On Mon, Nov 12, 2018 at 06:59:55PM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxxxxx>
Reviewed-by: Imre Deak <imre.deak@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_tv.c | 12 +++++++-----
> 1 file changed, 7 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
> index 433f538261c1..32a8786fe0da 100644
> --- a/drivers/gpu/drm/i915/intel_tv.c
> +++ b/drivers/gpu/drm/i915/intel_tv.c
> @@ -1253,16 +1253,18 @@ 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;
> }
>
> --
> 2.18.1
>
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