From bf9e1bdaf125f8a18a8878f8f555ab0338da2fd0 Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Fri, 4 Aug 2023 11:46:00 +0300 Subject: [PATCH] drm/i915: debug log when GMD ID indicates there's no display Debug log similar to the device id based identification of no display. Reviewed-by: Luca Coelho Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/20230804084600.1005818-2-jani.nikula@intel.com --- drivers/gpu/drm/i915/display/intel_display_device.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c index 1ca67b77e6ba..c39f8a15d8aa 100644 --- a/drivers/gpu/drm/i915/display/intel_display_device.c +++ b/drivers/gpu/drm/i915/display/intel_display_device.c @@ -831,9 +831,10 @@ probe_gmdid_display(struct drm_i915_private *i915, u16 *ver, u16 *rel, u16 *step val = ioread32(addr); pci_iounmap(pdev, addr); - if (val == 0) - /* Platform doesn't have display */ + if (val == 0) { + drm_dbg_kms(&i915->drm, "Device doesn't have display\n"); return &no_display; + } *ver = REG_FIELD_GET(GMD_ID_ARCH_MASK, val); *rel = REG_FIELD_GET(GMD_ID_RELEASE_MASK, val); -- 2.25.1