Attachment 68407 Details for Bug 54089 – Dump RP interrupts limits

[patch] Dump RP interrupts limits

0001-drm-i915-Dump-RP-interrupt-limits-into-debugfs-i915_.patch (text/plain), 2.30 KB, created by Chris Wilson on 2012-10-10 17:08:17 UTC

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Creator: Chris Wilson

Created: 2012-10-10 17:08:17 UTC

Size: 2.30 KB

patch

obsolete

>From 03e8a621ea43931e2e5943431cf4600041afe175 Mon Sep 17 00:00:00 2001
>From: Chris Wilson <chris@chris-wilson.co.uk>
>Date: Wed, 10 Oct 2012 18:05:57 +0100
>Subject: [PATCH] drm/i915: Dump RP interrupt limits into
> debugfs/i915_cur_delayinfo
>
>Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
>---
> drivers/gpu/drm/i915/i915_debugfs.c |   19 ++++++++++++++-----
> 1 file changed, 14 insertions(+), 5 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
>index c0d1029..50fbc16 100644
>--- a/drivers/gpu/drm/i915/i915_debugfs.c
>+++ b/drivers/gpu/drm/i915/i915_debugfs.c
>@@ -881,11 +881,11 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused)
> 		seq_printf(m, "Current P-state: %d\n",
> 			   (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT);
> 	} else if (IS_GEN6(dev) || IS_GEN7(dev)) {
>-		u32 gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS);
>-		u32 rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS);
>-		u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
>-		u32 rpstat;
>-		u32 rpupei, rpcurup, rpprevup;
>+		u32 gt_perf_status;
>+		u32 rp_state_limits;
>+		u32 rp_interrupt_limits;
>+		u32 rp_state_cap;
>+		u32 rpstat, rpupei, rpcurup, rpprevup;
> 		u32 rpdownei, rpcurdown, rpprevdown;
> 		int max_freq;
> 
>@@ -896,6 +896,11 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused)
> 
> 		gen6_gt_force_wake_get(dev_priv);
> 
>+		gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS);
>+		rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS);
>+		rp_interrupt_limits = I915_READ(GEN6_RP_INTERRUPT_LIMITS);
>+		rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
>+
> 		rpstat = I915_READ(GEN6_RPSTAT1);
> 		rpupei = I915_READ(GEN6_RP_CUR_UP_EI);
> 		rpcurup = I915_READ(GEN6_RP_CUR_UP);
>@@ -915,6 +920,10 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused)
> 			   gt_perf_status & 0xff);
> 		seq_printf(m, "Render p-state limit: %d\n",
> 			   rp_state_limits & 0xff);
>+		seq_printf(m, "Render up-interrupt threshold: %d\n",
>+			   (rp_interrupt_limits >> 24 & 0xff) * GT_FREQUENCY_MULTIPLIER);
>+		seq_printf(m, "Render down-interrupt threshold: %d\n",
>+			   (rp_interrupt_limits >> 16 & 0xff) * GT_FREQUENCY_MULTIPLIER);
> 		seq_printf(m, "CAGF: %dMHz\n", ((rpstat & GEN6_CAGF_MASK) >>
> 						GEN6_CAGF_SHIFT) * GT_FREQUENCY_MULTIPLIER);
> 		seq_printf(m, "RP CUR UP EI: %dus\n", rpupei &
>-- 
>1.7.10.4
>

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Attachments on bug 54089: 66140 | 66941 | 68407 | 69241 | 69253 | 69299 | 74922

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