[Intel-gfx] [PATCH 04/12] drm/i915/bios: limit default outputs to ports A through F

Lucas De Marchi lucas.demarchi at intel.com
Wed Feb 17 17:23:00 UTC 2021


On Wed, Feb 17, 2021 at 07:03:34PM +0200, Jani Nikula wrote:
>With the defaults limited to non-TypeC ports in commit 828ccb31cf41
>("drm/i915/icl: Add TypeC ports only if VBT is present"), this should be
>a no-op, but clarifies the code and prepares for subsequent changes.
>
>Cc: Lucas De Marchi <lucas.demarchi at intel.com>
>Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
>Signed-off-by: Jani Nikula <jani.nikula at intel.com>
>---
> drivers/gpu/drm/i915/display/intel_bios.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
>index e9cb15aa2f5a..b9d99324d66d 100644
>--- a/drivers/gpu/drm/i915/display/intel_bios.c
>+++ b/drivers/gpu/drm/i915/display/intel_bios.c
>@@ -2057,11 +2057,12 @@ static void
> init_vbt_missing_defaults(struct drm_i915_private *i915)
> {
> 	enum port port;
>+	int ports = PORT_A | PORT_B | PORT_C | PORT_D | PORT_E | PORT_F;


I'd not spread the knowledge of what port uses tc phy like this.
It's painful to maintain.

Lucas De Marchi

>
> 	if (!HAS_DDI(i915) && !IS_CHERRYVIEW(i915))
> 		return;
>
>-	for_each_port(port) {
>+	for_each_port_masked(port, ports) {
> 		struct ddi_vbt_port_info *info =
> 			&i915->vbt.ddi_port_info[port];
> 		enum phy phy = intel_port_to_phy(i915, port);
>-- 
>2.20.1
>


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