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Commit 1d8f38f4 authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915: Record BLT engine error state 



Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent 33626e6a

drivers/gpu/drm/i915/i915_debugfs.c

+13 −6
Original line number Diff line number Diff line
@@ -616,20 +616,27 @@ static int i915_error_state(struct seq_file *m, void *unused) 
	seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,

		   error->time.tv_usec);

	seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);

	if (INTEL_INFO(dev)->gen >= 6) {

		seq_printf(m, "ERROR: 0x%08x\n", error->error);

	}

	seq_printf(m, "EIR: 0x%08x\n", error->eir);

	seq_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er);

	seq_printf(m, "  INSTPM: 0x%08x\n", error->instpm);

	if (INTEL_INFO(dev)->gen >= 6) {

		seq_printf(m, "ERROR: 0x%08x\n", error->error);

		seq_printf(m, "Blitter command stream:\n");

		seq_printf(m, "  ACTHD:    0x%08x\n", error->bcs_acthd);

		seq_printf(m, "  IPEHR:    0x%08x\n", error->bcs_ipehr);

		seq_printf(m, "  IPEIR:    0x%08x\n", error->bcs_ipeir);

		seq_printf(m, "  INSTDONE: 0x%08x\n", error->bcs_instdone);

		seq_printf(m, "  seqno:    0x%08x\n", error->bcs_seqno);

	}

	seq_printf(m, "Render command stream:\n");

	seq_printf(m, "  ACTHD: 0x%08x\n", error->acthd);

	seq_printf(m, "  IPEIR: 0x%08x\n", error->ipeir);

	seq_printf(m, "  IPEHR: 0x%08x\n", error->ipehr);

	seq_printf(m, "  INSTDONE: 0x%08x\n", error->instdone);

	seq_printf(m, "  ACTHD: 0x%08x\n", error->acthd);

	if (INTEL_INFO(dev)->gen >= 4) {

		seq_printf(m, "  INSTPS: 0x%08x\n", error->instps);

		seq_printf(m, "  INSTDONE1: 0x%08x\n", error->instdone1);

		seq_printf(m, "  INSTPS: 0x%08x\n", error->instps);

	}

	seq_printf(m, "  INSTPM: 0x%08x\n", error->instpm);

	seq_printf(m, "  seqno: 0x%08x\n", error->seqno);



	if (error->active_bo_count) {

drivers/gpu/drm/i915/i915_drv.h

+6 −1
Original line number Diff line number Diff line
@@ -142,13 +142,18 @@ struct sdvo_device_mapping { 
struct drm_i915_error_state {

	u32 eir;

	u32 pgtbl_er;

	u32 error; /* gen6+ */

	u32 pipeastat;

	u32 pipebstat;

	u32 ipeir;

	u32 ipehr;

	u32 instdone;

	u32 acthd;

	u32 error; /* gen6+ */

	u32 bcs_acthd; /* gen6+ blt engine */

	u32 bcs_ipehr;

	u32 bcs_ipeir;

	u32 bcs_instdone;

	u32 bcs_seqno;

	u32 instpm;

	u32 instps;

	u32 instdone1;

drivers/gpu/drm/i915/i915_irq.c

+7 −0
Original line number Diff line number Diff line
@@ -595,6 +595,13 @@ static void i915_capture_error_state(struct drm_device *dev) 
	error->error = 0;

	if (INTEL_INFO(dev)->gen >= 6) {

		error->error = I915_READ(ERROR_GEN6);

		error->bcs_acthd = I915_READ(BCS_ACTHD);

		error->bcs_ipehr = I915_READ(BCS_IPEHR);

		error->bcs_ipeir = I915_READ(BCS_IPEIR);

		error->bcs_instdone = I915_READ(BCS_INSTDONE);

		error->bcs_seqno = 0;

		if (dev_priv->blt_ring.get_seqno)

			error->bcs_seqno = dev_priv->blt_ring.get_seqno(&dev_priv->blt_ring);

	}

	if (INTEL_INFO(dev)->gen >= 4) {

		error->ipeir = I915_READ(IPEIR_I965);

drivers/gpu/drm/i915/i915_reg.h

+4 −0
Original line number Diff line number Diff line
@@ -305,6 +305,10 @@ 
#define INSTDONE	0x02090

#define NOPID		0x02094

#define HWSTAM		0x02098

#define BCS_INSTDONE	0x2206C

#define BCS_IPEIR	0x22064

#define BCS_IPEHR	0x22068

#define BCS_ACTHD	0x22074



#define ERROR_GEN6	0x040a0