The modesetting code initialized the memory-related register CRTCEXT4.
Move this code to MM initialization.
Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
Reviewed-by: Lyude Paul <ly...@redhat.com>
---
drivers/gpu/drm/mgag200/mgag200_mm.c | 2 ++
drivers/gpu/drm/mgag200/mgag200_mode.c | 6 +-----
2 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/mgag200/mgag200_mm.c
b/drivers/gpu/drm/mgag200/mgag200_mm.c
index 1b1918839e1e..641f1aa992be 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mm.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mm.c
@@ -94,6 +94,8 @@ int mgag200_mm_init(struct mga_device *mdev)
resource_size_t start, len;
int ret;
+ WREG_ECRT(0x04, 0x00);
+
misc = RREG8(MGA_MISC_IN);
misc |= MGAREG_MISC_RAMMAPEN |
MGAREG_MISC_HIGH_PG_SEL;
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c
b/drivers/gpu/drm/mgag200/mgag200_mode.c
index 66818ee10694..4fa64cf884cb 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -946,7 +946,7 @@ static void mgag200_set_dac_regs(struct mga_device *mdev)
static void mgag200_init_regs(struct mga_device *mdev)
{
- u8 crtc11, crtcext4, misc;
+ u8 crtc11, misc;
mgag200_set_dac_regs(mdev);
@@ -961,10 +961,6 @@ static void mgag200_init_regs(struct mga_device *mdev)
WREG_CRT(14, 0);
WREG_CRT(15, 0);
- crtcext4 = 0x00;
-
- WREG_ECRT(0x04, crtcext4);
-
RREG_CRT(0x11, crtc11);
crtc11 &= ~(MGAREG_CRTC11_CRTCPROTECT |
MGAREG_CRTC11_VINTEN |
--
2.27.0
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