diff options
| author | Roy Spliet <rspliet@eclipso.eu> | 2014-09-12 18:00:13 +0200 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-09-15 22:25:14 +1000 |
| commit | 1dce6264045cd23e9c07574ed0bb31c7dce9354f (patch) | |
| tree | 0251e4549f88dfb21ab967ed24eee5e6260e1307 /drivers/gpu/drm/nouveau/nv50_display.c | |
| parent | 2a7fa6744cd8333a414b5f3bfe4de647d787102e (diff) | |
| download | op-kernel-dev-1dce6264045cd23e9c07574ed0bb31c7dce9354f.zip op-kernel-dev-1dce6264045cd23e9c07574ed0bb31c7dce9354f.tar.gz | |
drm/nv50/kms: Set VBLANK time in modeset script
Solves blinking on reclocking memory. The value set is an underestimate, but
with non-reduced vblanking this should give us plenty of time
Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_display.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_display.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 03949ea..c15060e 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -1066,7 +1066,7 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode, u32 vscan = (mode->flags & DRM_MODE_FLAG_DBLSCAN) ? 2 : 1; u32 hactive, hsynce, hbackp, hfrontp, hblanke, hblanks; u32 vactive, vsynce, vbackp, vfrontp, vblanke, vblanks; - u32 vblan2e = 0, vblan2s = 1; + u32 vblan2e = 0, vblan2s = 1, vblankus = 0; u32 *push; int ret; @@ -1083,6 +1083,11 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode, vblanke = vsynce + vbackp; vfrontp = (mode->vsync_start - mode->vdisplay) * vscan / ilace; vblanks = vactive - vfrontp - 1; + /* XXX: Safe underestimate, even "0" works */ + vblankus = (vactive - mode->vdisplay - 2) * hactive; + vblankus *= 1000; + vblankus /= mode->clock; + if (mode->flags & DRM_MODE_FLAG_INTERLACE) { vblan2e = vactive + vsynce + vbackp; vblan2s = vblan2e + (mode->vdisplay * vscan / ilace); @@ -1099,14 +1104,14 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode, evo_mthd(push, 0x0804 + (nv_crtc->index * 0x400), 2); evo_data(push, 0x00800000 | mode->clock); evo_data(push, (ilace == 2) ? 2 : 0); - evo_mthd(push, 0x0810 + (nv_crtc->index * 0x400), 6); + evo_mthd(push, 0x0810 + (nv_crtc->index * 0x400), 8); evo_data(push, 0x00000000); evo_data(push, (vactive << 16) | hactive); evo_data(push, ( vsynce << 16) | hsynce); evo_data(push, (vblanke << 16) | hblanke); evo_data(push, (vblanks << 16) | hblanks); evo_data(push, (vblan2e << 16) | vblan2s); - evo_mthd(push, 0x082c + (nv_crtc->index * 0x400), 1); + evo_data(push, vblankus); evo_data(push, 0x00000000); evo_mthd(push, 0x0900 + (nv_crtc->index * 0x400), 2); evo_data(push, 0x00000311); |
