Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit f1294585 authored by Nanley Chery's avatar Nanley Chery Committed by Rodrigo Vivi
Browse files

drm/i915/cnl: Allow the reg_read ioctl to read the RCS TIMESTAMP register 



This enables the Mesa driver to advertise support for ARB_timer_query, and
thus an OpenGL version higher than 3.2.

Suggested-by: default avatarBen Widawsky <ben@bwidawsk.net>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: default avatarNanley Chery <nanley.g.chery@intel.com>
Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170905184507.30046-1-nanley.g.chery@intel.com
parent 5d95c248

drivers/gpu/drm/i915/intel_uncore.c

+1 −1
Original line number Diff line number Diff line
@@ -1251,7 +1251,7 @@ static const struct register_whitelist { 
} whitelist[] = {

	{ .offset_ldw = RING_TIMESTAMP(RENDER_RING_BASE),

	  .offset_udw = RING_TIMESTAMP_UDW(RENDER_RING_BASE),

	  .size = 8, .gen_bitmask = GEN_RANGE(4, 9) },

	  .size = 8, .gen_bitmask = GEN_RANGE(4, 10) },

};



int i915_reg_read_ioctl(struct drm_device *dev,