drm/i915/icl: Do not change reserved registers related to PSR2
authorJosé Roberto de Souza <jose.souza@intel.com>
Tue, 4 Dec 2018 00:33:59 +0000 (16:33 -0800)
committerJosé Roberto de Souza <jose.souza@intel.com>
Tue, 4 Dec 2018 20:12:32 +0000 (12:12 -0800)
commitd15f9cdd59bab73e7edadee794efdd47bcbc1a7a
tree05b964777391579c996e46defffab200477eb56d
parent98751b8cd608a38f810e190c58c94906923ff668
drm/i915/icl: Do not change reserved registers related to PSR2

For ICL the bit 12 of CHICKEN_TRANS is reserved so we should not
touch it and as by default VSC_DATA_SEL_SOFTWARE_CONTROL is already
unset in gen10 + GLK we can just drop it and fix for both gens.

Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181204003403.23361-5-jose.souza@intel.com
drivers/gpu/drm/i915/intel_psr.c