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drm/radeon: remove special handling for the DMA ring

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Now that we have callbacks for [rw]ptr handling we can
remove the special handling for the DMA rings and use
the callbacks instead.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2013-08-13 11:56:52 +02:00
committed by Alex Deucher
parent 02c9f7fa4e
commit 2e1e6dad6a
11 changed files with 95 additions and 59 deletions
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11
drivers/gpu/drm/radeon/radeon_ring.c
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@@ -367,7 +367,6 @@ u32 radeon_ring_generic_get_rptr(struct radeon_device *rdev,
rptr = le32_to_cpu(rdev->wb.wb[ring->rptr_offs/4]);
else
rptr = RREG32(ring->rptr_reg);
rptr = (rptr & ring->ptr_reg_mask) >> ring->ptr_reg_shift;
return rptr;
}
@@ -378,7 +377,6 @@ u32 radeon_ring_generic_get_wptr(struct radeon_device *rdev,
u32 wptr;
wptr = RREG32(ring->wptr_reg);
wptr = (wptr & ring->ptr_reg_mask) >> ring->ptr_reg_shift;
return wptr;
}
@@ -386,7 +384,7 @@ u32 radeon_ring_generic_get_wptr(struct radeon_device *rdev,
void radeon_ring_generic_set_wptr(struct radeon_device *rdev,
struct radeon_ring *ring)
{
WREG32(ring->wptr_reg, (ring->wptr << ring->ptr_reg_shift) & ring->ptr_reg_mask);
WREG32(ring->wptr_reg, ring->wptr);
(void)RREG32(ring->wptr_reg);
}
@@ -719,16 +717,13 @@ int radeon_ring_restore(struct radeon_device *rdev, struct radeon_ring *ring,
* @rptr_offs: offset of the rptr writeback location in the WB buffer
* @rptr_reg: MMIO offset of the rptr register
* @wptr_reg: MMIO offset of the wptr register
* @ptr_reg_shift: bit offset of the rptr/wptr values
* @ptr_reg_mask: bit mask of the rptr/wptr values
* @nop: nop packet for this ring
*
* Initialize the driver information for the selected ring (all asics).
* Returns 0 on success, error on failure.
*/
int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size,
unsigned rptr_offs, unsigned rptr_reg, unsigned wptr_reg,
u32 ptr_reg_shift, u32 ptr_reg_mask, u32 nop)
unsigned rptr_offs, unsigned rptr_reg, unsigned wptr_reg, u32 nop)
{
int r;
@@ -736,8 +731,6 @@ int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsig
ring->rptr_offs = rptr_offs;
ring->rptr_reg = rptr_reg;
ring->wptr_reg = wptr_reg;
ring->ptr_reg_shift = ptr_reg_shift;
ring->ptr_reg_mask = ptr_reg_mask;
ring->nop = nop;
/* Allocate ring buffer */
if (ring->ring_obj == NULL) {