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authorBen Skeggs2011-07-08 01:43:20 +0200
committerBen Skeggs2011-09-20 08:07:18 +0200
commit629c1b9207386b00abd6453b72a19b15cd2202f8 (patch)
tree5bd9c189cd09eb26c9ce4ffee5477da6e515ca37 /drivers/gpu/drm/nouveau/nvd0_display.c
parentdrm/nvd0/disp: scaling (diff)
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drm/nvd0/disp: handle sync polarity, kill off some unknown
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvd0_display.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvd0_display.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
index d85b25939653..6720d63cfccc 100644
--- a/drivers/gpu/drm/nouveau/nvd0_display.c
+++ b/drivers/gpu/drm/nouveau/nvd0_display.c
@@ -352,11 +352,15 @@ nvd0_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
u32 vss2be = vsyncw + vbackp;
u32 hss2de = htotal - hfrntp;
u32 vss2de = vtotal - vfrntp;
- u32 hstart = 0;
- u32 vstart = 0;
- u32 *push;
+ u32 syncs, *push;
int ret;
+ syncs = 0x00000001;
+ if (mode->flags & DRM_MODE_FLAG_NHSYNC)
+ syncs |= 0x00000008;
+ if (mode->flags & DRM_MODE_FLAG_NVSYNC)
+ syncs |= 0x00000010;
+
ret = nvd0_crtc_swap_fbs(crtc, old_fb);
if (ret)
return ret;
@@ -364,7 +368,7 @@ nvd0_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
push = evo_wait(crtc->dev, 0, 64);
if (push) {
evo_mthd(push, 0x0410 + (nv_crtc->index * 0x300), 5);
- evo_data(push, (vstart << 16) | hstart);
+ evo_data(push, 0x00000000);
evo_data(push, (vtotal << 16) | htotal);
evo_data(push, (vsyncw << 16) | hsyncw);
evo_data(push, (vss2be << 16) | hss2be);
@@ -375,8 +379,8 @@ nvd0_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
evo_data(push, mode->clock * 1000);
evo_data(push, 0x00200000); /* ??? */
evo_data(push, mode->clock * 1000);
- evo_mthd(push, 0x0408 + (nv_crtc->index * 0x300), 1);
- evo_data(push, 0x31ec6000); /* ??? */
+ evo_mthd(push, 0x0404 + (nv_crtc->index * 0x300), 1);
+ evo_data(push, syncs);
evo_kick(push, crtc->dev, 0);
}