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 11:44:19 +0300 |
| commit | f1c32bab45f366b268b10c8a00ef15d3a699b4f3 (patch) | |
| tree | 35ed38dae079e0850311148cd3d5c769dea5b392 /drivers/gpu | |
| parent | 789c6944efa0e39bbad9d91b7f7c2632e871823d (diff) | |
| download | linux-f1c32bab45f366b268b10c8a00ef15d3a699b4f3.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 5957c3e659fe..1822d84db3c4 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -545,6 +545,7 @@ 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; |