[Intel-gfx] [PATCH] drm/i915: Print return value on error

Nirmoy Das nirmoy.das at intel.com
Fri Oct 14 15:25:25 UTC 2022


Print returned error code for better debuggability.

References: https://gitlab.freedesktop.org/drm/intel/-/issues/7211
Signed-off-by: Nirmoy Das <nirmoy.das at intel.com>
---
 drivers/gpu/drm/i915/display/intel_fbdev.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c
index 112aa0447a0d..015a854d9bec 100644
--- a/drivers/gpu/drm/i915/display/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/display/intel_fbdev.c
@@ -175,7 +175,7 @@ static int intelfb_alloc(struct drm_fb_helper *helper,
 	}
 
 	if (IS_ERR(obj)) {
-		drm_err(&dev_priv->drm, "failed to allocate framebuffer\n");
+		drm_err(&dev_priv->drm, "failed to allocate framebuffer(err = %pe)\n", obj);
 		return PTR_ERR(obj);
 	}
 
@@ -256,7 +256,7 @@ static int intelfb_create(struct drm_fb_helper *helper,
 
 	info = drm_fb_helper_alloc_fbi(helper);
 	if (IS_ERR(info)) {
-		drm_err(&dev_priv->drm, "Failed to allocate fb_info\n");
+		drm_err(&dev_priv->drm, "Failed to allocate fb_info(err = %pe)\n", info);
 		ret = PTR_ERR(info);
 		goto out_unpin;
 	}
@@ -291,7 +291,7 @@ static int intelfb_create(struct drm_fb_helper *helper,
 	vaddr = i915_vma_pin_iomap(vma);
 	if (IS_ERR(vaddr)) {
 		drm_err(&dev_priv->drm,
-			"Failed to remap framebuffer into virtual memory\n");
+			"Failed to remap framebuffer into virtual memory (err = %pe)\n", vaddr);
 		ret = PTR_ERR(vaddr);
 		goto out_unpin;
 	}
-- 
2.37.3



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