diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2015-03-03 17:00:43 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-03-03 17:28:31 -0500 |
| commit | 77ae5f4b48a0445426c9c1ef7c0f28b717e35d55 (patch) | |
| tree | cc426d61623f4243e8834a8c815cc04d46b8086a /drivers/gpu/drm/radeon/atombios_crtc.c | |
| parent | a28b2a47edcd0cb7c051b445f71a426000394606 (diff) | |
drm/radeon: fix interlaced modes on DCE8
Need to double the viewport height.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_crtc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index ed644a4f6f57..86807ee91bd1 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1405,6 +1405,9 @@ 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); |