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drm/nvd0/disp: handle sync polarity, kill off some unknown

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-07-08 09:43:20 +10:00
parent f3fdc52dd7
commit 629c1b9207
1 changed files with 10 additions and 6 deletions
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16
drivers/gpu/drm/nouveau/nvd0_display.c
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@ -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);
}