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531a1b622d
Add a debugfs entry and helper for reporting HVS underrun errors as well as helpers for masking and unmasking the underrun interrupts. Add an IRQ handler and initial IRQ configuration. Rework related register definitions to take the channel number. Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190220155124.25022-2-paul.kocialkowski@bootlin.com
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/*
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* Copyright © 2014 Broadcom
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/seq_file.h>
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#include <linux/circ_buf.h>
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#include <linux/ctype.h>
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#include <linux/debugfs.h>
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#include <drm/drmP.h>
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#include "vc4_drv.h"
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#include "vc4_regs.h"
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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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{"dpi_regs", vc4_dpi_debugfs_regs, 0},
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{"dsi1_regs", vc4_dsi_debugfs_regs, 0, (void *)(uintptr_t)1},
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{"hdmi_regs", vc4_hdmi_debugfs_regs, 0},
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{"vec_regs", vc4_vec_debugfs_regs, 0},
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{"txp_regs", vc4_txp_debugfs_regs, 0},
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{"hvs_regs", vc4_hvs_debugfs_regs, 0},
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{"hvs_underrun", vc4_hvs_debugfs_underrun, 0},
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{"crtc0_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)0},
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{"crtc1_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)1},
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{"crtc2_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)2},
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{"v3d_ident", vc4_v3d_debugfs_ident, 0},
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{"v3d_regs", vc4_v3d_debugfs_regs, 0},
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};
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#define VC4_DEBUGFS_ENTRIES ARRAY_SIZE(vc4_debugfs_list)
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int
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vc4_debugfs_init(struct drm_minor *minor)
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{
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return drm_debugfs_create_files(vc4_debugfs_list, VC4_DEBUGFS_ENTRIES,
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minor->debugfs_root, minor);
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}
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