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1. 发明授权

US08941672B1 Method for identifying a display when a GPU connected to the display is powered down 有权
标题翻译：当连接到显示器的GPU断电时识别显示器的方法
公开(公告)号：US08941672B1
公开(公告)日：2015-01-27
申请号：US12030800
申请日：2008-02-13
申请人： Rambod Jacoby , David Wyatt , Yu Qing Cheng , Ludger Mimberg
发明人： Rambod Jacoby , David Wyatt , Yu Qing Cheng , Ludger Mimberg
IPC分类号： G06F13/14
CPC分类号： G09G5/363 , G09G2330/022 , G09G2360/08 , G09G2370/042
摘要： Embodiments of the present disclosure provide techniques for identifying a display when a graphics processing unit (GPU) connected to the display via a display control bus is in a low power state. By providing a separate microcontroller with a parallel connection to the display control bus, the microcontroller may detect the presence of a display device even when the GPU is in the low power state. In response to detecting the display device, the microcontroller may notify a motherboard chipset (e.g., via an interrupt) prompting the motherboard chipset to initiate a sequence to bring the GPU out of the low power state.
摘要翻译：当通过显示控制总线连接到显示器的图形处理单元（GPU）处于低功率状态时，本公开的实施例提供用于识别显示器的技术。通过提供具有与显示控制总线的并行连接的单独的微控制器，即使GPU处于低功率状态，微控制器也可以检测显示设备的存在。响应于检测到显示装置，微控制器可以通知主板芯片组（例如，经由中断）提示主板芯片组发起一个使GPU脱离低功率状态的顺序。

2. 发明授权

US08635480B1 Method and apparatus for controlling power to a processing unit 有权
标题翻译：用于控制处理单元的电力的方法和装置
公开(公告)号：US08635480B1
公开(公告)日：2014-01-21
申请号：US12037879
申请日：2008-02-26
申请人： Ludger Mimberg , David G. Reed , David Wyatt , Gary D. Hicok , Rambod Jacoby
发明人： Ludger Mimberg , David G. Reed , David Wyatt , Gary D. Hicok , Rambod Jacoby
IPC分类号： G06F1/32
CPC分类号： G06F1/3293 , G06F1/325 , G06F1/3287 , G09G5/363 , G09G2360/08 , G09G2370/12 , Y02D10/122 , Y02D10/171 , Y02D50/20
摘要： In a computer system with multiple processing units, power to one or more of the processing units is turned off while the other processing units remain powered on. The processing unit that is powered off may be a GPU on a graphics adapter card, and power to this GPU is controlled by turning on and off the power supplied through a voltage regulator. With this configuration, power to the GPU on the graphics adapter card can be turned off when it is not in use or when it is being used for graphics processing that another graphics processor can handle.
摘要翻译：在具有多个处理单元的计算机系统中，对一个或多个处理单元的电力被关闭，而其他处理单元保持通电。关闭的处理单元可以是图形适配器卡上的GPU，并且通过打开和关闭通过电压调节器提供的电力来控制对该GPU的电力。使用此配置，图形适配器卡上的GPU的电源可以在不使用时被关闭，或者当它被用于另一个图形处理器可以处理的图形处理时被关闭。

3. 发明授权

US09092220B2 Method and apparatus to optimize system battery-life while preventing disruptive user experience during system suspend 有权
标题翻译：优化系统电池寿命的方法和设备，同时防止系统暂停期间的破坏性用户体验
公开(公告)号：US09092220B2
公开(公告)日：2015-07-28
申请号：US13251195
申请日：2011-09-30
申请人： David Wyatt , Rambod Jacoby
发明人： David Wyatt , Rambod Jacoby
IPC分类号： G06F1/32 , G06F1/00 , G06F15/00 , G06F15/16
CPC分类号： G06F1/3206 , G06F1/3265 , G06F3/14 , G09G5/003 , G09G5/005 , G09G5/363 , G09G2330/021 , G09G2330/022 , G09G2360/18 , Y02D10/153
摘要： A computer system comprising a graphics processor, a frame buffer, a display device, a system agent operable to detect an absence of active software applications and system configurations capable of rendering a disruptive user experience during system suspend, and a memory for storing instructions, that when executed perform a method of entering a power conservation state. The method comprises detecting a system idle event, activating the frame buffer, and storing display information in the frame buffer from the graphics processor. The method further comprises initiating a power reduction state for the graphics processor, self-refreshing the display device during the power reduction state with the display information stored in the frame buffer, and initiating a system suspend comprising a power reduction state for the computer system provided the system agent detects the absence of disruptive software and system configurations.
摘要翻译：一种计算机系统，包括图形处理器，帧缓冲器，显示设备，可操作以检测不存在活动软件应用的系统代理和能够在系统暂停期间呈现破坏性用户体验的系统配置，以及用于存储指令的存储器，当执行时执行进入省电状态的方法。该方法包括检测系统空闲事件，激活帧缓冲器，并将显示信息存储在来自图形处理器的帧缓冲器中。该方法还包括启动用于图形处理器的功率降低状态，在功率降低状态期间，通过存储在帧缓冲器中的显示信息自刷新显示设备，以及启动包括用于所提供的计算机系统的功率降低状态的系统挂起系统代理检测到没有破坏性的软件和系统配置。

4. 发明申请

US20130054998A1 Method and Apparatus to Optimize System Battery-Life While Preventing Disruptive User Experience During System Suspend 有权
标题翻译：方法和设备优化系统电池寿命，同时防止系统暂停期间的破坏性用户体验
公开(公告)号：US20130054998A1
公开(公告)日：2013-02-28
申请号：US13251195
申请日：2011-09-30
申请人： David Wyatt , Rambod Jacoby
发明人： David Wyatt , Rambod Jacoby
IPC分类号： G06F1/00
CPC分类号： G06F1/3206 , G06F1/3265 , G06F3/14 , G09G5/003 , G09G5/005 , G09G5/363 , G09G2330/021 , G09G2330/022 , G09G2360/18 , Y02D10/153
摘要： A computer system comprising a graphics processor, a frame buffer, a display device, a system agent operable to detect an absence of active software applications and system configurations capable of rendering a disruptive user experience during system suspend, and a memory for storing instructions, that when executed perform a method of entering a power conservation state. The method comprises detecting a system idle event, activating the frame buffer, and storing display information in the frame buffer from the graphics processor. The method further comprises initiating a power reduction state for the graphics processor, self-refreshing the display device during the power reduction state with the display information stored in the frame buffer, and initiating a system suspend comprising a power reduction state for the computer system provided the system agent detects the absence of disruptive software and system configurations.
摘要翻译：一种计算机系统，包括图形处理器，帧缓冲器，显示设备，可操作以检测不存在活动软件应用的系统代理和能够在系统暂停期间呈现破坏性用户体验的系统配置，以及用于存储指令的存储器，当执行时执行进入省电状态的方法。该方法包括检测系统空闲事件，激活帧缓冲器，并将显示信息存储在来自图形处理器的帧缓冲器中。该方法还包括启动用于图形处理器的功率降低状态，在功率降低状态期间，通过存储在帧缓冲器中的显示信息自刷新显示设备，以及启动包括用于所提供的计算机系统的功率降低状态的系统挂起系统代理检测到没有破坏性的软件和系统配置。

5. 发明授权

US10761582B2 Method and apparatus to optimize system battery-life for static and semi-static image viewing usage models 有权
公开(公告)号：US10761582B2
公开(公告)日：2020-09-01
申请号：US13251178
申请日：2011-09-30
申请人： David Wyatt , Rambod Jacoby
发明人： David Wyatt , Rambod Jacoby
IPC分类号： G06F3/14 , G06F1/3206 , G06F1/3234 , G09G5/00 , G09G5/36
摘要： A computer system comprising: a graphics processor, a display controller comprising a display-local frame buffer, a display device, and a memory. The memory stores instructions, that when executed by the computer system, perform a method of entering a power management state. The method comprises detecting that the computer system is idle and optional proximity detector for determining if a user is present in front of the system. With the computer system idle, and the user in proximity of the system, the display-local frame buffer is activated. Display information transmitted by the graphics processor is stored in the display-local frame buffer. Initially a power reduction state is initiated for the graphics subsystem including the graphics processor, and the display device is placed in a self-refresh state with the display self-refreshing from information stored in the local frame buffer.

6. 发明申请

US20130054997A1 Method and Apparatus to Optimize System Battery-Life for Static and Semi-Static Image Viewing Usage Models 审中-公开
标题翻译：用于优化静态和半静态图像查看使用模型的系统电池寿命的方法和装置
公开(公告)号：US20130054997A1
公开(公告)日：2013-02-28
申请号：US13251178
申请日：2011-09-30
申请人： David Wyatt , Rambod Jacoby
发明人： David Wyatt , Rambod Jacoby
IPC分类号： G06F1/32
CPC分类号： G06F1/3206 , G06F1/3265 , G06F3/14 , G09G5/003 , G09G5/005 , G09G5/363 , G09G2330/021 , G09G2330/022 , G09G2360/18 , Y02D10/153
摘要： A computer system comprising: a graphics processor, a display controller comprising a display-local frame buffer, a display device, and a memory. The memory stores instructions, that when executed by the computer system, perform a method of entering a power management state. The method comprises detecting that the computer system is idle and optional proximity detector for determining if a user is present in front of the system. With the computer system idle, and the user in proximity of the system, the display-local frame buffer is activated. Display information transmitted by the graphics processor is stored in the display-local frame buffer. Initially a power reduction state is initiated for the graphics subsystem including the graphics processor, and the display device is placed in a self-refresh state with the display self-refreshing from information stored in the local frame buffer.
摘要翻译：一种计算机系统，包括：图形处理器，包括显示器 - 本地帧缓冲器，显示装置和存储器的显示控制器。存储器存储指令，当由计算机系统执行时，执行进入电源管理状态的方法。该方法包括检测计算机系统是空闲的，并且可选的接近检测器用于确定用户是否存在于系统前面。随着计算机系统空闲，用户在系统附近，显示本地帧缓冲区被激活。图形处理器发送的显示信息存储在显示本地帧缓冲器中。最初，为包括图形处理器的图形子系统启动功率降低状态，并且显示设备被置于具有通过存储在本地帧缓冲器中的信息的显示器自刷新的自刷新状态。

7. 发明授权

US07827333B1 System and method for determining a bus address on an add-in card 有权
标题翻译：用于确定附加卡上总线地址的系统和方法
公开(公告)号：US07827333B1
公开(公告)日：2010-11-02
申请号：US12025708
申请日：2008-02-04
申请人： David Wyatt , Hon Fei Chong , Rambod Jacoby
发明人： David Wyatt , Hon Fei Chong , Rambod Jacoby
IPC分类号： G06F13/00 , G06F3/00 , H05K7/10
CPC分类号： G06F12/0653 , G09G5/363
摘要： One embodiment of the present invention sets forth a technique to determine a bus address for an add-in card on a System Management bus (SMbus) that includes a hybrid microcontroller (hEC) and discrete graphics processing unit (dGPU). A graphics driver requests the System Basic Input/Output System (SBIOS) for a list of available slave addresses. The graphics driver receives the list and selects an available slave address to be assigned to the hEC. The graphics driver assigns the selected address to the hEC through an Inter-Integrated Circuit bus backdoor. The graphics driver then passes the selected address back to the SBIOS and the selected address is removed from the list of available addresses. Advantageously, this approach to dynamically assigning bus addresses provides compatibility with different types of hECs as well as with different motherboard configurations and other SMbus devices.
摘要翻译：本发明的一个实施例提出了一种用于确定包括混合微控制器（hEC）和分立图形处理单元（dGPU）的系统管理总线（SMbus）上的附加卡的总线地址的技术。图形驱动程序请求系统基本输入/输出系统（SBIOS）获取可用从站地址的列表。图形驱动程序接收列表，并选择要分配给hEC的可用从站地址。图形驱动器通过集成电路总线后门将选定的地址分配给hEC。然后，图形驱动程序将选定的地址传回SBIOS，并将所选地址从可用地址列表中删除。有利的是，这种动态分配总线地址的方法提供了与不同类型的hEC以及不同的主板配置和其他SMbus设备的兼容性。

8. 发明授权

US08610732B2 System and method for video memory usage for general system application 有权
标题翻译：用于一般系统应用的视频内存使用的系统和方法
公开(公告)号：US08610732B2
公开(公告)日：2013-12-17
申请号：US12333108
申请日：2008-12-11
申请人： Rambod Jacoby
发明人： Rambod Jacoby
IPC分类号： G06F12/02 , G06F15/167
CPC分类号： G06F9/5016 , Y02D10/22
摘要： A system and method for facilitating access to graphics memory wherein the graphics memory can be shared between a graphics processor and general system application. The method includes detecting an idle state of a graphics processing unit (GPU). The GPU uses graphics memory operable for storing graphics data. The method further includes determining an amount of available memory of the graphics memory of the GPU and signaling an operating system regarding the available memory. Memory data transfers are then received to store data into the available memory of the graphics memory wherein the data is related to general system application. Memory accesses to the available memory of the GPU are translated into a suitable format and executed so that the graphics memory is shared between the GPU and the operating system.
摘要翻译：一种便于访问图形存储器的系统和方法，其中图形存储器可以在图形处理器和通用系统应用之间共享。该方法包括检测图形处理单元（GPU）的空闲状态。 GPU使用可用于存储图形数据的图形存储器。该方法还包括确定GPU的图形存储器的可用存储器的量并且向操作系统发信号以确定可用存储器。然后接收存储器数据传输以将数据存储到图形存储器的可用存储器中，其中数据与一般系统应用相关。对GPU的可用存储器的存储器访问被转换为合适的格式并被执行，使得GPU和操作系统之间共享图形存储器。

9. 发明授权

US07698489B1 Method for dynamically turning off bus signals into a GPU 有权
标题翻译：将总线信号动态关闭到GPU的方法
公开(公告)号：US07698489B1
公开(公告)日：2010-04-13
申请号：US12025704
申请日：2008-02-04
申请人： Rambod Jacoby , Charles Buffington
发明人： Rambod Jacoby , Charles Buffington
IPC分类号： G06F13/00 , G06F1/00 , H05K7/10
CPC分类号： G06F1/3203 , G06F1/3253 , Y02D10/151
摘要： Embodiments of the present disclosure provide techniques for dynamically turning off bus signals driven into a graphics processing unit (GPU) when the GPU is in a low power state. The GPU may be located on a graphics card mounted to a motherboard by a bus, such as a PCI-Express bus.
摘要翻译：本公开的实施例提供了当GPU处于低功率状态时动态地关闭驱动到图形处理单元（GPU）中的总线信号的技术。 GPU可以位于通过诸如PCI-Express总线的总线安装到主板的图形卡上。

10. 发明申请

US20100149199A1 SYSTEM AND METHOD FOR VIDEO MEMORY USAGE FOR GENERAL SYSTEM APPLICATION 有权
标题翻译：用于一般系统应用的视频存储器的系统和方法
公开(公告)号：US20100149199A1
公开(公告)日：2010-06-17
申请号：US12333108
申请日：2008-12-11
申请人： Rambod Jacoby
发明人： Rambod Jacoby
IPC分类号： G06F15/167
CPC分类号： G06F9/5016 , Y02D10/22
摘要： A system and method for facilitating access to graphics memory wherein the graphics memory can be shared between a graphics processor and general system application. The method includes detecting an idle state of a graphics processing unit (GPU). The GPU uses graphics memory operable for storing graphics data. The method further includes determining an amount of available memory of the graphics memory of the GPU and signaling an operating system regarding the available memory. Memory data transfers are then received to store data into the available memory of the graphics memory wherein the data is related to general system application. Memory accesses to the available memory of the GPU are translated into a suitable format and executed so that the graphics memory is shared between the GPU and the operating system.
摘要翻译：一种便于访问图形存储器的系统和方法，其中图形存储器可以在图形处理器和通用系统应用之间共享。该方法包括检测图形处理单元（GPU）的空闲状态。 GPU使用可用于存储图形数据的图形存储器。该方法还包括确定GPU的图形存储器的可用存储器的量并且向操作系统发信号以确定可用存储器。然后接收存储器数据传输以将数据存储到图形存储器的可用存储器中，其中数据与一般系统应用相关。对GPU的可用存储器的存储器访问被转换为合适的格式并被执行，使得GPU和操作系统之间共享图形存储器。

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