Wei Ni [Tue, 16 Jun 2015 09:35:12 +0000 (17:35 +0800)]
drm/nouveau/drm/nouveau/clk: fix tstate to pstate calculation
According to the tstate calculation in nvkm_clk_tstate(),
the range of tstate is from -(clk->state_nr - 1) to 0,
it mean the tstate is negative value. But in nvkm_pstate_work(),
it use (clk->state_nr - 1 - clk->tstate) to limit pstate,
it's not correct.
This patch fix it to use (clk->state_nr - 1 + clk->tstate) to
limit pstate.
Signed-off-by: Wei Ni <wni@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Samuel Pitoiset [Sun, 14 Jun 2015 11:50:06 +0000 (13:50 +0200)]
drm/nouveau/pm: some fixes related to sources
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Samuel Pitoiset [Sun, 14 Jun 2015 11:50:05 +0000 (13:50 +0200)]
drm/nouveau/pm: fix signals/sources for GT200+
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Samuel Pitoiset [Sun, 14 Jun 2015 11:33:55 +0000 (13:33 +0200)]
drm/nouveau/pm/gf100: add compute signals/sources
These signals and sources have been reverse engineered from CUPTI
(Linux). Graphics signals exposed by PerfKit (Windows only) will be
added later. I need to reverse engineer them and it's a bit painful.
This commit also adds a new class for GF108 and GF117.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Samuel Pitoiset [Sun, 14 Jun 2015 11:33:54 +0000 (13:33 +0200)]
drm/nouveau/pm/gf100: allow to share GPC, HUB and PART domains
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Ben Skeggs [Sun, 14 Jun 2015 02:20:37 +0000 (12:20 +1000)]
drm/nouveau/pm: stack perfdom class under perfmon
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Ben Skeggs [Sun, 14 Jun 2015 02:10:59 +0000 (12:10 +1000)]
drm/nouveau/pm: swap perfmon/perfdom code to avoid forward decl in next commit
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:28 +0000 (22:40 +0200)]
drm/nouveau/pm/nv50: add compute and graphics signals/sources
These signals and sources have been reverse engineered from NVIDIA
PerfKit (Windows) and CUPTI (Linux), they will be used to build complex
hardware events from the userspace.
This commit also adds a new class for GT200.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:27 +0000 (22:40 +0200)]
drm/nouveau/pm: allow the userspace to configure sources
Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:26 +0000 (22:40 +0200)]
drm/nouveau/pm: allow to configure domains instead of simple counters
Configuring counters from the userspace require the kernel to handle some
logic related to performance counters. Basically, it has to find a free
slot to assign a counter, to handle extra counting modes like B4/B6 and it
must return and error when it can't configure a counter.
In my opinion, the kernel should not handle all of that logic but it
should only write the configuration sent by the userspace without
checking anything. In other words, it should overwrite the configuration
even if it's already counting and do not return any errors.
This patch allows the userspace to configure a domain instead of
separate counters. This has the advantage to move all of the logic to
the userspace.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:25 +0000 (22:40 +0200)]
drm/nouveau/pm: allow the userspace to schedule hardware counters
This adds a new method NVIF_PERFCTR_V0_INIT which starts a batch of
hardware counters for sampling. This will allow the userspace to start
a monitoring session using the INIT method and to stop it with SAMPLE,
for example before and after a frame is rendered.
This commit temporarily breaks nv_perfmon but this is going to be fixed
with the upcoming patch.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:24 +0000 (22:40 +0200)]
drm/nouveau/pm: implement NVIF_PERFMON_V0_QUERY_SOURCE method
This allows to query the ID, the mask and the user-readable name of
sources for each signal.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:23 +0000 (22:40 +0200)]
drm/nouveau/pm: allow to query the number of sources for a signal
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>