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drm/radeon: fix doublescan modes (v2)
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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
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Alex Deucher committed Mar 19, 2015
1 parent b5c9eca commit fd99a09
Showing 1 changed file with 6 additions and 2 deletions.
8 changes: 6 additions & 2 deletions drivers/gpu/drm/radeon/atombios_crtc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down Expand Up @@ -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;
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