From 9b7598a99ab4bbc09a4691b06d79fc21210fb22c Mon Sep 17 00:00:00 2001 From: Bob Paauwe Date: Fri, 22 Mar 2019 10:58:46 -0700 Subject: [PATCH] drm/i915/ehl: Set proper eu slice/subslice parameters for EHL MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit EHL has a different number of subslices. Cc: Lucas De Marchi Signed-off-by: Bob Paauwe Signed-off-by: Rodrigo Vivi Reviewed-by: Lucas De Marchi Reviewed-by: José Roberto de Souza Link: https://patchwork.freedesktop.org/patch/msgid/20190322175847.25707-5-rodrigo.vivi@intel.com --- drivers/gpu/drm/i915/intel_device_info.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c index db00110cbb2e..e0ac908bb4e9 100644 --- a/drivers/gpu/drm/i915/intel_device_info.c +++ b/drivers/gpu/drm/i915/intel_device_info.c @@ -156,9 +156,15 @@ static void gen11_sseu_info_init(struct drm_i915_private *dev_priv) u8 eu_en; int s; - sseu->max_slices = 1; - sseu->max_subslices = 8; - sseu->max_eus_per_subslice = 8; + if (IS_ELKHARTLAKE(dev_priv)) { + sseu->max_slices = 1; + sseu->max_subslices = 4; + sseu->max_eus_per_subslice = 8; + } else { + sseu->max_slices = 1; + sseu->max_subslices = 8; + sseu->max_eus_per_subslice = 8; + } s_en = I915_READ(GEN11_GT_SLICE_ENABLE) & GEN11_GT_S_ENA_MASK; ss_en = ~I915_READ(GEN11_GT_SUBSLICE_DISABLE); -- 2.30.2