diff options
| author | Y.C. Chen <yc_chen@aspeedtech.com> | 2018-10-03 09:57:47 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-01 11:47:59 +0300 |
| commit | ac861eab3aa12cb205dfbf4f6c79f779588103b0 (patch) | |
| tree | 5c2144d1d2a57758bebf7dabbf48fdd2c71a0080 /drivers/gpu | |
| parent | 52e6b86ba2cfd3a6ef307d37345e1c05d414f56b (diff) | |
| download | linux-ac861eab3aa12cb205dfbf4f6c79f779588103b0.tar.xz | |
drm/ast: change resolution may cause screen blurred
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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_mode.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index 6f3b0fc44bcc..a43d81b6d5d1 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -549,6 +549,7 @@ 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; |