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drm/i915: Make GSM void

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The iomapping of the register region has historically been a uint32_t
for the obvious reason that our PTE size was always 4b. In the future
however, we cannot make this assumption.

By making the type void, it makes the upcoming pointer math we will do
much easier, and hopefully gives the compiler opportunities to warn us
when we do stupid things.

v2: Cast to __iomem, caught by Ville

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
[danvet: Fixup __iomem issue for real.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ben Widawsky
2012-12-18 10:31:27 -08:00
committed by Daniel Vetter
parent 06e5598fce
commit 1c45140d3d
2 changed files with 4 additions and 3 deletions
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drivers/gpu/drm/i915/i915_drv.h
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@@ -801,7 +801,7 @@ typedef struct drm_i915_private {
unsigned long stolen_base; /* limited to low memory (32-bit) */
/** "Graphics Stolen Memory" holds the global PTEs */
uint32_t __iomem *gsm;
void __iomem *gsm;
struct io_mapping *gtt_mapping;
phys_addr_t gtt_base_addr;