diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fimd.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fimd.c | 34 |
1 files changed, 8 insertions, 26 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 1e3bb72184d2..794e56c8798e 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -298,8 +298,9 @@ static void fimd_enable_shadow_channel_path(struct fimd_context *ctx, writel(val, ctx->regs + SHADOWCON); } -static void fimd_clear_channel(struct fimd_context *ctx) +static void fimd_clear_channels(struct exynos_drm_crtc *crtc) { + struct fimd_context *ctx = crtc->ctx; unsigned int win, ch_enabled = 0; DRM_DEBUG_KMS("%s\n", __FILE__); @@ -347,30 +348,6 @@ static void fimd_clear_channel(struct fimd_context *ctx) pm_runtime_put(ctx->dev); } -static int fimd_iommu_attach_devices(struct fimd_context *ctx, - struct drm_device *drm_dev) -{ - - /* 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); - ret = drm_iommu_attach_device(ctx->drm_dev, ctx->dev); - if (ret) { - DRM_ERROR("drm_iommu_attach failed.\n"); - return ret; - } - - } - - return 0; -} - static void fimd_iommu_detach_devices(struct fimd_context *ctx) { /* detach this sub driver from iommu mapping if supported. */ @@ -917,6 +894,7 @@ static const struct exynos_drm_crtc_ops fimd_crtc_ops = { .win_disable = fimd_win_disable, .te_handler = fimd_te_handler, .clock_enable = fimd_dp_clock_enable, + .clear_channels = fimd_clear_channels, }; static irqreturn_t fimd_irq_handler(int irq, void *dev_id) @@ -986,7 +964,11 @@ static int fimd_bind(struct device *dev, struct device *master, void *data) if (ctx->display) exynos_drm_create_enc_conn(drm_dev, ctx->display); - return fimd_iommu_attach_devices(ctx, drm_dev); + ret = drm_iommu_attach_device_if_possible(ctx->crtc, drm_dev, dev); + if (ret) + priv->pipe--; + + return ret; } static void fimd_unbind(struct device *dev, struct device *master, |