drm: smidrm: ddk750: fix strict-prototypes warning

deepin inclusion
category: other

Just makes clang build happy, no functional change.

Log:
2025-11-19T07:49:35.4025494Z drivers/gpu/drm/smidrm/ddk750/ddk750_clock.c:255:27: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
2025-11-19T07:49:35.4027365Z   255 | unsigned long getChipClock()
2025-11-19T07:49:35.4028223Z       |                           ^
2025-11-19T07:49:35.4029015Z       |                            void
2025-11-19T07:49:35.4043181Z drivers/gpu/drm/smidrm/ddk750/ddk750_clock.c:379:38: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
2025-11-19T07:49:35.4073953Z   379 | unsigned long getPrimaryDispCtrlClock()
2025-11-19T07:49:35.4075443Z       |                                      ^
2025-11-19T07:49:35.4076477Z       |                                       void
2025-11-19T07:49:35.4079714Z drivers/gpu/drm/smidrm/ddk750/ddk750_clock.c:391:40: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
2025-11-19T07:49:35.4081500Z   391 | unsigned long getSecondaryDispCtrlClock()
2025-11-19T07:49:35.4082170Z       |                                        ^
2025-11-19T07:49:35.4082742Z       |                                         void
2025-11-19T07:49:35.4084394Z drivers/gpu/drm/smidrm/ddk750/ddk750_clock.c:403:29: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
2025-11-19T07:49:35.4086711Z   403 | unsigned long getMasterClock()
2025-11-19T07:49:35.4087261Z       |                             ^
2025-11-19T07:49:35.4087781Z       |                              void
2025-11-19T07:49:35.4089267Z drivers/gpu/drm/smidrm/ddk750/ddk750_clock.c:441:29: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
2025-11-19T07:49:35.4090955Z   441 | unsigned long getMemoryClock()
2025-11-19T07:49:35.4091520Z       |                             ^
2025-11-19T07:49:35.4092057Z       |                              void
2025-11-19T07:49:35.4093569Z drivers/gpu/drm/smidrm/ddk750/ddk750_clock.c:479:37: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
2025-11-19T07:49:35.4095118Z   479 | unsigned char *getMasterClockDivider()
2025-11-19T07:49:35.4096134Z       |                                     ^
2025-11-19T07:49:35.4096784Z       |                                      void
2025-11-19T07:49:35.4098342Z drivers/gpu/drm/smidrm/ddk750/ddk750_clock.c:487:41: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
2025-11-19T07:49:35.4099857Z   487 | unsigned long getTotalMasterClockDivider()
2025-11-19T07:49:35.4100531Z       |                                         ^
2025-11-19T07:49:35.4101096Z       |                                          void
2025-11-19T07:49:35.4102632Z drivers/gpu/drm/smidrm/ddk750/ddk750_clock.c:498:37: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
2025-11-19T07:49:35.4104141Z   498 | unsigned char *getMemoryClockDivider()
2025-11-19T07:49:35.4104741Z       |                                     ^
2025-11-19T07:49:35.4105297Z       |                                      void
2025-11-19T07:49:35.4106877Z drivers/gpu/drm/smidrm/ddk750/ddk750_clock.c:506:41: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
2025-11-19T07:49:35.4108577Z   506 | unsigned long getTotalMemoryClockDivider()
2025-11-19T07:49:35.4109191Z       |                                         ^
2025-11-19T07:49:35.4109784Z       |                                          void

Signed-off-by: Wentao Guan <guanwentao@uniontech.com>

Author: opsiff

drivers/gpu/drm/smidrm/ddk750/ddk750_clock.c

@@ -252,7 +252,7 @@ void setChipClock(unsigned long frequency)
  * Output:
  *      The Actual Main Chip clock value.
  */
-unsigned long getChipClock()
+unsigned long getChipClock(void)
 {
     pll_value_t pll;
 
@@ -376,7 +376,7 @@ void setMasterClock(unsigned long frequency)
  * Output:
  *      The Primary Display Control Pixel Clock value in whole number.
  */
-unsigned long getPrimaryDispCtrlClock()
+unsigned long getPrimaryDispCtrlClock(void)
 {
     pll_value_t pll;
     return getPllValue(PRIMARY_PLL, &pll);
@@ -388,7 +388,7 @@ unsigned long getPrimaryDispCtrlClock()
  * Output:
  *      The Secondary Display Control Pixel Clock value in whole number.
  */
-unsigned long getSecondaryDispCtrlClock()
+unsigned long getSecondaryDispCtrlClock(void)
 {
     pll_value_t pll;
     return getPllValue(SECONDARY_PLL, &pll);
@@ -400,7 +400,7 @@ unsigned long getSecondaryDispCtrlClock()
  * Output:
  *      The Master Clock value in whole number.
  */
-unsigned long getMasterClock()
+unsigned long getMasterClock(void)
 {
     unsigned long value, divisor;
 
@@ -438,7 +438,7 @@ unsigned long getMasterClock()
  * Output:
  *      The Memory Clock value in whole number.
  */
-unsigned long getMemoryClock()
+unsigned long getMemoryClock(void)
 {
     unsigned long value, divisor;
 
@@ -476,15 +476,15 @@ unsigned long getMemoryClock()
  * Output:
  *      The list of Master Clock divider values.
  */
-unsigned char *getMasterClockDivider()
+unsigned char *getMasterClockDivider(void)
 {
     return g_ucMasterClockDivider;
 }
 
 /*
  * This function gets the total number of Master Clock Divider Values.
  */
-unsigned long getTotalMasterClockDivider()
+unsigned long getTotalMasterClockDivider(void)
 {
     return (sizeof(g_ucMasterClockDivider)/sizeof(unsigned char));
 }
@@ -495,15 +495,15 @@ unsigned long getTotalMasterClockDivider()
  * Output:
  *      The list of Memory Clock divider values.
  */
-unsigned char *getMemoryClockDivider()
+unsigned char *getMemoryClockDivider(void)
 {
     return g_ucMemoryClockDivider;
 }
 
 /*
  * This function gets the total number of Memory Clock Divider Values.
  */
-unsigned long getTotalMemoryClockDivider()
+unsigned long getTotalMemoryClockDivider(void)
 {
     return (sizeof(g_ucMemoryClockDivider)/sizeof(unsigned char));
 }