diff options
| author | Mika Kuoppala | 2017-09-22 14:43:07 +0200 |
|---|---|---|
| committer | Mika Kuoppala | 2017-09-25 10:33:53 +0200 |
| commit | 76e70087d360fdbe97f24c205d585ada04126e5f (patch) | |
| tree | 2ad0fd9d5614b6d79367055577528318ececda1d /drivers/gpu/drm/i915/i915_gpu_error.c | |
| parent | drm/i915: Add execlist_port_complete (diff) | |
| download | kernel-qcow2-linux-76e70087d360fdbe97f24c205d585ada04126e5f.tar.gz kernel-qcow2-linux-76e70087d360fdbe97f24c205d585ada04126e5f.tar.xz kernel-qcow2-linux-76e70087d360fdbe97f24c205d585ada04126e5f.zip | |
drm/i915: Make execlist port count variable
As we emulate execlists on top of the GuC workqueue, it is not
restricted to just 2 ports and we can increase that number arbitrarily
to trade-off queue depth (i.e. scheduling latency) against pipeline
bubbles.
v2: rebase. better commit msg (Chris)
v3: rebase
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20170922124307.10914-5-mika.kuoppala@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gpu_error.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gpu_error.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 20a1f034bf95..881fbe8d179b 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -396,6 +396,8 @@ static void error_print_context(struct drm_i915_error_state_buf *m, static void error_print_engine(struct drm_i915_error_state_buf *m, const struct drm_i915_error_engine *ee) { + int n; + err_printf(m, "%s command stream:\n", engine_str(ee->engine_id)); err_printf(m, " START: 0x%08x\n", ee->start); err_printf(m, " HEAD: 0x%08x [0x%08x]\n", ee->head, ee->rq_head); @@ -465,8 +467,11 @@ static void error_print_engine(struct drm_i915_error_state_buf *m, jiffies_to_msecs(jiffies - ee->hangcheck_timestamp)); err_printf(m, " engine reset count: %u\n", ee->reset_count); - error_print_request(m, " ELSP[0]: ", &ee->execlist[0]); - error_print_request(m, " ELSP[1]: ", &ee->execlist[1]); + for (n = 0; n < ee->num_ports; n++) { + err_printf(m, " ELSP[%d]:", n); + error_print_request(m, " ", &ee->execlist[n]); + } + error_print_context(m, " Active context: ", &ee->context); } @@ -1327,17 +1332,19 @@ static void engine_record_requests(struct intel_engine_cs *engine, static void error_record_engine_execlists(struct intel_engine_cs *engine, struct drm_i915_error_engine *ee) { - const struct execlist_port *port = engine->execlists.port; + const struct intel_engine_execlists * const execlists = &engine->execlists; unsigned int n; - for (n = 0; n < ARRAY_SIZE(engine->execlists.port); n++) { - struct drm_i915_gem_request *rq = port_request(&port[n]); + for (n = 0; n < execlists_num_ports(execlists); n++) { + struct drm_i915_gem_request *rq = port_request(&execlists->port[n]); if (!rq) break; record_request(rq, &ee->execlist[n]); } + + ee->num_ports = n; } static void record_context(struct drm_i915_error_context *e, |