From: Alex Deucher <alexander.deucher@xxxxxxx> 3.12-stable review patch. If anyone has any objections, please let me know. =============== commit 77ae5f4b48a0445426c9c1ef7c0f28b717e35d55 upstream. Need to double the viewport height. Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Jiri Slaby <jslaby@xxxxxxx> --- drivers/gpu/drm/radeon/atombios_crtc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index ba8742ab85ee..65344d65ff91 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1278,6 +1278,9 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, (x << 16) | y); viewport_w = crtc->mode.hdisplay; viewport_h = (crtc->mode.vdisplay + 1) & ~1; + if ((rdev->family >= CHIP_BONAIRE) && + (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)) + viewport_h *= 2; WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset, (viewport_w << 16) | viewport_h); -- 2.3.4 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html