Messages in this thread | | | Date | Tue, 15 Mar 2022 15:50:10 +0200 | From | Andy Shevchenko <> | Subject | Re: [PATCH 4/5] drm: ssd130x: Reduce temporary buffer sizes |
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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
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