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drm/i915: Add GPGPU_THREADS_DISPATCHED to the register whitelist

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This will allow us to read the number of dispatched compute threads
for GL_ARB_pipeline_statistics_query.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Cc: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jordan Justen 2014-12-11 13:28:09 -08:00 • committed by Daniel Vetter
parent 7174537627
commit c61200c2c7
2 changed files with 15 additions and 12 deletions
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4
drivers/gpu/drm/i915/i915_cmd_parser.c
View file

@ -405,6 +405,7 @@ static const struct drm_i915_cmd_table hsw_blt_ring_cmds[] = {
#define REG64(addr) (addr), (addr + sizeof(u32))
static const u32 gen7_render_regs[] = {
REG64(GPGPU_THREADS_DISPATCHED),
REG64(HS_INVOCATION_COUNT),
REG64(DS_INVOCATION_COUNT),
REG64(IA_VERTICES_COUNT),
@ -1153,6 +1154,7 @@ int i915_cmd_parser_get_version(void)
* hardware parsing enabled (so does not allow new use cases).
* 2. Allow access to the MI_PREDICATE_SRC0 and
* MI_PREDICATE_SRC1 registers.
* 3. Allow access to the GPGPU_THREADS_DISPATCHED register.
*/
return 2;
return 3;
}

1
drivers/gpu/drm/i915/i915_reg.h
View file

@ -463,6 +463,7 @@
*/
#define BCS_SWCTRL 0x22200
#define GPGPU_THREADS_DISPATCHED 0x2290
#define HS_INVOCATION_COUNT 0x2300
#define DS_INVOCATION_COUNT 0x2308
#define IA_VERTICES_COUNT 0x2310