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| author | Andrew Ryabinin <ryabinin.a.a@gmail.com> | 2012-09-25 11:41:12 +0400 |
|---|---|---|
| committer | Marcin Bukat <marcin.bukat@gmail.com> | 2012-09-27 09:42:44 +0200 |
| commit | 84134f737fc4643cad5eb50fef3bae0df657f054 (patch) | |
| tree | b2b0b28a4723a2eef9a340f6bc7a18e796ab1b5b /manual/advanced_topics | |
| parent | f636aa07dfb541b5828d44e8168e7b36e5ad8898 (diff) | |
| download | rockbox-84134f737fc4643cad5eb50fef3bae0df657f054.tar.gz rockbox-84134f737fc4643cad5eb50fef3bae0df657f054.zip | |
rk27xx lcd code rework
Use DMA engine for fullscreen updates and bypass mode for partial
updates. This gives major boost on rk27generic:
default ARM:AHB:APB 200:100:50
HEAD 1/1: 26.3fps 1/4: 105.0fps
patched 1/1: 116.5fps 1/4: 249.5fps
with freq scalling NORMAL mode ARM:AHB:APB 50:50:50
HEAD 1/1: 13.1fps 1/4: 52.5fps
patched 1/1: 54.5fps 1/4: 119.0fps
Tested on rk27generic noname DAP and on Hifimans.
Change-Id: Id9dd4d2d61542c7ea6b5c6336b170d6357cefde9
Diffstat (limited to 'manual/advanced_topics')
0 files changed, 0 insertions, 0 deletions