From f1294585d8e177b25acd028d90f23f335d6695fb Mon Sep 17 00:00:00 2001 From: Nanley Chery Date: Tue, 5 Sep 2017 11:45:07 -0700 Subject: [PATCH] drm/i915/cnl: Allow the reg_read ioctl to read the RCS TIMESTAMP register Git-commit: f1294585d8e177b25acd028d90f23f335d6695fb Patch-mainline: v4.15-rc1 References: FATE#322643 bsc#1055900 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 Cc: Rodrigo Vivi Signed-off-by: Nanley Chery Reviewed-by: Rodrigo Vivi Signed-off-by: Rodrigo Vivi Link: https://patchwork.freedesktop.org/patch/msgid/20170905184507.30046-1-nanley.g.chery@intel.com Acked-by: Takashi Iwai --- drivers/gpu/drm/i915/intel_uncore.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- 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,