Platforms without a HW detiler doesn't support the get_tiling IOCTL. Fix the drm_intel_bo_gem_create_from_* functions assuming the default no-tiling, no-swizzling setting for the GEM buffer in this case.
Signed-off-by: Imre Deak imre.deak@intel.com --- intel/intel_bufmgr_gem.c | 42 +++++++++++++++++++++++++--------------- 1 file changed, 26 insertions(+), 16 deletions(-)
diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c index fbf48730..fc249ef1 100644 --- a/intel/intel_bufmgr_gem.c +++ b/intel/intel_bufmgr_gem.c @@ -1069,6 +1069,27 @@ check_bo_alloc_userptr(drm_intel_bufmgr *bufmgr, tiling_mode, stride, size, flags); }
+static int get_tiling_mode(drm_intel_bufmgr_gem *bufmgr_gem, + uint32_t gem_handle, + uint32_t *tiling_mode, + uint32_t *swizzle_mode) +{ + struct drm_i915_gem_get_tiling get_tiling; + int ret; + + memclear(get_tiling); + ret = drmIoctl(bufmgr_gem->fd, + DRM_IOCTL_I915_GEM_GET_TILING, + &get_tiling); + if (ret != 0 && errno != EOPNOTSUPP) + return ret; + + *tiling_mode = get_tiling.tiling_mode; + *swizzle_mode = get_tiling.swizzle_mode; + + return 0; +} + /** * Returns a drm_intel_bo wrapping the given buffer object handle. * @@ -1084,7 +1105,6 @@ drm_intel_bo_gem_create_from_name(drm_intel_bufmgr *bufmgr, drm_intel_bo_gem *bo_gem; int ret; struct drm_gem_open open_arg; - struct drm_i915_gem_get_tiling get_tiling;
/* At the moment most applications only have a few named bo. * For instance, in a DRI client only the render buffers passed @@ -1146,16 +1166,11 @@ drm_intel_bo_gem_create_from_name(drm_intel_bufmgr *bufmgr, HASH_ADD(name_hh, bufmgr_gem->name_table, global_name, sizeof(bo_gem->global_name), bo_gem);
- memclear(get_tiling); - get_tiling.handle = bo_gem->gem_handle; - ret = drmIoctl(bufmgr_gem->fd, - DRM_IOCTL_I915_GEM_GET_TILING, - &get_tiling); + ret = get_tiling_mode(bufmgr_gem, bo_gem->gem_handle, + &bo_gem->tiling_mode, &bo_gem->swizzle_mode); if (ret != 0) goto err_unref;
- bo_gem->tiling_mode = get_tiling.tiling_mode; - bo_gem->swizzle_mode = get_tiling.swizzle_mode; /* XXX stride is unknown */ drm_intel_bo_gem_set_in_aperture_size(bufmgr_gem, bo_gem, 0); DBG("bo_create_from_handle: %d (%s)\n", handle, bo_gem->name); @@ -2634,7 +2649,6 @@ drm_intel_bo_gem_create_from_prime(drm_intel_bufmgr *bufmgr, int prime_fd, int s int ret; uint32_t handle; drm_intel_bo_gem *bo_gem; - struct drm_i915_gem_get_tiling get_tiling;
pthread_mutex_lock(&bufmgr_gem->lock); ret = drmPrimeFDToHandle(bufmgr_gem->fd, prime_fd, &handle); @@ -2688,15 +2702,11 @@ drm_intel_bo_gem_create_from_prime(drm_intel_bufmgr *bufmgr, int prime_fd, int s bo_gem->has_error = false; bo_gem->reusable = false;
- memclear(get_tiling); - get_tiling.handle = bo_gem->gem_handle; - if (drmIoctl(bufmgr_gem->fd, - DRM_IOCTL_I915_GEM_GET_TILING, - &get_tiling)) + ret = get_tiling_mode(bufmgr_gem, handle, + &bo_gem->tiling_mode, &bo_gem->swizzle_mode); + if (ret) goto err;
- bo_gem->tiling_mode = get_tiling.tiling_mode; - bo_gem->swizzle_mode = get_tiling.swizzle_mode; /* XXX stride is unknown */ drm_intel_bo_gem_set_in_aperture_size(bufmgr_gem, bo_gem, 0);