From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
There's no LVDS port on 830M so don't go reading the LVDS control
register.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 9f8c5b5..e29d24f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7963,7 +7963,7 @@ static void i9xx_crtc_clock_get(struct intel_crtc *crtc,
else
i9xx_clock(refclk, &clock);
} else {
- u32 lvds = I915_READ(LVDS);
+ u32 lvds = IS_I830(dev) ? 0 : I915_READ(LVDS);
bool is_lvds = (pipe == 1) && (lvds & LVDS_PORT_EN);
if (is_lvds) {
--
1.8.3.2
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