drm: lcdif: change burst size to 256B

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If a axi bus master with a higher priority do a lot of memory access
FIFO underruns can be inspected. Increase the burst size to 256B to
avoid such underruns and to improve the memory access efficiency.

Fixes: 9db35bb349 ("drm: lcdif: Add support for i.MX8MP LCDIF variant")
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20221101164615.778299-1-m.felsch@pengutronix.de

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Marco Felsch 2022-11-01 17:46:15 +01:00 • committed by Marek Vasut

parent da7ffb9660

commit 2215cb3be5

2 changed files with 16 additions and 2 deletions

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14

drivers/gpu/drm/mxsfb/lcdif_kms.c

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4

drivers/gpu/drm/mxsfb/lcdif_regs.h

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