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drm: Kill DRM_*MEMORYBARRIER

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The real linux interfaces are soooo much easier on the eyes ...

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Daniel Vetter 2013-12-11 11:34:45 +01:00 committed by Dave Airlie
parent 1d6ac185c3
commit 85b2331b34
12 changed files with 14 additions and 21 deletions
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2
drivers/gpu/drm/gma500/psb_irq.c
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@ -253,7 +253,7 @@ irqreturn_t psb_irq_handler(int irq, void *arg)
PSB_WVDC32(vdc_stat, PSB_INT_IDENTITY_R);
(void) PSB_RVDC32(PSB_INT_IDENTITY_R);
DRM_READMEMORYBARRIER();
rmb();
if (!handled)
return IRQ_NONE;

2
drivers/gpu/drm/mga/mga_drv.h
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@ -193,7 +193,7 @@ extern void mga_driver_irq_uninstall(struct drm_device *dev);
extern long mga_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
#define mga_flush_write_combine() DRM_WRITEMEMORYBARRIER()
#define mga_flush_write_combine() wmb()
#define MGA_READ8(reg) DRM_READ8(dev_priv->mmio, (reg))
#define MGA_READ(reg) DRM_READ32(dev_priv->mmio, (reg))

2
drivers/gpu/drm/nouveau/nouveau_dma.c
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@ -100,7 +100,7 @@ nv50_dma_push(struct nouveau_channel *chan, struct nouveau_bo *bo,
chan->dma.ib_put = (chan->dma.ib_put + 1) & chan->dma.ib_max;
DRM_MEMORYBARRIER();
mb();
/* Flush writes. */
nouveau_bo_rd32(pb, 0);

2
drivers/gpu/drm/nouveau/nouveau_dma.h
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@ -155,7 +155,7 @@ BEGIN_IMC0(struct nouveau_channel *chan, int subc, int mthd, u16 data)
}
#define WRITE_PUT(val) do { \
DRM_MEMORYBARRIER(); \
mb(); \
nouveau_bo_rd32(chan->push.buffer, 0); \
nv_wo32(chan->object, chan->user_put, ((val) << 2) + chan->push.vma.offset); \
} while (0)

2
drivers/gpu/drm/r128/r128_drv.h
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@ -514,7 +514,7 @@ do { \
if (R128_VERBOSE) \
DRM_INFO("COMMIT_RING() tail=0x%06x\n", \
dev_priv->ring.tail); \
DRM_MEMORYBARRIER(); \
mb(); \
R128_WRITE(R128_PM4_BUFFER_DL_WPTR, dev_priv->ring.tail); \
R128_READ(R128_PM4_BUFFER_DL_WPTR); \
} while (0)

2
drivers/gpu/drm/radeon/radeon_cp.c
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@ -2228,7 +2228,7 @@ void radeon_commit_ring(drm_radeon_private_t *dev_priv)
dev_priv->ring.tail &= dev_priv->ring.tail_mask;
DRM_MEMORYBARRIER();
mb();
GET_RING_HEAD( dev_priv );
if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) {

2
drivers/gpu/drm/radeon/radeon_ring.c
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@ -463,7 +463,7 @@ void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *ring)
while (ring->wptr & ring->align_mask) {
radeon_ring_write(ring, ring->nop);
}
DRM_MEMORYBARRIER();
mb();
radeon_ring_set_wptr(rdev, ring);
}

6
drivers/gpu/drm/savage/savage_bci.c
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@ -49,7 +49,7 @@ savage_bci_wait_fifo_shadow(drm_savage_private_t * dev_priv, unsigned int n)
#endif
for (i = 0; i < SAVAGE_DEFAULT_USEC_TIMEOUT; i++) {
DRM_MEMORYBARRIER();
mb();
status = dev_priv->status_ptr[0];
if ((status & mask) < threshold)
return 0;
@ -123,7 +123,7 @@ savage_bci_wait_event_shadow(drm_savage_private_t * dev_priv, uint16_t e)
int i;
for (i = 0; i < SAVAGE_EVENT_USEC_TIMEOUT; i++) {
DRM_MEMORYBARRIER();
mb();
status = dev_priv->status_ptr[1];
if ((((status & 0xffff) - e) & 0xffff) <= 0x7fff ||
(status & 0xffff) == 0)
@ -449,7 +449,7 @@ static void savage_dma_flush(drm_savage_private_t * dev_priv)
}
}
DRM_MEMORYBARRIER();
mb();
/* do flush ... */
phys_addr = dev_priv->cmd_dma->offset +

2
drivers/gpu/drm/savage/savage_state.c
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@ -1032,7 +1032,7 @@ int savage_bci_cmdbuf(struct drm_device *dev, void *data, struct drm_file *file_
/* Make sure writes to DMA buffers are finished before sending
* DMA commands to the graphics hardware. */
DRM_MEMORYBARRIER();
mb();
/* Coming from user space. Don't know if the Xserver has
* emitted wait commands. Assuming the worst. */

4
drivers/gpu/drm/via/via_dma.c
View File

@ -60,7 +60,7 @@
dev_priv->dma_low += 8; \
}
#define via_flush_write_combine() DRM_MEMORYBARRIER()
#define via_flush_write_combine() mb()
#define VIA_OUT_RING_QW(w1, w2) do { \
*vb++ = (w1); \
@ -543,7 +543,7 @@ static void via_cmdbuf_start(drm_via_private_t *dev_priv)
VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_hi);
VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo);
DRM_WRITEMEMORYBARRIER();
wmb();
VIA_WRITE(VIA_REG_TRANSPACE, command | HC_HAGPCMNT_MASK);
VIA_READ(VIA_REG_TRANSPACE);

2
drivers/gpu/drm/via/via_dmablit.c
View File

@ -217,7 +217,7 @@ via_fire_dmablit(struct drm_device *dev, drm_via_sg_info_t *vsg, int engine)
VIA_WRITE(VIA_PCI_DMA_MR0 + engine*0x04, VIA_DMA_MR_CM | VIA_DMA_MR_TDIE);
VIA_WRITE(VIA_PCI_DMA_BCR0 + engine*0x10, 0);
VIA_WRITE(VIA_PCI_DMA_DPR0 + engine*0x10, vsg->chain_start);
DRM_WRITEMEMORYBARRIER();
wmb();
VIA_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_DE | VIA_DMA_CSR_TS);
VIA_READ(VIA_PCI_DMA_CSR0 + engine*0x04);
}

7
include/drm/drm_os_linux.h
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@ -35,19 +35,12 @@ static inline void writeq(u64 val, void __iomem *reg)
#define DRM_WRITE16(map, offset, val) writew(val, ((void __iomem *)(map)->handle) + (offset))
/** Write a dword into a MMIO region */
#define DRM_WRITE32(map, offset, val) writel(val, ((void __iomem *)(map)->handle) + (offset))
/** Read memory barrier */
/** Read a qword from a MMIO region - be careful using these unless you really understand them */
#define DRM_READ64(map, offset) readq(((void __iomem *)(map)->handle) + (offset))
/** Write a qword into a MMIO region */
#define DRM_WRITE64(map, offset, val) writeq(val, ((void __iomem *)(map)->handle) + (offset))
#define DRM_READMEMORYBARRIER() rmb()
/** Write memory barrier */
#define DRM_WRITEMEMORYBARRIER() wmb()
/** Read/write memory barrier */
#define DRM_MEMORYBARRIER() mb()
#define DRM_WAIT_ON( ret, queue, timeout, condition ) \
do { \
DECLARE_WAITQUEUE(entry, current); \