diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index bc54b26cb32f..aa5571b73aa0 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1662,6 +1662,7 @@ void r600_gpu_init(struct radeon_device *rdev) R6XX_MAX_BACKENDS_MASK) >> 16)), (cc_rb_backend_disable >> 16)); rdev->config.r600.tile_config = tiling_config; + rdev->config.r600.backend_map = backend_map; tiling_config |= BACKEND_MAP(backend_map); WREG32(GB_TILING_CONFIG, tiling_config); WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff); @@ -2212,9 +2213,6 @@ int r600_cp_resume(struct radeon_device *rdev) /* set the wb address whether it's enabled or not */ WREG32(CP_RB_RPTR_ADDR, -#ifdef __BIG_ENDIAN - RB_RPTR_SWAP(2) | -#endif ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC)); WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF); WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF); @@ -2994,10 +2992,6 @@ int r600_irq_init(struct radeon_device *rdev) /* RPTR_REARM only works if msi's are enabled */ if (rdev->msi_enabled) ih_cntl |= RPTR_REARM; - -#ifdef __BIG_ENDIAN - ih_cntl |= IH_MC_SWAP(IH_MC_SWAP_32BIT); -#endif WREG32(IH_CNTL, ih_cntl); /* force the active interrupt state to all disabled */ @@ -3308,6 +3302,10 @@ int r600_irq_process(struct radeon_device *rdev) if (!rdev->ih.enabled || rdev->shutdown) return IRQ_NONE; + /* No MSIs, need a dummy read to flush PCI DMAs */ + if (!rdev->msi_enabled) + RREG32(IH_RB_WPTR); + wptr = r600_get_ih_wptr(rdev); rptr = rdev->ih.rptr; DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr); @@ -3320,6 +3318,9 @@ int r600_irq_process(struct radeon_device *rdev) } restart_ih: + /* Order reading of wptr vs. reading of IH ring data */ + rmb(); + /* display interrupts */ r600_irq_ack(rdev); |