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525b311bf8
As usual these patches were extracted from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
57 lines
1.8 KiB
Diff
57 lines
1.8 KiB
Diff
From 1b6ead4b4b409136e21beed9b2c51ce71b348cf6 Mon Sep 17 00:00:00 2001
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From: Eric Anholt <eric@anholt.net>
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Date: Fri, 22 Jan 2016 13:06:39 -0800
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Subject: [PATCH 192/304] drm/vc4: Add a debugfs node for tracking execution
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state.
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Signed-off-by: Eric Anholt <eric@anholt.net>
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---
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drivers/gpu/drm/vc4/vc4_debugfs.c | 1 +
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drivers/gpu/drm/vc4/vc4_drv.h | 1 +
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drivers/gpu/drm/vc4/vc4_gem.c | 14 ++++++++++++++
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3 files changed, 16 insertions(+)
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--- a/drivers/gpu/drm/vc4/vc4_debugfs.c
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+++ b/drivers/gpu/drm/vc4/vc4_debugfs.c
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@@ -17,6 +17,7 @@
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static const struct drm_info_list vc4_debugfs_list[] = {
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{"bo_stats", vc4_bo_stats_debugfs, 0},
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+ {"gem_exec", vc4_gem_exec_debugfs, 0},
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{"hdmi_regs", vc4_hdmi_debugfs_regs, 0},
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{"hvs_regs", vc4_hvs_debugfs_regs, 0},
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{"crtc0_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)0},
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--- a/drivers/gpu/drm/vc4/vc4_drv.h
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+++ b/drivers/gpu/drm/vc4/vc4_drv.h
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@@ -403,6 +403,7 @@ void vc4_job_handle_completed(struct vc4
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int vc4_queue_seqno_cb(struct drm_device *dev,
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struct vc4_seqno_cb *cb, uint64_t seqno,
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void (*func)(struct vc4_seqno_cb *cb));
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+int vc4_gem_exec_debugfs(struct seq_file *m, void *arg);
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/* vc4_hdmi.c */
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extern struct platform_driver vc4_hdmi_driver;
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--- a/drivers/gpu/drm/vc4/vc4_gem.c
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+++ b/drivers/gpu/drm/vc4/vc4_gem.c
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@@ -31,6 +31,20 @@
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#include "vc4_regs.h"
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#include "vc4_trace.h"
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+#ifdef CONFIG_DEBUG_FS
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+int vc4_gem_exec_debugfs(struct seq_file *m, void *unused)
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+{
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+ struct drm_info_node *node = (struct drm_info_node *)m->private;
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+ struct drm_device *dev = node->minor->dev;
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+ struct vc4_dev *vc4 = to_vc4_dev(dev);
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+
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+ seq_printf(m, "Emitted seqno: 0x%016llx\n", vc4->emit_seqno);
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+ seq_printf(m, "Finished seqno: 0x%016llx\n", vc4->finished_seqno);
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+
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+ return 0;
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+}
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+#endif /* CONFIG_DEBUG_FS */
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+
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static void
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vc4_queue_hangcheck(struct drm_device *dev)
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{
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