diff options
| -rw-r--r-- | drivers/char/drm/i915_dma.c | 14 | ||||
| -rw-r--r-- | drivers/char/drm/i915_drv.h | 1 |
2 files changed, 12 insertions, 3 deletions
diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c index 3359cc2b973..8e7d713a5a1 100644 --- a/drivers/char/drm/i915_dma.c +++ b/drivers/char/drm/i915_dma.c @@ -184,6 +184,8 @@ static int i915_initialize(struct drm_device * dev, * private backbuffer/depthbuffer usage. */ dev_priv->use_mi_batchbuffer_start = 0; + if (IS_I965G(dev)) /* 965 doesn't support older method */ + dev_priv->use_mi_batchbuffer_start = 1; /* Allow hardware batchbuffers unless told otherwise. */ @@ -517,8 +519,13 @@ static int i915_dispatch_batchbuffer(struct drm_device * dev, if (dev_priv->use_mi_batchbuffer_start) { BEGIN_LP_RING(2); - OUT_RING(MI_BATCH_BUFFER_START | (2 << 6)); - OUT_RING(batch->start | MI_BATCH_NON_SECURE); + if (IS_I965G(dev)) { + OUT_RING(MI_BATCH_BUFFER_START | (2 << 6) | MI_BATCH_NON_SECURE_I965); + OUT_RING(batch->start); + } else { + OUT_RING(MI_BATCH_BUFFER_START | (2 << 6)); + OUT_RING(batch->start | MI_BATCH_NON_SECURE); + } ADVANCE_LP_RING(); } else { BEGIN_LP_RING(4); @@ -735,7 +742,8 @@ static int i915_setparam(DRM_IOCTL_ARGS) switch (param.param) { case I915_SETPARAM_USE_MI_BATCHBUFFER_START: - dev_priv->use_mi_batchbuffer_start = param.value; + if (!IS_I965G(dev)) + dev_priv->use_mi_batchbuffer_start = param.value; break; case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY: dev_priv->tex_lru_log_granularity = param.value; diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h index fd918565f4e..737088bd078 100644 --- a/drivers/char/drm/i915_drv.h +++ b/drivers/char/drm/i915_drv.h @@ -282,6 +282,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); #define MI_BATCH_BUFFER_START (0x31<<23) #define MI_BATCH_BUFFER_END (0xA<<23) #define MI_BATCH_NON_SECURE (1) +#define MI_BATCH_NON_SECURE_I965 (1<<8) #define MI_WAIT_FOR_EVENT ((0x3<<23)) #define MI_WAIT_FOR_PLANE_A_FLIP (1<<2) |