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radeonsi/gfx9: don't read back non-existent register SRBM_STATUS2
author
Marek Olšák
<marek.olsak@amd.com>
Sun, 9 Jul 2017 23:33:38 +0000
(
01:33
+0200)
committer
Marek Olšák
<marek.olsak@amd.com>
Mon, 17 Jul 2017 14:56:56 +0000
(10:56 -0400)
It looks like there is no way to monitor SDMA busyness on GFX9.
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
src/gallium/drivers/radeon/r600_gpu_load.c
patch
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diff --git
a/src/gallium/drivers/radeon/r600_gpu_load.c
b/src/gallium/drivers/radeon/r600_gpu_load.c
index
3b45545
..
d8f7c3d
100644
(file)
--- a/
src/gallium/drivers/radeon/r600_gpu_load.c
+++ b/
src/gallium/drivers/radeon/r600_gpu_load.c
@@
-105,7
+105,7
@@
static void r600_update_mmio_counters(struct r600_common_screen *rscreen,
UPDATE_COUNTER(gui, GUI_ACTIVE);
gui_busy = GUI_ACTIVE(value);
- if (rscreen->chip_class
>= CIK
) {
+ if (rscreen->chip_class
== CIK || rscreen->chip_class == VI
) {
/* SRBM_STATUS2 */
rscreen->ws->read_registers(rscreen->ws, SRBM_STATUS2, 1, &value);