drm/exynos: added mode_fixup feature and code clean.

this patch adds mode_fixup feature for hdmi module that
specific driver changes current mode to driver desired mode
properly.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index ed8a319ed84b..ed86bddf81da 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -155,6 +155,20 @@ static void drm_hdmi_disable_vblank(struct device *subdrv_dev)
                 return hdmi_overlay_ops->disable_vblank(ctx->mixer_ctx->ctx);
 }
 
+static void drm_hdmi_mode_fixup(struct device *subdrv_dev,
+                                struct drm_connector *connector,
+                                struct drm_display_mode *mode,
+                                struct drm_display_mode *adjusted_mode)
+{
+        struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+
+        DRM_DEBUG_KMS("%s\n", __FILE__);
+
+        if (hdmi_manager_ops && hdmi_manager_ops->mode_fixup)
+                hdmi_manager_ops->mode_fixup(ctx->hdmi_ctx->ctx, connector,
+                                                mode, adjusted_mode);
+}
+
 static void drm_hdmi_mode_set(struct device *subdrv_dev, void *mode)
 {
         struct drm_hdmi_context *ctx = to_context(subdrv_dev);
@@ -165,6 +179,18 @@ static void drm_hdmi_mode_set(struct device *subdrv_dev, void *mode)
                 hdmi_manager_ops->mode_set(ctx->hdmi_ctx->ctx, mode);
 }
 
+static void drm_hdmi_get_max_resol(struct device *subdrv_dev,
+                                unsigned int *width, unsigned int *height)
+{
+        struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+
+        DRM_DEBUG_KMS("%s\n", __FILE__);
+
+        if (hdmi_manager_ops && hdmi_manager_ops->get_max_resol)
+                hdmi_manager_ops->get_max_resol(ctx->hdmi_ctx->ctx, width,
+                                                        height);
+}
+
 static void drm_hdmi_commit(struct device *subdrv_dev)
 {
         struct drm_hdmi_context *ctx = to_context(subdrv_dev);
@@ -200,7 +226,9 @@ static struct exynos_drm_manager_ops drm_hdmi_manager_ops = {
         .dpms = drm_hdmi_dpms,
         .enable_vblank = drm_hdmi_enable_vblank,
         .disable_vblank = drm_hdmi_disable_vblank,
+        .mode_fixup = drm_hdmi_mode_fixup,
         .mode_set = drm_hdmi_mode_set,
+        .get_max_resol = drm_hdmi_get_max_resol,
         .commit = drm_hdmi_commit,
 };