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Make sure the DAC palette width is restored to 6 bit.

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This commit is contained in:
Kazutaka YOKOTA 1999-02-20 03:05:37 +00:00
parent 9b66061508
commit f8d0124124
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=44162
1 changed files with 8 additions and 5 deletions
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13
sys/i386/isa/vesa.c
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@ -23,7 +23,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: vesa.c,v 1.15 1999/01/17 14:12:48 yokota Exp $
* $Id: vesa.c,v 1.17 1999/02/05 12:58:40 yokota Exp $
*/
#include "vga.h"
@ -838,9 +838,9 @@ vesa_save_palette(video_adapter_t *adp, u_char *palette)
if ((adp == vesa_adp) && (vesa_adp_info->v_flags & V_DAC8)
&& ((bits = vesa_bios_set_dac(8)) > 6)) {
error = vesa_bios_save_palette(0, 256, palette, bits);
vesa_bios_set_dac(6);
if (error == 0)
return 0;
vesa_bios_set_dac(6);
}
return (*prevvidsw->save_palette)(adp, palette);
@ -855,9 +855,9 @@ vesa_load_palette(video_adapter_t *adp, u_char *palette)
if ((adp == vesa_adp) && (vesa_adp_info->v_flags & V_DAC8)
&& ((bits = vesa_bios_set_dac(8)) > 6)) {
error = vesa_bios_load_palette(0, 256, palette, bits);
vesa_bios_set_dac(6);
if (error == 0)
return 0;
vesa_bios_set_dac(6);
}
return (*prevvidsw->load_palette)(adp, palette);
@ -1082,9 +1082,12 @@ vesa_unload(void)
s = spltty();
if ((error = vesa_unload_ioctl()) == 0) {
if (vesa_adp != NULL)
if (vesa_adp != NULL) {
if (vesa_adp_info->v_flags & V_DAC8)
vesa_bios_set_dac(6);
vesa_adp->va_flags &= ~V_ADP_VESA;
vidsw[vesa_adp->va_index] = prevvidsw;
vidsw[vesa_adp->va_index] = prevvidsw;
}
}
splx(s);