| From | Jiri Slaby <> | Subject | [PATCH 3.12 032/155] drm/radeon: fix interlaced modes on DCE8 | Date | Tue, 7 Apr 2015 14:50:01 +0200 |
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From: Alex Deucher <alexander.deucher@amd.com>
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@amd.com> Signed-off-by: Jiri Slaby <jslaby@suse.cz> --- 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
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