Files
u-boot/drivers
Simon Glass e68bb75109 video: Optimise video_flush_copy() for full-line damage
When copying partial framebuffer regions line by line, there is overhead
from multiple memcpy() calls.

Optimise video_flush_copy() to detect when entire lines are being copied
(damage spans full width) and perform a single memcpy() for the whole
region instead of looping line by line.

Also invert the early-exit check to reduce nesting.

Co-developed-by: Claude <noreply@anthropic.com>
Signed-off-by: Simon Glass <simon.glass@canonical.com>
2026-01-03 12:39:14 -07:00
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