diff options
| author | Olof Johansson <olof@lixom.net> | 2012-05-10 00:21:11 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-05-10 00:23:17 -0700 |
| commit | caafc71b1a25096ef74904adb19d37e5c6a282dc (patch) | |
| tree | 17f0602c6e04fdec78c50a1c2cbd70a0303ed2c6 /drivers/gpu/drm/i915/intel_display.c | |
| parent | af568679f51de779d0e9ad7d8360dc7727da546d (diff) | |
| parent | bcd59b0f0c14b0584c1213ee3b53d5f84517c419 (diff) | |
Merge tag 'v3.5-soc' of git://gitorious.org/linux-davinci/linux-davinci into next/drivers
DaVinci SoC updates for v3.5
This pull request updates the DaVinci SoC support to implement DEBUG_LL port
choice and optimizes the DMA ISR by removing unnecessary register reads.
* tag 'v3.5-soc' of git://gitorious.org/linux-davinci/linux-davinci:
ARM: davinci: optimize the DMA ISR
ARM: davinci: implement DEBUG_LL port choice
+ sync with Linux 3.4-rc6
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 5908cd56340..1b1cf3b3ff5 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -7072,9 +7072,6 @@ static void intel_decrease_pllclock(struct drm_crtc *crtc) struct drm_device *dev = crtc->dev; drm_i915_private_t *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - int pipe = intel_crtc->pipe; - int dpll_reg = DPLL(pipe); - int dpll = I915_READ(dpll_reg); if (HAS_PCH_SPLIT(dev)) return; @@ -7087,10 +7084,15 @@ static void intel_decrease_pllclock(struct drm_crtc *crtc) * the manual case. */ if (!HAS_PIPE_CXSR(dev) && intel_crtc->lowfreq_avail) { + int pipe = intel_crtc->pipe; + int dpll_reg = DPLL(pipe); + u32 dpll; + DRM_DEBUG_DRIVER("downclocking LVDS\n"); assert_panel_unlocked(dev_priv, pipe); + dpll = I915_READ(dpll_reg); dpll |= DISPLAY_RATE_SELECT_FPA1; I915_WRITE(dpll_reg, dpll); intel_wait_for_vblank(dev, pipe); @@ -7098,7 +7100,6 @@ static void intel_decrease_pllclock(struct drm_crtc *crtc) if (!(dpll & DISPLAY_RATE_SELECT_FPA1)) DRM_DEBUG_DRIVER("failed to downclock LVDS!\n"); } - } /** |