drm/i915/display: Implement new combo phy initialization step

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This is new step that was recently added to the combo phy
initialization.

v2:
- using intel_de_rmw()

v3:
- going back to read() modify and write() as group register can't be
read

BSpec: 49291
Cc: Clinton A Taylor <clinton.a.taylor@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200625195252.39312-1-jose.souza@intel.com

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This commit is contained in:

José Roberto de Souza 2020-06-25 12:52:52 -07:00

parent a3a4028406

commit 239bef676d

2 changed files with 34 additions and 0 deletions

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25

drivers/gpu/drm/i915/display/intel_combo_phy.c

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9

drivers/gpu/drm/i915/i915_reg.h

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