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authorChris Wilson <chris@chris-wilson.co.uk>2010-12-19 11:42:05 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2010-12-20 09:41:36 +0000
commit72bfa19c8deb4d1db5ad068c34fd580cb295cbe8 (patch)
treeff1af345701389b7c6b3c8cffa4c6d704f0ccdab /drivers/gpu/drm/i915/i915_dma.c
parent3b8d8d91d51c7d15cda51052624169edf7b6dbc6 (diff)
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.c3
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 3f7b20392e2..18746e6cb12 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);