[PATCH 03/20] drm/i915/icl: Show interrupt registers in debugfs

Mika Kuoppala
2018-02-13T16:38:06Z

From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

v2: Update for POR changes. (Daniele Ceraolo Spurio)

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Ceraolo Spurio, Daniele <daniele.ceraolospurio@intel.com>
---
drivers/gpu/drm/i915/i915_debugfs.c | 82 ++++++++++++++++++++++++++++++++++++-
1 file changed, 81 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 960302668649..49d5bed87798 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -703,6 +703,64 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
i, I915_READ(GEN8_GT_IER(i)));
}

+ seq_printf(m, "PCU interrupt mask:\t%08x\n",
+ I915_READ(GEN8_PCU_IMR));
+ seq_printf(m, "PCU interrupt identity:\t%08x\n",
+ I915_READ(GEN8_PCU_IIR));
+ seq_printf(m, "PCU interrupt enable:\t%08x\n",
+ I915_READ(GEN8_PCU_IER));
+ } else if (INTEL_GEN(dev_priv) >= 11) {
+ seq_printf(m, "Master Interrupt Control: %08x\n",
+ I915_READ(GEN11_GFX_MSTR_IRQ));
+
+ seq_printf(m, "Render/Copy Intr Enable: %08x\n",
+ I915_READ(GEN11_RENDER_COPY_INTR_ENABLE));
+ seq_printf(m, "VCS/VECS Intr Enable: %08x\n",
+ I915_READ(GEN11_VCS_VECS_INTR_ENABLE));
+ seq_printf(m, "GUC/SG Intr Enable:\t %08x\n",
+ I915_READ(GEN11_GUC_SG_INTR_ENABLE));
+ seq_printf(m, "GPM/WGBOXPERF Intr Enable: %08x\n",
+ I915_READ(GEN11_GPM_WGBOXPERF_INTR_ENABLE));
+ seq_printf(m, "Crypto Intr Enable:\t %08x\n",
+ I915_READ(GEN11_CRYPTO_RSVD_INTR_ENABLE));
+ seq_printf(m, "GUnit/CSME Intr Enable:\t %08x\n",
+ I915_READ(GEN11_GUNIT_CSME_INTR_ENABLE));
+
+ seq_printf(m, "Display Interrupt Control:\t%08x\n",
+ I915_READ(GEN11_DISPLAY_INT_CTL));
+
+ for_each_pipe(dev_priv, pipe) {
+ if (!intel_display_power_is_enabled(dev_priv,
+ POWER_DOMAIN_PIPE(pipe))) {
+ seq_printf(m, "Pipe %c power disabled\n",
+ pipe_name(pipe));
+ continue;
+ }
+ seq_printf(m, "Pipe %c IMR:\t%08x\n",
+ pipe_name(pipe),
+ I915_READ(GEN8_DE_PIPE_IMR(pipe)));
+ seq_printf(m, "Pipe %c IIR:\t%08x\n",
+ pipe_name(pipe),
+ I915_READ(GEN8_DE_PIPE_IIR(pipe)));
+ seq_printf(m, "Pipe %c IER:\t%08x\n",
+ pipe_name(pipe),
+ I915_READ(GEN8_DE_PIPE_IER(pipe)));
+ }
+
+ seq_printf(m, "Display Engine port interrupt mask:\t%08x\n",
+ I915_READ(GEN8_DE_PORT_IMR));
+ seq_printf(m, "Display Engine port interrupt identity:\t%08x\n",
+ I915_READ(GEN8_DE_PORT_IIR));
+ seq_printf(m, "Display Engine port interrupt enable:\t%08x\n",
+ I915_READ(GEN8_DE_PORT_IER));
+
+ seq_printf(m, "Display Engine misc interrupt mask:\t%08x\n",
+ I915_READ(GEN8_DE_MISC_IMR));
+ seq_printf(m, "Display Engine misc interrupt identity:\t%08x\n",
+ I915_READ(GEN8_DE_MISC_IIR));
+ seq_printf(m, "Display Engine misc interrupt enable:\t%08x\n",
+ I915_READ(GEN8_DE_MISC_IER));
+
seq_printf(m, "PCU interrupt mask:\t%08x\n",
I915_READ(GEN8_PCU_IMR));
seq_printf(m, "PCU interrupt identity:\t%08x\n",
@@ -846,13 +904,35 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
seq_printf(m, "Graphics Interrupt mask: %08x\n",
I915_READ(GTIMR));
}
- if (INTEL_GEN(dev_priv) >= 6) {
+
+ if (INTEL_GEN(dev_priv) >= 11) {
+ seq_printf(m, "RCS Intr Mask:\t %08x\n",
+ I915_READ(GEN11_RCS0_RSVD_INTR_MASK));
+ seq_printf(m, "BCS Intr Mask:\t %08x\n",
+ I915_READ(GEN11_BCS_RSVD_INTR_MASK));
+ seq_printf(m, "VCS0/VCS1 Intr Mask:\t %08x\n",
+ I915_READ(GEN11_VCS0_VCS1_INTR_MASK));
+ seq_printf(m, "VCS2/VCS3 Intr Mask:\t %08x\n",
+ I915_READ(GEN11_VCS2_VCS3_INTR_MASK));
+ seq_printf(m, "VECS0/VECS1 Intr Mask:\t %08x\n",
+ I915_READ(GEN11_VECS0_VECS1_INTR_MASK));
+ seq_printf(m, "GUC/SG Intr Mask:\t %08x\n",
+ I915_READ(GEN11_GUC_SG_INTR_MASK));
+ seq_printf(m, "GPM/WGBOXPERF Intr Mask: %08x\n",
+ I915_READ(GEN11_GPM_WGBOXPERF_INTR_MASK));
+ seq_printf(m, "Crypto Intr Mask:\t %08x\n",
+ I915_READ(GEN11_CRYPTO_RSVD_INTR_MASK));
+ seq_printf(m, "Gunit/CSME Intr Mask:\t %08x\n",
+ I915_READ(GEN11_GUNIT_CSME_INTR_MASK));
+
+ } else if (INTEL_GEN(dev_priv) >= 6) {
for_each_engine(engine, dev_priv, id) {
seq_printf(m,
"Graphics Interrupt mask (%s): %08x\n",
engine->name, I915_READ_IMR(engine));
}
}
+
intel_runtime_pm_put(dev_priv);

return 0;
--
2.14.1