Commit f40ebd6b authored by Patrik Jakobsson's avatar Patrik Jakobsson Committed by Daniel Vetter
Browse files

drm/i915: Turn off hsync and vsync on ADPA when disabling crt



According to PRM we need to disable hsync and vsync even though ADPA is
disabled. The previous code did infact do the opposite so we fix it.
Signed-off-by: default avatarPatrik Jakobsson <patrik.r.jakobsson@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=56359

Tested-by: default avatarmax <manikulin@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 60222c0c
......@@ -88,7 +88,7 @@ static void intel_disable_crt(struct intel_encoder *encoder)
u32 temp;
temp = I915_READ(crt->adpa_reg);
temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE);
temp |= ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE;
temp &= ~ADPA_DAC_ENABLE;
I915_WRITE(crt->adpa_reg, temp);
}
......
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