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From: | Gerd Hoffmann |
Subject: | Re: [Qemu-devel] [PATCH 4/9] fbdev: add linux framebuffer display driver. |
Date: | Fri, 21 Sep 2012 14:28:34 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:10.0.7) Gecko/20120825 Thunderbird/10.0.7 |
Hi, >> + case FB_ACQ_REQ: >> + fbdev_switch_acquire(); >> + redraw_screen++; > > Rather than introducing redraw_screen, I would just call vga_hw_invalidate > instead here. It is always a win if we can avoid to introduce one more > state machine. Wouldn't that make the vga emulation do additional work which is simply not needed? cheers, Gerd
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