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Commit cb10c81f authored by Thierry Reding's avatar Thierry Reding
Browse files

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: default avatarThierry Reding <treding@nvidia.com>
parent b88f005e

drivers/gpu/drm/tegra/fb.c

+7 −4
Original line number Original line Diff line number Diff line
@@ -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;

	}

	}