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drm/i915: Use existing DSI backlight ports info

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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.

V2: Remove backlight and cabc variable initialization (Jani N).

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Madhav Chauhan <madhav.chauhan@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1507898700-20016-2-git-send-email-madhav.chauhan@intel.com
This commit is contained in:
Madhav Chauhan 2017-10-13 18:15:00 +05:30 committed by Jani Nikula
parent 46e5832014
commit 6a2f0641d3
2 changed files with 4 additions and 35 deletions
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2
drivers/gpu/drm/i915/intel_bios.c
View File

@ -699,8 +699,6 @@ static void parse_dsi_backlight_ports(struct drm_i915_private *dev_priv,
if (dev_priv->vbt.dsi.config->cabc_supported)
dev_priv->vbt.dsi.cabc_ports = BIT(port);
dev_priv->vbt.dsi.config->dl_dcs_cabc_ports = 0;
dev_priv->vbt.dsi.config->dl_dcs_backlight_ports = 0;
return;
}

37
drivers/gpu/drm/i915/intel_dsi.c
View File

@ -1751,42 +1751,13 @@ 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) {