0x0650
>  #define DP0_SYNCVAL		0x0654
>  #define DP0_MISC		0x0658
> -#define TU_SIZE_RECOMMENDED		(0x3f << 16) /* LSCLK cycles per TU */
> +#define TU_SIZE_RECOMMENDED		(63) /* LSCLK cycles per TU */
>  #define BPC_6				(0 << 5)
>  #define BPC_8				(1 << 5)
>  
> @@ -716,7 +716,8 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode)
>  	 * Must be less than tu_size.
>  	 */
>  	max_tu_symbol = TU_SIZE_RECOMMENDED - 1;
> -	tc_write(DP0_MISC, (max_tu_symbol << 23) | TU_SIZE_RECOMMENDED | BPC_8);
> +	tc_write(DP0_MISC, (max_tu_symbol << 23) | (TU_SIZE_RECOMMENDED << 16) |
> +			   BPC_8);
>  
>  	return 0;
>  err:

Acked-by: Philipp Zabel <p.zabel@pengutronix.de>

regards
Philipp

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  reply	other threads:[~2017-08-01 13:12 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-27 12:47 [PATCH 0/6] drm/bridge: tc358767: fixes and improvements Andrey Gusakov
2017-07-27 12:47 ` [PATCH 1/6] drm/bridge: tc358767: do no fail on hi-res displays Andrey Gusakov
2017-08-01 13:11   ` Philipp Zabel
2017-07-27 12:47 ` [PATCH 2/6] drm/bridge: tc358767: filter out too high modes Andrey Gusakov
2017-08-01 13:11   ` Philipp Zabel
2017-08-02 17:34     ` Andrey Gusakov
2017-07-27 12:47 ` [PATCH 3/6] drm/bridge: tc358767: fix DP0_MISC register set Andrey Gusakov
2017-08-01 13:11   ` Philipp Zabel [this message]
2017-07-27 12:47 ` [PATCH 4/6] drm/bridge: tc358767: fix timing calculations Andrey Gusakov
2017-08-01 13:12   ` Philipp Zabel
2017-07-27 12:47 ` [PATCH 5/6] drm/bridge: tc358767: fix AUXDATAn registers access Andrey Gusakov
2017-08-01 13:12   ` Philipp Zabel
2017-07-27 12:47 ` [PATCH 6/6] drm/bridge: tc358767: fix 1-lane behavior Andrey Gusakov
2017-08-01 13:13   ` Philipp Zabel
2017-08-01  5:06 ` [PATCH 0/6] drm/bridge: tc358767: fixes and improvements Archit Taneja

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