C++ (Cpp) i915_pipe_enabled示例

示例#1

文件： i915_suspend.c 项目： AhmadTux/DragonFlyBSD

static void i915_restore_palette(struct drm_device *dev, enum i915_pipe pipe)
{
	struct drm_i915_private *dev_priv = dev->dev_private;
	unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B);
	u32 *array;
	int i;

	if (!i915_pipe_enabled(dev, pipe))
		return;

	if (pipe == PIPE_A)
		array = dev_priv->save_palette_a;
	else
		array = dev_priv->save_palette_b;

	for(i = 0; i < 256; i++)
		I915_WRITE(reg + (i << 2), array[i]);
}

示例#2

文件： i915_suspend.c 项目： mihaicarabas/dragonfly

static void i915_save_palette(struct drm_device *dev, enum i915_pipe pipe)
{
	struct drm_i915_private *dev_priv = dev->dev_private;
	unsigned long reg = (pipe == PIPE_A ? _PALETTE_A : _PALETTE_B);
	u32 *array;
	int i;

	if (!i915_pipe_enabled(dev, pipe))
		return;

	if (HAS_PCH_SPLIT(dev))
		reg = (pipe == PIPE_A) ? _LGC_PALETTE_A : _LGC_PALETTE_B;

	if (pipe == PIPE_A)
		array = dev_priv->save_palette_a;
	else
		array = dev_priv->save_palette_b;

	for (i = 0; i < 256; i++)
		array[i] = I915_READ(reg + (i << 2));
}