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| author | Daniel Vetter | 2010-08-02 16:24:01 +0200 |
|---|---|---|
| committer | Chris Wilson | 2010-09-21 12:20:01 +0200 |
| commit | 333e9fe94d00ce8c334d91099449b9948bf76b92 (patch) | |
| tree | c60f9ec1ba5efc88bae754315b1c8ecc2c262b13 /drivers/gpu/drm/i915/i915_reg.h | |
| parent | drm/i915: kill duplicated/unneeded register defines (diff) | |
| download | kernel-qcow2-linux-333e9fe94d00ce8c334d91099449b9948bf76b92.tar.gz kernel-qcow2-linux-333e9fe94d00ce8c334d91099449b9948bf76b92.tar.xz kernel-qcow2-linux-333e9fe94d00ce8c334d91099449b9948bf76b92.zip | |
drm/i915: add relative ring register macros
Documentation explicitly mentions that the ring registers are
designed to have the same offsets relative to a base registers.
Use this to fight the code beaurocratic in intel_ringbuffer.c.
No code changes in this patch, just the new definitions.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 8b8ac60cc839..77c9191f3fd6 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -288,6 +288,14 @@ #define PRB0_HEAD 0x02034 #define PRB0_START 0x02038 #define PRB0_CTL 0x0203c +#define RENDER_RING_BASE 0x02000 +#define BSD_RING_BASE 0x04000 +#define GEN6_BSD_RING_BASE 0x12000 +#define RING_TAIL(base) (base)+0x30 +#define RING_HEAD(base) (base)+0x34 +#define RING_START(base) (base)+0x38 +#define RING_CTL(base) (base)+0x3c +#define RING_HWS_PGA(base) (base)+0x80 #define TAIL_ADDR 0x001FFFF8 #define HEAD_WRAP_COUNT 0xFFE00000 #define HEAD_WRAP_ONE 0x00200000 |