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VIDEO: better document the correct use of CONFIG_FB_ADDR 

Signed-off-by: Wolfgang Denk <wd@denx.de>
cc: Anatolij Gustschin <agust@denx.de>
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Wolfgang Denk 2013-01-03 00:43:59 +00:00 committed by Anatolij Gustschin
parent dad631ccf7
commit 44a53b5743
1 changed files with 7 additions and 4 deletions
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@ -2714,10 +2714,13 @@ FIT uImage format:
CONFIG_FB_ADDR CONFIG_FB_ADDR
Define CONFIG_FB_ADDR if you want to use specific Define CONFIG_FB_ADDR if you want to use specific
address for frame buffer. address for frame buffer. This is typically the case
Then system will reserve the frame buffer address to when using a graphics controller has separate video
defined address instead of lcd_setmem (this function memory. U-Boot will then place the frame buffer at
grabs the memory for frame buffer by panel's size). the given address instead of dynamically reserving it
in system RAM by calling lcd_setmem(), which grabs
the memory for the frame buffer depending on the
configured panel size.
Please see board_init_f function. Please see board_init_f function.