dri-devel

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2016/10/20 mm: fix cache mode tracking in vm_insert_mixed() breaks AMDGPU [was: Re: Latest testing with drm-next-4.9-wip and latest LLVM/mesa stack - Regression in PowerPlay/DPM on CIK?] Marek Olšák
2016/10/20 [PATCH 10/10] drm/imx: ipuv3-plane: use drm_plane_helper_check_state, clipped coordinates Ying Liu
2016/10/20 [PATCH v2] drm/bridge: adv7511: Remove unused code blocks Wolfram Sang
2016/10/20 [PATCH 10/10] drm/imx: ipuv3-plane: use drm_plane_helper_check_state, clipped coordinates Ville Syrjälä
2016/10/20 [PATCH] drm/amd/powerplay: don't give up if DPM is already running Zhu, Rex
2016/10/20 [PATCH 2/4] drm/i2c: tda998x: Remove obsolete drm_connector_register() call Laurent Pinchart
2016/10/20 the dp helper would try to enable the i2c channel for rockchip-edp Tomeu Vizoso
2016/10/20 [PATCH 10/10] drm/imx: ipuv3-plane: use drm_plane_helper_check_state, clipped coordinates Ying Liu
2016/10/20 [PATCH] dma-buf: Rename struct fence to dma_fence Christian König
2016/10/20 the dp helper would try to enable the i2c channel for rockchip-edp Randy Li
2016/10/20 [PATCH v2] drm/bridge: adv7511: Remove unused code blocks Laurent Pinchart
2016/10/20 [PATCH v3 3/3] MAINTAINERS: add an entry for ZTE ZX DRM driver Shawn Guo
2016/10/20 [PATCH v3 2/3] drm: zte: add initial vou drm driver Shawn Guo
2016/10/20 [PATCH v3 1/3] dt-bindings: add bindings doc for ZTE VOU display controller Shawn Guo
2016/10/20 [PATCH v3 0/3] Add initial ZTE VOU DRM/KMS driver Shawn Guo
2016/10/20 [PATCH 2/2] dma-buf/fence-array: hold fences reference when creating an array Christian König
2016/10/20 the dp helper would try to enable the i2c channel for rockchip-edp Tomeu Vizoso
2016/10/19 [PATCH] dma-buf: Rename struct fence to dma_fence Chris Wilson
2016/10/19 Rename "struct fence" to "struct dma_fence" Chris Wilson
2016/10/19 [PATCH 1/3] drm/fb_cma_helper: do not free fbdev if there is none Daniel Vetter
2016/10/19 [PATCH] drm: convert DT component matching to component_match_add_release() Daniel Vetter
2016/10/19 Unix Device Memory Allocation project Daniel Vetter
2016/10/19 [PATCH 08/10] drm/imx: ipuv3-plane: add support for YUV 4:2:2 and 4:4:4, NV12, and NV16 formats Ying Liu
2016/10/19 [PATCH 06/10] gpu: ipu-cpmem: remove unused ipu_cpmem_set_yuv_planar function Ying Liu
2016/10/19 [PATCH 05/10] drm/imx: ipuv3-plane: let drm_plane_state_to_ubo/vbo handle chroma subsampling other than 4:2:0 Ying Liu
2016/10/19 [PATCH 01/10] drm/imx: ipuv3-plane: make sure x/y offsets are even in case of chroma subsampling Ying Liu
2016/10/19 [Bug 93649] [radeonsi] Graphics lockup while playing tf2 bugzilla-dae...@freedesktop.org
2016/10/19 [Bug 98333] 4K @ 60Hz over HDMI 2.0 not working with AMDGPU-DAL bugzilla-dae...@freedesktop.org
2016/10/19 [PATCH v2 8/8] ARM: dts: sun6i: hummingbird-a31: Enable display output through VGA bridge Chen-Yu Tsai
2016/10/19 [PATCH v2 7/8] ARM: dts: sun6i: Add A31 LCD0 RGB888 pins Chen-Yu Tsai
2016/10/19 [PATCH v2 6/8] ARM: dts: sun6i: Add device nodes for first display pipeline Chen-Yu Tsai
2016/10/19 [PATCH v2 5/8] drm/sun4i: Add compatible strings for A31/A31s display pipelines Chen-Yu Tsai
2016/10/19 [PATCH v2 4/8] drm/sun4i: Add compatible string for A31/A31s TCON (timing controller) Chen-Yu Tsai
2016/10/19 [PATCH v2 3/8] drm/sun4i: tcon: Move SoC specific quirks to a DT matched data structure Chen-Yu Tsai
2016/10/19 [PATCH v2 2/8] drm/sun4i: sun6i-drc: Support DRC on A31 and A31s Chen-Yu Tsai
2016/10/19 [PATCH v2 1/8] drm/bridge: rgb-to-vga: Support an enable GPIO Chen-Yu Tsai
2016/10/19 [PATCH v2 0/8] drm/sun4i: Support first display pipeline on sun6i Chen-Yu Tsai
2016/10/19 mm: fix cache mode tracking in vm_insert_mixed() breaks AMDGPU [was: Re: Latest testing with drm-next-4.9-wip and latest LLVM/mesa stack - Regression in PowerPlay/DPM on CIK?] Michel Dänzer
2016/10/19 [Bug 98336] si_shader.c:6612:26: error: implicit declaration of function ‘LLVMGetCalledValue’ [-Werror=implicit-function-declaration] bugzilla-dae...@freedesktop.org
2016/10/19 [PATCH 3/3] drm/fsl-dcu: disable outputs before unloading driver Stefan Agner
2016/10/19 [PATCH 2/3] drm/fsl-dcu: unload driver before disabling clocks Stefan Agner
2016/10/19 [PATCH 1/3] drm/fb_cma_helper: do not free fbdev if there is none Stefan Agner
2016/10/19 [PATCH 0/3] drm/fsl-dcu: fix driver remove/DRM unload Stefan Agner
2016/10/19 [GIT PULL] drm/fsl-dcu: fixes for v4.9-rc2 Stefan Agner
2016/10/19 [PATCH v3 1/5] drm/fsl-dcu: enable TCON bypass mode by default Stefan Agner
2016/10/19 [PATCH -next] drm/i915/gvt: fix return value check Zhenyu Wang
2016/10/19 [Intel-gfx] [PATCH RFC 2/8] drm: Define a work struct for scheduling a uevent for modeset retry Pandiyan, Dhinakaran
2016/10/19 [Bug 98336] si_shader.c:6612:26: error: implicit declaration of function ‘LLVMGetCalledValue’ [-Werror=implicit-function-declaration] bugzilla-dae...@freedesktop.org
2016/10/19 exynos-drm: display manager fails to start without IOMMU problem Shuah Khan
2016/10/19 gma500: color distortion on framebuffer console unbind Patrik Jakobsson
2016/10/19 [PATCH] exynos-drm: Fix display manager failing to start without IOMMU problem Shuah Khan
2016/10/19 [PATCH] drm/msm: update uapi header license Rob Clark
2016/10/19 [PATCH RFC 8/8] drm/i915: Add support for DP link training compliance Manasi Navare
2016/10/19 [PATCH RFC 7/8] drm/i915: Link Rate fallback on Link training failure Manasi Navare
2016/10/19 [PATCH RFC 6/8] drm/i915: Define the modeset retry work function Manasi Navare
2016/10/19 [PATCH RFC 5/8] drm/i915; Add a function to return index of link rate Manasi Navare
2016/10/19 [PATCH RFC 4/8] drm/i915: Change the placement of some static functions in intel_dp.c Manasi Navare
2016/10/19 [PATCH RFC 3/8] drm: Trigger a complete modeset if link_train_retry is set Manasi Navare
2016/10/19 [PATCH RFC 2/8] drm: Define a work struct for scheduling a uevent for modeset retry Manasi Navare
2016/10/19 [PATCH RFC 1/8] drm: Add a link_train_retry field to drm_connector Manasi Navare
2016/10/19 [PATCH RFC 0/8] Hotplug Uevent on Link training failure on DP Manasi Navare
2016/10/19 [Bug 93826] 2560x1440 @144Hz graphic glitches and bad refresh rate bugzilla-dae...@freedesktop.org
2016/10/19 [Bug 98333] 4K @ 60Hz over HDMI 2.0 not working with AMDGPU-DAL bugzilla-dae...@freedesktop.org
2016/10/19 [PATCH] reservation: fix reservation_object_wait_timeout_rcu result Alex Deucher
2016/10/19 [PATCH 2/2] dma-buf/fence-array: hold fences reference when creating an array Gustavo Padovan
2016/10/19 [RESEND][GIT PULL] TDA998x I2C driver development updates Russell King
2016/10/19 [PATCH 2/2] dma-buf/fence-array: hold fences reference when creating an array Christian König
2016/10/19 [PATCH] reservation: fix reservation_object_wait_timeout_rcu result Christian König
2016/10/19 [PATCH 2/2] dma-buf/fence-array: hold fences reference when creating an array Gustavo Padovan
2016/10/19 [PATCH 1/2] dma-buf/sync_file: hold reference to fence when creating sync_file Gustavo Padovan
2016/10/19 [Bug 98324] amd-staging-4.7: problems with unblanking displays when monitors are switched off bugzilla-dae...@freedesktop.org
2016/10/19 [PATCH 00/10] mm: adjust get_user_pages* functions to explicitly pass FOLL_* flags Dave Hansen
2016/10/19 [Bug 98324] amd-staging-4.7: problems with unblanking displays when monitors are switched off bugzilla-dae...@freedesktop.org
2016/10/19 [PATCH 00/10] mm: adjust get_user_pages* functions to explicitly pass FOLL_* flags Michal Hocko
2016/10/19 [PATCH 00/10] mm: adjust get_user_pages* functions to explicitly pass FOLL_* flags Dave Hansen
2016/10/19 Unix Device Memory Allocation project Marek Olšák
2016/10/19 [RESEND][GIT PULL] TDA998x I2C driver development updates Russell King
2016/10/19 [Intel-gfx] [PATCH] drm/i915: Add i915 perf infrastructure Robert Bragg
2016/10/19 [Bug 178421] [regression] Radeon Oops on shutdown bugzilla-dae...@bugzilla.kernel.org
2016/10/19 [Bug 178421] New: [regression] Radeon Oops on shutdown bugzilla-dae...@bugzilla.kernel.org
2016/10/19 [GIT PULL] Armada DRM fixes Russell King
2016/10/19 exynos-drm: display manager fails to start without IOMMU problem Tobias Jakobi
2016/10/19 [PATCH -next] drm/i915/gvt: fix return value check Wei Yongjun
2016/10/19 [Bug 98322] QXL drm driver regression in 4.7 bugzilla-dae...@freedesktop.org
2016/10/19 [PATCH] drm: Fix LSPCON kernel-doc Jani Nikula
2016/10/19 [PATCH] drm: Fix LSPCON kernel-doc Ville Syrjälä
2016/10/19 [PATCH] drm: rcar-du: Simplify and fix probe error handling Laurent Pinchart
2016/10/19 [PATCH 8/8] drm: rcar-du: Initialize encoder's type based on the bridge's type Laurent Pinchart
2016/10/19 [PATCH 7/8] drm: rcar-du: Replace manual VGA DAC implementation with DRM bridge Laurent Pinchart
2016/10/19 [PATCH 6/8] drm: Set on-chip bridges' encoder type Laurent Pinchart
2016/10/19 [PATCH 5/8] drm: bridge: Set bridges' encoder type Laurent Pinchart
2016/10/19 [PATCH 4/8] drm: Add encoder_type field to the drm_bridge structure Laurent Pinchart
2016/10/19 [PATCH 3/8] drm: bridge: lvds-encoder: Add thine, thc63lvdm83d compatible string Laurent Pinchart
2016/10/19 [PATCH 2/8] drm: bridge: vga-dac: Add adi,adv7123 compatible string Laurent Pinchart
2016/10/19 [PATCH 1/8] drm: bridge: Add LVDS encoder driver Laurent Pinchart
2016/10/19 [PATCH 0/8] R-Car DU: Use drm bridge API Laurent Pinchart
2016/10/19 [Bug 178281] wine-staging apps freezes the machine with RX460 bugzilla-dae...@bugzilla.kernel.org
2016/10/19 [PATCH V2] gpu/drm/exynos/exynos_hdmi - Unmap region obtained by of_iomap Inki Dae
2016/10/19 [PATCH] exynos-drm: Fix display manager failing to start without IOMMU problem Inki Dae
2016/10/19 Unix Device Memory Allocation project Daniel Vetter
2016/10/19 [PATCH] drm/amd/powerplay: don't give up if DPM is already running Zhu, Rex
2016/10/19 the dp helper would try to enable the i2c channel for rockchip-edp Randy Li
2016/10/19 [PATCH v2] drm/bridge: adv7511: Remove unused code blocks Sharma, Jitendra
2016/10/19 Unix Device Memory Allocation project Marek Olšák
2016/10/19 [PATCH v2] drm/bridge: adv7511: Remove unused code blocks Laurent Pinchart
2016/10/19 [PATCH] exynos-drm: Fix error messages to print flags and size Inki Dae
2016/10/19 [PATCH v2] drm/bridge: adv7511: Remove unused code blocks Archit Taneja
2016/10/19 Unix Device Memory Allocation project Marek Olšák
2016/10/19 [PATCH v2] drm/bridge: adv7511: Remove unused code blocks Sharma, Jitendra
2016/10/19 [PATCH v2 5/9] of: Add vendor prefix for Netron DY Rob Herring
2016/10/19 [Bug 178281] wine-staging apps freezes the machine with RX460 bugzilla-dae...@bugzilla.kernel.org
2016/10/19 [PATCH v2 7/7] selftest: sync: stress test for merges Emilio López
2016/10/19 [PATCH v2 6/7] selftest: sync: stress consumer/producer test Emilio López
2016/10/19 [PATCH v2 5/7] selftest: sync: stress test for parallelism Emilio López
2016/10/19 [PATCH v2 4/7] selftest: sync: wait tests for sw_sync framework Emilio López
2016/10/19 [PATCH v2 3/7] selftest: sync: merge tests for sw_sync framework Emilio López
2016/10/19 [PATCH v2 2/7] selftest: sync: fence tests for sw_sync framework Emilio López
2016/10/19 [PATCH v2 1/7] selftest: sync: basic tests for sw_sync framework Emilio López
2016/10/19 [PATCH v2 0/7] Tests for sync infrastructure Emilio López
2016/10/19 [PATCH v2 5/9] of: Add vendor prefix for Netron DY Thierry Reding
2016/10/19 [PATCH v4 1/1] drm/panel: simple: Add nvd9128 as a simple panel Thierry Reding
2016/10/19 [PATCH v4] drm/panel: simple: Add support for AUO t215hvn01 Thierry Reding
2016/10/19 Unix Device Memory Allocation project Nicolai Hähnle
2016/10/19 [PATCH v4 2/2] drm/panel: simple: add support for Sharp LQ150X1LG11 panels Thierry Reding
2016/10/19 [PATCH v4 2/2] drm/panel: simple: add support for Sharp LQ150X1LG11 panels Thierry Reding
2016/10/19 Unix Device Memory Allocation project Christian König
2016/10/19 [PATCH] drm: Fix LSPCON kernel-doc Jani Nikula
2016/10/19 [Intel-gfx] [PATCH] drm: Fix LSPCON kernel-doc Ville Syrjälä
2016/10/19 [PATCH v2] drm/bridge: adv7511: Remove unused code blocks Laurent Pinchart
2016/10/19 [PATCH] drm: Fix LSPCON kernel-doc Jani Nikula
2016/10/19 [PATCH v2] drm/bridge: adv7511: Remove unused code blocks Jitendra Sharma
2016/10/19 [Bug 178281] wine-staging apps freezes the machine with RX460 bugzilla-dae...@bugzilla.kernel.org
2016/10/19 [PATCH 1/2] drm: make is_lspcon_adaptor static Jani Nikula
2016/10/19 [PATCH] drm: fix sparse warnings on undeclared symbols in crc debugfs Jani Nikula
2016/10/19 [Bug 93826] 2560x1440 @144Hz graphic glitches and bad refresh rate bugzilla-dae...@freedesktop.org
2016/10/19 [PATCH 10/10] mm: replace access_process_vm() write parameter with gup_flags Michael Ellerman
2016/10/19 [Bug 93826] 2560x1440 @144Hz graphic glitches and bad refresh rate bugzilla-dae...@freedesktop.org
2016/10/19 [PATCH 10/10] drm/imx: ipuv3-plane: use drm_plane_helper_check_state, clipped coordinates Philipp Zabel
2016/10/19 mm: fix cache mode tracking in vm_insert_mixed() breaks AMDGPU [was: Re: Latest testing with drm-next-4.9-wip and latest LLVM/mesa stack - Regression in PowerPlay/DPM on CIK?] Marek Olšák
2016/10/19 [PATCH 10/10] drm/imx: ipuv3-plane: use drm_plane_helper_check_state, clipped coordinates Ville Syrjälä
2016/10/19 [PATCH] drm: convert DT component matching to component_match_add_release() Russell King
2016/10/19 [PATCH 10/10] drm/imx: ipuv3-plane: use drm_plane_helper_check_state, clipped coordinates Philipp Zabel
2016/10/19 [PATCH 09/10] gpu: ipu-v3: initially clear all interrupts Philipp Zabel
2016/10/19 [PATCH 08/10] drm/imx: ipuv3-plane: add support for YUV 4:2:2 and 4:4:4, NV12, and NV16 formats Philipp Zabel
2016/10/19 [PATCH 07/10] gpu: ipu-v3: add YUV 4:4:4 support Philipp Zabel
2016/10/19 [PATCH 06/10] gpu: ipu-cpmem: remove unused ipu_cpmem_set_yuv_planar function Philipp Zabel
2016/10/19 [PATCH 05/10] drm/imx: ipuv3-plane: let drm_plane_state_to_ubo/vbo handle chroma subsampling other than 4:2:0 Philipp Zabel
2016/10/19 [PATCH 04/10] drm/imx: ipuv3-plane: merge ipu_plane_atomic_set_base into atomic_update Philipp Zabel
2016/10/19 [PATCH 03/10] drm/imx: ipuv3-plane: request modeset if plane offsets changed Philipp Zabel
2016/10/19 [PATCH 02/10] drm/imx: ipuv3-plane: disable local alpha for planes without alpha channel Philipp Zabel
2016/10/19 [PATCH 01/10] drm/imx: ipuv3-plane: make sure x/y offsets are even in case of chroma subsampling Philipp Zabel
2016/10/19 [PATCH V2] gpu/drm/exynos/exynos_hdmi - Unmap region obtained by of_iomap Arvind Yadav
2016/10/19 [PATCH 2/4] drm/i2c: tda998x: Remove obsolete drm_connector_register() call Brian Starkey
2016/10/19 [PATCH 1/2] drm/core: Reuse the reserved member in drm_event_vblank for crtc_id. Maarten Lankhorst
2016/10/19 [PATCH v3 1/5] drm/fsl-dcu: enable TCON bypass mode by default Meng Yi
2016/10/19 [PATCH 2/4] drm/i2c: tda998x: Remove obsolete drm_connector_register() call Russell King - ARM Linux
2016/10/19 [PATCH 8/9] drm/imx: ipuv3-plane: add support for YUV 4:2:2 and 4:4:4, NV12, and NV16 formats Philipp Zabel
2016/10/19 [PATCH v2] drm/arcpgu: Accommodate adv7511 switch to DRM bridge Alexey Brodkin
2016/10/19 [PATCH 1/9] drm/imx: ipuv3-plane: make sure x/y offsets are even in case of chroma subsampling Philipp Zabel
2016/10/19 [PATCH 7/9] gpu: ipu-v3: add YUV 4:4:4 support Philipp Zabel
2016/10/19 [PATCH 1/9] drm/imx: ipuv3-plane: make sure x/y offsets are even in case of chroma subsampling Philipp Zabel
2016/10/19 [PATCH 08/10] mm: replace __access_remote_vm() write parameter with gup_flags Michal Hocko
2016/10/19 [PATCH 2/4] drm/i2c: tda998x: Remove obsolete drm_connector_register() call Laurent Pinchart
2016/10/19 [PATCH v2] drm/arcpgu: Accommodate adv7511 switch to DRM bridge Archit Taneja
2016/10/19 [PATCH 2/4] drm/i2c: tda998x: Remove obsolete drm_connector_register() call Russell King - ARM Linux
2016/10/19 [PATCH 00/10] mm: adjust get_user_pages* functions to explicitly pass FOLL_* flags Michal Hocko
2016/10/19 [PATCH 08/10] mm: replace __access_remote_vm() write parameter with gup_flags Lorenzo Stoakes
2016/10/19 [PATCH 00/10] mm: adjust get_user_pages* functions to explicitly pass FOLL_* flags Lorenzo Stoakes
2016/10/19 [PATCH 2/3] ARM: bus: da8xx-syscfg: new driver Laurent Pinchart
2016/10/19 [PATCH 2/4] drm/i2c: tda998x: Remove obsolete drm_connector_register() call Laurent Pinchart
2016/10/19 [PATCH 08/10] mm: replace __access_remote_vm() write parameter with gup_flags Michal Hocko
2016/10/19 [PATCH 08/10] mm: replace __access_remote_vm() write parameter with gup_flags Lorenzo Stoakes
2016/10/19 [PATCH 2/3] ARM: bus: da8xx-syscfg: new driver Bartosz Golaszewski
2016/10/19 [PATCH 2/4] drm/i2c: tda998x: Remove obsolete drm_connector_register() call Russell King - ARM Linux
2016/10/19 [PATCH 08/10] mm: replace __access_remote_vm() write parameter with gup_flags Michal Hocko
2016/10/19 [PATCH 08/10] mm: replace __access_remote_vm() write parameter with gup_flags Jan Kara
2016/10/19 [PATCH 1/9] drm/imx: ipuv3-plane: make sure x/y offsets are even in case of chroma subsampling Ville Syrjälä
2016/10/19 [PATCH 1/4] drm/tilcdc: Remove obsolete drm_connector_register() calls Laurent Pinchart
2016/10/19 [PATCH 2/4] drm/i2c: tda998x: Remove obsolete drm_connector_register() call Laurent Pinchart
2016/10/19 [PATCH 4/4] drm/tilcdc: Use unload to handle initialization failures Laurent Pinchart
2016/10/19 [PATCH 9/9] gpu: ipu-v3: initially clear all interrupts Ying Liu
2016/10/19 [PATCH 8/9] drm/imx: ipuv3-plane: add support for YUV 4:2:2 and 4:4:4, NV12, and NV16 formats Ying Liu
2016/10/19 [PATCH 7/9] gpu: ipu-v3: add YUV 4:4:4 support Ying Liu
2016/10/19 [PATCH 07/10] mm: replace get_user_pages_remote() write/force parameters with gup_flags Jan Kara
2016/10/19 [PATCH v2] drm/arcpgu: Accommodate adv7511 switch to DRM bridge Eugeniy Paltsev
2016/10/19 [PATCH 6/9] gpu: ipu-cpmem: Add missing YVU422 case to ipu_cpmem_set_yuv_planar Ying Liu
2016/10/19 [PATCH 06/10] mm: replace get_user_pages() write/force parameters with gup_flags Jan Kara
2016/10/19 [PATCH v3 5/5] drm/fsl-dcu: only init fbdev if required Daniel Vetter
2016/10/19 [PATCH 5/9] drm/imx: ipuv3-plane: let drm_plane_state_to_ubo/vbo handle chroma subsampling other than 4:2:0 Ying Liu
2016/10/19 [PATCH 05/10] mm: replace get_vaddr_frames() write/force parameters with gup_flags Jan Kara
2016/10/19 [PATCH 04/10] mm: replace get_user_pages_locked() write/force parameters with gup_flags Jan Kara
2016/10/19 [PATCH 04/10] mm: replace get_user_pages_locked() write/force parameters with gup_flags Jan Kara
2016/10/19 [PATCH 3/4] drm/tilcdc: Stop using struct drm_driver load() callback Daniel Vetter
2016/10/19 [PATCH] gpu: Remove depends on RESET_CONTROLLER when not a provider Daniel Vetter
2016/10/19 [Intel-gfx] [PATCH] i915: don't call drm_atomic_state_put on invalid pointer Daniel Vetter
2016/10/19 [PATCH 4/9] drm/imx: ipuv3-plane: merge ipu_plane_atomic_set_base into atomic_update Ying Liu
2016/10/19 [PATCH 3/9] drm/imx: ipuv3-plane: request modeset if plane offsets changed Ying Liu
2016/10/19 [PATCH 2/9] drm/imx: ipuv3-plane: disable local alpha for planes without alpha channel Ying Liu
2016/10/19 [Bug 178281] wine-staging apps freezes the machine with RX460 bugzilla-dae...@bugzilla.kernel.org
2016/10/19 [PATCH 1/9] drm/imx: ipuv3-plane: make sure x/y offsets are even in case of chroma subsampling Ying Liu