From fd99a0943ffaa0320ea4f69d09ed188f950c0432 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 24 Feb 2015 11:29:21 -0500 Subject: [PATCH] drm/radeon: fix doublescan modes (v2) Use the correct flags for atom. v2: handle DRM_MODE_FLAG_DBLCLK Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org --- drivers/gpu/drm/radeon/atombios_crtc.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 2d0adb9619ce..36156ea92a93 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -330,8 +330,10 @@ atombios_set_crtc_dtd_timing(struct drm_crtc *crtc, misc |= ATOM_COMPOSITESYNC; if (mode->flags & DRM_MODE_FLAG_INTERLACE) misc |= ATOM_INTERLACE; - if (mode->flags & DRM_MODE_FLAG_DBLSCAN) + if (mode->flags & DRM_MODE_FLAG_DBLCLK) misc |= ATOM_DOUBLE_CLOCK_MODE; + if (mode->flags & DRM_MODE_FLAG_DBLSCAN) + misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2; args.susModeMiscInfo.usAccess = cpu_to_le16(misc); args.ucCRTC = radeon_crtc->crtc_id; @@ -374,8 +376,10 @@ static void atombios_crtc_set_timing(struct drm_crtc *crtc, misc |= ATOM_COMPOSITESYNC; if (mode->flags & DRM_MODE_FLAG_INTERLACE) misc |= ATOM_INTERLACE; - if (mode->flags & DRM_MODE_FLAG_DBLSCAN) + if (mode->flags & DRM_MODE_FLAG_DBLCLK) misc |= ATOM_DOUBLE_CLOCK_MODE; + if (mode->flags & DRM_MODE_FLAG_DBLSCAN) + misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2; args.susModeMiscInfo.usAccess = cpu_to_le16(misc); args.ucCRTC = radeon_crtc->crtc_id; -- 2.20.1