drm/i915/dsb: Check DSB engine status.

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As per bspec check for DSB status before programming any
of its register. Inline function added to check the dsb status.

Cc: Michel Thierry <michel.thierry@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Shashank Sharma <shashank.sharma@intel.com>
Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190920115930.27829-6-animesh.manna@intel.com

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Animesh Manna 2019-09-20 17:29:25 +05:30 • committed by Jani Nikula

parent b27a96ad72

commit a6e58d9a2e

2 changed files with 16 additions and 0 deletions

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9

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

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7

drivers/gpu/drm/i915/i915_reg.h

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