[Intel-gfx] [PATCH 2/2] drm/i915: debug log when GMD ID indicates there's no display

Jani Nikula jani.nikula at intel.com
Fri Aug 4 08:46:00 UTC 2023


Debug log similar to the device id based identification of no display.

Signed-off-by: Jani Nikula <jani.nikula at 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 3d6a262e037f..e4837f6fc01f 100644
--- a/drivers/gpu/drm/i915/display/intel_display_device.c
+++ b/drivers/gpu/drm/i915/display/intel_display_device.c
@@ -822,9 +822,10 @@ 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);
-- 
2.39.2



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