From 4f36afb26cbeab7658b80350127b54667d31d618 Mon Sep 17 00:00:00 2001
From: Imre Deak <imre.deak@intel.com>
Date: Fri, 28 Jun 2019 17:36:27 +0300
Subject: drm/i915: Sanitize the TypeC FIA lane configuration decoding
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Git-commit: 4f36afb26cbeab7658b80350127b54667d31d618
Patch-mainline: v5.4-rc1
References: bsc#1152489
Use hex numbers, since that makes more sense when decoding a bit pattern.
No functional change.
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Animesh Manna <animesh.manna@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-16-imre.deak@intel.com
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/i915/display/intel_tc.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
index 18a599a71bd3..58a228ba7696 100644
--- a/drivers/gpu/drm/i915/display/intel_tc.c
+++ b/drivers/gpu/drm/i915/display/intel_tc.c
@@ -52,15 +52,16 @@ int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port)
switch (lane_mask) {
default:
MISSING_CASE(lane_mask);
- case 1:
- case 2:
- case 4:
- case 8:
+ /* fall-through */
+ case 0x1:
+ case 0x2:
+ case 0x4:
+ case 0x8:
return 1;
- case 3:
- case 12:
+ case 0x3:
+ case 0xc:
return 2;
- case 15:
+ case 0xf:
return 4;
}
}
--
2.28.0