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freedreno: query max gpu freq

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This will be needed to support converting from cycle counts to time for
performance related queries (initially time-elapsed, but there are some
additional performance counters that could be wired up).

Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark 2016-02-10 13:25:32 -05:00
parent dcb69185a0
commit 45ab5b1c34
3 changed files with 12 additions and 1 deletions
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2
configure.ac
View file

@ -74,7 +74,7 @@ LIBDRM_AMDGPU_REQUIRED=2.4.63
LIBDRM_INTEL_REQUIRED=2.4.61
LIBDRM_NVVIEUX_REQUIRED=2.4.66
LIBDRM_NOUVEAU_REQUIRED=2.4.66
LIBDRM_FREEDRENO_REQUIRED=2.4.65
LIBDRM_FREEDRENO_REQUIRED=2.4.67
DRI2PROTO_REQUIRED=2.6
DRI3PROTO_REQUIRED=1.0
PRESENTPROTO_REQUIRED=1.0

10
src/gallium/drivers/freedreno/freedreno_screen.c
View file

@ -537,6 +537,16 @@ fd_screen_create(struct fd_device *dev)
}
screen->device_id = val;
if (fd_pipe_get_param(screen->pipe, FD_MAX_FREQ, &val)) {
DBG("could not get gpu freq");
/* this limits what performance related queries are
* supported but is not fatal
*/
screen->max_freq = 0;
} else {
screen->max_freq = val;
}
if (fd_pipe_get_param(screen->pipe, FD_GPU_ID, &val)) {
DBG("could not get gpu-id");
goto fail;

1
src/gallium/drivers/freedreno/freedreno_screen.h
View file

@ -56,6 +56,7 @@ struct fd_screen {
uint32_t device_id;
uint32_t gpu_id; /* 220, 305, etc */
uint32_t chip_id; /* coreid:8 majorrev:8 minorrev:8 patch:8 */
uint32_t max_freq;
uint32_t max_rts; /* max # of render targets */
void *compiler; /* currently unused for a2xx */