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path: root/drivers/gpu/drm/radeon/radeon_display.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_display.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_display.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 5764f4d3b4f1..6dd434ad2429 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -1094,6 +1094,18 @@ void radeon_modeset_fini(struct radeon_device *rdev)
radeon_i2c_fini(rdev);
}
+static bool is_hdtv_mode(struct drm_display_mode *mode)
+{
+ /* try and guess if this is a tv or a monitor */
+ if ((mode->vdisplay == 480 && mode->hdisplay == 720) || /* 480p */
+ (mode->vdisplay == 576) || /* 576p */
+ (mode->vdisplay == 720) || /* 720p */
+ (mode->vdisplay == 1080)) /* 1080p */
+ return true;
+ else
+ return false;
+}
+
bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
@@ -1141,7 +1153,8 @@ bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
if (ASIC_IS_AVIVO(rdev) &&
((radeon_encoder->underscan_type == UNDERSCAN_ON) ||
((radeon_encoder->underscan_type == UNDERSCAN_AUTO) &&
- drm_detect_hdmi_monitor(radeon_connector->edid)))) {
+ drm_detect_hdmi_monitor(radeon_connector->edid) &&
+ is_hdtv_mode(mode)))) {
radeon_crtc->h_border = (mode->hdisplay >> 5) + 16;
radeon_crtc->v_border = (mode->vdisplay >> 5) + 16;
radeon_crtc->rmx_type = RMX_FULL;