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/linux/drivers/gpu/drm/i915/display/
H A Dintel_fifo_underrun.c39 * DOC: fifo underrun handling
45 * If an underrun is detected this is logged into dmesg. To avoid flooding logs
46 * and occupying the cpu underrun interrupts are disabled after the first
49 * Note that underrun detection on gmch platforms is a bit more ugly since there
51 * interrupt register). Also on some other platforms underrun interrupts are
52 * shared, which means that if we detect an underrun we need to disable underrun
55 * The code also supports underrun detection on the PCH transcoder.
113 drm_err(&dev_priv->drm, "pipe %c underrun\n", pipe_name(crtc->pipe)); in i9xx_check_fifo_underruns()
133 drm_err(&dev_priv->drm, "pipe %c underrun\n", in i9xx_set_fifo_underrun_reporting()
167 drm_err(&dev_priv->drm, "fifo underrun on pipe %c\n", pipe_name(pipe)); in ivb_check_fifo_underruns()
[all …]
H A Dintel_fbc.c1395 * having a Y offset that isn't divisible by 4 causes FIFO underrun in intel_fbc_check_plane()
1719 fbc->no_fbc_reason = "FIFO underrun"; in __intel_fbc_enable()
1803 drm_dbg_kms(display->drm, "Disabling FBC due to FIFO underrun.\n"); in intel_fbc_underrun_work_fn()
1806 intel_fbc_deactivate(fbc, "FIFO underrun"); in intel_fbc_underrun_work_fn()
1824 "Re-allowing FBC after fifo underrun\n"); in __intel_fbc_reset_underrun()
1825 fbc->no_fbc_reason = "FIFO underrun cleared"; in __intel_fbc_reset_underrun()
1833 * intel_fbc_reset_underrun - reset FBC fifo underrun status.
1837 * want to re-enable FBC after an underrun to increase test coverage.
1867 * intel_fbc_handle_fifo_underrun_irq - disable FBC when we get a FIFO underrun
1874 * in case we ever detect a FIFO underrun on any pipe. An underrun on any pipe
/linux/drivers/gpu/drm/stm/
H A Dltdc.h33 bool fifo_threshold; /* fifo underrun threshold supported */
50 u32 fifo_err; /* fifo underrun error counter */
51 u32 fifo_warn; /* fifo underrun warning counter */
52 u32 fifo_threshold; /* fifo underrun threshold */
/linux/drivers/video/fbdev/
H A Dpxa3xx-regs.h67 #define LCCR0_IUM (1 << 5) /* Input FIFO underrun mask */
80 #define LCCR0_OUM (1 << 21) /* Output FIFO underrun mask */
139 #define LCCR5_IUM(x) (1 << ((x) + 23)) /* input underrun mask */
148 #define LCSR_IUL (1 << 4) /* input FIFO underrun Lower panel */
149 #define LCSR_IUU (1 << 5) /* input FIFO underrun Upper panel */
150 #define LCSR_OU (1 << 6) /* output FIFO underrun */
158 #define LCSR1_IU(x) (1 << ((x) + 23)) /* Input FIFO underrun */
/linux/drivers/media/platform/ti/omap3isp/
H A Dispccdc.h119 * @underrun: A buffer underrun occurred and a new buffer has been queued
151 unsigned int underrun:1; member
/linux/drivers/net/wireless/ath/ath9k/
H A Ddebug.h70 * @txurn: TX FIFO underrun
155 * @fifo_underrun: FIFO underrun occurrences
162 * @data_urn: TX data underrun errors
163 * @delim_urn: TX delimiter underrun errors
/linux/drivers/net/wan/
H A Dhd64572.h196 3 Underrun Overrun
205 #define DST_UDR 0x08 /* Underrun */
234 #define URCNTL 0x164 /* Underrun Counter L */
235 #define URCNTH 0x165 /* Underrun Counter H */
236 #define URCCR 0x167 /* Underrun Counter Ctl Reg */
440 #define IE0_UDRN 0x00008000 /* TX underrun MSCI interrupt enable */
/linux/Documentation/admin-guide/blockdev/
H A Dfloppy.rst129 To tune the fifo threshold, switch on over/underrun messages
131 disk. If you get a huge amount of "Over/Underrun - retrying"
133 higher value, until you only get an occasional Over/Underrun.
/linux/sound/arm/
H A Daaci.h76 #define SR_TXU (1 << 9) /* tx underrun */
113 #define ISR_UR (1 << 5) /* tx fifo underrun */
124 #define IE_UR (1 << 5) /* tx fifo underrun */
/linux/drivers/net/fddi/skfp/
H A Ddrvfbi.c193 * buffer underrun: can only occur if a tx threshold is specified in mac1_irq()
195 if (stl & (FM_STBURS | /* tx buffer underrun syn.q.*/ in mac1_irq()
196 FM_STBURA0 | /* tx buffer underrun a.q.0 */ in mac1_irq()
197 FM_STBURA1)) { /* tx buffer underrun a.q.2 */ in mac1_irq()
/linux/drivers/tty/serial/
H A Dip22zilog.h156 #define ABUNDER 4 /* Abort/flag on SDLC xmit underrun */
204 #define TxUIE 0x40 /* Tx Underrun/EOM IE */
215 #define TxEOM 0x40 /* Tx underrun */
H A Dzs.h175 #define ABUNDER 4 /* Abort/flag on SDLC xmit underrun */
224 #define TxUIE 0x40 /* Tx Underrun/EOM IE */
235 #define TxEOM 0x40 /* Tx underrun */
H A Dsunzilog.h158 #define ABUNDER 4 /* Abort/flag on SDLC xmit underrun */
208 #define TxUIE 0x40 /* Tx Underrun/EOM IE */
219 #define TxEOM 0x40 /* Tx underrun */
H A Dpmac_zilog.h239 #define ABUNDER 4 /* Abort/flag on SDLC xmit underrun */
289 #define TxUIE 0x40 /* Tx Underrun/EOM IE */
300 #define TxEOM 0x40 /* Tx underrun */
/linux/drivers/net/hamradio/
H A Dz8530.h120 #define ABUNDER 4 /* Abort/flag on SDLC xmit underrun */
168 #define TxUIE 0x40 /* Tx Underrun/EOM IE */
179 #define TxEOM 0x40 /* Tx underrun */
/linux/Documentation/scheduler/
H A Dsched-bwc.rst27 This feature borrows time now against our future underrun, at the cost of
48 underrun as long as our x is above the average.
55 the other doesn't underrun enough to compensate; this depends on the
/linux/sound/soc/pxa/
H A Dpxa2xx-i2s.c53 #define SASR0_TUR (1 << 5) /* Tx FIFO Underrun */
61 #define SAICR_TUR (1 << 5) /* Clear Tx FIFO Underrun Interrupt */
64 #define SAIMR_TUR (1 << 5) /* Enable Tx FIFO Underrun Condition Interrupt */
/linux/lib/
H A Dinflate.c233 #define NEXTBYTE() ({ int v = get_byte(); if (v < 0) goto underrun; (uch)v; })
698 underrun: in inflate_codes()
699 return 4; /* Input underrun */ in inflate_codes()
757 underrun: in inflate_stored()
758 return 4; /* Input underrun */ in inflate_stored()
1027 underrun:
1028 ret = 4; /* Input underrun */
1079 underrun: in inflate_block()
1080 return 4; /* Input underrun */ in inflate_block()
1305 underrun: /* NEXTBYTE() goto's here if needed */ in gunzip()
/linux/sound/core/
H A DKconfig206 bool "Enable PCM ring buffer overrun/underrun debugging"
210 Say Y to enable the PCM ring buffer overrun/underrun debugging.
/linux/drivers/comedi/drivers/
H A Dcomedi_test.c479 /* unexpected underrun! (cancelled?) */ in waveform_ao_timer()
481 goto underrun; in waveform_ao_timer()
492 /* unexpected underrun! (cancelled?) */ in waveform_ao_timer()
494 goto underrun; in waveform_ao_timer()
518 underrun: in waveform_ao_timer()
/linux/sound/soc/atmel/
H A Datmel-i2s.c96 /* x sample transmitted when underrun */
132 #define ATMEL_I2SC_SR_TXUR BIT(6) /* Transmit Underrun */
138 /* Transmit Underrun Channel */
243 "TX underrun on channel %d\n", ch); in atmel_i2s_interrupt()
/linux/drivers/net/ethernet/atheros/atlx/
H A Datl2.h154 #define ISR_TXF_UR 8 /* TXF underrun interrupt */
250 unsigned underrun:1; /* current packet is aborted member
251 * due to txram underrun */
H A Datl1.h356 u32 tx_underrun; /* TX packets aborted due to TX FIFO underrun
357 * or TRD FIFO underrun */
671 u64 tx_underrun; /* TX packets aborted due to TX FIFO underrun
672 * or TRD FIFO underrun */
/linux/sound/pci/ice1712/
H A Denvy24ht.h124 #define VT1724_MULTI_FIFO_ERR 0x08 /* DMA FIFO underrun/overrun. */
157 #define VT1724_MT_DMA_FIFO_ERR 0x1a /*Global playback and record DMA FIFO Underrun/Overrun */
/linux/drivers/net/wireless/intel/iwlegacy/
H A D4965-debug.c599 scnprintf(buf + pos, bufsz - pos, fmt_table, "agg underrun:", in il4965_ucode_tx_stats_read()
600 le32_to_cpu(tx->agg.underrun), accum_tx->agg.underrun, in il4965_ucode_tx_stats_read()
601 delta_tx->agg.underrun, max_tx->agg.underrun); in il4965_ucode_tx_stats_read()

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