drm/ast: change resolution may cause screen blurred

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>
This commit is contained in:
Y.C. Chen 2018-10-03 14:57:47 +08:00 committed by Dave Airlie
parent 5478ad10e7
commit 1a37bd8238

View File

@ -568,6 +568,7 @@ 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;