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/linux/Documentation/ABI/testing/
H A Dsysfs-bus-iio-dac-ltc26885 Dither enable. Write 1 to enable dither or 0 to disable it. This is useful
6 for changing the dither parameters. They way it should be done is:
8 - disable dither operation;
9 - change dither parameters (eg: frequency, phase...);
10 - enabled dither operation
16 This raw, unscaled value refers to the dither signal amplitude.
24 Available range for dither raw amplitude values.
37 Sets the dither signal frequency. Units are in Hz.
43 Returns the available values for the dither frequency.
49 Sets the dither signal phase. Units are in Radians.
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H A Dsysfs-bus-iio-dac-ad57665 Dither enable. Write 1 to enable dither or 0 to disable it.
11 Inverts the dither applied to the selected DAC channel. Dither is not
12 inverted by default. Write "1" to invert dither.
24 Scales the dither before it is applied to the selected channel.
30 Selects dither source applied to the selected channel. Write "0" to
/linux/drivers/gpu/drm/msm/disp/dpu1/
H A Ddpu_hw_pingpong.h17 * struct dpu_hw_dither_cfg - dither feature structure
19 * @temporal_en: temperal dither enable
24 * @matrix: dither strength matrix
41 * @setup_dither : function to program the dither hw block
76 * @setup_dither: Setup dither matix for pingpong block
/linux/Documentation/devicetree/bindings/iio/dac/
H A Dadi,ltc2688.yaml88 adi,toggle-dither-input:
91 only makes sense for toggle or dither enabled channels. If
93 assumed to be a dither capable channel. Note that multiple channels
104 adi,toggle-dither-input: [ clocks ]
142 adi,toggle-dither-input = <2>;
/linux/drivers/gpu/drm/nouveau/dispnv50/
H A Dhead.c78 if (asyh->set.dither ) head->func->dither (head, asyh); in nv50_head_flush_set()
104 if (asyc->dither.mode) { in nv50_head_atomic_check_dither()
105 if (asyc->dither.mode == DITHERING_MODE_AUTO) { in nv50_head_atomic_check_dither()
109 mode = asyc->dither.mode; in nv50_head_atomic_check_dither()
112 if (asyc->dither.depth == DITHERING_DEPTH_AUTO) { in nv50_head_atomic_check_dither()
116 mode |= asyc->dither.depth; in nv50_head_atomic_check_dither()
120 asyh->dither.enable = NVVAL_GET(mode, NV507D, HEAD_SET_DITHER_CONTROL, ENABLE); in nv50_head_atomic_check_dither()
121 asyh->dither.bits = NVVAL_GET(mode, NV507D, HEAD_SET_DITHER_CONTROL, BITS); in nv50_head_atomic_check_dither()
122 asyh->dither.mode = NVVAL_GET(mode, NV507D, HEAD_SET_DITHER_CONTROL, MODE); in nv50_head_atomic_check_dither()
123 asyh->set.dither = true; in nv50_head_atomic_check_dither()
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H A Dhead917d.c41 NVVAL(NV917D, HEAD_SET_DITHER_CONTROL, ENABLE, asyh->dither.enable) | in head917d_dither()
42 NVVAL(NV917D, HEAD_SET_DITHER_CONTROL, BITS, asyh->dither.bits) | in head917d_dither()
43 NVVAL(NV917D, HEAD_SET_DITHER_CONTROL, MODE, asyh->dither.mode) | in head917d_dither()
135 .dither = head917d_dither,
H A Dheadc37d.c96 NVVAL(NVC37D, HEAD_SET_DITHER_CONTROL, ENABLE, asyh->dither.enable) | in headc37d_dither()
97 NVVAL(NVC37D, HEAD_SET_DITHER_CONTROL, BITS, asyh->dither.bits) | in headc37d_dither()
99 NVVAL(NVC37D, HEAD_SET_DITHER_CONTROL, MODE, asyh->dither.mode) | in headc37d_dither()
296 .dither = headc37d_dither,
H A Datom.h108 } dither; member
142 bool dither:1; member
H A Dhead907d.c88 NVVAL(NV907D, HEAD_SET_DITHER_CONTROL, ENABLE, asyh->dither.enable) | in head907d_dither()
89 NVVAL(NV907D, HEAD_SET_DITHER_CONTROL, BITS, asyh->dither.bits) | in head907d_dither()
90 NVVAL(NV907D, HEAD_SET_DITHER_CONTROL, MODE, asyh->dither.mode) | in head907d_dither()
430 .dither = head907d_dither,
H A Dhead507d.c59 NVVAL(NV507D, HEAD_SET_DITHER_CONTROL, ENABLE, asyh->dither.enable) | in head507d_dither()
60 NVVAL(NV507D, HEAD_SET_DITHER_CONTROL, BITS, asyh->dither.bits) | in head507d_dither()
61 NVVAL(NV507D, HEAD_SET_DITHER_CONTROL, MODE, asyh->dither.mode) | in head507d_dither()
447 .dither = head507d_dither,
/linux/drivers/gpu/drm/amd/display/amdgpu_dm/
H A Damdgpu_dm_crc.c40 "crtc dither",
42 "dprx dither",
54 if (!strcmp(source, "crtc dither")) in dm_parse_crc_source()
56 if (!strcmp(source, "dprx dither")) in dm_parse_crc_source()
631 * None | CRTC | Disable CRTC CRC, set default to dither in amdgpu_dm_crtc_set_crc_source()
632 * None | DPRX | Disable DPRX CRC, need 'aux', set default to dither in amdgpu_dm_crtc_set_crc_source()
633 * None | CRTC DITHER | Disable CRTC CRC in amdgpu_dm_crtc_set_crc_source()
634 * None | DPRX DITHER | Disable DPRX CRC, need 'aux' in amdgpu_dm_crtc_set_crc_source()
635 * CRTC | XXXX | Enable CRTC CRC, no dither in amdgpu_dm_crtc_set_crc_source()
636 * DPRX | XXXX | Enable DPRX CRC, need 'aux', no dither in amdgpu_dm_crtc_set_crc_source()
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/linux/drivers/gpu/drm/nouveau/
H A Dnouveau_connector.c114 *val = asyc->dither.mode; in nouveau_conn_atomic_get_property()
116 *val = asyc->dither.depth; in nouveau_conn_atomic_get_property()
192 if (asyc->dither.mode != val) { in nouveau_conn_atomic_set_property()
193 asyc->dither.mode = val; in nouveau_conn_atomic_set_property()
194 asyc->set.dither = true; in nouveau_conn_atomic_set_property()
198 if (asyc->dither.mode != val) { in nouveau_conn_atomic_set_property()
199 asyc->dither.depth = val; in nouveau_conn_atomic_set_property()
200 asyc->set.dither = true; in nouveau_conn_atomic_set_property()
238 asyc->dither = armc->dither; in nouveau_conn_atomic_duplicate_state()
264 asyc->dither.mode = DITHERING_MODE_AUTO; in nouveau_conn_reset()
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H A Dnouveau_connector.h89 } dither; member
112 bool dither:1; member
/linux/drivers/gpu/drm/i915/display/
H A Ddvo_ns2501.c93 #define NS2501_F9_DITHER_MASK (0x7f<<1) /* controls the dither depth */
94 #define NS2501_F9_DITHER_SHIFT 1 /* shifts the dither mask */
179 * bits control the depth of the dither. The higher the value,
185 #define NS2501_F9_DITHER_MASK (0x7f<<1) /* dither masking */
186 #define NS2501_F9_DITHER_SHIFT 1 /* upshift of the dither mask */
209 u8 dither; /* configuration of the dithering */ member
236 .dither = 0x0f,
256 .dither = 0x0f,
275 .dither = 0x0f,
639 ns2501_writeb(dvo, NS2501_REGF9, conf->dither); in ns2501_mode_set()
/linux/drivers/iio/dac/
H A Dltc2688.c204 /* 2 LSBs set to 0 if writing dither amplitude */ in ltc2688_dac_code_write()
220 * If in dither/toggle mode the dac should be updated by an in ltc2688_dac_code_write()
719 /* calculate available dither frequencies */ in ltc2688_tgp_clk_setup()
786 ret = fwnode_property_read_u32(child, "adi,toggle-dither-input", in ltc2688_channel_config()
791 "toggle-dither-input inv value(%d)\n", in ltc2688_channel_config()
806 * If a TGPx is given, we automatically assume a dither in ltc2688_channel_config()
808 * On top of this we just set here the dither bit in the in ltc2688_channel_config()
810 * global toggle/dither bit is enabled. in ltc2688_channel_config()
H A Dad5766.c81 * Dither signal can also be scaled.
82 * Available dither scale strings corresponding to "dither_scale" field in
99 * @dither_enable: Power enable bit for each channel dither block (for
102 * @dither_invert: Inverts the dither signal applied to the selected DAC
533 /* Dither power down */ in ad5766_default_setup()
/linux/drivers/media/platform/mediatek/mdp3/
H A Dmtk-img-ipi.h75 u32 flags; /* HDR, DRE, dither */
82 u32 flags; /* H-flip, sharpness, dither */
/linux/sound/soc/codecs/
H A Dwm8741.h190 #define WM8741_DITHER_MASK 0x0003 /* DITHER - [1:0] */
191 #define WM8741_DITHER_SHIFT 0 /* DITHER - [1:0] */
192 #define WM8741_DITHER_WIDTH 2 /* DITHER - [1:0] */
/linux/drivers/gpu/drm/nouveau/dispnv04/
H A Ddfp.c422 regp->dither = savep->dither | 0x00010000; in nv04_dfp_mode_set()
425 regp->dither = savep->dither | 0x00000001; in nv04_dfp_mode_set()
440 regp->dither = savep->dither; in nv04_dfp_mode_set()
/linux/drivers/gpu/drm/radeon/
H A Drs600.c172 enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE; in avivo_program_fmt() local
177 dither = radeon_connector->dither; in avivo_program_fmt()
189 if (dither == RADEON_FMT_DITHER_ENABLE) in avivo_program_fmt()
190 /* XXX sort out optimal dither settings */ in avivo_program_fmt()
196 if (dither == RADEON_FMT_DITHER_ENABLE) in avivo_program_fmt()
197 /* XXX sort out optimal dither settings */ in avivo_program_fmt()
/linux/include/media/drv-intf/
H A Dsaa7146_vv.h201 /* this means: planar?=0, yuv2rgb-conversation-mode=2, dither=yes(=1), format-mode = 7 */
210 /* this means: planar?=1, yuv2rgb-conversion-mode=0, dither=no(=0), format-mode = b */
/linux/drivers/phy/ralink/
H A Dphy-mt7621-pci.c162 /* DDS SSC dither period control */ in mt7621_set_phy_for_ssc()
167 /* DDS SSC dither amplitude control */ in mt7621_set_phy_for_ssc()
/linux/arch/powerpc/include/asm/
H A Dps3av.h257 /* dither */
452 u8 dither; /* in: dither bit length */ member
/linux/drivers/gpu/drm/amd/display/dc/dce/
H A Ddce_transform.c720 * Programs Dither
722 * @param [in] dither_enable : enable dither
723 * @param [in] dither_mode : dither mode to set
724 * @param [in] dither_depth : bit depth to dither to
788 * Dither) for dce
848 * Dither) for dce
/linux/drivers/video/fbdev/nvidia/
H A Dnv_type.h62 u32 dither; member

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