Setting the plane registers first and the mode registers afterwards
reproduces the sequence used by atomic helpers. Done in preparation
of switching to simple KMS helpers.
Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
Tested-by: John Donnelly <john.p.donne...@oracle.com>
Acked-by: Sam Ravnborg <s...@ravnborg.org>
---
drivers/gpu/drm/mgag200/mgag200_mode.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c
b/drivers/gpu/drm/mgag200/mgag200_mode.c
index 2007d7a4754ac..4dba0a379c263 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -1145,8 +1145,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
WREG_CRT(15, 0);
WREG_CRT(19, pitch & 0xFF);
- mgag200_set_mode_regs(mdev, mode);
-
ext_vga[0] = 0;
/* TODO interlace */
@@ -1182,6 +1180,8 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
mga_crtc_do_set_base(mdev, fb, old_fb);
+ mgag200_set_mode_regs(mdev, mode);
+
/* reset tagfifo */
if (mdev->type == G200_ER) {
u32 mem_ctl = RREG32(MGAREG_MEMCTL);
--
2.26.2
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