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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-12-19 11:42:05 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-12-20 09:41:36 +0000 |
| commit | 72bfa19c8deb4d1db5ad068c34fd580cb295cbe8 (patch) | |
| tree | ff1af345701389b7c6b3c8cffa4c6d704f0ccdab /drivers/gpu/drm/i915/i915_dma.c | |
| parent | 3b8d8d91d51c7d15cda51052624169edf7b6dbc6 (diff) | |
| download | linux-72bfa19c8deb4d1db5ad068c34fd580cb295cbe8.tar.bz2 | |
drm/i915: Allow the application to choose the constant addressing mode
The relative-to-general state default is useless as it means having to
rewrite the streaming kernels for each batch. Relative-to-surface is
more useful, as that stream usually needs to be rewritten for each
batch. And absolute addressing mode, vital if you start streaming
state, is also only available by adjusting the register...
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 3f7b20392e26..18746e6cb129 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -778,6 +778,9 @@ static int i915_getparam(struct drm_device *dev, void *data, case I915_PARAM_HAS_COHERENT_RINGS: value = 1; break; + case I915_PARAM_HAS_EXEC_CONSTANTS: + value = INTEL_INFO(dev)->gen >= 4; + break; default: DRM_DEBUG_DRIVER("Unknown parameter %d\n", param->param); |