v2:
Add RADEON_INFO_ACTIVE_CU_COUNT as a define, as suggested by
Tom Stellard
---
src/gallium/drivers/radeon/r600_pipe_common.c | 7 +++++++
src/gallium/winsys/radeon/drm/radeon_drm_winsys.c | 7 +++++++
src/gallium/winsys/radeon/drm/radeon_winsys.h | 1 +
3 files changed, 15 insertions(+)
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c
b/src/gallium/drivers/radeon/r600_pipe_common.c
index 70c4d1a..e7d33a0 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.c
+++ b/src/gallium/drivers/radeon/r600_pipe_common.c
@@ -519,6 +519,13 @@ static int r600_get_compute_param(struct pipe_screen
*screen,
}
return sizeof(uint32_t);
+ case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
+ if (ret) {
+ uint32_t *max_compute_units = ret;
+ *max_compute_units = rscreen->info.max_compute_units;
+ }
+ return sizeof(uint32_t);
+
default:
fprintf(stderr, "unknown PIPE_COMPUTE_CAP %d\n", param);
return 0;
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
index e54e79e..576fea5 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -45,6 +45,10 @@
#include <sys/stat.h>
#include <unistd.h>
+#ifndef RADEON_INFO_ACTIVE_CU_COUNT
+#define RADEON_INFO_ACTIVE_CU_COUNT 0x20
+#endif
+
static struct util_hash_table *fd_tab = NULL;
pipe_static_mutex(fd_tab_mutex);
@@ -382,6 +386,9 @@ static boolean do_winsys_init(struct radeon_drm_winsys *ws)
radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_PIPES, NULL,
&ws->info.r600_max_pipes);
+ radeon_get_drm_value(ws->fd, RADEON_INFO_ACTIVE_CU_COUNT, NULL,
+ &ws->info.max_compute_units);
+
if (radeon_get_drm_value(ws->fd, RADEON_INFO_SI_TILE_MODE_ARRAY, NULL,
ws->info.si_tile_mode_array)) {
ws->info.si_tile_mode_array_valid = TRUE;
diff --git a/src/gallium/winsys/radeon/drm/radeon_winsys.h
b/src/gallium/winsys/radeon/drm/radeon_winsys.h
index 2d13550..6df1987 100644
--- a/src/gallium/winsys/radeon/drm/radeon_winsys.h
+++ b/src/gallium/winsys/radeon/drm/radeon_winsys.h
@@ -198,6 +198,7 @@ struct radeon_info {
uint32_t gart_size;
uint32_t vram_size;
uint32_t max_sclk;
+ uint32_t max_compute_units;
uint32_t drm_major; /* version */
uint32_t drm_minor;
--
2.0.0
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