Re: [PATCH] drm/i915/bios: Fix ports mask

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On Wed, Jul 21, 2021 at 06:00:23PM -0400, Rodrigo Vivi wrote:
PORT_A to PORT_F are regular integers defined in the enum port,
while for_each_port_masked requires a bit mask for the ports.

Current given mask: 0b111
Desired mask: 0b111111

I noticed this while Christoph was reporting a bug found on headless
GVT configuration which bisect blamed commit 3ae04c0c7e63 ("drm/i915/bios:
limit default outputs to ports A through F")

Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Fixes: 3ae04c0c7e63 ("drm/i915/bios: limit default outputs to ports A through F")
Cc: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxx>

humn.. something wrong with your git setup (maybe you have --suppress-cc
set?). Because people mentioned here were not actually Cc'ed. Adding
them.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>


Reviewed-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>

thanks
Lucas De Marchi


---
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 5b6922e28ef2..8bbeb5978bf7 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -2166,7 +2166,8 @@ 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;
+	int ports = BIT(PORT_A) | BIT(PORT_B) | BIT(PORT_C) | \
+		    BIT(PORT_D) | BIT(PORT_E) | BIT(PORT_F);

	if (!HAS_DDI(i915) && !IS_CHERRYVIEW(i915))
		return;
--
2.31.1

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