Re: [v3,4/5] fbdev: Improve performance of cfb_imageblit()

2022-03-13 Thread Thomas Zimmermann
Hi Geert Am 10.03.22 um 20:23 schrieb Geert Uytterhoeven: [...] How do I activate the 7x14 font? It's compiled into the kernel already (CONFIG_FONT_7x14=y). Documentation/fb/fbcon.rst:1. fbcon=font: Or just disable all other fonts. Thanks. I've been able to reproduce the problem and will

Re: [v3,4/5] fbdev: Improve performance of cfb_imageblit()

2022-03-10 Thread Geert Uytterhoeven
Hi Thomas, On Thu, Mar 10, 2022 at 8:22 PM Thomas Zimmermann wrote: > Am 09.03.22 um 11:39 schrieb Geert Uytterhoeven: > > On Wed, Mar 9, 2022 at 10:22 AM Marek Szyprowski > > wrote: > >> On 09.03.2022 09:22, Thomas Zimmermann wrote: > >>> Am 08.03.22 um 23:52 schrieb Marek Szyprowski: >

Re: [v3,4/5] fbdev: Improve performance of cfb_imageblit()

2022-03-10 Thread Thomas Zimmermann
Hi Am 09.03.22 um 11:39 schrieb Geert Uytterhoeven: Hi Marek, On Wed, Mar 9, 2022 at 10:22 AM Marek Szyprowski wrote: On 09.03.2022 09:22, Thomas Zimmermann wrote: Am 08.03.22 um 23:52 schrieb Marek Szyprowski: On 23.02.2022 20:38, Thomas Zimmermann wrote: Improve the performance of

Re: [v3,4/5] fbdev: Improve performance of cfb_imageblit()

2022-03-09 Thread Geert Uytterhoeven
Hi Marek, On Wed, Mar 9, 2022 at 10:22 AM Marek Szyprowski wrote: > On 09.03.2022 09:22, Thomas Zimmermann wrote: > > Am 08.03.22 um 23:52 schrieb Marek Szyprowski: > >> On 23.02.2022 20:38, Thomas Zimmermann wrote: > >>> Improve the performance of cfb_imageblit() by manually unrolling > >>> the

Re: [v3,4/5] fbdev: Improve performance of cfb_imageblit()

2022-03-09 Thread Marek Szyprowski
Hi, On 09.03.2022 09:22, Thomas Zimmermann wrote: > Am 08.03.22 um 23:52 schrieb Marek Szyprowski: >> On 23.02.2022 20:38, Thomas Zimmermann wrote: >>> Improve the performance of cfb_imageblit() by manually unrolling >>> the inner blitting loop and moving some invariants out. The compiler >>>

Re: [v3,4/5] fbdev: Improve performance of cfb_imageblit()

2022-03-09 Thread Thomas Zimmermann
Hi Am 08.03.22 um 23:52 schrieb Marek Szyprowski: Hi Thomas, On 23.02.2022 20:38, Thomas Zimmermann wrote: Improve the performance of cfb_imageblit() by manually unrolling the inner blitting loop and moving some invariants out. The compiler failed to do this automatically. This change keeps

Re: [v3,4/5] fbdev: Improve performance of cfb_imageblit()

2022-03-08 Thread Marek Szyprowski
Hi Thomas, On 23.02.2022 20:38, Thomas Zimmermann wrote: > Improve the performance of cfb_imageblit() by manually unrolling > the inner blitting loop and moving some invariants out. The compiler > failed to do this automatically. This change keeps cfb_imageblit() > in sync with sys_imagebit(). >