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drm/gma500: Deprecate pci_get_bus_and_slot()

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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 <okaya@codeaurora.org>
Signed-off-by: Bjorn Helgaas <helgaas@kernel.org>
This commit is contained in:
Sinan Kaya
2017-12-19 00:37:44 -05:00
committed by Bjorn Helgaas
parent cb5264be3c
commit ba99d83488
5 changed files with 39 additions and 21 deletions
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18
drivers/gpu/drm/gma500/psb_drv.h
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@@ -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);