[Intel-gfx] [PATCH 2/2] drm/i915/: Use existing DSI backlight ports info

Chauhan, Madhav madhav.chauhan at intel.com
Tue Oct 3 07:20:59 UTC 2017


Please ignore this patch. Error happened while sending patches.

> -----Original Message-----
> From: Chauhan, Madhav
> Sent: Tuesday, October 3, 2017 12:41 PM
> To: intel-gfx at lists.freedesktop.org
> Cc: Nikula, Jani <jani.nikula at intel.com>; Hiremath, Shashidhar
> <shashidhar.hiremath at intel.com>; Shankar, Uma
> <uma.shankar at intel.com>; patches/0001-drm-i915-Parse-DSI-backlight-
> cabc-ports.patch; Chauhan, Madhav <madhav.chauhan at intel.com>
> Subject: [PATCH 2/2] drm/i915/: Use existing DSI backlight ports info
> 
> This patch re-use already parsed DSI backlight/cabc ports info for saving it
> inside struct intel_dsi rather than parsing it at the time of DSI initialization.
> 
> Signed-off-by: Madhav Chauhan <madhav.chauhan at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_dsi.c | 37 ++++---------------------------------
>  1 file changed, 4 insertions(+), 33 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_dsi.c
> b/drivers/gpu/drm/i915/intel_dsi.c
> index 20a7b00..6d21ae8 100644
> --- a/drivers/gpu/drm/i915/intel_dsi.c
> +++ b/drivers/gpu/drm/i915/intel_dsi.c
> @@ -1746,42 +1746,13 @@ void intel_dsi_init(struct drm_i915_private
> *dev_priv)
>  	else
>  		intel_encoder->crtc_mask = BIT(PIPE_B);
> 
> -	if (dev_priv->vbt.dsi.config->dual_link) {
> +	if (dev_priv->vbt.dsi.config->dual_link)
>  		intel_dsi->ports = BIT(PORT_A) | BIT(PORT_C);
> -
> -		switch (dev_priv->vbt.dsi.config->dl_dcs_backlight_ports) {
> -		case DL_DCS_PORT_A:
> -			intel_dsi->dcs_backlight_ports = BIT(PORT_A);
> -			break;
> -		case DL_DCS_PORT_C:
> -			intel_dsi->dcs_backlight_ports = BIT(PORT_C);
> -			break;
> -		default:
> -		case DL_DCS_PORT_A_AND_C:
> -			intel_dsi->dcs_backlight_ports = BIT(PORT_A) |
> BIT(PORT_C);
> -			break;
> -		}
> -
> -		switch (dev_priv->vbt.dsi.config->dl_dcs_cabc_ports) {
> -		case DL_DCS_PORT_A:
> -			intel_dsi->dcs_cabc_ports = BIT(PORT_A);
> -			break;
> -		case DL_DCS_PORT_C:
> -			intel_dsi->dcs_cabc_ports = BIT(PORT_C);
> -			break;
> -		default:
> -		case DL_DCS_PORT_A_AND_C:
> -			intel_dsi->dcs_cabc_ports = BIT(PORT_A) |
> BIT(PORT_C);
> -			break;
> -		}
> -	} else {
> +	else
>  		intel_dsi->ports = BIT(port);
> -		intel_dsi->dcs_backlight_ports = BIT(port);
> -		intel_dsi->dcs_cabc_ports = BIT(port);
> -	}
> 
> -	if (!dev_priv->vbt.dsi.config->cabc_supported)
> -		intel_dsi->dcs_cabc_ports = 0;
> +	intel_dsi->dcs_backlight_ports = dev_priv->vbt.dsi.bl_ports;
> +	intel_dsi->dcs_cabc_ports = dev_priv->vbt.dsi.cabc_ports;
> 
>  	/* Create a DSI host (and a device) for each port. */
>  	for_each_dsi_port(port, intel_dsi->ports) {
> --
> 2.7.4



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