From: Ville Syrjälä <[email protected]>

Can't think of a good reason why we'd need to program the FP
dividers so early. Let's just do it when programming the rest
of the DPLL.

Signed-off-by: Ville Syrjälä <[email protected]>
---
 drivers/gpu/drm/i915/display/intel_display.c | 13 -------------
 drivers/gpu/drm/i915/display/intel_dpll.c    |  3 +++
 2 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
b/drivers/gpu/drm/i915/display/intel_display.c
index d5bc1e32b2ba..f54cb0521f6a 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -3956,17 +3956,6 @@ static void valleyview_crtc_enable(struct 
intel_atomic_state *state,
        intel_encoders_enable(state, crtc);
 }
 
-static void i9xx_set_pll_dividers(const struct intel_crtc_state *crtc_state)
-{
-       struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
-       struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-
-       intel_de_write(dev_priv, FP0(crtc->pipe),
-                      crtc_state->dpll_hw_state.fp0);
-       intel_de_write(dev_priv, FP1(crtc->pipe),
-                      crtc_state->dpll_hw_state.fp1);
-}
-
 static void i9xx_crtc_enable(struct intel_atomic_state *state,
                             struct intel_crtc *crtc)
 {
@@ -3978,8 +3967,6 @@ static void i9xx_crtc_enable(struct intel_atomic_state 
*state,
        if (drm_WARN_ON(&dev_priv->drm, crtc->active))
                return;
 
-       i9xx_set_pll_dividers(new_crtc_state);
-
        if (intel_crtc_has_dp_encoder(new_crtc_state))
                intel_dp_set_m_n(new_crtc_state, M1_N1);
 
diff --git a/drivers/gpu/drm/i915/display/intel_dpll.c 
b/drivers/gpu/drm/i915/display/intel_dpll.c
index 543890050040..1776c47aa2ba 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll.c
@@ -1404,6 +1404,9 @@ void i9xx_enable_pll(const struct intel_crtc_state 
*crtc_state)
        if (i9xx_has_pps(dev_priv))
                assert_panel_unlocked(dev_priv, pipe);
 
+       intel_de_write(dev_priv, FP0(pipe), crtc_state->dpll_hw_state.fp0);
+       intel_de_write(dev_priv, FP1(pipe), crtc_state->dpll_hw_state.fp1);
+
        /*
         * Apparently we need to have VGA mode enabled prior to changing
         * the P1/P2 dividers. Otherwise the DPLL will keep using the old
-- 
2.31.1

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