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intel: Add support for VEBOX ring (v2) 

v2: Fix the test for has_vebox

Signed-off-by: Xiang, Haihao <haihao.xiang@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
main
Xiang, Haihao 2012-11-14 12:46:39 +08:00 committed by Ben Widawsky
parent b3a3a77823
commit 011999927f
2 changed files with 11 additions and 0 deletions
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2
include/drm/i915_drm.h
View File

@ -303,6 +303,7 @@ typedef struct drm_i915_irq_wait {
#define I915_PARAM_HAS_LLC 17
#define I915_PARAM_HAS_ALIASING_PPGTT 18
#define I915_PARAM_HAS_WAIT_TIMEOUT 19
#define I915_PARAM_HAS_VEBOX 22
typedef struct drm_i915_getparam {
int param;
@ -649,6 +650,7 @@ struct drm_i915_gem_execbuffer2 {
#define I915_EXEC_RENDER (1<<0)
#define I915_EXEC_BSD (2<<0)
#define I915_EXEC_BLT (3<<0)
#define I915_EXEC_VEBOX (4<<0)
/* Used for switching the constants addressing mode on gen4+ RENDER ring.
* Gen6+ only supports relative addressing to dynamic state (default) and

9
intel/intel_bufmgr_gem.c
View File

@ -125,6 +125,7 @@ typedef struct _drm_intel_bufmgr_gem {
unsigned int has_wait_timeout : 1;
unsigned int bo_reuse : 1;
unsigned int no_exec : 1;
unsigned int has_vebox : 1;
bool fenced_relocs;
FILE *aub_file;
@ -2213,6 +2214,10 @@ do_exec2(drm_intel_bo *bo, int used, drm_intel_context *ctx,
if (!bufmgr_gem->has_bsd)
return -EINVAL;
break;
case I915_EXEC_VEBOX:
if (!bufmgr_gem->has_vebox)
return -EINVAL;
break;
case I915_EXEC_RENDER:
case I915_EXEC_DEFAULT:
break;
@ -3126,6 +3131,10 @@ drm_intel_bufmgr_gem_init(int fd, int batch_size)
} else
bufmgr_gem->has_llc = *gp.value;
gp.param = I915_PARAM_HAS_VEBOX;
ret = drmIoctl(bufmgr_gem->fd, DRM_IOCTL_I915_GETPARAM, &gp);
bufmgr_gem->has_vebox = (ret == 0) & (*gp.value > 0);
if (bufmgr_gem->gen < 4) {
gp.param = I915_PARAM_NUM_FENCES_AVAIL;
gp.value = &bufmgr_gem->available_fences;