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| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-10-22 21:56:43 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-10-25 20:17:11 +0300 |
| commit | dd5279c71405533d4ddbb9453effc60f0f5bf211 (patch) | |
| tree | 1dce0a905433b5679d5731ff6945b34d665af2d8 /drivers/gpu/drm/i915/i915_drv.h | |
| parent | 2728200f48d315748b4fb2b2525e1ac211e97ecf (diff) | |
| download | linux-dd5279c71405533d4ddbb9453effc60f0f5bf211.tar.bz2 | |
drm/i915: Fix PCH reference clock for FDI on HSW/BDW
The change to skip the PCH reference initialization during fastboot
did end up breaking FDI. To fix that let's try to do the PCH reference
init whenever we're disabling a DPLL that was using said reference
previously.
Cc: stable@vger.kernel.org
Tested-by: Andrija <akijo97@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=112084
Fixes: b16c7ed95caf ("drm/i915: Do not touch the PCH SSC reference if a PLL is using it")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191022185643.1483-1-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 16e58a74fa6f..8622b4567aa5 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1353,6 +1353,8 @@ struct drm_i915_private { } contexts; } gem; + u8 pch_ssc_use; + /* For i915gm/i945gm vblank irq workaround */ u8 vblank_enabled; |