diff options
Diffstat (limited to 'drivers/gpu/drm/mga/mga_dma.c')
| -rw-r--r-- | drivers/gpu/drm/mga/mga_dma.c | 165 |
1 files changed, 76 insertions, 89 deletions
diff --git a/drivers/gpu/drm/mga/mga_dma.c b/drivers/gpu/drm/mga/mga_dma.c index c1d12dbfa8d..c3bf059ba72 100644 --- a/drivers/gpu/drm/mga/mga_dma.c +++ b/drivers/gpu/drm/mga/mga_dma.c @@ -35,10 +35,8 @@ * \author Gareth Hughes <gareth@valinux.com> */ -#include "drmP.h" -#include "drm.h" -#include "drm_sarea.h" -#include "mga_drm.h" +#include <drm/drmP.h> +#include <drm/mga_drm.h> #include "mga_drv.h" #define MGA_DEFAULT_USEC_TIMEOUT 10000 @@ -52,7 +50,7 @@ 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 +72,7 @@ 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 +100,7 @@ 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; @@ -142,14 +140,13 @@ 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", head - dev_priv->primary->offset); - DRM_DEBUG(" tail = 0x%06lx\n", tail - dev_priv->primary->offset); + 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)); DRM_DEBUG(" space = 0x%06x\n", primary->space); mga_flush_write_combine(); @@ -158,7 +155,7 @@ 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; @@ -181,13 +178,12 @@ 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", 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); DRM_DEBUG(" wrap = %d\n", primary->last_wrap); DRM_DEBUG(" space = 0x%06x\n", primary->space); @@ -199,7 +195,7 @@ 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 +216,11 @@ 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; @@ -239,13 +235,13 @@ static void mga_freelist_print(struct drm_device * dev) for (entry = dev_priv->head->next; entry; entry = entry->next) { DRM_INFO(" %p idx=%2d age=0x%x 0x%06lx\n", entry, entry->buf->idx, entry->age.head, - entry->age.head - dev_priv->primary->offset); + (unsigned long)(entry->age.head - dev_priv->primary->offset)); } DRM_INFO("\n"); } #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; @@ -254,23 +250,20 @@ static int mga_freelist_init(struct drm_device * dev, drm_mga_private_t * dev_pr int i; DRM_DEBUG("count=%d\n", dma->buf_count); - dev_priv->head = drm_alloc(sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER); + dev_priv->head = kzalloc(sizeof(drm_mga_freelist_t), GFP_KERNEL); if (dev_priv->head == NULL) return -ENOMEM; - memset(dev_priv->head, 0, sizeof(drm_mga_freelist_t)); SET_AGE(&dev_priv->head->age, MGA_BUFFER_USED, 0); for (i = 0; i < dma->buf_count; i++) { buf = dma->buflist[i]; buf_priv = buf->dev_private; - entry = drm_alloc(sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER); + entry = kzalloc(sizeof(drm_mga_freelist_t), GFP_KERNEL); if (entry == NULL) return -ENOMEM; - memset(entry, 0, sizeof(drm_mga_freelist_t)); - entry->next = dev_priv->head->next; entry->prev = dev_priv->head; SET_AGE(&entry->age, MGA_BUFFER_FREE, 0); @@ -291,7 +284,7 @@ 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; @@ -301,7 +294,7 @@ static void mga_freelist_cleanup(struct drm_device * dev) entry = dev_priv->head; while (entry) { next = entry->next; - drm_free(entry, sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER); + kfree(entry); entry = next; } @@ -311,7 +304,7 @@ 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; @@ -340,10 +333,10 @@ static struct drm_buf *mga_freelist_get(struct drm_device * dev) DRM_DEBUG(" tail=0x%06lx %d\n", tail->age.head ? - tail->age.head - dev_priv->primary->offset : 0, + (unsigned long)(tail->age.head - dev_priv->primary->offset) : 0, tail->age.wrap); DRM_DEBUG(" head=0x%06lx %d\n", - head - dev_priv->primary->offset, wrap); + (unsigned long)(head - dev_priv->primary->offset), wrap); if (TEST_AGE(&tail->age, head, wrap)) { prev = dev_priv->tail->prev; @@ -359,15 +352,16 @@ 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; drm_mga_freelist_t *head, *entry, *prev; DRM_DEBUG("age=0x%06lx wrap=%d\n", - buf_priv->list_entry->age.head - - dev_priv->primary->offset, buf_priv->list_entry->age.wrap); + (unsigned long)(buf_priv->list_entry->age.head - + dev_priv->primary->offset), + buf_priv->list_entry->age.wrap); entry = buf_priv->list_entry; head = dev_priv->head; @@ -393,27 +387,31 @@ 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; - dev_priv = drm_alloc(sizeof(drm_mga_private_t), DRM_MEM_DRIVER); + dev_priv = kzalloc(sizeof(drm_mga_private_t), GFP_KERNEL); if (!dev_priv) return -ENOMEM; dev->dev_private = (void *)dev_priv; - memset(dev_priv, 0, sizeof(drm_mga_private_t)); 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); + pci_set_master(dev->pdev); - dev->counters += 3; - dev->types[6] = _DRM_STAT_IRQ; - dev->types[7] = _DRM_STAT_PRIMARY; - dev->types[8] = _DRM_STAT_SECONDARY; + dev_priv->mmio_base = pci_resource_start(dev->pdev, 1); + dev_priv->mmio_size = pci_resource_len(dev->pdev, 1); + + ret = drm_vblank_init(dev, 1); + + if (ret) { + (void) mga_driver_unload(dev); + return ret; + } return 0; } @@ -423,7 +421,7 @@ int mga_driver_load(struct drm_device * dev, unsigned long flags) * Bootstrap the driver for AGP DMA. * * \todo - * Investigate whether there is any benifit to storing the WARP microcode in + * Investigate whether there is any benefit to storing the WARP microcode in * AGP memory. If not, the microcode may as well always be put in PCI * memory. * @@ -434,12 +432,12 @@ 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; - unsigned int warp_size = mga_warp_microcode_size(dev_priv); + unsigned int warp_size = MGA_WARP_UCODE_SIZE; int err; unsigned offset; const unsigned secondary_size = dma_bs->secondary_bin_count @@ -476,11 +474,10 @@ 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. */ @@ -588,8 +585,8 @@ 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; } @@ -609,12 +606,12 @@ 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; - unsigned int warp_size = mga_warp_microcode_size(dev_priv); + unsigned int warp_size = MGA_WARP_UCODE_SIZE; unsigned int primary_size; unsigned int bin_count; int err; @@ -673,9 +670,8 @@ 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) { @@ -699,10 +695,10 @@ 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); + const int is_agp = (dma_bs->agp_mode != 0) && drm_pci_device_is_agp(dev); int err; drm_mga_private_t *const dev_priv = (drm_mga_private_t *) dev->dev_private; @@ -732,17 +728,15 @@ 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 @@ -752,9 +746,8 @@ 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; } @@ -787,7 +780,7 @@ 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; @@ -795,11 +788,10 @@ 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; @@ -970,9 +962,8 @@ 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 } @@ -993,9 +984,8 @@ 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; @@ -1012,9 +1002,8 @@ 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); @@ -1042,9 +1031,8 @@ 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 @@ -1074,8 +1062,8 @@ 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; @@ -1087,10 +1075,10 @@ static int mga_dma_get_buffers(struct drm_device * dev, buf->file_priv = file_priv; - if (DRM_COPY_TO_USER(&d->request_indices[i], + if (copy_to_user(&d->request_indices[i], &buf->idx, sizeof(buf->idx))) return -EFAULT; - if (DRM_COPY_TO_USER(&d->request_sizes[i], + if (copy_to_user(&d->request_sizes[i], &buf->total, sizeof(buf->total))) return -EFAULT; @@ -1129,9 +1117,8 @@ 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; } @@ -1139,9 +1126,9 @@ 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) { - drm_free(dev->dev_private, sizeof(drm_mga_private_t), DRM_MEM_DRIVER); + kfree(dev->dev_private); dev->dev_private = NULL; return 0; @@ -1150,12 +1137,12 @@ 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); |