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viafb: reduce viafb_set_iga_path usage

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The result of viafb_set_iga_path can change after init only in the
hotplug ioctl. So we can move it there rather than doing it always
when a new mode is set. The setup during init is done via a call
from the init chip funtion.
This change enables a stable mapping between the old device scheme
and a new more powerfull one.

Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Joseph Chan <JosephChan@via.com.tw>
This commit is contained in:
Florian Tobias Schandinat 2010-08-10 00:45:06 +00:00
parent f4ab2f7a21
commit 661c65cd0c
2 changed files with 2 additions and 1 deletions
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1
drivers/video/via/hw.c
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@ -2313,7 +2313,6 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
via_write_reg(VIASR, i, VPIT.SR[i - 1]);
viafb_write_reg_mask(0x15, VIASR, 0xA2, 0xA2);
viafb_set_iga_path();
/* Write CRTC */
viafb_fill_crtc_timing(crt_timing, vmode_tbl, video_bpp / 8, IGA1);

2
drivers/video/via/ioctl.c
View File

@ -94,6 +94,7 @@ int viafb_ioctl_hotplug(int hres, int vres, int bpp)
viafb_CRT_ON = 0;
viafb_LCD_ON = 0;
viafb_DeviceStatus = DVI_Device;
viafb_set_iga_path();
return viafb_DeviceStatus;
}
status = 1;
@ -107,6 +108,7 @@ int viafb_ioctl_hotplug(int hres, int vres, int bpp)
viafb_LCD_ON = 0;
viafb_DeviceStatus = CRT_Device;
viafb_set_iga_path();
return viafb_DeviceStatus;
}