[PATCH 4/5] drm: ssd130x: Reduce temporary buffer sizes

[Andy Shevchenko]

On Tue, Mar 15, 2022 at 12:07:06PM +0100, Geert Uytterhoeven wrote:
> ssd130x_clear_screen() allocates a temporary buffer sized to hold one
> byte per pixel, while it only needs to hold one bit per pixel.
> 
> ssd130x_fb_blit_rect() allocates a temporary buffer sized to hold one
> byte per pixel for the whole frame buffer, while it only needs to hold
> one bit per pixel for the part that is to be updated.
> Pass dst_pitch to drm_fb_xrgb8888_to_mono_reversed(), as we have already
> calculated it anyway.

Can we use bitmap API? bitmap_zalloc() / etc ?


-- 
With Best Regards,
Andy Shevchenko