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 d54ca07658c9..682806ef4d33 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, | |||
| 296 | 296 | ||
| 297 | /* attach this sub driver to iommu mapping if supported. */ | 297 | /* attach this sub driver to iommu mapping if supported. */ |
| 298 | if (is_drm_iommu_supported(ctx->drm_dev)) { | 298 | if (is_drm_iommu_supported(ctx->drm_dev)) { |
| 299 | int ret; | ||
| 300 | |||
| 299 | /* | 301 | /* |
| 300 | * If any channel is already active, iommu will throw | 302 | * If any channel is already active, iommu will throw |
| 301 | * a PAGE FAULT when enabled. So clear any channel if enabled. | 303 | * a PAGE FAULT when enabled. So clear any channel if enabled. |
| 302 | */ | 304 | */ |
| 303 | fimd_clear_channel(ctx->crtc); | 305 | fimd_clear_channel(ctx->crtc); |
| 304 | drm_iommu_attach_device(ctx->drm_dev, ctx->dev); | 306 | ret = drm_iommu_attach_device(ctx->drm_dev, ctx->dev); |
| 307 | if (ret) { | ||
| 308 | DRM_ERROR("drm_iommu_attach failed.\n"); | ||
| 309 | return ret; | ||
| 310 | } | ||
| 311 | |||
| 305 | } | 312 | } |
| 306 | 313 | ||
| 307 | return 0; | 314 | return 0; |
| @@ -1056,6 +1063,7 @@ static int fimd_bind(struct device *dev, struct device *master, void *data) | |||
| 1056 | { | 1063 | { |
| 1057 | struct fimd_context *ctx = dev_get_drvdata(dev); | 1064 | struct fimd_context *ctx = dev_get_drvdata(dev); |
| 1058 | struct drm_device *drm_dev = data; | 1065 | struct drm_device *drm_dev = data; |
| 1066 | int ret; | ||
| 1059 | 1067 | ||
| 1060 | ctx->crtc = exynos_drm_crtc_create(drm_dev, ctx->pipe, | 1068 | ctx->crtc = exynos_drm_crtc_create(drm_dev, ctx->pipe, |
| 1061 | EXYNOS_DISPLAY_TYPE_LCD, | 1069 | EXYNOS_DISPLAY_TYPE_LCD, |
| @@ -1063,7 +1071,12 @@ static int fimd_bind(struct device *dev, struct device *master, void *data) | |||
| 1063 | if (IS_ERR(ctx->crtc)) | 1071 | if (IS_ERR(ctx->crtc)) |
| 1064 | return PTR_ERR(ctx->crtc); | 1072 | return PTR_ERR(ctx->crtc); |
| 1065 | 1073 | ||
| 1066 | fimd_ctx_initialize(ctx, drm_dev); | 1074 | ret = fimd_ctx_initialize(ctx, drm_dev); |
| 1075 | if (ret) { | ||
| 1076 | DRM_ERROR("fimd_ctx_initialize failed.\n"); | ||
| 1077 | return ret; | ||
| 1078 | } | ||
| 1079 | |||
| 1067 | 1080 | ||
| 1068 | if (ctx->display) | 1081 | if (ctx->display) |
| 1069 | exynos_drm_create_enc_conn(drm_dev, ctx->display); | 1082 | exynos_drm_create_enc_conn(drm_dev, ctx->display); |
