From: Christian König christian.koenig@amd.com
We never check the return value anyway and if the index isn't valid would crash way before calling the functions.
Signed-off-by: Christian König christian.koenig@amd.com --- drivers/gpu/drm/radeon/r100.c | 8 ++------ drivers/gpu/drm/radeon/r300.c | 7 ++----- drivers/gpu/drm/radeon/radeon.h | 3 ++- drivers/gpu/drm/radeon/radeon_asic.h | 12 ++++++++---- drivers/gpu/drm/radeon/rs400.c | 7 +------ drivers/gpu/drm/radeon/rs600.c | 6 +----- 6 files changed, 16 insertions(+), 27 deletions(-)
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index ad99813..1544efc 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -682,15 +682,11 @@ void r100_pci_gart_disable(struct radeon_device *rdev) WREG32(RADEON_AIC_HI_ADDR, 0); }
-int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) +void r100_pci_gart_set_page(struct radeon_device *rdev, unsigned i, + uint64_t addr) { u32 *gtt = rdev->gart.ptr; - - if (i < 0 || i > rdev->gart.num_gpu_pages) { - return -EINVAL; - } gtt[i] = cpu_to_le32(lower_32_bits(addr)); - return 0; }
void r100_pci_gart_fini(struct radeon_device *rdev) diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c index 206caf9..3c21d77 100644 --- a/drivers/gpu/drm/radeon/r300.c +++ b/drivers/gpu/drm/radeon/r300.c @@ -72,13 +72,11 @@ void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev) #define R300_PTE_WRITEABLE (1 << 2) #define R300_PTE_READABLE (1 << 3)
-int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) +void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i, + uint64_t addr) { void __iomem *ptr = rdev->gart.ptr;
- if (i < 0 || i > rdev->gart.num_gpu_pages) { - return -EINVAL; - } addr = (lower_32_bits(addr) >> 8) | ((upper_32_bits(addr) & 0xff) << 24) | R300_PTE_WRITEABLE | R300_PTE_READABLE; @@ -86,7 +84,6 @@ int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) * on powerpc without HW swappers, it'll get swapped on way * into VRAM - so no need for cpu_to_le32 on VRAM tables */ writel(addr, ((void __iomem *)ptr) + (i * 4)); - return 0; }
int rv370_pcie_gart_init(struct radeon_device *rdev) diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 0661a77..c08987c 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1778,7 +1778,8 @@ struct radeon_asic { /* gart */ struct { void (*tlb_flush)(struct radeon_device *rdev); - int (*set_page)(struct radeon_device *rdev, int i, uint64_t addr); + void (*set_page)(struct radeon_device *rdev, unsigned i, + uint64_t addr); } gart; struct { int (*init)(struct radeon_device *rdev); diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index 0eab015..01e7c0a 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -67,7 +67,8 @@ bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *cp); int r100_asic_reset(struct radeon_device *rdev); u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc); void r100_pci_gart_tlb_flush(struct radeon_device *rdev); -int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr); +void r100_pci_gart_set_page(struct radeon_device *rdev, unsigned i, + uint64_t addr); void r100_ring_start(struct radeon_device *rdev, struct radeon_ring *ring); int r100_irq_set(struct radeon_device *rdev); int r100_irq_process(struct radeon_device *rdev); @@ -171,7 +172,8 @@ extern void r300_fence_ring_emit(struct radeon_device *rdev, struct radeon_fence *fence); extern int r300_cs_parse(struct radeon_cs_parser *p); extern void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev); -extern int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr); +extern void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i, + uint64_t addr); extern void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes); extern int rv370_get_pcie_lanes(struct radeon_device *rdev); extern void r300_set_reg_safe(struct radeon_device *rdev); @@ -206,7 +208,8 @@ extern void rs400_fini(struct radeon_device *rdev); extern int rs400_suspend(struct radeon_device *rdev); extern int rs400_resume(struct radeon_device *rdev); void rs400_gart_tlb_flush(struct radeon_device *rdev); -int rs400_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr); +void rs400_gart_set_page(struct radeon_device *rdev, unsigned i, + uint64_t addr); uint32_t rs400_mc_rreg(struct radeon_device *rdev, uint32_t reg); void rs400_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v); int rs400_gart_init(struct radeon_device *rdev); @@ -229,7 +232,8 @@ int rs600_irq_process(struct radeon_device *rdev); void rs600_irq_disable(struct radeon_device *rdev); u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc); void rs600_gart_tlb_flush(struct radeon_device *rdev); -int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr); +void rs600_gart_set_page(struct radeon_device *rdev, unsigned i, + uint64_t addr); uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg); void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v); void rs600_bandwidth_update(struct radeon_device *rdev); diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c index 130d5cc..a0f96de 100644 --- a/drivers/gpu/drm/radeon/rs400.c +++ b/drivers/gpu/drm/radeon/rs400.c @@ -212,21 +212,16 @@ void rs400_gart_fini(struct radeon_device *rdev) #define RS400_PTE_WRITEABLE (1 << 2) #define RS400_PTE_READABLE (1 << 3)
-int rs400_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) +void rs400_gart_set_page(struct radeon_device *rdev, unsigned i, uint64_t addr) { uint32_t entry; u32 *gtt = rdev->gart.ptr;
- if (i < 0 || i > rdev->gart.num_gpu_pages) { - return -EINVAL; - } - entry = (lower_32_bits(addr) & PAGE_MASK) | ((upper_32_bits(addr) & 0xff) << 4) | RS400_PTE_WRITEABLE | RS400_PTE_READABLE; entry = cpu_to_le32(entry); gtt[i] = entry; - return 0; }
int rs400_mc_wait_for_idle(struct radeon_device *rdev) diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index e0465b2..d1a35cb 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -626,20 +626,16 @@ static void rs600_gart_fini(struct radeon_device *rdev) radeon_gart_table_vram_free(rdev); }
-int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) +void rs600_gart_set_page(struct radeon_device *rdev, unsigned i, uint64_t addr) { void __iomem *ptr = (void *)rdev->gart.ptr;
- if (i < 0 || i > rdev->gart.num_gpu_pages) { - return -EINVAL; - } addr = addr & 0xFFFFFFFFFFFFF000ULL; if (addr == rdev->dummy_page.addr) addr |= R600_PTE_SYSTEM | R600_PTE_SNOOPED; else addr |= R600_PTE_GART; writeq(addr, ptr + (i * 8)); - return 0; }
int rs600_irq_set(struct radeon_device *rdev)