Commit 12da6fd1 authored by Y.C. Chen's avatar Y.C. Chen Committed by Kleber Sacilotto de Souza

drm/ast: change resolution may cause screen blurred

BugLink: https://bugs.launchpad.net/bugs/1810967

commit 1a37bd82 upstream.

The value of pitches is not correct while calling mode_set.
The issue we found so far on following system:
- Debian8 with XFCE Desktop
- Ubuntu with KDE Desktop
- SUSE15 with KDE Desktop
Signed-off-by: default avatarY.C. Chen <yc_chen@aspeedtech.com>
Cc: <stable@vger.kernel.org>
Tested-by: default avatarJean Delvare <jdelvare@suse.de>
Reviewed-by: default avatarJean Delvare <jdelvare@suse.de>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarJuerg Haefliger <juergh@canonical.com>
Signed-off-by: default avatarKleber Sacilotto de Souza <kleber.souza@canonical.com>
parent 8da3f824
......@@ -552,6 +552,7 @@ static int ast_crtc_do_set_base(struct drm_crtc *crtc,
}
ast_bo_unreserve(bo);
ast_set_offset_reg(crtc);
ast_set_start_address_crt1(crtc, (u32)gpu_addr);
return 0;
......
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