drm/radeon/kms: fix panel scaling adjusted mode setup
This should duplicate exactly what the ddx does for both
legacy and avivo.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index fed7b808..c5ddaf5 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -254,6 +254,53 @@
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)
@@ -275,18 +322,8 @@
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)) {