From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Avoid redundant crtc->pipe lookups by giving vlv_enable_pll() a local
pipe variable. Also makes it look more like the corresponding CHV code.
While at is change the CHV code to enum pipe from int,
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 18158b0324ed..638ce97777de 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1572,24 +1572,25 @@ static void vlv_enable_pll(struct intel_crtc *crtc,
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- i915_reg_t reg = DPLL(crtc->pipe);
+ enum pipe pipe = crtc->pipe;
+ i915_reg_t reg = DPLL(pipe);
u32 dpll = pipe_config->dpll_hw_state.dpll;
- assert_pipe_disabled(dev_priv, crtc->pipe);
+ assert_pipe_disabled(dev_priv, pipe);
/* PLL is protected by panel, make sure we can write it */
if (IS_MOBILE(dev_priv->dev))
- assert_panel_unlocked(dev_priv, crtc->pipe);
+ assert_panel_unlocked(dev_priv, pipe);
I915_WRITE(reg, dpll);
POSTING_READ(reg);
udelay(150);
if (wait_for(((I915_READ(reg) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1))
- DRM_ERROR("DPLL %d failed to lock\n", crtc->pipe);
+ DRM_ERROR("DPLL %d failed to lock\n", pipe);
- I915_WRITE(DPLL_MD(crtc->pipe), pipe_config->dpll_hw_state.dpll_md);
- POSTING_READ(DPLL_MD(crtc->pipe));
+ I915_WRITE(DPLL_MD(pipe), pipe_config->dpll_hw_state.dpll_md);
+ POSTING_READ(DPLL_MD(pipe));
/* We do this three times for luck */
I915_WRITE(reg, dpll);
@@ -1608,11 +1609,11 @@ static void chv_enable_pll(struct intel_crtc *crtc,
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- int pipe = crtc->pipe;
+ enum pipe pipe = crtc->pipe;
enum dpio_channel port = vlv_pipe_to_channel(pipe);
u32 tmp;
- assert_pipe_disabled(dev_priv, crtc->pipe);
+ assert_pipe_disabled(dev_priv, pipe);
mutex_lock(&dev_priv->sb_lock);
--
2.4.10
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