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| author | Alex Deucher <alexander.deucher@amd.com> | 2015-03-03 17:00:43 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-26 15:06:52 +0100 |
| commit | b2e7ca9055d8c3733b5f41d9cce5a761fb53f3d0 (patch) | |
| tree | fe325c10133d55a68dd06c24411443f0259fcc64 /drivers/gpu/drm | |
| parent | bb0677edcd41fe506e02b48a3df49cd9a6048507 (diff) | |
| download | lwn-b2e7ca9055d8c3733b5f41d9cce5a761fb53f3d0.tar.gz lwn-b2e7ca9055d8c3733b5f41d9cce5a761fb53f3d0.zip | |
drm/radeon: fix interlaced modes on DCE8
commit 77ae5f4b48a0445426c9c1ef7c0f28b717e35d55 upstream.
Need to double the viewport height.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm')
| -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 0cca5f24196a..663394f0c166 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1306,6 +1306,9 @@ 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); |