Commit a3eb2eba authored Nov 12, 2018 by Lionel Landwerlin Committed by Greg Kroah-Hartman Sep 06, 2019

drm/i915: fix broadwell EU computation



[ Upstream commit 63ac3328f0d1d37f286e397b14d9596ed09d7ca5 ]

subslice_mask is an array indexed by slice, not subslice.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: 8cc76693 ("drm/i915: store all subslice masks")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108712


Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181112123931.2815-1-lionel.g.landwerlin@intel.com


Signed-off-by: Sasha Levin <sashal@kernel.org>

parent c61c7246

drivers/gpu/drm/i915/intel_device_info.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -474,7 +474,7 @@ static void broadwell_sseu_info_init(struct drm_i915_private *dev_priv)
		u8 eu_disabled_mask;
		u32 n_disabled;

		if (!(sseu->subslice_mask[ss] & BIT(ss)))
		if (!(sseu->subslice_mask[s] & BIT(ss)))
		/* skip disabled subslice */
		continue;