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drm/i915/tv: Make TV mode autoselection actually useable 

The current code insists on picking a new TV mode when
switching between component and non-component cables.
That's super annoying. Let's just keep the current TV
mode unless the new cable type actually disagrees with it.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181112170000.27531-12-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
This commit is contained in:
Ville Syrjälä 2018-11-12 18:59:55 +02:00
parent 5023520fd3
commit e94390aada
1 changed files with 7 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpu/drm/i915/intel_tv.c
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@ -1252,16 +1252,18 @@ static void intel_tv_find_better_format(struct drm_connector *connector)
const struct tv_mode *tv_mode = intel_tv_mode_find(connector->state);
int i;
if ((intel_tv->type == DRM_MODE_CONNECTOR_Component) ==
tv_mode->component_only)
/* Component supports everything so we can keep the current mode */
if (intel_tv->type == DRM_MODE_CONNECTOR_Component)
return;
/* If the current mode is fine don't change it */
if (!tv_mode->component_only)
return;
for (i = 0; i < ARRAY_SIZE(tv_modes); i++) {
tv_mode = tv_modes + i;
tv_mode = &tv_modes[i];
if ((intel_tv->type == DRM_MODE_CONNECTOR_Component) ==
tv_mode->component_only)
if (!tv_mode->component_only)
break;
}