From ba99d8348864b8bac2339a0050ca39e2375b5d81 Mon Sep 17 00:00:00 2001 From: Sinan Kaya Date: Tue, 19 Dec 2017 00:37:44 -0500 Subject: drm/gma500: Deprecate pci_get_bus_and_slot() pci_get_bus_and_slot() is restrictive such that it assumes domain=0 as where a PCI device is present. This restricts the device drivers to be reused for other domain numbers. Getting ready to remove pci_get_bus_and_slot() function in favor of pci_get_domain_bus_and_slot(). Add domain parameter to CDV_MSG_READ32, CDV_MSG_WRITE32, MRST_MSG_READ32, MRST_MSG_WRITE32, MDFLD_MSG_READ32, MDFLD_MSG_WRITE32. Extract pci_dev from struct drm_device and use pdev to find the domain number while calling pci_get_domain_bus_and_slot(). Signed-off-by: Sinan Kaya Signed-off-by: Bjorn Helgaas --- drivers/gpu/drm/gma500/psb_drv.h | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) (limited to 'drivers/gpu/drm/gma500/psb_drv.h') diff --git a/drivers/gpu/drm/gma500/psb_drv.h b/drivers/gpu/drm/gma500/psb_drv.h index 821497dbd3fc..d409e02bf540 100644 --- a/drivers/gpu/drm/gma500/psb_drv.h +++ b/drivers/gpu/drm/gma500/psb_drv.h @@ -781,38 +781,40 @@ extern const struct psb_ops cdv_chip_ops; extern int drm_idle_check_interval; /* Utilities */ -static inline u32 MRST_MSG_READ32(uint port, uint offset) +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_bus_and_slot(0, 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(uint port, uint offset, u32 value) +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_bus_and_slot(0, 0); + 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 u32 MDFLD_MSG_READ32(uint port, uint offset) +static inline u32 MDFLD_MSG_READ32(int domain, uint port, uint offset) { int mcr = (0x10<<24) | (port << 16) | (offset << 8); uint32_t ret_val = 0; - struct pci_dev *pci_root = pci_get_bus_and_slot(0, 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 MDFLD_MSG_WRITE32(uint port, uint offset, u32 value) +static inline void MDFLD_MSG_WRITE32(int domain, uint port, uint offset, + u32 value) { int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0; - struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0); + 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); -- cgit v1.2.3