xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Forkuj 0
Kod Zgłoszenia Oczekujące zmiany Actions Packages Projekty Wydania Wiki Aktywność

drm/amdgpu:impl RREG32 no kiq version

Przeglądaj źródła 
some registers are PF & VF copy, and we can safely use
mmio method to access them.

and sometime we are forbid to use kiq to access registers
for example in INTR context.

we need a MACRO that always disable KIQ for regs accessing

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Monk Liu
2017-01-25 15:07:40 +08:00
zatwierdzone przez Alex Deucher
rodzic b85c9d2a3b
commit 15d72fd745
2 zmienionych plików z 20 dodań i 13 usunięć
Ściągnij plik aktualizacji Ściągnij plik porównania Expand all files Collapse all files

21
drivers/gpu/drm/amd/amdgpu/amdgpu.h
Wyświetl plik

@@ -1505,9 +1505,9 @@ void amdgpu_device_fini(struct amdgpu_device *adev);
int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
bool always_indirect);
uint32_t acc_flags);
void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
bool always_indirect);
uint32_t acc_flags);
u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
@@ -1517,11 +1517,18 @@ void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v);
/*
* Registers read & write functions.
*/
#define RREG32(reg) amdgpu_mm_rreg(adev, (reg), false)
#define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), true)
#define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), false))
#define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), false)
#define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), true)
#define AMDGPU_REGS_IDX (1<<0)
#define AMDGPU_REGS_NO_KIQ (1<<1)
#define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
#define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
#define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
#define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
#define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
#define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
#define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
#define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
#define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
#define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))