From: Ville Syrjälä <[email protected]>

Get rid of the local 'reg' variable for the DPLL control register
in i9xx_enable_pll(). We have other registers in there too so this
is just making things more confusing.

Signed-off-by: Ville Syrjälä <[email protected]>
---
 drivers/gpu/drm/i915/display/intel_dpll.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dpll.c 
b/drivers/gpu/drm/i915/display/intel_dpll.c
index 10d5519626a4..2f6903ec0a9f 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll.c
@@ -1392,30 +1392,30 @@ void i9xx_enable_pll(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);
-       i915_reg_t reg = DPLL(crtc->pipe);
        u32 dpll = crtc_state->dpll_hw_state.dpll;
+       enum pipe pipe = crtc->pipe;
        int i;
 
        assert_pipe_disabled(dev_priv, crtc_state->cpu_transcoder);
 
        /* PLL is protected by panel, make sure we can write it */
        if (i9xx_has_pps(dev_priv))
-               assert_panel_unlocked(dev_priv, crtc->pipe);
+               assert_panel_unlocked(dev_priv, pipe);
 
        /*
         * Apparently we need to have VGA mode enabled prior to changing
         * the P1/P2 dividers. Otherwise the DPLL will keep using the old
         * dividers, even though the register value does change.
         */
-       intel_de_write(dev_priv, reg, dpll & ~DPLL_VGA_MODE_DIS);
-       intel_de_write(dev_priv, reg, dpll);
+       intel_de_write(dev_priv, DPLL(pipe), dpll & ~DPLL_VGA_MODE_DIS);
+       intel_de_write(dev_priv, DPLL(pipe), dpll);
 
        /* Wait for the clocks to stabilize. */
-       intel_de_posting_read(dev_priv, reg);
+       intel_de_posting_read(dev_priv, DPLL(pipe));
        udelay(150);
 
        if (DISPLAY_VER(dev_priv) >= 4) {
-               intel_de_write(dev_priv, DPLL_MD(crtc->pipe),
+               intel_de_write(dev_priv, DPLL_MD(pipe),
                               crtc_state->dpll_hw_state.dpll_md);
        } else {
                /* The pixel multiplier can only be updated once the
@@ -1423,13 +1423,13 @@ void i9xx_enable_pll(const struct intel_crtc_state 
*crtc_state)
                 *
                 * So write it again.
                 */
-               intel_de_write(dev_priv, reg, dpll);
+               intel_de_write(dev_priv, DPLL(pipe), dpll);
        }
 
        /* We do this three times for luck */
        for (i = 0; i < 3; i++) {
-               intel_de_write(dev_priv, reg, dpll);
-               intel_de_posting_read(dev_priv, reg);
+               intel_de_write(dev_priv, DPLL(pipe), dpll);
+               intel_de_posting_read(dev_priv, DPLL(pipe));
                udelay(150); /* wait for warmup */
        }
 }
-- 
2.31.1

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