From: Nirmoy Das <nirmoy.aiemd@gmail.com>
To: dri-devel@lists.freedesktop.org
Cc: thellstrom@vmware.com, airlied@linux.ie, kenny.ho@amd.com,
brian.welty@intel.com, amd-gfx@lists.freedesktop.org,
nirmoy.das@amd.com, linux-graphics-maintainer@vmware.com,
bskeggs@redhat.com, alexander.deucher@amd.com, sean@poorly.run,
christian.koenig@amd.com, kraxel@redhat.com
Subject: [PATCH 6/8] drm/vram-helper: don't use ttm bo->offset v2
Date: Wed, 19 Feb 2020 14:53:20 +0100 [thread overview]
Message-ID: <20200219135322.56463-7-nirmoy.das@amd.com> (raw)
In-Reply-To: <20200219135322.56463-1-nirmoy.das@amd.com>
Calculate GEM VRAM bo's offset within vram-helper without depending on
bo->offset
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
---
drivers/gpu/drm/drm_gem_vram_helper.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 92a11bb42365..3edf5f241c15 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -198,6 +198,21 @@ u64 drm_gem_vram_mmap_offset(struct drm_gem_vram_object *gbo)
}
EXPORT_SYMBOL(drm_gem_vram_mmap_offset);
+/**
+ * drm_gem_vram_pg_offset() - Returns a GEM VRAM object's page offset
+ * @gbo: the GEM VRAM object
+ *
+ * Returns:
+ * The buffer object's page offset, or
+ * 0 with a warning when memory manager node of the buffer object is NULL
+ * */
+static s64 drm_gem_vram_pg_offset(struct drm_gem_vram_object *gbo)
+{
+ if (WARN_ON_ONCE(!gbo->bo.mem.mm_node))
+ return 0;
+ return gbo->bo.mem.start;
+}
+
/**
* drm_gem_vram_offset() - \
Returns a GEM VRAM object's offset in video memory
@@ -214,7 +229,7 @@ s64 drm_gem_vram_offset(struct drm_gem_vram_object *gbo)
{
if (WARN_ON_ONCE(!gbo->pin_count))
return (s64)-ENODEV;
- return gbo->bo.offset;
+ return drm_gem_vram_pg_offset(gbo) << PAGE_SHIFT;
}
EXPORT_SYMBOL(drm_gem_vram_offset);
--
2.25.0
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next prev parent reply other threads:[~2020-02-19 16:18 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-19 13:53 [PATCH v3 0/8] do not store GPU address in TTM Nirmoy Das
2020-02-19 13:53 ` [PATCH 1/8] drm/amdgpu: move ttm bo->offset to amdgpu_bo Nirmoy Das
2020-02-21 1:14 ` Luben Tuikov
2020-02-19 13:53 ` [PATCH 2/8] drm/radeon: don't use ttm bo->offset Nirmoy Das
2020-02-21 1:19 ` Luben Tuikov
2020-02-21 13:27 ` Nirmoy
2020-02-19 13:53 ` [PATCH 3/8] drm/vmwgfx: " Nirmoy Das
2020-02-21 8:45 ` Thomas Hellström (VMware)
2020-02-19 13:53 ` [PATCH 4/8] drm/nouveau: don't use ttm bo->offset v3 Nirmoy Das
2020-02-21 1:22 ` Luben Tuikov
2020-02-19 13:53 ` [PATCH 5/8] drm/qxl: don't use ttm bo->offset Nirmoy Das
2020-02-19 13:53 ` Nirmoy Das [this message]
2020-02-20 18:09 ` [PATCH 6/8] drm/vram-helper: don't use ttm bo->offset v2 Daniel Vetter
2020-02-20 18:29 ` Nirmoy
2020-02-21 11:02 ` Thomas Zimmermann
2020-02-19 13:53 ` [PATCH 7/8] drm/bochs: use drm_gem_vram_offset to get bo offset v2 Nirmoy Das
2020-02-20 18:11 ` Daniel Vetter
2020-02-19 13:53 ` [PATCH 8/8] drm/ttm: do not keep GPU dependent addresses Nirmoy Das
2020-02-21 8:48 ` [PATCH v3 0/8] do not store GPU address in TTM Thomas Hellström (VMware)
2020-02-21 11:32 ` Nirmoy
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