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i915: remove settable use_mi_batchbuffer_start

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The driver can know what hardware requires MI_BATCH_BUFFER vs
MI_BATCH_BUFFER_START; there's no reason to let user mode configure this.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Keith Packard 2008-07-30 12:28:47 -07:00 committed by Dave Airlie
parent 48f185d0e0
commit 0790d5e148
2 changed files with 1 additions and 11 deletions
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11
drivers/gpu/drm/i915/i915_dma.c
View file

@ -159,13 +159,6 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
dev_priv->current_page = 0;
dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
/* We are using separate values as placeholders for mechanisms for
* 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.
*/
dev_priv->allow_batchbuffer = 1;
@ -486,7 +479,7 @@ static int i915_dispatch_batchbuffer(struct drm_device * dev,
return ret;
}
if (dev_priv->use_mi_batchbuffer_start) {
if (!IS_I830(dev) && !IS_845G(dev)) {
BEGIN_LP_RING(2);
if (IS_I965G(dev)) {
OUT_RING(MI_BATCH_BUFFER_START | (2 << 6) | MI_BATCH_NON_SECURE_I965);
@ -697,8 +690,6 @@ static int i915_setparam(struct drm_device *dev, void *data,
switch (param->param) {
case I915_SETPARAM_USE_MI_BATCHBUFFER_START:
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;

1
drivers/gpu/drm/i915/i915_drv.h
View file

@ -99,7 +99,6 @@ typedef struct drm_i915_private {
int front_offset;
int current_page;
int page_flipping;
int use_mi_batchbuffer_start;
wait_queue_head_t irq_queue;
atomic_t irq_received;