[PATCH] drm/i915/cnl: Allow the reg_read ioctl to read the RCS TIMESTAMP register
Rodrigo Vivi
rodrigo.vivi at intel.com
Wed Sep 6 18:37:37 UTC 2017
From: Nanley Chery <nanley.g.chery at intel.com>
This enables the Mesa driver to advertise support for ARB_timer_query, and
thus an OpenGL version higher than 3.2.
Suggested-by: Ben Widawsky <ben at bwidawsk.net>
Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
Signed-off-by: Nanley Chery <nanley.g.chery at intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170905184507.30046-1-nanley.g.chery@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 1d7b879cc68c..0529af7cfbb8 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -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,
--
2.13.2
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