[Intel-gfx] [PATCH 26/27] drm/i915/icl: allow the reg_read ioctl to read the RCS TIMESTAMP register

[Paulo Zanoni]

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

Based on the CNL patch by Nanley Chery.

v2: Rebase.

Cc: Anuj Phogat <anuj.phogat at intel.com>
Cc: Nanley Chery <nanley.g.chery at intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
Requested-by: Anuj Phogat <anuj.phogat at intel.com>
Tested-by: Anuj Phogat <anuj.phogat at intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
---
 drivers/gpu/drm/i915/intel_uncore.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index c49beb326414..ae1196b6e1f4 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -1588,7 +1588,7 @@ static const struct reg_whitelist {
 } reg_read_whitelist[] = { {
 	.offset_ldw = RING_TIMESTAMP(RENDER_RING_BASE),
 	.offset_udw = RING_TIMESTAMP_UDW(RENDER_RING_BASE),
-	.gen_mask = INTEL_GEN_MASK(4, 10),
+	.gen_mask = INTEL_GEN_MASK(4, 11),
 	.size = 8
 } };
 
-- 
2.14.3