diff options
| author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2013-12-16 16:34:24 -0800 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-12-17 09:34:17 +0100 |
| commit | 5382f5f35e73e5c7ac486824d1e26a2f44de0eec (patch) | |
| tree | dd1962f6cb4edbfd0c6618e6515853cf4e142ed5 | |
| parent | f42bb70d4ff976b134fcbfb50301a87e7523f042 (diff) | |
drm/i915/vlv: split DPIO init and reset
We only need to init the reg offset for DPIO once, but we need to reset
DPIO at resume time and at init time.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 9405340369d..066fc9ddbd2 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1372,6 +1372,15 @@ static void intel_init_dpio(struct drm_device *dev) DPLL_INTEGRATED_CRI_CLK_VLV); DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO; +} + +static void intel_reset_dpio(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + if (!IS_VALLEYVIEW(dev)) + return; + /* * From VLV2A0_DP_eDP_DPIO_driver_vbios_notes_10.docx - * 6. De-assert cmn_reset/side_reset. Same as VLV X0. @@ -10809,7 +10818,7 @@ void intel_modeset_init_hw(struct drm_device *dev) intel_init_clock_gating(dev); - intel_init_dpio(dev); + intel_reset_dpio(dev); mutex_lock(&dev->struct_mutex); intel_enable_gt_powersave(dev); @@ -10872,6 +10881,7 @@ void intel_modeset_init(struct drm_device *dev) } intel_init_dpio(dev); + intel_reset_dpio(dev); intel_cpu_pll_init(dev); intel_shared_dpll_init(dev); |