[Intel-gfx] [PATCH v4 0/4] Enable Dynamic cdclk and HDA together on GLK

Kumar, Abhay abhay.kumar at intel.com
Thu Jun 14 21:14:38 UTC 2018


Hi Ville,

Looks like we have right fix from audio and we will not need powerwell 2 
reset workaround when changing cdclk.

we need only one patch in this series to get merged.

drm/i915: Force 2*96 MHz cdclk on glk/cnl when audio power is enabled.

Regards,
Abhay



On 6/13/2018 11:41 AM, Abhay Kumar wrote:
> Patches needed to change cdclk to 2*BCLK before accessing HDA Codec.
>
> Ville Syrjälä (4):
>    drm/i915: Force 2*96 MHz cdclk on glk/cnl when audio power is enabled
>    drm/i915: Introduce for_each_intel_dp()
>    drm/i915: Lock gmbus/aux mutexes while changing cdclk
>    drm/i915: Shut off PW2 when changing cdclk on glk
>
>   drivers/gpu/drm/i915/i915_drv.c         |  1 +
>   drivers/gpu/drm/i915/i915_drv.h         |  3 ++
>   drivers/gpu/drm/i915/i915_reg.h         |  4 ++
>   drivers/gpu/drm/i915/intel_audio.c      | 67 ++++++++++++++++++++++++++++++--
>   drivers/gpu/drm/i915/intel_cdclk.c      | 68 +++++++++++++++++++++++----------
>   drivers/gpu/drm/i915/intel_display.c    |  7 +++-
>   drivers/gpu/drm/i915/intel_display.h    |  4 ++
>   drivers/gpu/drm/i915/intel_dp.c         | 38 ++++--------------
>   drivers/gpu/drm/i915/intel_drv.h        | 21 ++++++++++
>   drivers/gpu/drm/i915/intel_i2c.c        |  1 -
>   drivers/gpu/drm/i915/intel_runtime_pm.c | 34 +++++++++++++++++
>   11 files changed, 191 insertions(+), 57 deletions(-)
>



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