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drm/gma500/mrst: Replace WMs and chickenbits with values from EMGD

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For the minnowboard to work the values found in EMGD are required.
This might break Oaktrail but without hardware to test with I cannot
really tell (and do not really care).

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
This commit is contained in:
Patrik Jakobsson
2013-11-07 02:34:12 +01:00
parent fb8e34d561
commit 99d754bb46
1 changed files with 6 additions and 7 deletions
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13
drivers/gpu/drm/gma500/oaktrail_crtc.c
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@@ -332,16 +332,15 @@ static void oaktrail_crtc_dpms(struct drm_crtc *crtc, int mode)
break; break;
} }
/*Set FIFO Watermarks*/ /* Set FIFO Watermarks (values taken from EMGD) */
REG_WRITE(DSPARB, 0x3FFF); REG_WRITE(DSPARB, 0x3f80);
REG_WRITE(DSPFW1, 0x3F88080A); REG_WRITE(DSPFW1, 0x3f8f0404);
REG_WRITE(DSPFW2, 0x0b060808); REG_WRITE(DSPFW2, 0x04040f04);
REG_WRITE(DSPFW3, 0x0); REG_WRITE(DSPFW3, 0x0);
REG_WRITE(DSPFW4, 0x08030404); REG_WRITE(DSPFW4, 0x04040404);
REG_WRITE(DSPFW5, 0x04040404); REG_WRITE(DSPFW5, 0x04040404);
REG_WRITE(DSPFW6, 0x78); REG_WRITE(DSPFW6, 0x78);
REG_WRITE(0x70400, REG_READ(0x70400) | 0x4000); REG_WRITE(DSPCHICKENBIT, REG_READ(DSPCHICKENBIT) | 0xc040);
/* Must write Bit 14 of the Chicken Bit Register */
gma_power_end(dev); gma_power_end(dev);
} }