C++ (Cpp) NV84_EVO_CRTC Examples

Example #1

File: nv50_cursor.c Project: 1703011/asuswrt-merlin

static void
nv50_cursor_hide(struct nouveau_crtc *nv_crtc, bool update)
{
	struct drm_nouveau_private *dev_priv = nv_crtc->base.dev->dev_private;
	struct nouveau_channel *evo = dev_priv->evo;
	struct drm_device *dev = nv_crtc->base.dev;
	int ret;

	NV_DEBUG_KMS(dev, "\n");

	if (update && !nv_crtc->cursor.visible)
		return;

	ret = RING_SPACE(evo, (dev_priv->chipset != 0x50 ? 5 : 3) + update * 2);
	if (ret) {
		NV_ERROR(dev, "no space while hiding cursor\n");
		return;
	}
	BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, CURSOR_CTRL), 2);
	OUT_RING(evo, NV50_EVO_CRTC_CURSOR_CTRL_HIDE);
	OUT_RING(evo, 0);
	if (dev_priv->chipset != 0x50) {
		BEGIN_RING(evo, 0, NV84_EVO_CRTC(nv_crtc->index, CURSOR_DMA), 1);
		OUT_RING(evo, NV84_EVO_CRTC_CURSOR_DMA_HANDLE_NONE);
	}

	if (update) {
		BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1);
		OUT_RING(evo, 0);
		FIRE_RING(evo);
		nv_crtc->cursor.visible = false;
	}
}

Example #2

File: nv50_cursor.c Project: AllenDou/linux

static void
nv50_cursor_show(struct nouveau_crtc *nv_crtc, bool update)
{
	struct drm_device *dev = nv_crtc->base.dev;
	struct nouveau_drm *drm = nouveau_drm(dev);
	struct nouveau_channel *evo = nv50_display(dev)->master;
	int ret;

	NV_DEBUG(drm, "\n");

	if (update && nv_crtc->cursor.visible)
		return;

	ret = RING_SPACE(evo, (nv_device(drm->device)->chipset != 0x50 ? 5 : 3) + update * 2);
	if (ret) {
		NV_ERROR(drm, "no space while unhiding cursor\n");
		return;
	}

	if (nv_device(drm->device)->chipset != 0x50) {
		BEGIN_NV04(evo, 0, NV84_EVO_CRTC(nv_crtc->index, CURSOR_DMA), 1);
		OUT_RING(evo, NvEvoVRAM);
	}
	BEGIN_NV04(evo, 0, NV50_EVO_CRTC(nv_crtc->index, CURSOR_CTRL), 2);
	OUT_RING(evo, NV50_EVO_CRTC_CURSOR_CTRL_SHOW);
	OUT_RING(evo, nv_crtc->cursor.offset >> 8);

	if (update) {
		BEGIN_NV04(evo, 0, NV50_EVO_UPDATE, 1);
		OUT_RING(evo, 0);
		FIRE_RING(evo);
		nv_crtc->cursor.visible = true;
	}
}