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drm/tegra: fb: Add error codes to error messages 

This helps in determining what errors happened at specifics points in
the initialization sequence.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2014-11-06 14:36:19 +01:00
parent b88f005ea3
commit cb10c81fdf
1 changed files with 7 additions and 4 deletions
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11
drivers/gpu/drm/tegra/fb.c
View File

@ -233,8 +233,9 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper,
fbdev->fb = tegra_fb_alloc(drm, &cmd, &bo, 1); fbdev->fb = tegra_fb_alloc(drm, &cmd, &bo, 1);
if (IS_ERR(fbdev->fb)) { if (IS_ERR(fbdev->fb)) {
dev_err(drm->dev, "failed to allocate DRM framebuffer\n");
err = PTR_ERR(fbdev->fb); err = PTR_ERR(fbdev->fb);
dev_err(drm->dev, "failed to allocate DRM framebuffer: %d\n",
err);
drm_gem_object_unreference_unlocked(&bo->gem); drm_gem_object_unreference_unlocked(&bo->gem);
goto release; goto release;
} }
@ -319,19 +320,21 @@ static int tegra_fbdev_init(struct tegra_fbdev *fbdev,
err = drm_fb_helper_init(drm, &fbdev->base, num_crtc, max_connectors); err = drm_fb_helper_init(drm, &fbdev->base, num_crtc, max_connectors);
if (err < 0) { if (err < 0) {
dev_err(drm->dev, "failed to initialize DRM FB helper\n"); dev_err(drm->dev, "failed to initialize DRM FB helper: %d\n",
err);
return err; return err;
} }
err = drm_fb_helper_single_add_all_connectors(&fbdev->base); err = drm_fb_helper_single_add_all_connectors(&fbdev->base);
if (err < 0) { if (err < 0) {
dev_err(drm->dev, "failed to add connectors\n"); dev_err(drm->dev, "failed to add connectors: %d\n", err);
goto fini; goto fini;
} }
err = drm_fb_helper_initial_config(&fbdev->base, preferred_bpp); err = drm_fb_helper_initial_config(&fbdev->base, preferred_bpp);
if (err < 0) { if (err < 0) {
dev_err(drm->dev, "failed to set initial configuration\n"); dev_err(drm->dev, "failed to set initial configuration: %d\n",
err);
goto fini; goto fini;
} }