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authorJesse Barnes <jbarnes@virtuousgeek.org>2009-10-08 10:16:48 -0700
committerEric Anholt <eric@anholt.net>2009-11-05 14:47:06 -0800
commit97f5ab6651a996ecefed73e41684422f3b29d9a8 (patch)
tree3a78cd25b38419df94fa5b2f91793f47b5d99b68 /drivers/gpu/drm/i915/i915_drv.h
parentd8a2d0e00c0d5a0d55e14b884bff034205015e51 (diff)
drm/i915: add render standby support
Render standy allows the GPU to power down the render unit when idle. In order for this to work, it needs a page of graphics memory to save state. This patch allocates that page and enables the feature on supported chipsets. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 57204e298975..95391191316a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -187,6 +187,7 @@ typedef struct drm_i915_private {
unsigned int status_gfx_addr;
drm_local_map_t hws_map;
struct drm_gem_object *hws_obj;
+ struct drm_gem_object *pwrctx;
struct resource mch_res;
@@ -280,6 +281,7 @@ typedef struct drm_i915_private {
u32 saveDSPBCNTR;
u32 saveDSPARB;
u32 saveRENDERSTANDBY;
+ u32 savePWRCTXA;
u32 saveHWS;
u32 savePIPEACONF;
u32 savePIPEBCONF;
@@ -1019,6 +1021,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
(IS_I9XX(dev) || IS_GM45(dev)) && \
!IS_IGD(dev) && \
!IS_IGDNG(dev))
+#define I915_HAS_RC6(dev) (IS_I965GM(dev) || IS_GM45(dev) || IS_IGDNG_M(dev))
#define PRIMARY_RINGBUFFER_SIZE (128*1024)