drm/nouveau: just pass gpio line to pwm_*, not entire gpio struct

We don't need more than the line id to determine the PWM controller, and
the GPIO interfaces are about to change somewhat.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

5 files changed, 25 insertions, 30 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 891c91b14886..909b991416ed 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -556,8 +556,8 @@ struct nouveau_pm_engine {
 
         int (*voltage_get)(struct drm_device *);
         int (*voltage_set)(struct drm_device *, int voltage);
-        int (*pwm_get)(struct drm_device *, struct dcb_gpio_entry*, u32*, u32*);
-        int (*pwm_set)(struct drm_device *, struct dcb_gpio_entry*, u32, u32);
+        int (*pwm_get)(struct drm_device *, int line, u32*, u32*);
+        int (*pwm_set)(struct drm_device *, int line, u32, u32);
         int (*temp_get)(struct drm_device *);
 };
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.c b/drivers/gpu/drm/nouveau/nouveau_pm.c
index 1442d0673671..788ba33da77c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_pm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_pm.c
@@ -49,7 +49,7 @@ nouveau_pwmfan_get(struct drm_device *dev)
 
         gpio = nouveau_bios_gpio_entry(dev, DCB_GPIO_PWM_FAN);
         if (gpio) {
-                ret = pm->pwm_get(dev, gpio, &divs, &duty);
+                ret = pm->pwm_get(dev, gpio->line, &divs, &duty);
                 if (ret == 0) {
                         divs = max(divs, duty);
                         if (dev_priv->card_type <= NV_40 ||
@@ -90,7 +90,7 @@ nouveau_pwmfan_set(struct drm_device *dev, int percent)
                     (gpio->state[0] & 1))
                         duty = divs - duty;
 
-                return pm->pwm_set(dev, gpio, divs, duty);
+                return pm->pwm_set(dev, gpio->line, divs, duty);
         }
 
         return -ENODEV;
diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.h b/drivers/gpu/drm/nouveau/nouveau_pm.h
index 663088d30428..7e0cc2eeb307 100644
--- a/drivers/gpu/drm/nouveau/nouveau_pm.h
+++ b/drivers/gpu/drm/nouveau/nouveau_pm.h
@@ -55,15 +55,15 @@ int nv04_pm_clocks_set(struct drm_device *, void *);
 int nv40_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *);
 void *nv40_pm_clocks_pre(struct drm_device *, struct nouveau_pm_level *);
 int nv40_pm_clocks_set(struct drm_device *, void *);
-int nv40_pm_pwm_get(struct drm_device *, struct dcb_gpio_entry *, u32*, u32*);
-int nv40_pm_pwm_set(struct drm_device *, struct dcb_gpio_entry *, u32, u32);
+int nv40_pm_pwm_get(struct drm_device *, int, u32 *, u32 *);
+int nv40_pm_pwm_set(struct drm_device *, int, u32, u32);
 
 /* nv50_pm.c */
 int nv50_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *);
 void *nv50_pm_clocks_pre(struct drm_device *, struct nouveau_pm_level *);
 int nv50_pm_clocks_set(struct drm_device *, void *);
-int nv50_pm_pwm_get(struct drm_device *, struct dcb_gpio_entry *, u32*, u32*);
-int nv50_pm_pwm_set(struct drm_device *, struct dcb_gpio_entry *, u32, u32);
+int nv50_pm_pwm_get(struct drm_device *, int, u32 *, u32 *);
+int nv50_pm_pwm_set(struct drm_device *, int, u32, u32);
 
 /* nva3_pm.c */
 int nva3_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *);
diff --git a/drivers/gpu/drm/nouveau/nv40_pm.c b/drivers/gpu/drm/nouveau/nv40_pm.c
index 3d5a5a7856e6..c7615381c5d9 100644
--- a/drivers/gpu/drm/nouveau/nv40_pm.c
+++ b/drivers/gpu/drm/nouveau/nv40_pm.c
@@ -351,10 +351,9 @@ resume:
 }
 
 int
-nv40_pm_pwm_get(struct drm_device *dev, struct dcb_gpio_entry *gpio,
-                u32 *divs, u32 *duty)
+nv40_pm_pwm_get(struct drm_device *dev, int line, u32 *divs, u32 *duty)
 {
-        if (gpio->line == 2) {
+        if (line == 2) {
                 u32 reg = nv_rd32(dev, 0x0010f0);
                 if (reg & 0x80000000) {
                         *duty = (reg & 0x7fff0000) >> 16;
@@ -362,7 +361,7 @@ nv40_pm_pwm_get(struct drm_device *dev, struct dcb_gpio_entry *gpio,
                         return 0;
                 }
         } else
-        if (gpio->line == 9) {
+        if (line == 9) {
                 u32 reg = nv_rd32(dev, 0x0015f4);
                 if (reg & 0x80000000) {
                         *divs = nv_rd32(dev, 0x0015f8);
@@ -370,7 +369,7 @@ nv40_pm_pwm_get(struct drm_device *dev, struct dcb_gpio_entry *gpio,
                         return 0;
                 }
         } else {
-                NV_ERROR(dev, "unknown pwm ctrl for gpio %d\n", gpio->line);
+                NV_ERROR(dev, "unknown pwm ctrl for gpio %d\n", line);
                 return -ENODEV;
         }
 
@@ -378,17 +377,16 @@ nv40_pm_pwm_get(struct drm_device *dev, struct dcb_gpio_entry *gpio,
 }
 
 int
-nv40_pm_pwm_set(struct drm_device *dev, struct dcb_gpio_entry *gpio,
-                u32 divs, u32 duty)
+nv40_pm_pwm_set(struct drm_device *dev, int line, u32 divs, u32 duty)
 {
-        if (gpio->line == 2) {
+        if (line == 2) {
                 nv_wr32(dev, 0x0010f0, 0x80000000 | (duty << 16) | divs);
         } else
-        if (gpio->line == 9) {
+        if (line == 9) {
                 nv_wr32(dev, 0x0015f8, divs);
                 nv_wr32(dev, 0x0015f4, duty | 0x80000000);
         } else {
-                NV_ERROR(dev, "unknown pwm ctrl for gpio %d\n", gpio->line);
+                NV_ERROR(dev, "unknown pwm ctrl for gpio %d\n", line);
                 return -ENODEV;
         }
 
diff --git a/drivers/gpu/drm/nouveau/nv50_pm.c b/drivers/gpu/drm/nouveau/nv50_pm.c
index fce1214c3db1..03937212e9d8 100644
--- a/drivers/gpu/drm/nouveau/nv50_pm.c
+++ b/drivers/gpu/drm/nouveau/nv50_pm.c
@@ -715,25 +715,24 @@ resume:
 }
 
 static int
-pwm_info(struct drm_device *dev, struct dcb_gpio_entry *gpio,
-         int *ctrl, int *line, int *indx)
+pwm_info(struct drm_device *dev, int *line, int *ctrl, int *indx)
 {
-        if (gpio->line == 0x04) {
+        if (*line == 0x04) {
                 *ctrl = 0x00e100;
                 *line = 4;
                 *indx = 0;
         } else
-        if (gpio->line == 0x09) {
+        if (*line == 0x09) {
                 *ctrl = 0x00e100;
                 *line = 9;
                 *indx = 1;
         } else
-        if (gpio->line == 0x10) {
+        if (*line == 0x10) {
                 *ctrl = 0x00e28c;
                 *line = 0;
                 *indx = 0;
         } else {
-                NV_ERROR(dev, "unknown pwm ctrl for gpio %d\n", gpio->line);
+                NV_ERROR(dev, "unknown pwm ctrl for gpio %d\n", *line);
                 return -ENODEV;
         }
 
@@ -741,10 +740,9 @@ pwm_info(struct drm_device *dev, struct dcb_gpio_entry *gpio,
 }
 
 int
-nv50_pm_pwm_get(struct drm_device *dev, struct dcb_gpio_entry *gpio,
-                u32 *divs, u32 *duty)
+nv50_pm_pwm_get(struct drm_device *dev, int line, u32 *divs, u32 *duty)
 {
-        int ctrl, line, id, ret = pwm_info(dev, gpio, &ctrl, &line, &id);
+        int ctrl, id, ret = pwm_info(dev, &line, &ctrl, &id);
         if (ret)
                 return ret;
 
@@ -758,10 +756,9 @@ nv50_pm_pwm_get(struct drm_device *dev, struct dcb_gpio_entry *gpio,
 }
 
 int
-nv50_pm_pwm_set(struct drm_device *dev, struct dcb_gpio_entry *gpio,
-                u32 divs, u32 duty)
+nv50_pm_pwm_set(struct drm_device *dev, int line, u32 divs, u32 duty)
 {
-        int ctrl, line, id, ret = pwm_info(dev, gpio, &ctrl, &line, &id);
+        int ctrl, id, ret = pwm_info(dev, &line, &ctrl, &id);
         if (ret)
                 return ret;