From: Daniel Vetter <daniel.vetter@ffwll.ch> To: DRI Development <dri-devel@lists.freedesktop.org> Cc: "Intel Graphics Development" <intel-gfx@lists.freedesktop.org>, "Daniel Vetter" <daniel.vetter@ffwll.ch>, "Daniel Vetter" <daniel.vetter@intel.com>, "Jon Bloomfield" <jon.bloomfield@intel.com>, "Chris Wilson" <chris@chris-wilson.co.uk>, "Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>, "Joonas Lahtinen" <joonas.lahtinen@linux.intel.com>, "Thomas Hellström" <thomas.hellstrom@linux.intel.com>, "Matthew Auld" <matthew.auld@intel.com>, "Lionel Landwerlin" <lionel.g.landwerlin@intel.com>, "Dave Airlie" <airlied@redhat.com>, "Jason Ekstrand" <jason@jlekstrand.net> Subject: [PATCH 07/11] drm/i915: Add i915_gem_context_is_full_ppgtt Date: Fri, 13 Aug 2021 22:30:29 +0200 [thread overview] Message-ID: <20210813203033.3179400-7-daniel.vetter@ffwll.ch> (raw) In-Reply-To: <20210813203033.3179400-1-daniel.vetter@ffwll.ch> And use it anywhere we have open-coded checks for ctx->vm that really only check for full ppgtt. Plus for paranoia add a GEM_BUG_ON that checks it's really only set when we have full ppgtt, just in case. gem_context->vm is different since it's NULL in ggtt mode, unlike intel_context->vm or gt->vm, which is always set. v2: 0day found a testcase that I missed. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Jon Bloomfield <jon.bloomfield@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: "Thomas Hellström" <thomas.hellstrom@linux.intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Jason Ekstrand <jason@jlekstrand.net> --- drivers/gpu/drm/i915/gem/i915_gem_context.c | 2 +- drivers/gpu/drm/i915/gem/i915_gem_context.h | 7 +++++++ drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 2 +- drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c | 6 +++--- 4 files changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index 7a566fb7cca4..1eec85944c1f 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -1566,7 +1566,7 @@ static int get_ppgtt(struct drm_i915_file_private *file_priv, int err; u32 id; - if (!rcu_access_pointer(ctx->vm)) + if (!i915_gem_context_is_full_ppgtt(ctx)) return -ENODEV; rcu_read_lock(); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.h b/drivers/gpu/drm/i915/gem/i915_gem_context.h index da6e8b506d96..37536a260e6e 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.h @@ -154,6 +154,13 @@ i915_gem_context_vm(struct i915_gem_context *ctx) return rcu_dereference_protected(ctx->vm, lockdep_is_held(&ctx->mutex)); } +static inline bool i915_gem_context_is_full_ppgtt(struct i915_gem_context *ctx) +{ + GEM_BUG_ON(!!rcu_access_pointer(ctx->vm) != HAS_FULL_PPGTT(ctx->i915)); + + return !!rcu_access_pointer(ctx->vm); +} + static inline struct i915_address_space * i915_gem_context_get_eb_vm(struct i915_gem_context *ctx) { diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index 905b1cbd22d5..40f08948f0b2 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -749,7 +749,7 @@ static int eb_select_context(struct i915_execbuffer *eb) return PTR_ERR(ctx); eb->gem_context = ctx; - if (rcu_access_pointer(ctx->vm)) + if (i915_gem_context_is_full_ppgtt(ctx)) eb->invalid_flags |= EXEC_OBJECT_NEEDS_GTT; return 0; diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c index d436ce7fa25c..0708b9cdeb9f 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c @@ -704,7 +704,7 @@ static int igt_ctx_exec(void *arg) pr_err("Failed to fill dword %lu [%lu/%lu] with gpu (%s) [full-ppgtt? %s], err=%d\n", ndwords, dw, max_dwords(obj), engine->name, - yesno(!!rcu_access_pointer(ctx->vm)), + yesno(i915_gem_context_is_full_ppgtt(ctx)), err); intel_context_put(ce); kernel_context_close(ctx); @@ -838,7 +838,7 @@ static int igt_shared_ctx_exec(void *arg) pr_err("Failed to fill dword %lu [%lu/%lu] with gpu (%s) [full-ppgtt? %s], err=%d\n", ndwords, dw, max_dwords(obj), engine->name, - yesno(!!rcu_access_pointer(ctx->vm)), + yesno(i915_gem_context_is_full_ppgtt(ctx)), err); intel_context_put(ce); kernel_context_close(ctx); @@ -1417,7 +1417,7 @@ static int igt_ctx_readonly(void *arg) pr_err("Failed to fill dword %lu [%lu/%lu] with gpu (%s) [full-ppgtt? %s], err=%d\n", ndwords, dw, max_dwords(obj), ce->engine->name, - yesno(!!ctx_vm(ctx)), + yesno(i915_gem_context_is_full_ppgtt(ctx)), err); i915_gem_context_unlock_engines(ctx); goto out_file; -- 2.32.0
WARNING: multiple messages have this Message-ID (diff)
From: Daniel Vetter <daniel.vetter@ffwll.ch> To: DRI Development <dri-devel@lists.freedesktop.org> Cc: "Intel Graphics Development" <intel-gfx@lists.freedesktop.org>, "Daniel Vetter" <daniel.vetter@ffwll.ch>, "Daniel Vetter" <daniel.vetter@intel.com>, "Jon Bloomfield" <jon.bloomfield@intel.com>, "Chris Wilson" <chris@chris-wilson.co.uk>, "Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>, "Joonas Lahtinen" <joonas.lahtinen@linux.intel.com>, "Thomas Hellström" <thomas.hellstrom@linux.intel.com>, "Matthew Auld" <matthew.auld@intel.com>, "Lionel Landwerlin" <lionel.g.landwerlin@intel.com>, "Dave Airlie" <airlied@redhat.com>, "Jason Ekstrand" <jason@jlekstrand.net> Subject: [Intel-gfx] [PATCH 07/11] drm/i915: Add i915_gem_context_is_full_ppgtt Date: Fri, 13 Aug 2021 22:30:29 +0200 [thread overview] Message-ID: <20210813203033.3179400-7-daniel.vetter@ffwll.ch> (raw) In-Reply-To: <20210813203033.3179400-1-daniel.vetter@ffwll.ch> And use it anywhere we have open-coded checks for ctx->vm that really only check for full ppgtt. Plus for paranoia add a GEM_BUG_ON that checks it's really only set when we have full ppgtt, just in case. gem_context->vm is different since it's NULL in ggtt mode, unlike intel_context->vm or gt->vm, which is always set. v2: 0day found a testcase that I missed. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Jon Bloomfield <jon.bloomfield@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: "Thomas Hellström" <thomas.hellstrom@linux.intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Jason Ekstrand <jason@jlekstrand.net> --- drivers/gpu/drm/i915/gem/i915_gem_context.c | 2 +- drivers/gpu/drm/i915/gem/i915_gem_context.h | 7 +++++++ drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 2 +- drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c | 6 +++--- 4 files changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index 7a566fb7cca4..1eec85944c1f 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -1566,7 +1566,7 @@ static int get_ppgtt(struct drm_i915_file_private *file_priv, int err; u32 id; - if (!rcu_access_pointer(ctx->vm)) + if (!i915_gem_context_is_full_ppgtt(ctx)) return -ENODEV; rcu_read_lock(); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.h b/drivers/gpu/drm/i915/gem/i915_gem_context.h index da6e8b506d96..37536a260e6e 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.h @@ -154,6 +154,13 @@ i915_gem_context_vm(struct i915_gem_context *ctx) return rcu_dereference_protected(ctx->vm, lockdep_is_held(&ctx->mutex)); } +static inline bool i915_gem_context_is_full_ppgtt(struct i915_gem_context *ctx) +{ + GEM_BUG_ON(!!rcu_access_pointer(ctx->vm) != HAS_FULL_PPGTT(ctx->i915)); + + return !!rcu_access_pointer(ctx->vm); +} + static inline struct i915_address_space * i915_gem_context_get_eb_vm(struct i915_gem_context *ctx) { diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index 905b1cbd22d5..40f08948f0b2 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -749,7 +749,7 @@ static int eb_select_context(struct i915_execbuffer *eb) return PTR_ERR(ctx); eb->gem_context = ctx; - if (rcu_access_pointer(ctx->vm)) + if (i915_gem_context_is_full_ppgtt(ctx)) eb->invalid_flags |= EXEC_OBJECT_NEEDS_GTT; return 0; diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c index d436ce7fa25c..0708b9cdeb9f 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c @@ -704,7 +704,7 @@ static int igt_ctx_exec(void *arg) pr_err("Failed to fill dword %lu [%lu/%lu] with gpu (%s) [full-ppgtt? %s], err=%d\n", ndwords, dw, max_dwords(obj), engine->name, - yesno(!!rcu_access_pointer(ctx->vm)), + yesno(i915_gem_context_is_full_ppgtt(ctx)), err); intel_context_put(ce); kernel_context_close(ctx); @@ -838,7 +838,7 @@ static int igt_shared_ctx_exec(void *arg) pr_err("Failed to fill dword %lu [%lu/%lu] with gpu (%s) [full-ppgtt? %s], err=%d\n", ndwords, dw, max_dwords(obj), engine->name, - yesno(!!rcu_access_pointer(ctx->vm)), + yesno(i915_gem_context_is_full_ppgtt(ctx)), err); intel_context_put(ce); kernel_context_close(ctx); @@ -1417,7 +1417,7 @@ static int igt_ctx_readonly(void *arg) pr_err("Failed to fill dword %lu [%lu/%lu] with gpu (%s) [full-ppgtt? %s], err=%d\n", ndwords, dw, max_dwords(obj), ce->engine->name, - yesno(!!ctx_vm(ctx)), + yesno(i915_gem_context_is_full_ppgtt(ctx)), err); i915_gem_context_unlock_engines(ctx); goto out_file; -- 2.32.0
next prev parent reply other threads:[~2021-08-13 20:31 UTC|newest] Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-08-13 20:30 [PATCH 01/11] drm/i915: Release i915_gem_context from a worker Daniel Vetter 2021-08-13 20:30 ` [Intel-gfx] " Daniel Vetter 2021-08-13 20:30 ` [PATCH 02/11] drm/i915: Release ctx->syncobj on final put, not on ctx close Daniel Vetter 2021-08-13 20:30 ` [Intel-gfx] " Daniel Vetter 2021-08-13 20:30 ` [PATCH 03/11] drm/i915: Keep gem ctx->vm alive until the final put Daniel Vetter 2021-08-13 20:30 ` [Intel-gfx] " Daniel Vetter 2021-08-13 20:30 ` [PATCH 04/11] drm/i915: Drop code to handle set-vm races from execbuf Daniel Vetter 2021-08-13 20:30 ` [Intel-gfx] " Daniel Vetter 2021-08-13 20:30 ` [PATCH 05/11] drm/i915: Rename i915_gem_context_get_vm_rcu to i915_gem_context_get_eb_vm Daniel Vetter 2021-08-13 20:30 ` [Intel-gfx] " Daniel Vetter 2021-08-13 20:30 ` [PATCH 06/11] drm/i915: Use i915_gem_context_get_eb_vm in ctx_getparam Daniel Vetter 2021-08-13 20:30 ` [Intel-gfx] " Daniel Vetter 2021-08-13 20:30 ` Daniel Vetter [this message] 2021-08-13 20:30 ` [Intel-gfx] [PATCH 07/11] drm/i915: Add i915_gem_context_is_full_ppgtt Daniel Vetter 2021-08-13 20:30 ` [PATCH 08/11] drm/i915: Use i915_gem_context_get_eb_vm in intel_context_set_gem Daniel Vetter 2021-08-13 20:30 ` [Intel-gfx] " Daniel Vetter 2021-08-13 20:30 ` [PATCH 09/11] drm/i915: Drop __rcu from gem_context->vm Daniel Vetter 2021-08-13 20:30 ` [Intel-gfx] " Daniel Vetter 2021-08-13 20:30 ` [PATCH 10/11] drm/i915: use xa_lock/unlock for fpriv->vm_xa lookups Daniel Vetter 2021-08-13 20:30 ` [Intel-gfx] " Daniel Vetter 2021-08-31 9:29 ` Maarten Lankhorst 2021-08-31 9:29 ` [Intel-gfx] " Maarten Lankhorst 2021-08-31 12:14 ` [PATCH] " Daniel Vetter 2021-08-31 12:14 ` [Intel-gfx] " Daniel Vetter 2021-08-13 20:30 ` [PATCH 11/11] drm/i915: Stop rcu support for i915_address_space Daniel Vetter 2021-08-13 20:30 ` [Intel-gfx] " Daniel Vetter 2021-08-13 21:48 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [01/11] drm/i915: Release i915_gem_context from a worker Patchwork 2021-08-13 21:49 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork 2021-08-13 22:18 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork 2021-08-14 1:26 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork 2021-08-14 10:43 ` [PATCH] " Daniel Vetter 2021-08-14 10:43 ` [Intel-gfx] " Daniel Vetter 2021-08-31 9:38 ` Maarten Lankhorst 2021-08-31 9:38 ` [Intel-gfx] " Maarten Lankhorst 2021-08-31 12:16 ` Daniel Vetter 2021-08-31 12:16 ` [Intel-gfx] " Daniel Vetter 2021-08-31 15:14 ` Daniel Vetter 2021-08-31 15:14 ` [Intel-gfx] " Daniel Vetter 2021-09-02 10:04 ` Maarten Lankhorst 2021-09-02 10:04 ` Maarten Lankhorst 2021-08-14 10:55 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with drm/i915: Release i915_gem_context from a worker (rev2) Patchwork 2021-08-14 10:56 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork 2021-08-14 11:19 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork 2021-08-14 12:38 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork 2021-08-31 10:16 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for series starting with drm/i915: Release i915_gem_context from a worker (rev3) Patchwork 2021-08-31 12:18 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for series starting with drm/i915: Release i915_gem_context from a worker (rev4) Patchwork 2021-09-02 12:42 ` [Intel-gfx] [PATCH 01/11] drm/i915: Release i915_gem_context from a worker Tvrtko Ursulin 2021-09-02 15:05 ` Daniel Vetter 2021-09-02 16:20 ` Tvrtko Ursulin 2021-09-02 20:02 ` Daniel Vetter 2021-09-03 10:40 ` Tvrtko Ursulin 2021-09-02 14:20 Daniel Vetter 2021-09-02 14:20 ` [PATCH 07/11] drm/i915: Add i915_gem_context_is_full_ppgtt Daniel Vetter
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20210813203033.3179400-7-daniel.vetter@ffwll.ch \ --to=daniel.vetter@ffwll.ch \ --cc=airlied@redhat.com \ --cc=chris@chris-wilson.co.uk \ --cc=daniel.vetter@intel.com \ --cc=dri-devel@lists.freedesktop.org \ --cc=intel-gfx@lists.freedesktop.org \ --cc=jason@jlekstrand.net \ --cc=jon.bloomfield@intel.com \ --cc=joonas.lahtinen@linux.intel.com \ --cc=lionel.g.landwerlin@intel.com \ --cc=maarten.lankhorst@linux.intel.com \ --cc=matthew.auld@intel.com \ --cc=thomas.hellstrom@linux.intel.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.