From: Michel Thierry <michel.thierry@intel.com>
Date: Mon, 4 Jun 2018 16:32:50 -0700
Subject: drm/i915/perf: fix gen11 engine class shift
Git-commit: 2b9a820318ebdf81f666be4daf7414d98123fefb
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Use the correct engine class shift value while storing the ctx hw id.
Fixes the copy+paste error from commit 61d5676b5561 ("drm/i915/perf: fix
ctx_id read with GuC & ICL").
Apologies for not spotting this in the original review, the
specific_ctx_id_mask is correct, only the specific_ctx_id had this
problem.
v2: Just use the upper 32 bits of lrc_desc (Chris)
v3: If we use the lrc_desc, we must apply the ctx_id_mask too (Lionel)
Fixes: 61d5676b5561 ("drm/i915/perf: fix ctx_id read with GuC & ICL")
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michel Thierry <michel.thierry@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180604233250.609-2-michel.thierry@intel.com
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/i915/i915_perf.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -1289,16 +1289,13 @@ static int oa_get_render_ctx_id(struct i
break;
case 11: {
- struct intel_engine_cs *engine = i915->engine[RCS];
-
- i915->perf.oa.specific_ctx_id =
- stream->ctx->hw_id << (GEN11_SW_CTX_ID_SHIFT - 32) |
- engine->instance << (GEN11_ENGINE_INSTANCE_SHIFT - 32) |
- engine->class << (GEN11_ENGINE_INSTANCE_SHIFT - 32);
i915->perf.oa.specific_ctx_id_mask =
((1U << GEN11_SW_CTX_ID_WIDTH) - 1) << (GEN11_SW_CTX_ID_SHIFT - 32) |
((1U << GEN11_ENGINE_INSTANCE_WIDTH) - 1) << (GEN11_ENGINE_INSTANCE_SHIFT - 32) |
((1 << GEN11_ENGINE_CLASS_WIDTH) - 1) << (GEN11_ENGINE_CLASS_SHIFT - 32);
+ i915->perf.oa.specific_ctx_id = upper_32_bits(ce->lrc_desc);
+ i915->perf.oa.specific_ctx_id &=
+ i915->perf.oa.specific_ctx_id_mask;
break;
}