From 489d1953c12ea4e7b36f20219fb2a6b1896c1f80 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri, 1 Nov 2019 14:10:07 +0000
Subject: drm/i915/gem: Leave reloading kernel context on resume to GT
Git-commit: 489d1953c12ea4e7b36f20219fb2a6b1896c1f80
Patch-mainline: v5.5-rc1
References: bsc#1152489
As we already do reload the kernel context in intel_gt_resume, repeating
that action inside i915_gem_resume() as well is redundant.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191101141009.15581-2-chris@chris-wilson.co.uk
(cherry picked from commit c8f6cfc56fc86999725e71a19d91269482bd2c01)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/i915/gem/i915_gem_pm.c | 30 --------------------------
1 file changed, 30 deletions(-)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pm.c b/drivers/gpu/drm/i915/gem/i915_gem_pm.c
index e2ee9c04ece8..64dd04ae3d57 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_pm.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_pm.c
@@ -11,32 +11,6 @@
#include "i915_drv.h"
-static bool switch_to_kernel_context_sync(struct intel_gt *gt)
-{
- bool result = !intel_gt_is_wedged(gt);
-
- if (intel_gt_wait_for_idle(gt, I915_GEM_IDLE_TIMEOUT) == -ETIME) {
- /* XXX hide warning from gem_eio */
- if (i915_modparams.reset) {
- dev_err(gt->i915->drm.dev,
- "Failed to idle engines, declaring wedged!\n");
- GEM_TRACE_DUMP();
- }
-
- /*
- * Forcibly cancel outstanding work and leave
- * the gpu quiet.
- */
- intel_gt_set_wedged(gt);
- result = false;
- }
-
- if (intel_gt_pm_wait_for_idle(gt))
- result = false;
-
- return result;
-}
-
static void user_forcewake(struct intel_gt *gt, bool suspend)
{
int count = atomic_read(>->user_wakeref);
@@ -158,10 +132,6 @@ void i915_gem_resume(struct drm_i915_private *i915)
if (intel_gt_resume(&i915->gt))
goto err_wedged;
- /* Always reload a context for powersaving. */
- if (!switch_to_kernel_context_sync(&i915->gt))
- goto err_wedged;
-
user_forcewake(&i915->gt, false);
out_unlock:
--
2.28.0