forked from Minki/linux
drm/nvd0/disp: handle sync polarity, kill off some unknown
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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f3fdc52dd7
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629c1b9207
@ -352,11 +352,15 @@ nvd0_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
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u32 vss2be = vsyncw + vbackp;
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u32 hss2de = htotal - hfrntp;
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u32 vss2de = vtotal - vfrntp;
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u32 hstart = 0;
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u32 vstart = 0;
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u32 *push;
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u32 syncs, *push;
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int ret;
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syncs = 0x00000001;
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if (mode->flags & DRM_MODE_FLAG_NHSYNC)
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syncs |= 0x00000008;
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if (mode->flags & DRM_MODE_FLAG_NVSYNC)
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syncs |= 0x00000010;
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ret = nvd0_crtc_swap_fbs(crtc, old_fb);
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if (ret)
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return ret;
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@ -364,7 +368,7 @@ nvd0_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
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push = evo_wait(crtc->dev, 0, 64);
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if (push) {
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evo_mthd(push, 0x0410 + (nv_crtc->index * 0x300), 5);
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evo_data(push, (vstart << 16) | hstart);
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evo_data(push, 0x00000000);
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evo_data(push, (vtotal << 16) | htotal);
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evo_data(push, (vsyncw << 16) | hsyncw);
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evo_data(push, (vss2be << 16) | hss2be);
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@ -375,8 +379,8 @@ nvd0_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
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evo_data(push, mode->clock * 1000);
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evo_data(push, 0x00200000); /* ??? */
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evo_data(push, mode->clock * 1000);
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evo_mthd(push, 0x0408 + (nv_crtc->index * 0x300), 1);
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evo_data(push, 0x31ec6000); /* ??? */
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evo_mthd(push, 0x0404 + (nv_crtc->index * 0x300), 1);
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evo_data(push, syncs);
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evo_kick(push, crtc->dev, 0);
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}
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