diff options
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fimd.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index d54ca07..682806e 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -296,12 +296,19 @@ static int fimd_ctx_initialize(struct fimd_context *ctx, /* attach this sub driver to iommu mapping if supported. */ if (is_drm_iommu_supported(ctx->drm_dev)) { + int ret; + /* * If any channel is already active, iommu will throw * a PAGE FAULT when enabled. So clear any channel if enabled. */ fimd_clear_channel(ctx->crtc); - drm_iommu_attach_device(ctx->drm_dev, ctx->dev); + ret = drm_iommu_attach_device(ctx->drm_dev, ctx->dev); + if (ret) { + DRM_ERROR("drm_iommu_attach failed.\n"); + return ret; + } + } return 0; @@ -1056,6 +1063,7 @@ static int fimd_bind(struct device *dev, struct device *master, void *data) { struct fimd_context *ctx = dev_get_drvdata(dev); struct drm_device *drm_dev = data; + int ret; ctx->crtc = exynos_drm_crtc_create(drm_dev, ctx->pipe, EXYNOS_DISPLAY_TYPE_LCD, @@ -1063,7 +1071,12 @@ static int fimd_bind(struct device *dev, struct device *master, void *data) if (IS_ERR(ctx->crtc)) return PTR_ERR(ctx->crtc); - fimd_ctx_initialize(ctx, drm_dev); + ret = fimd_ctx_initialize(ctx, drm_dev); + if (ret) { + DRM_ERROR("fimd_ctx_initialize failed.\n"); + return ret; + } + if (ctx->display) exynos_drm_create_enc_conn(drm_dev, ctx->display); |
