Author: jhibbits
Date: Sun Apr 6 23:57:19 2014
New Revision: 264207
URL: http://svnweb.freebsd.org/changeset/base/264207
Log:
Clear the backlight level when it's turned off. Also, reduce the delay times
to
less conservative values, also found in the radeonkms driver.
MFC after: 2 weeks
X-MFC-with: r264205
Modified:
head/sys/powerpc/powermac/atibl.c
Modified: head/sys/powerpc/powermac/atibl.c
==============================================================================
--- head/sys/powerpc/powermac/atibl.c Sun Apr 6 23:22:42 2014
(r264206)
+++ head/sys/powerpc/powermac/atibl.c Sun Apr 6 23:57:19 2014
(r264207)
@@ -235,21 +235,21 @@ atibl_setlevel(struct atibl_softc *sc, i
lvds_gen_cntl |= (newlevel << RADEON_LVDS_BL_MOD_LEVEL_SHIFT) &
RADEON_LVDS_BL_MOD_LEVEL_MASK;
lvds_gen_cntl |= RADEON_LVDS_BL_MOD_EN;
- DELAY(2000000);
+ DELAY(200000);
bus_write_4(sc->sc_memr, RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
} else {
pixclks_cntl = atibl_pll_rreg(sc, RADEON_PIXCLKS_CNTL);
atibl_pll_wreg(sc, RADEON_PIXCLKS_CNTL,
pixclks_cntl & ~RADEON_PIXCLK_LVDS_ALWAYS_ONb);
lvds_gen_cntl |= RADEON_LVDS_DISPLAY_DIS;
- lvds_gen_cntl &= ~RADEON_LVDS_BL_MOD_EN;
+ lvds_gen_cntl &= ~(RADEON_LVDS_BL_MOD_EN |
RADEON_LVDS_BL_MOD_LEVEL_MASK);
bus_write_4(sc->sc_memr, RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_EN);
- DELAY(2000000);
+ DELAY(200000);
bus_write_4(sc->sc_memr, RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
atibl_pll_wreg(sc, RADEON_PIXCLKS_CNTL, pixclks_cntl);
- DELAY(2000000);
+ DELAY(200000);
}
return (0);
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