1 files changed, 50 insertions, 13 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index b5dff14ea8c..1ebb100015b 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -254,6 +254,53 @@ radeon_get_atom_connector_priv_from_encoder(struct drm_encoder *encoder)
         return dig_connector;
 }
 
+void radeon_panel_mode_fixup(struct drm_encoder *encoder,
+                             struct drm_display_mode *adjusted_mode)
+{
+        struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+        struct drm_device *dev = encoder->dev;
+        struct radeon_device *rdev = dev->dev_private;
+        struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
+        unsigned hblank = native_mode->htotal - native_mode->hdisplay;
+        unsigned vblank = native_mode->vtotal - native_mode->vdisplay;
+        unsigned hover = native_mode->hsync_start - native_mode->hdisplay;
+        unsigned vover = native_mode->vsync_start - native_mode->vdisplay;
+        unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start;
+        unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start;
+
+        adjusted_mode->clock = native_mode->clock;
+        adjusted_mode->flags = native_mode->flags;
+
+        if (ASIC_IS_AVIVO(rdev)) {
+                adjusted_mode->hdisplay = native_mode->hdisplay;
+                adjusted_mode->vdisplay = native_mode->vdisplay;
+        }
+
+        adjusted_mode->htotal = native_mode->hdisplay + hblank;
+        adjusted_mode->hsync_start = native_mode->hdisplay + hover;
+        adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width;
+
+        adjusted_mode->vtotal = native_mode->vdisplay + vblank;
+        adjusted_mode->vsync_start = native_mode->vdisplay + vover;
+        adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width;
+
+        drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
+
+        if (ASIC_IS_AVIVO(rdev)) {
+                adjusted_mode->crtc_hdisplay = native_mode->hdisplay;
+                adjusted_mode->crtc_vdisplay = native_mode->vdisplay;
+        }
+
+        adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank;
+        adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover;
+        adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width;
+
+        adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank;
+        adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover;
+        adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width;
+
+}
+
 static bool radeon_atom_mode_fixup(struct drm_encoder *encoder,
                                    struct drm_display_mode *mode,
                                    struct drm_display_mode *adjusted_mode)
@@ -272,18 +319,8 @@ static bool radeon_atom_mode_fixup(struct drm_encoder *encoder,
                 adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + 2;
 
         /* get the native mode for LVDS */
-        if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) {
-                struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
-                int mode_id = adjusted_mode->base.id;
-                *adjusted_mode = *native_mode;
-                if (!ASIC_IS_AVIVO(rdev)) {
-                        adjusted_mode->hdisplay = mode->hdisplay;
-                        adjusted_mode->vdisplay = mode->vdisplay;
-                        adjusted_mode->crtc_hdisplay = mode->hdisplay;
-                        adjusted_mode->crtc_vdisplay = mode->vdisplay;
-                }
-                adjusted_mode->base.id = mode_id;
-        }
+        if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT))
+                radeon_panel_mode_fixup(encoder, adjusted_mode);
 
         /* get the native mode for TV */
         if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) {
@@ -1321,7 +1358,7 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
 
         radeon_encoder->pixel_clock = adjusted_mode->clock;
 
-        if (ASIC_IS_AVIVO(rdev)) {
+        if (ASIC_IS_AVIVO(rdev) && !ASIC_IS_DCE4(rdev)) {
                 if (radeon_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT | ATOM_DEVICE_TV_SUPPORT))
                         atombios_yuv_setup(encoder, true);
                 else