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authorChris Wilson <chris@chris-wilson.co.uk>2016-04-28 09:56:37 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2016-04-28 12:17:32 +0100
commitd8dab00de9b767eaa11496a0eedf4798fc225803 (patch)
treef1972d8b618719c592f98e63636bdabe3f19e8cc /drivers/gpu/drm/i915/intel_overlay.c
parentdrm/i915/overlay: Replace i915_gem_obj_ggtt_offset() with the known flip_addr (diff)
downloadlinux-dev-d8dab00de9b767eaa11496a0eedf4798fc225803.tar.xz
linux-dev-d8dab00de9b767eaa11496a0eedf4798fc225803.zip
io-mapping: Specify mapping size for io_mapping_map_wc()
The ioremap() hidden behind the io_mapping_map_wc() convenience helper can be used for remapping multiple pages. Extend the helper so that future callers can use it for larger ranges. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: David Airlie <airlied@linux.ie> Cc: Yishai Hadas <yishaih@mellanox.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org> Cc: David Hildenbrand <dahi@linux.vnet.ibm.com> Cc: Luis R. Rodriguez <mcgrof@kernel.org> Cc: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Cc: netdev@vger.kernel.org Cc: linux-rdma@vger.kernel.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Luis R. Rodriguez <mcgrof@kernel.org> Link: http://patchwork.freedesktop.org/patch/msgid/1461833819-3991-3-git-send-email-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_overlay.c')
-rw-r--r--drivers/gpu/drm/i915/intel_overlay.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index 86ec53dde0fd..8570c60c6fc0 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -198,7 +198,8 @@ intel_overlay_map_regs(struct intel_overlay *overlay)
regs = (struct overlay_registers __iomem *)overlay->reg_bo->phys_handle->vaddr;
else
regs = io_mapping_map_wc(ggtt->mappable,
- overlay->flip_addr);
+ overlay->flip_addr,
+ PAGE_SIZE);
return regs;
}