drm/i915/icl: Fix DDI/TC port clk_off bits

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DDI/TC clock-off bits are not equally distanced. TC1-3 bits are
from offset 12 & TC4 is at offset 21.
Create a function to choose correct clk-off bit.

v2: Add fixes tag (Lucas)

Fixes: c27e917e2b ("drm/i915/icl: add basic support for the ICL clocks")
Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181016023752.9285-1-lucas.demarchi@intel.com
(cherry picked from commit bb1c7edc6d)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

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This commit is contained in:

Mahesh Kumar 2018-10-15 19:37:52 -07:00 • committed by Joonas Lahtinen

parent a9b84b4492

commit 83db373853

2 changed files with 21 additions and 3 deletions

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3

drivers/gpu/drm/i915/i915_reg.h

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21

drivers/gpu/drm/i915/intel_ddi.c

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