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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-05 16:02:01 -0700 | 
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-05 16:02:01 -0700 | 
| commit | fc1caf6eafb30ea185720e29f7f5eccca61ecd60 (patch) | |
| tree | 666dabc25a9b02e5c05f9eba32fa6b0d8027341a /drivers/gpu/drm/mga/mga_dma.c | |
| parent | 9779714c8af09d57527f18d9aa2207dcc27a8687 (diff) | |
| parent | 96576a9e1a0cdb8a43d3af5846be0948f52b4460 (diff) | |
| download | olio-linux-3.10-fc1caf6eafb30ea185720e29f7f5eccca61ecd60.tar.xz olio-linux-3.10-fc1caf6eafb30ea185720e29f7f5eccca61ecd60.zip  | |
Merge branch 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (204 commits)
  agp: intel-agp: do not use PCI resources before pci_enable_device()
  agp: efficeon-agp: do not use PCI resources before pci_enable_device()
  drm: kill BKL from common code
  drm/kms: Simplify setup of the initial I2C encoder config.
  drm,io-mapping: Specify slot to use for atomic mappings
  drm/radeon/kms: only expose underscan on avivo chips
  drm/radeon: add new pci ids
  drm: Cleanup after failing to create master->unique and dev->name
  drm/radeon: tone down overchatty acpi debug messages.
  drm/radeon/kms: enable underscan option for digital connectors
  drm/radeon/kms: fix calculation of h/v scaling factors
  drm/radeon/kms/igp: sideport is AMD only
  drm/radeon/kms: handle the case of no active displays properly in the bandwidth code
  drm: move ttm global code to core drm
  drm/i915: Clear the Ironlake dithering flags when the pipe doesn't want it.
  drm/radeon/kms: make sure HPD is set to NONE on analog-only connectors
  drm/radeon/kms: make sure rio_mem is valid before unmapping it
  drm/agp/i915: trim stolen space to 32M
  drm/i915: Unset cursor if out-of-bounds upon mode change (v4)
  drm/i915: Unreference object not handle on creation
  ...
Diffstat (limited to 'drivers/gpu/drm/mga/mga_dma.c')
| -rw-r--r-- | drivers/gpu/drm/mga/mga_dma.c | 103 | 
1 files changed, 45 insertions, 58 deletions
diff --git a/drivers/gpu/drm/mga/mga_dma.c b/drivers/gpu/drm/mga/mga_dma.c index 3c917fb3a60..08868ac3048 100644 --- a/drivers/gpu/drm/mga/mga_dma.c +++ b/drivers/gpu/drm/mga/mga_dma.c @@ -52,7 +52,7 @@ static int mga_do_cleanup_dma(struct drm_device *dev, int full_cleanup);   * Engine control   */ -int mga_do_wait_for_idle(drm_mga_private_t * dev_priv) +int mga_do_wait_for_idle(drm_mga_private_t *dev_priv)  {  	u32 status = 0;  	int i; @@ -74,7 +74,7 @@ int mga_do_wait_for_idle(drm_mga_private_t * dev_priv)  	return -EBUSY;  } -static int mga_do_dma_reset(drm_mga_private_t * dev_priv) +static int mga_do_dma_reset(drm_mga_private_t *dev_priv)  {  	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;  	drm_mga_primary_buffer_t *primary = &dev_priv->prim; @@ -102,7 +102,7 @@ static int mga_do_dma_reset(drm_mga_private_t * dev_priv)   * Primary DMA stream   */ -void mga_do_dma_flush(drm_mga_private_t * dev_priv) +void mga_do_dma_flush(drm_mga_private_t *dev_priv)  {  	drm_mga_primary_buffer_t *primary = &dev_priv->prim;  	u32 head, tail; @@ -142,11 +142,10 @@ void mga_do_dma_flush(drm_mga_private_t * dev_priv)  	head = MGA_READ(MGA_PRIMADDRESS); -	if (head <= tail) { +	if (head <= tail)  		primary->space = primary->size - primary->tail; -	} else { +	else  		primary->space = head - tail; -	}  	DRM_DEBUG("   head = 0x%06lx\n", (unsigned long)(head - dev_priv->primary->offset));  	DRM_DEBUG("   tail = 0x%06lx\n", (unsigned long)(tail - dev_priv->primary->offset)); @@ -158,7 +157,7 @@ void mga_do_dma_flush(drm_mga_private_t * dev_priv)  	DRM_DEBUG("done.\n");  } -void mga_do_dma_wrap_start(drm_mga_private_t * dev_priv) +void mga_do_dma_wrap_start(drm_mga_private_t *dev_priv)  {  	drm_mga_primary_buffer_t *primary = &dev_priv->prim;  	u32 head, tail; @@ -181,11 +180,10 @@ void mga_do_dma_wrap_start(drm_mga_private_t * dev_priv)  	head = MGA_READ(MGA_PRIMADDRESS); -	if (head == dev_priv->primary->offset) { +	if (head == dev_priv->primary->offset)  		primary->space = primary->size; -	} else { +	else  		primary->space = head - dev_priv->primary->offset; -	}  	DRM_DEBUG("   head = 0x%06lx\n", (unsigned long)(head - dev_priv->primary->offset));  	DRM_DEBUG("   tail = 0x%06x\n", primary->tail); @@ -199,7 +197,7 @@ void mga_do_dma_wrap_start(drm_mga_private_t * dev_priv)  	DRM_DEBUG("done.\n");  } -void mga_do_dma_wrap_end(drm_mga_private_t * dev_priv) +void mga_do_dma_wrap_end(drm_mga_private_t *dev_priv)  {  	drm_mga_primary_buffer_t *primary = &dev_priv->prim;  	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; @@ -220,11 +218,11 @@ void mga_do_dma_wrap_end(drm_mga_private_t * dev_priv)   * Freelist management   */ -#define MGA_BUFFER_USED		~0 +#define MGA_BUFFER_USED		(~0)  #define MGA_BUFFER_FREE		0  #if MGA_FREELIST_DEBUG -static void mga_freelist_print(struct drm_device * dev) +static void mga_freelist_print(struct drm_device *dev)  {  	drm_mga_private_t *dev_priv = dev->dev_private;  	drm_mga_freelist_t *entry; @@ -245,7 +243,7 @@ static void mga_freelist_print(struct drm_device * dev)  }  #endif -static int mga_freelist_init(struct drm_device * dev, drm_mga_private_t * dev_priv) +static int mga_freelist_init(struct drm_device *dev, drm_mga_private_t *dev_priv)  {  	struct drm_device_dma *dma = dev->dma;  	struct drm_buf *buf; @@ -288,7 +286,7 @@ static int mga_freelist_init(struct drm_device * dev, drm_mga_private_t * dev_pr  	return 0;  } -static void mga_freelist_cleanup(struct drm_device * dev) +static void mga_freelist_cleanup(struct drm_device *dev)  {  	drm_mga_private_t *dev_priv = dev->dev_private;  	drm_mga_freelist_t *entry; @@ -308,7 +306,7 @@ static void mga_freelist_cleanup(struct drm_device * dev)  #if 0  /* FIXME: Still needed?   */ -static void mga_freelist_reset(struct drm_device * dev) +static void mga_freelist_reset(struct drm_device *dev)  {  	struct drm_device_dma *dma = dev->dma;  	struct drm_buf *buf; @@ -356,7 +354,7 @@ static struct drm_buf *mga_freelist_get(struct drm_device * dev)  	return NULL;  } -int mga_freelist_put(struct drm_device * dev, struct drm_buf * buf) +int mga_freelist_put(struct drm_device *dev, struct drm_buf *buf)  {  	drm_mga_private_t *dev_priv = dev->dev_private;  	drm_mga_buf_priv_t *buf_priv = buf->dev_private; @@ -391,7 +389,7 @@ int mga_freelist_put(struct drm_device * dev, struct drm_buf * buf)   * DMA initialization, cleanup   */ -int mga_driver_load(struct drm_device * dev, unsigned long flags) +int mga_driver_load(struct drm_device *dev, unsigned long flags)  {  	drm_mga_private_t *dev_priv;  	int ret; @@ -405,8 +403,8 @@ int mga_driver_load(struct drm_device * dev, unsigned long flags)  	dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT;  	dev_priv->chipset = flags; -	dev_priv->mmio_base = drm_get_resource_start(dev, 1); -	dev_priv->mmio_size = drm_get_resource_len(dev, 1); +	dev_priv->mmio_base = pci_resource_start(dev->pdev, 1); +	dev_priv->mmio_size = pci_resource_len(dev->pdev, 1);  	dev->counters += 3;  	dev->types[6] = _DRM_STAT_IRQ; @@ -439,8 +437,8 @@ int mga_driver_load(struct drm_device * dev, unsigned long flags)   *   * \sa mga_do_dma_bootstrap, mga_do_pci_dma_bootstrap   */ -static int mga_do_agp_dma_bootstrap(struct drm_device * dev, -				    drm_mga_dma_bootstrap_t * dma_bs) +static int mga_do_agp_dma_bootstrap(struct drm_device *dev, +				    drm_mga_dma_bootstrap_t *dma_bs)  {  	drm_mga_private_t *const dev_priv =  	    (drm_mga_private_t *) dev->dev_private; @@ -481,11 +479,10 @@ static int mga_do_agp_dma_bootstrap(struct drm_device * dev,  	 */  	if (dev_priv->chipset == MGA_CARD_TYPE_G200) { -		if (mode.mode & 0x02) { +		if (mode.mode & 0x02)  			MGA_WRITE(MGA_AGP_PLL, MGA_AGP2XPLL_ENABLE); -		} else { +		else  			MGA_WRITE(MGA_AGP_PLL, MGA_AGP2XPLL_DISABLE); -		}  	}  	/* Allocate and bind AGP memory. */ @@ -593,8 +590,8 @@ static int mga_do_agp_dma_bootstrap(struct drm_device * dev,  	return 0;  }  #else -static int mga_do_agp_dma_bootstrap(struct drm_device * dev, -				    drm_mga_dma_bootstrap_t * dma_bs) +static int mga_do_agp_dma_bootstrap(struct drm_device *dev, +				    drm_mga_dma_bootstrap_t *dma_bs)  {  	return -EINVAL;  } @@ -614,8 +611,8 @@ static int mga_do_agp_dma_bootstrap(struct drm_device * dev,   *   * \sa mga_do_dma_bootstrap, mga_do_agp_dma_bootstrap   */ -static int mga_do_pci_dma_bootstrap(struct drm_device * dev, -				    drm_mga_dma_bootstrap_t * dma_bs) +static int mga_do_pci_dma_bootstrap(struct drm_device *dev, +				    drm_mga_dma_bootstrap_t *dma_bs)  {  	drm_mga_private_t *const dev_priv =  	    (drm_mga_private_t *) dev->dev_private; @@ -678,9 +675,8 @@ static int mga_do_pci_dma_bootstrap(struct drm_device * dev,  		req.size = dma_bs->secondary_bin_size;  		err = drm_addbufs_pci(dev, &req); -		if (!err) { +		if (!err)  			break; -		}  	}  	if (bin_count == 0) { @@ -704,8 +700,8 @@ static int mga_do_pci_dma_bootstrap(struct drm_device * dev,  	return 0;  } -static int mga_do_dma_bootstrap(struct drm_device * dev, -				drm_mga_dma_bootstrap_t * dma_bs) +static int mga_do_dma_bootstrap(struct drm_device *dev, +				drm_mga_dma_bootstrap_t *dma_bs)  {  	const int is_agp = (dma_bs->agp_mode != 0) && drm_device_is_agp(dev);  	int err; @@ -737,17 +733,15 @@ static int mga_do_dma_bootstrap(struct drm_device * dev,  	 * carve off portions of it for internal uses.  The remaining memory  	 * is returned to user-mode to be used for AGP textures.  	 */ -	if (is_agp) { +	if (is_agp)  		err = mga_do_agp_dma_bootstrap(dev, dma_bs); -	}  	/* If we attempted to initialize the card for AGP DMA but failed,  	 * clean-up any mess that may have been created.  	 */ -	if (err) { +	if (err)  		mga_do_cleanup_dma(dev, MINIMAL_CLEANUP); -	}  	/* Not only do we want to try and initialized PCI cards for PCI DMA,  	 * but we also try to initialized AGP cards that could not be @@ -757,9 +751,8 @@ static int mga_do_dma_bootstrap(struct drm_device * dev,  	 * AGP memory, etc.  	 */ -	if (!is_agp || err) { +	if (!is_agp || err)  		err = mga_do_pci_dma_bootstrap(dev, dma_bs); -	}  	return err;  } @@ -792,7 +785,7 @@ int mga_dma_bootstrap(struct drm_device *dev, void *data,  	return err;  } -static int mga_do_init_dma(struct drm_device * dev, drm_mga_init_t * init) +static int mga_do_init_dma(struct drm_device *dev, drm_mga_init_t *init)  {  	drm_mga_private_t *dev_priv;  	int ret; @@ -800,11 +793,10 @@ static int mga_do_init_dma(struct drm_device * dev, drm_mga_init_t * init)  	dev_priv = dev->dev_private; -	if (init->sgram) { +	if (init->sgram)  		dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_BLK; -	} else { +	else  		dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_RSTR; -	}  	dev_priv->maccess = init->maccess;  	dev_priv->fb_cpp = init->fb_cpp; @@ -975,9 +967,8 @@ static int mga_do_cleanup_dma(struct drm_device *dev, int full_cleanup)  				dev_priv->agp_handle = 0;  			} -			if ((dev->agp != NULL) && dev->agp->acquired) { +			if ((dev->agp != NULL) && dev->agp->acquired)  				err = drm_agp_release(dev); -			}  #endif  		} @@ -998,9 +989,8 @@ static int mga_do_cleanup_dma(struct drm_device *dev, int full_cleanup)  		memset(dev_priv->warp_pipe_phys, 0,  		       sizeof(dev_priv->warp_pipe_phys)); -		if (dev_priv->head != NULL) { +		if (dev_priv->head != NULL)  			mga_freelist_cleanup(dev); -		}  	}  	return err; @@ -1017,9 +1007,8 @@ int mga_dma_init(struct drm_device *dev, void *data,  	switch (init->func) {  	case MGA_INIT_DMA:  		err = mga_do_init_dma(dev, init); -		if (err) { +		if (err)  			(void)mga_do_cleanup_dma(dev, FULL_CLEANUP); -		}  		return err;  	case MGA_CLEANUP_DMA:  		return mga_do_cleanup_dma(dev, FULL_CLEANUP); @@ -1047,9 +1036,8 @@ int mga_dma_flush(struct drm_device *dev, void *data,  	WRAP_WAIT_WITH_RETURN(dev_priv); -	if (lock->flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL)) { +	if (lock->flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL))  		mga_do_dma_flush(dev_priv); -	}  	if (lock->flags & _DRM_LOCK_QUIESCENT) {  #if MGA_DMA_DEBUG @@ -1079,8 +1067,8 @@ int mga_dma_reset(struct drm_device *dev, void *data,   * DMA buffer management   */ -static int mga_dma_get_buffers(struct drm_device * dev, -			       struct drm_file *file_priv, struct drm_dma * d) +static int mga_dma_get_buffers(struct drm_device *dev, +			       struct drm_file *file_priv, struct drm_dma *d)  {  	struct drm_buf *buf;  	int i; @@ -1134,9 +1122,8 @@ int mga_dma_buffers(struct drm_device *dev, void *data,  	d->granted_count = 0; -	if (d->request_count) { +	if (d->request_count)  		ret = mga_dma_get_buffers(dev, file_priv, d); -	}  	return ret;  } @@ -1144,7 +1131,7 @@ int mga_dma_buffers(struct drm_device *dev, void *data,  /**   * Called just before the module is unloaded.   */ -int mga_driver_unload(struct drm_device * dev) +int mga_driver_unload(struct drm_device *dev)  {  	kfree(dev->dev_private);  	dev->dev_private = NULL; @@ -1155,12 +1142,12 @@ int mga_driver_unload(struct drm_device * dev)  /**   * Called when the last opener of the device is closed.   */ -void mga_driver_lastclose(struct drm_device * dev) +void mga_driver_lastclose(struct drm_device *dev)  {  	mga_do_cleanup_dma(dev, FULL_CLEANUP);  } -int mga_driver_dma_quiescent(struct drm_device * dev) +int mga_driver_dma_quiescent(struct drm_device *dev)  {  	drm_mga_private_t *dev_priv = dev->dev_private;  	return mga_do_wait_for_idle(dev_priv);  |