drm/gma500: Remove unused declarations and other cruft

Most of these are old leftovers from one of the driver merges. This is
all dead code.
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220317092555.17882-1-patrik.r.jakobsson@gmail.com

drivers/gpu/drm/gma500/psb_drv.h

@@ -36,12 +36,6 @@
 /* Append new drm mode definition here, align with libdrm definition */
 #define DRM_MODE_SCALE_NO_SCALE   	2
 
-enum {
-	CHIP_PSB_8108 = 0,		/* Poulsbo */
-	CHIP_PSB_8109 = 1,		/* Poulsbo */
-	CHIP_MRST_4100 = 2,		/* Moorestown/Oaktrail */
-};
-
 #define IS_PSB(drm) ((to_pci_dev((drm)->dev)->device & 0xfffe) == 0x8108)
 #define IS_MRST(drm) ((to_pci_dev((drm)->dev)->device & 0xfff0) == 0x4100)
 #define IS_CDV(drm) ((to_pci_dev((drm)->dev)->device & 0xfff0) == 0x0be0)
@@ -617,15 +611,7 @@ struct psb_ops {
 	int i2c_bus;		/* I2C bus identifier for Moorestown */
 };
 
-
-
-extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
-extern int drm_pick_crtcs(struct drm_device *dev);
-
 /* psb_irq.c */
-extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
-extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
-extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence);
 extern int psb_enable_vblank(struct drm_crtc *crtc);
 extern void psb_disable_vblank(struct drm_crtc *crtc);
 void
@@ -636,17 +622,9 @@ psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
 
 extern u32 psb_get_vblank_counter(struct drm_crtc *crtc);
 
-/* framebuffer.c */
-extern int psbfb_probed(struct drm_device *dev);
-extern int psbfb_remove(struct drm_device *dev,
-			struct drm_framebuffer *fb);
-/* psb_drv.c */
-extern void psb_spank(struct drm_psb_private *dev_priv);
-
-/* psb_reset.c */
+/* psb_lid.c */
 extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
 extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
-extern void psb_print_pagefault(struct drm_psb_private *dev_priv);
 
 /* modesetting */
 extern void psb_modeset_init(struct drm_device *dev);
@@ -689,43 +667,7 @@ extern const struct psb_ops oaktrail_chip_ops;
 /* cdv_device.c */
 extern const struct psb_ops cdv_chip_ops;
 
-/* Debug print bits setting */
-#define PSB_D_GENERAL (1 << 0)
-#define PSB_D_INIT    (1 << 1)
-#define PSB_D_IRQ     (1 << 2)
-#define PSB_D_ENTRY   (1 << 3)
-/* debug the get H/V BP/FP count */
-#define PSB_D_HV      (1 << 4)
-#define PSB_D_DBI_BF  (1 << 5)
-#define PSB_D_PM      (1 << 6)
-#define PSB_D_RENDER  (1 << 7)
-#define PSB_D_REG     (1 << 8)
-#define PSB_D_MSVDX   (1 << 9)
-#define PSB_D_TOPAZ   (1 << 10)
-
-extern int drm_idle_check_interval;
-
 /* Utilities */
-static inline u32 MRST_MSG_READ32(int domain, uint port, uint offset)
-{
-	int mcr = (0xD0<<24) | (port << 16) | (offset << 8);
-	uint32_t ret_val = 0;
-	struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
-	pci_write_config_dword(pci_root, 0xD0, mcr);
-	pci_read_config_dword(pci_root, 0xD4, &ret_val);
-	pci_dev_put(pci_root);
-	return ret_val;
-}
-static inline void MRST_MSG_WRITE32(int domain, uint port, uint offset,
-				    u32 value)
-{
-	int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0;
-	struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
-	pci_write_config_dword(pci_root, 0xD4, value);
-	pci_write_config_dword(pci_root, 0xD0, mcr);
-	pci_dev_put(pci_root);
-}
-
 static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
 {
 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
@@ -806,24 +748,9 @@ static inline void REGISTER_WRITE8(struct drm_device *dev,
 #define PSB_WVDC32(_val, _offs)		iowrite32(_val, dev_priv->vdc_reg + (_offs))
 #define PSB_RVDC32(_offs)		ioread32(dev_priv->vdc_reg + (_offs))
 
-/* #define TRAP_SGX_PM_FAULT 1 */
-#ifdef TRAP_SGX_PM_FAULT
-#define PSB_RSGX32(_offs)						\
-({									\
-	if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) {		\
-		pr_err("access sgx when it's off!! (READ) %s, %d\n",	\
-		       __FILE__, __LINE__);				\
-		melay(1000);						\
-	}								\
-	ioread32(dev_priv->sgx_reg + (_offs));				\
-})
-#else
 #define PSB_RSGX32(_offs)		ioread32(dev_priv->sgx_reg + (_offs))
-#endif
 #define PSB_WSGX32(_val, _offs)		iowrite32(_val, dev_priv->sgx_reg + (_offs))
 
-#define MSVDX_REG_DUMP 0
-
 #define PSB_WMSVDX32(_val, _offs)	iowrite32(_val, dev_priv->msvdx_reg + (_offs))
 #define PSB_RMSVDX32(_offs)		ioread32(dev_priv->msvdx_reg + (_offs))