Commit fd99a094 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon: fix doublescan modes (v2) 



Use the correct flags for atom.

v2: handle DRM_MODE_FLAG_DBLCLK

Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent b5c9ecab

drivers/gpu/drm/radeon/atombios_crtc.c

+6 −2
Original line number Diff line number Diff line
@@ -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;

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