aboutsummaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorAlex Deucher <alexander.deucher@amd.com>2015-02-24 11:29:21 -0500
committerSasha Levin <sasha.levin@oracle.com>2015-05-17 19:12:24 -0400
commit9be03c9a98adcb1e66df32873cd980844e9b914d (patch)
tree677545783994b177b979dce1d44a0e03681369db /drivers
parent808601dcd371399fabc26c74fd54396cbfd761b6 (diff)
drm/radeon: fix doublescan modes (v2)
[ Upstream commit fd99a0943ffaa0320ea4f69d09ed188f950c0432 ] Use the correct flags for atom. v2: handle DRM_MODE_FLAG_DBLCLK Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 9f0e62529c46..ce8cab52285b 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;