Re: [PATCH resend 13/15] drm/i915/dsi: Execute MIPI_SEQ_TEAR_OFF from intel_dsi_post_disable

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On Mon, 20 Feb 2017 15:08:43 +0100
Hans de Goede <hdegoede@xxxxxxxxxx> wrote:

> For v3 VBTs we should call MIPI_SEQ_TEAR_OFF before
> MIPI_SEQ_DISPLAY_OFF, for non v3 VBTs this is a nop.

Isn't this only for command mode?  Or is there conflicting information
on this?

> 
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/intel_dsi.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
> index 1914311..90263d6 100644
> --- a/drivers/gpu/drm/i915/intel_dsi.c
> +++ b/drivers/gpu/drm/i915/intel_dsi.c
> @@ -772,6 +772,7 @@ static void intel_dsi_post_disable(struct intel_encoder *encoder,
>  	 * XXX spec specifies SHUTDOWN before MIPI_SEQ_DISPLAY_OFF for
>  	 * v3 VBTs, but not for v2 VBTs?
>  	 */
> +	intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_TEAR_OFF);
>  	intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_DISPLAY_OFF);
>  
>  	/* Transition to LP-00 */



-- 
--
Bob Paauwe                  
Bob.J.Paauwe@xxxxxxxxx
IOTG / PED Software Organization
Intel Corp.  Folsom, CA
(916) 356-6193    

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