4.19-stable review patch. If anyone has any objections, please let me know.
------------------
From: Y.C. Chen yc_chen@aspeedtech.com
commit 1a37bd823891568f8721989aed0615835632d81a 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: Y.C. Chen yc_chen@aspeedtech.com Cc: stable@vger.kernel.org Tested-by: Jean Delvare jdelvare@suse.de Reviewed-by: Jean Delvare jdelvare@suse.de Signed-off-by: Dave Airlie airlied@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/gpu/drm/ast/ast_mode.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -568,6 +568,7 @@ static int ast_crtc_do_set_base(struct d } ast_bo_unreserve(bo);
+ ast_set_offset_reg(crtc); ast_set_start_address_crt1(crtc, (u32)gpu_addr);
return 0;