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iris: support INTEL_NO_HW environment variable

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Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Mike Blumenkrantz
2019-04-09 12:40:06 -04:00
committed by Kenneth Graunke
parent 7295487c6d
commit 03d6d01fe2
3 changed files with 6 additions and 1 deletions
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2
src/gallium/drivers/iris/iris_batch.c
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@@ -491,7 +491,7 @@ submit_batch(struct iris_batch *batch)
(uintptr_t)util_dynarray_begin(&batch->exec_fences); (uintptr_t)util_dynarray_begin(&batch->exec_fences);
} }
int ret = drm_ioctl(batch->screen->fd, int ret = batch->screen->no_hw ? 0 : drm_ioctl(batch->screen->fd,
DRM_IOCTL_I915_GEM_EXECBUFFER2, DRM_IOCTL_I915_GEM_EXECBUFFER2,
&execbuf); &execbuf);
if (ret != 0) { if (ret != 0) {

3
src/gallium/drivers/iris/iris_screen.c
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@@ -560,6 +560,9 @@ iris_screen_create(int fd)
screen->devinfo.timestamp_frequency = screen->devinfo.timestamp_frequency =
iris_getparam_integer(screen, I915_PARAM_CS_TIMESTAMP_FREQUENCY); iris_getparam_integer(screen, I915_PARAM_CS_TIMESTAMP_FREQUENCY);
if (getenv("INTEL_NO_HW") != NULL)
screen->no_hw = true;
screen->bufmgr = iris_bufmgr_init(&screen->devinfo, fd); screen->bufmgr = iris_bufmgr_init(&screen->devinfo, fd);
if (!screen->bufmgr) if (!screen->bufmgr)
return NULL; return NULL;

2
src/gallium/drivers/iris/iris_screen.h
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@@ -52,6 +52,8 @@ struct iris_screen {
/** PCI ID for our GPU device */ /** PCI ID for our GPU device */
int pci_id; int pci_id;
bool no_hw;
/** Global program_string_id counter (see get_program_string_id()) */ /** Global program_string_id counter (see get_program_string_id()) */
unsigned program_id; unsigned program_id;