[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915/mtl: Add Support for C10 phy (rev4)

Patchwork patchwork at emeril.freedesktop.org
Fri Apr 14 00:35:29 UTC 2023


== Series Details ==

Series: drm/i915/mtl: Add Support for C10 phy (rev4)
URL   : https://patchwork.freedesktop.org/series/116191/
State : warning

== Summary ==

Error: dim checkpatch failed
82a3f0bc865f drm/i915/mtl: Add DP rates
c39006db21f7 drm/i915/mtl: Create separate reg file for PICA registers
Traceback (most recent call last):
  File "scripts/spdxcheck.py", line 6, in <module>
    from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
-:19: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#19: 
new file mode 100644

-:39: WARNING:LONG_LINE: line length of 117 exceeds 100 columns
#39: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:16:
+										 _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_A, \

-:40: WARNING:LONG_LINE: line length of 117 exceeds 100 columns
#40: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:17:
+										 _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_B, \

-:41: WARNING:LONG_LINE: line length of 121 exceeds 100 columns
#41: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:18:
+										 _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC1, \

-:42: WARNING:LONG_LINE: line length of 133 exceeds 100 columns
#42: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:19:
+										 _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC2) + (lane) * 4)

-:45: WARNING:LONG_LINE: line length of 110 exceeds 100 columns
#45: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:22:
+#define   XELPDP_PORT_M2P_COMMAND_WRITE_UNCOMMITTED	REG_FIELD_PREP(XELPDP_PORT_M2P_COMMAND_TYPE_MASK, 0x1)

-:46: WARNING:LONG_LINE: line length of 110 exceeds 100 columns
#46: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:23:
+#define   XELPDP_PORT_M2P_COMMAND_WRITE_COMMITTED	REG_FIELD_PREP(XELPDP_PORT_M2P_COMMAND_TYPE_MASK, 0x2)

-:47: WARNING:LONG_LINE: line length of 110 exceeds 100 columns
#47: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:24:
+#define   XELPDP_PORT_M2P_COMMAND_READ			REG_FIELD_PREP(XELPDP_PORT_M2P_COMMAND_TYPE_MASK, 0x3)

-:49: WARNING:LONG_LINE: line length of 102 exceeds 100 columns
#49: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:26:
+#define   XELPDP_PORT_M2P_DATA(val)			REG_FIELD_PREP(XELPDP_PORT_M2P_DATA_MASK, val)

-:52: WARNING:LONG_LINE: line length of 105 exceeds 100 columns
#52: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:29:
+#define   XELPDP_PORT_M2P_ADDRESS(val)			REG_FIELD_PREP(XELPDP_PORT_M2P_ADDRESS_MASK, val)

-:54: WARNING:LONG_LINE: line length of 117 exceeds 100 columns
#54: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:31:
+										 _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_A, \

-:55: WARNING:LONG_LINE: line length of 117 exceeds 100 columns
#55: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:32:
+										 _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_B, \

-:56: WARNING:LONG_LINE: line length of 121 exceeds 100 columns
#56: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:33:
+										 _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC1, \

-:57: WARNING:LONG_LINE: line length of 137 exceeds 100 columns
#57: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:34:
+										 _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC2) + (lane) * 4 + 8)

-:63: WARNING:LONG_LINE: line length of 102 exceeds 100 columns
#63: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:40:
+#define   XELPDP_PORT_P2M_DATA(val)			REG_FIELD_PREP(XELPDP_PORT_P2M_DATA_MASK, val)

-:81: WARNING:LONG_LINE: line length of 111 exceeds 100 columns
#81: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:58:
+										 _XELPDP_PORT_BUF_CTL1_LN0_A, \

-:82: WARNING:LONG_LINE: line length of 111 exceeds 100 columns
#82: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:59:
+										 _XELPDP_PORT_BUF_CTL1_LN0_B, \

-:83: WARNING:LONG_LINE: line length of 115 exceeds 100 columns
#83: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:60:
+										 _XELPDP_PORT_BUF_CTL1_LN0_USBC1, \

-:84: WARNING:LONG_LINE: line length of 114 exceeds 100 columns
#84: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:61:
+										 _XELPDP_PORT_BUF_CTL1_LN0_USBC2))

-:94: WARNING:LONG_LINE: line length of 111 exceeds 100 columns
#94: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:71:
+										 _XELPDP_PORT_BUF_CTL1_LN0_A, \

-:95: WARNING:LONG_LINE: line length of 111 exceeds 100 columns
#95: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:72:
+										 _XELPDP_PORT_BUF_CTL1_LN0_B, \

-:96: WARNING:LONG_LINE: line length of 115 exceeds 100 columns
#96: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:73:
+										 _XELPDP_PORT_BUF_CTL1_LN0_USBC1, \

-:97: WARNING:LONG_LINE: line length of 118 exceeds 100 columns
#97: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:74:
+										 _XELPDP_PORT_BUF_CTL1_LN0_USBC2) + 4)

-:103: WARNING:LONG_LINE: line length of 115 exceeds 100 columns
#103: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:80:
+#define   _XELPDP_LANE0_POWERDOWN_NEW_STATE(val)	REG_FIELD_PREP(_XELPDP_LANE0_POWERDOWN_NEW_STATE_MASK, val)

-:105: WARNING:LONG_LINE: line length of 115 exceeds 100 columns
#105: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:82:
+#define   _XELPDP_LANE1_POWERDOWN_NEW_STATE(val)	REG_FIELD_PREP(_XELPDP_LANE1_POWERDOWN_NEW_STATE_MASK, val)

-:106: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'val' - possible side-effects?
#106: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:83:
+#define   XELPDP_LANE_POWERDOWN_NEW_STATE(lane, val)	_PICK(lane, \
+							      _XELPDP_LANE0_POWERDOWN_NEW_STATE(val), \
+							      _XELPDP_LANE1_POWERDOWN_NEW_STATE(val))

-:107: WARNING:LONG_LINE: line length of 103 exceeds 100 columns
#107: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:84:
+							      _XELPDP_LANE0_POWERDOWN_NEW_STATE(val), \

-:108: WARNING:LONG_LINE: line length of 101 exceeds 100 columns
#108: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:85:
+							      _XELPDP_LANE1_POWERDOWN_NEW_STATE(val))

-:111: WARNING:LONG_LINE: line length of 106 exceeds 100 columns
#111: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:88:
+#define   XELPDP_POWER_STATE_READY(val)			REG_FIELD_PREP(XELPDP_POWER_STATE_READY_MASK, val)

-:114: WARNING:LONG_LINE: line length of 111 exceeds 100 columns
#114: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:91:
+										 _XELPDP_PORT_BUF_CTL1_LN0_A, \

-:115: WARNING:LONG_LINE: line length of 111 exceeds 100 columns
#115: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:92:
+										 _XELPDP_PORT_BUF_CTL1_LN0_B, \

-:116: WARNING:LONG_LINE: line length of 115 exceeds 100 columns
#116: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:93:
+										 _XELPDP_PORT_BUF_CTL1_LN0_USBC1, \

-:117: WARNING:LONG_LINE: line length of 118 exceeds 100 columns
#117: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:94:
+										 _XELPDP_PORT_BUF_CTL1_LN0_USBC2) + 8)

-:119: WARNING:LONG_LINE: line length of 114 exceeds 100 columns
#119: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:96:
+#define   XELPDP_PLL_LANE_STAGGERING_DELAY(val)		REG_FIELD_PREP(XELPDP_PLL_LANE_STAGGERING_DELAY_MASK, val)

-:121: WARNING:LONG_LINE: line length of 107 exceeds 100 columns
#121: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:98:
+#define   XELPDP_POWER_STATE_ACTIVE(val)		REG_FIELD_PREP(XELPDP_POWER_STATE_ACTIVE_MASK, val)

-:128: WARNING:LONG_LINE: line length of 108 exceeds 100 columns
#128: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:105:
+										 _XELPDP_PORT_CLOCK_CTL_A, \

-:129: WARNING:LONG_LINE: line length of 108 exceeds 100 columns
#129: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:106:
+										 _XELPDP_PORT_CLOCK_CTL_B, \

-:130: WARNING:LONG_LINE: line length of 112 exceeds 100 columns
#130: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:107:
+										 _XELPDP_PORT_CLOCK_CTL_USBC1, \

-:131: WARNING:LONG_LINE: line length of 111 exceeds 100 columns
#131: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:108:
+										 _XELPDP_PORT_CLOCK_CTL_USBC2))

-:143: WARNING:LONG_LINE: line length of 105 exceeds 100 columns
#143: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:120:
+#define   XELPDP_DDI_CLOCK_SELECT(val)			REG_FIELD_PREP(XELPDP_DDI_CLOCK_SELECT_MASK, val)

total: 0 errors, 39 warnings, 1 checks, 133 lines checked
00935ca88efb drm/i915/mtl: Add Support for C10 PHY message bus and pll programming
Traceback (most recent call last):
  File "scripts/spdxcheck.py", line 6, in <module>
    from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
-:24: WARNING:COMMIT_LOG_LONG_LINE: Possible unwrapped commit description (prefer a maximum 75 chars per line)
#24: 
    Move register definitions to a new file i.e. intel_cx0_reg_defs.h (Jani)

-:68: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#68: 
new file mode 100644

-:91: CHECK:MACRO_ARG_REUSE: Macro argument reuse '__lane' - possible side-effects?
#91: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy.c:19:
+#define for_each_cx0_lane_in_mask(__lane_mask, __lane) \
+	for ((__lane) = 0; (__lane) < 2; (__lane)++) \
+		for_each_if((__lane_mask) & BIT(__lane))

-:101: CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'phy < PHY_C'
#101: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy.c:29:
+	if (IS_METEORLAKE(i915) && (phy < PHY_C))

-:190: WARNING:LONG_LINE: line length of 113 exceeds 100 columns
#190: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy.c:118:
+		drm_dbg_kms(&i915->drm, "PHY %c Error occurred during %s command. Status: 0x%x\n", phy_name(phy),

-:197: WARNING:LONG_LINE: line length of 106 exceeds 100 columns
#197: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy.c:125:
+		drm_dbg_kms(&i915->drm, "PHY %c Not a %s response. MSGBUS Status: 0x%x.\n", phy_name(phy),

-:217: WARNING:LONG_LINE: line length of 134 exceeds 100 columns
#217: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy.c:145:
+			    "PHY %c Timeout waiting for previous transaction to complete. Reset the bus and retry.\n", phy_name(phy));

-:278: WARNING:LONG_LINE: line length of 128 exceeds 100 columns
#278: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy.c:206:
+			    "PHY %c Timeout waiting for previous transaction to complete. Resetting the bus.\n", phy_name(phy));

-:294: WARNING:LONG_LINE: line length of 113 exceeds 100 columns
#294: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy.c:222:
+			    "PHY %c Timeout waiting for write to complete. Resetting the bus.\n", phy_name(phy));

-:300: WARNING:LONG_LINE: line length of 108 exceeds 100 columns
#300: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy.c:228:
+		if (intel_cx0_wait_for_ack(i915, port, XELPDP_PORT_P2M_COMMAND_WRITE_ACK, lane, &val) < 0) {

-:754: WARNING:LONG_LINE: line length of 118 exceeds 100 columns
#754: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy.c:682:
+	intel_cx0_write(i915, encoder->port, INTEL_CX0_LANE0, PHY_C10_VDR_CMN(0), pll_state->cmn, MB_WRITE_COMMITTED);

-:755: WARNING:LONG_LINE: line length of 116 exceeds 100 columns
#755: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy.c:683:
+	intel_cx0_write(i915, encoder->port, INTEL_CX0_LANE0, PHY_C10_VDR_TX(0), pll_state->tx, MB_WRITE_COMMITTED);

-:877: WARNING:LONG_LINE: line length of 111 exceeds 100 columns
#877: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy.c:805:
+		     intel_cx0_get_powerdown_state(INTEL_CX0_BOTH_LANES, XELPDP_LANE_POWERDOWN_NEW_STATE_MASK),

-:1286: WARNING:SPDX_LICENSE_TAG: Improper SPDX comment style for 'drivers/gpu/drm/i915/display/intel_cx0_phy.h', please use '/*' instead
#1286: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy.h:1:
+// SPDX-License-Identifier: MIT

-:1286: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#1286: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy.h:1:
+// SPDX-License-Identifier: MIT

-:1310: WARNING:LONG_LINE: line length of 104 exceeds 100 columns
#1310: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy.h:25:
+void intel_c10pll_readout_hw_state(struct intel_encoder *encoder, struct intel_c10pll_state *pll_state);

-:1423: WARNING:LONG_LINE: line length of 102 exceeds 100 columns
#1423: FILE: drivers/gpu/drm/i915/display/intel_ddi.c:3502:
+	crtc_state->port_clock = intel_c10pll_calc_port_clock(encoder, &crtc_state->cx0pll_state.c10);

-:1508: WARNING:LONG_LINE: line length of 110 exceeds 100 columns
#1508: FILE: drivers/gpu/drm/i915/display/intel_dpll.c:1016:
+		crtc_state->port_clock = intel_c10pll_calc_port_clock(encoder, &crtc_state->cx0pll_state.c10);

-:1605: CHECK:MACRO_ARG_REUSE: Macro argument reuse '__n' - possible side-effects?
#1605: FILE: drivers/gpu/drm/i915/i915_reg_defs.h:33:
+#define REG_BIT8(__n)                                                   \
+	((u8)(BIT(__n) +                                                \
+	       BUILD_BUG_ON_ZERO(__is_constexpr(__n) &&         \
+				 ((__n) < 0 || (__n) > 7))))

-:1626: CHECK:MACRO_ARG_REUSE: Macro argument reuse '__high' - possible side-effects?
#1626: FILE: drivers/gpu/drm/i915/i915_reg_defs.h:77:
+#define REG_GENMASK8(__high, __low)                                     \
+	((u8)(GENMASK(__high, __low) +                                  \
+	       BUILD_BUG_ON_ZERO(__is_constexpr(__high) &&      \
+				 __is_constexpr(__low) &&               \
+				 ((__low) < 0 || (__high) > 7 || (__low) > (__high)))))

-:1626: CHECK:MACRO_ARG_REUSE: Macro argument reuse '__low' - possible side-effects?
#1626: FILE: drivers/gpu/drm/i915/i915_reg_defs.h:77:
+#define REG_GENMASK8(__high, __low)                                     \
+	((u8)(GENMASK(__high, __low) +                                  \
+	       BUILD_BUG_ON_ZERO(__is_constexpr(__high) &&      \
+				 __is_constexpr(__low) &&               \
+				 ((__low) < 0 || (__high) > 7 || (__low) > (__high)))))

-:1649: CHECK:MACRO_ARG_REUSE: Macro argument reuse '__mask' - possible side-effects?
#1649: FILE: drivers/gpu/drm/i915/i915_reg_defs.h:115:
+#define REG_FIELD_PREP8(__mask, __val)                                          \
+	((u8)((((typeof(__mask))(__val) << __bf_shf(__mask)) & (__mask)) +      \
+	       BUILD_BUG_ON_ZERO(!__is_constexpr(__mask)) +             \
+	       BUILD_BUG_ON_ZERO((__mask) == 0 || (__mask) > U8_MAX) +          \
+	       BUILD_BUG_ON_ZERO(!IS_POWER_OF_2((__mask) + (1ULL << __bf_shf(__mask)))) + \
+	       BUILD_BUG_ON_ZERO(__builtin_choose_expr(__is_constexpr(__val), (~((__mask) >> __bf_shf(__mask)) & (__val)), 0))))

-:1649: CHECK:MACRO_ARG_REUSE: Macro argument reuse '__val' - possible side-effects?
#1649: FILE: drivers/gpu/drm/i915/i915_reg_defs.h:115:
+#define REG_FIELD_PREP8(__mask, __val)                                          \
+	((u8)((((typeof(__mask))(__val) << __bf_shf(__mask)) & (__mask)) +      \
+	       BUILD_BUG_ON_ZERO(!__is_constexpr(__mask)) +             \
+	       BUILD_BUG_ON_ZERO((__mask) == 0 || (__mask) > U8_MAX) +          \
+	       BUILD_BUG_ON_ZERO(!IS_POWER_OF_2((__mask) + (1ULL << __bf_shf(__mask)))) + \
+	       BUILD_BUG_ON_ZERO(__builtin_choose_expr(__is_constexpr(__val), (~((__mask) >> __bf_shf(__mask)) & (__val)), 0))))

-:1654: WARNING:LONG_LINE: line length of 128 exceeds 100 columns
#1654: FILE: drivers/gpu/drm/i915/i915_reg_defs.h:120:
+	       BUILD_BUG_ON_ZERO(__builtin_choose_expr(__is_constexpr(__val), (~((__mask) >> __bf_shf(__mask)) & (__val)), 0))))

total: 0 errors, 17 warnings, 7 checks, 1553 lines checked
8931a3a9b171 drm/i915/mtl: Add vswing programming for C10 phys
-:6: WARNING:COMMIT_LOG_LONG_LINE: Possible unwrapped commit description (prefer a maximum 75 chars per line)
#6: 
C10 phys uses direct mapping internally for voltage and pre-emphasis levels.

total: 0 errors, 1 warnings, 0 checks, 217 lines checked
fde4467f4261 drm/i915/mtl: MTL PICA hotplug detection
1b5b2b7ca926 drm/i915/mtl/display: Implement DisplayPort sequences
-:56: WARNING:LONG_LINE: line length of 111 exceeds 100 columns
#56: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:66:
+#define   XELPDP_PORT_BUF_PORT_DATA_10BIT		REG_FIELD_PREP(XELPDP_PORT_BUF_PORT_DATA_WIDTH_MASK, 0)

-:57: WARNING:LONG_LINE: line length of 111 exceeds 100 columns
#57: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:67:
+#define   XELPDP_PORT_BUF_PORT_DATA_20BIT		REG_FIELD_PREP(XELPDP_PORT_BUF_PORT_DATA_WIDTH_MASK, 1)

-:58: WARNING:LONG_LINE: line length of 111 exceeds 100 columns
#58: FILE: drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h:68:
+#define   XELPDP_PORT_BUF_PORT_DATA_40BIT		REG_FIELD_PREP(XELPDP_PORT_BUF_PORT_DATA_WIDTH_MASK, 2)

-:114: WARNING:LONG_LINE: line length of 114 exceeds 100 columns
#114: FILE: drivers/gpu/drm/i915/display/intel_ddi.c:226:
+		ret = _wait_for(!(intel_de_read(dev_priv, XELPDP_PORT_BUF_CTL1(port)) & XELPDP_PORT_BUF_PHY_IDLE),

total: 0 errors, 4 warnings, 0 checks, 476 lines checked
bb61a6835617 drm/i915/mtl: Add C10 phy programming for HDMI
90b21be0e6b9 drm/i915/display/mtl: Fill port width in DDI_BUF_/TRANS_DDI_FUNC_/PORT_BUF_CTL for HDMI
831bf44482a1 drm/i915/mtl: Initial DDI port setup




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