Mali-D77 Display Processor

Arm Mali-D77 Block Diagram Image

About Mali-D77

The Arm Mali-D77 DPU is the second-generation premium Mali display processor to be built on the innovative Komeda architecture. Mali-D77 adds Virtual Reality (VR) processing functions on top of Mali-D71. It has the versatility to drive either VR head-mounted displays (HMDs) or standard large and small screen premium displays. The display processor is designed to improve the overall user experience for VR head-mounted displays by eliminating motion sickness and image artefacts, such as motion blur and screen door effect. This is made possible by enabling higher display resolutions and frames rates (up to 4K90), lowering the motion-to-photon latency and improving the image quality.

Mali-D77 is an important companion to Mali GPUs, as it limits the GPU workload through offering considerable system power savings to existing 4K solutions. Enabling powerful untethered VR devices that have better performance for a longer duration of time.

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Specifications

Features Description
Implementation Dual or single Display output, compatible with all major display standards, including HDMI, MIPI, VESA, CEA-861, ITU-R.
Versatility to drive either VR Head-Mounted Displays or premium large or small screen displays.
Compatibility Display solution with Assertive Display 5 and MMU-600.
Optimized to work with Arm Mali GPUs and Video Processors. 
Bandwidth Reduction AFBC1.2 support enables system-wide bandwidth reduction of up to 50%.
Security Content is hardware protected right to the glass. The Arm Mali-D77 comes with a TrustZone secure layer for secure payment and is compatible with Arm GlobalPlatform™ Trusted User Interface and TrustZone Media Protection.
Composition Composition of up to 4 VR layers Composition of up to 8 non-VR layers (4 can be video layers).
Mixed HDR/SDR composition.
Scaling Scaling on the display processor reduces CPU/GPU power consumption. The Mali-D77 DPU can scale up to four layers in parallel, or split the layer across multiple engines to save power.
High quality up-scaling (up to 64x) and down-scaling (up to 6x) in any ratio.
VR Processing Functions Lens Distortion Correction (LDC)
Chromatic Aberration Correction (CAC)
Asynchronous TimeWarp (ATW)
Vignette
Clamp-to-edge
Resolution Optimized for 3Kp120 (4Kp90 capable) for VR Head-Mounted displays. Up to 4K @ 120 fps for standard displays. Wide colour gamut and High Dynamic Range supported.
Rotation 90°, 180° and 270° rotation is supported along with highly configurable cropping options.
Picture Quality With color enhancements, single pixel accuracy for smooth window transitions and horizontal and vertical edge sharpening.
Input/Output Wide range of input and output formats supported.

  • A mali gpu chip.
  • Arm Mali GPUs

    Including both graphics and GPU Compute technology, Mali GPUs offer a diverse selection of scalable solutions for low power to high performance smartphones, tablets and DTVs.

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  • A chip used in augmented reality.
  • AFBC

    Arm Frame Buffer Compression. AFBC protocol addresses the difficulty of creating increasingly complex designs within the thermal limit of a mobile device. 

    Learn more

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Community Forums

Answered Uniform blocks can't be read on Galaxy S6(Mali-T760 MP8) 0 votes 313 views 2 replies Latest 4 days ago by Peter Harris Answer this
Answered Render bug on Mali-T760
  • Android OpenGL ES
  • Mali GPU (Midgard Architecture)
  • rendering
0 votes 921 views 3 replies Latest 4 days ago by Peter Harris Answer this
Answered Can a Mali-G71 use a SSBO in a vertex shader ? 0 votes 502 views 4 replies Latest 6 days ago by mbrebion Answer this
Answered Arm Mobile Studio GA tool cann't capture 0 votes 204 views 2 replies Latest 6 days ago by Peter Harris Answer this
Suggested answer RGB888 format not working in eglCreateImageKHR 0 votes 216 views 1 replies Latest 7 days ago by Peter Harris Answer this
Answered ipc.h library for arm-non-eabi tool chain
  • Toolchain
0 votes 641 views 3 replies Latest 10 days ago by jenewari Answer this
Answered Uniform blocks can't be read on Galaxy S6(Mali-T760 MP8) Latest 4 days ago by Peter Harris 2 replies 313 views
Answered Render bug on Mali-T760 Latest 4 days ago by Peter Harris 3 replies 921 views
Answered Can a Mali-G71 use a SSBO in a vertex shader ? Latest 6 days ago by mbrebion 4 replies 502 views
Answered Arm Mobile Studio GA tool cann't capture Latest 6 days ago by Peter Harris 2 replies 204 views
Suggested answer RGB888 format not working in eglCreateImageKHR Latest 7 days ago by Peter Harris 1 replies 216 views
Answered ipc.h library for arm-non-eabi tool chain Latest 10 days ago by jenewari 3 replies 641 views