diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 794690c0dba5..13a92a3acb73 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -6319,7 +6319,6 @@ static void i9xx_crtc_clock_get(struct intel_crtc *crtc, { struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); - enum pipe pipe = crtc->pipe; u32 dpll = pipe_config->dpll_hw_state.dpll; u32 fp; struct dpll clock; @@ -6369,11 +6368,13 @@ static void i9xx_crtc_clock_get(struct intel_crtc *crtc, else port_clock = i9xx_calc_dpll_params(refclk, &clock); } else { - u32 lvds = IS_I830(dev_priv) ? 0 : intel_de_read(dev_priv, - LVDS); - bool is_lvds = (pipe == 1) && (lvds & LVDS_PORT_EN); + enum pipe lvds_pipe; + + if (IS_I85X(dev_priv) && + intel_lvds_port_enabled(dev_priv, LVDS, &lvds_pipe) && + lvds_pipe == crtc->pipe) { + u32 lvds = intel_de_read(dev_priv, LVDS); - if (is_lvds) { clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> DPLL_FPA01_P1_POST_DIV_SHIFT); |