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TGL Surface sharing methodology update on TGL #997

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Guangyao-Bai opened this issue Jul 9, 2020 · 3 comments
Closed

TGL Surface sharing methodology update on TGL #997

Guangyao-Bai opened this issue Jul 9, 2020 · 3 comments

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@Guangyao-Bai
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TGL will use memory type VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME_2 for surface sharing with compression/tiling etc. info. thus may need outside user upgrate the memory type supporting logic when usages include more than 2 component like media + Mesa.
@Sherry-Lin
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This interface upgrade is necessary in DMA buffer sharing for ffmpeg/gstreamer. Detail information as below.

@Sherry-Lin
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If you want to know more about compression info sharing, you could access https://github.com/intel/media-driver/wiki/Compression-Info-Sharing

@Sherry-Lin
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If you have to disable memory compression, you could revert 50c8454 (#970 ), but the driver health is not qualified in test.

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3 participants
@XinfengZhang @Sherry-Lin @Guangyao-Bai