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

Paulo Zanoni
2018-01-09T23:29:26Z

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@intel.com>
Cc: Nanley Chery <nanley.g.chery@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Requested-by: Anuj Phogat <anuj.phogat@intel.com>
Tested-by: Anuj Phogat <anuj.phogat@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@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