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drm/i915/lvds: Pass fixed_mode to compute_is_dual_link_lvds()

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We want to eventually get rid of the connector->panel.fixed_mode
pointer so avoid using it during LVDS setup. Since this all
happens during the encoder init we already have the fixed_mode
around, just pass that in.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220311172428.14685-4-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä
2022-03-11 19:24:15 +02:00
parent 54b6af6909
commit 457e992b35
1 changed files with 4 additions and 3 deletions
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7
drivers/gpu/drm/i915/display/intel_lvds.c
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@@ -784,7 +784,8 @@ bool intel_is_dual_link_lvds(struct drm_i915_private *dev_priv)
return encoder && to_lvds_encoder(&encoder->base)->is_dual_link;
}
static bool compute_is_dual_link_lvds(struct intel_lvds_encoder *lvds_encoder)
static bool compute_is_dual_link_lvds(struct intel_lvds_encoder *lvds_encoder,
const struct drm_display_mode *fixed_mode)
{
struct drm_device *dev = lvds_encoder->base.base.dev;
unsigned int val;
@@ -795,7 +796,7 @@ static bool compute_is_dual_link_lvds(struct intel_lvds_encoder *lvds_encoder)
return dev_priv->params.lvds_channel_mode == 2;
/* single channel LVDS is limited to 112 MHz */
if (lvds_encoder->attached_connector->panel.fixed_mode->clock > 112999)
if (fixed_mode->clock > 112999)
return true;
if (dmi_check_system(intel_dual_link_lvds))
@@ -1004,7 +1005,7 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
intel_panel_init(&intel_connector->panel, fixed_mode, downclock_mode);
intel_backlight_setup(intel_connector, INVALID_PIPE);
lvds_encoder->is_dual_link = compute_is_dual_link_lvds(lvds_encoder);
lvds_encoder->is_dual_link = compute_is_dual_link_lvds(lvds_encoder, fixed_mode);
drm_dbg_kms(&dev_priv->drm, "detected %s-link lvds configuration\n",
lvds_encoder->is_dual_link ? "dual" : "single");