[Intel-gfx] [PATCH] drm/i915/BXT: Configure DSI after enabling DSI pll

[Jani Nikula]

On Tue, 02 Feb 2016, Ramalingam C <ramalingam.c at intel.com> wrote:
> We need to enable DSI PLL before configuring the DSI registers.
>
> Signed-off-by: Ramalingam C <ramalingam.c at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_dsi.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
> index 91cef35..378f879 100644
> --- a/drivers/gpu/drm/i915/intel_dsi.c
> +++ b/drivers/gpu/drm/i915/intel_dsi.c
> @@ -478,8 +478,8 @@ static void intel_dsi_pre_enable(struct intel_encoder *encoder)
>  
>  	DRM_DEBUG_KMS("\n");
>  
> -	intel_dsi_prepare(encoder);
>  	intel_enable_dsi_pll(encoder);
> +	intel_dsi_prepare(encoder);

I'd really like to have this tested on BYT/CHV DSI to ensure we're not
breaking anything.

BR,
Jani.



>  
>  	/* Panel Enable over CRC PMIC */
>  	if (intel_dsi->gpio_panel)

-- 
Jani Nikula, Intel Open Source Technology Center