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| author | Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> | 2009-06-10 04:38:46 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-15 13:26:20 +1000 |
| commit | e78d0c5c14ab91648274b2c5e6c4c35f072cea64 (patch) | |
| tree | df3c70542e5f7e31d30552957bc528af8575014e /drivers/video | |
| parent | 5c6fc8db768fb9990ee67ab052896fd46fbe2651 (diff) | |
| download | op-kernel-dev-e78d0c5c14ab91648274b2c5e6c4c35f072cea64.zip op-kernel-dev-e78d0c5c14ab91648274b2c5e6c4c35f072cea64.tar.gz | |
ps3fb: GPU memory mapping cleanup
- Make the IOMMU flags used for mapping main memory into the GPU's I/O space
explicit, instead of relying on the default in the hypervisor,
- Add missing calls to lv1_gpu_context_iomap(..., CBE_IOPTE_M) to unmap the
memory during cleanup.
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: linux-fbdev-devel@lists.sourceforge.net
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/ps3fb.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c index 542ffc3..a61c1d8 100644 --- a/drivers/video/ps3fb.c +++ b/drivers/video/ps3fb.c @@ -32,6 +32,7 @@ #include <linux/init.h> #include <asm/abs_addr.h> +#include <asm/iommu.h> #include <asm/lv1call.h> #include <asm/ps3av.h> #include <asm/ps3fb.h> @@ -1122,7 +1123,9 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev) xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address)); status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, - xdr_lpar, ps3fb_videomemory.size, 0); + xdr_lpar, ps3fb_videomemory.size, + CBE_IOPTE_PP_W | CBE_IOPTE_PP_R | + CBE_IOPTE_M); if (status) { dev_err(&dev->core, "%s: lv1_gpu_context_iomap failed: %d\n", __func__, status); @@ -1143,12 +1146,12 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev) "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n", __func__, status); retval = -ENXIO; - goto err_free_irq; + goto err_context_unmap; } info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core); if (!info) - goto err_free_irq; + goto err_context_unmap; par = info->par; par->mode_id = ~ps3fb_mode; /* != ps3fb_mode, to trigger change */ @@ -1213,6 +1216,9 @@ err_fb_dealloc: fb_dealloc_cmap(&info->cmap); err_framebuffer_release: framebuffer_release(info); +err_context_unmap: + lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, + ps3fb_videomemory.size, CBE_IOPTE_M); err_free_irq: free_irq(ps3fb.irq_no, &dev->core); err_destroy_plug: @@ -1232,6 +1238,7 @@ err: static int ps3fb_shutdown(struct ps3_system_bus_device *dev) { struct fb_info *info = dev->core.driver_data; + u64 xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address)); dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__); @@ -1254,6 +1261,8 @@ static int ps3fb_shutdown(struct ps3_system_bus_device *dev) info = dev->core.driver_data = NULL; } iounmap((u8 __force __iomem *)ps3fb.dinfo); + lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, + ps3fb_videomemory.size, CBE_IOPTE_M); lv1_gpu_context_free(ps3fb.context_handle); lv1_gpu_memory_free(ps3fb.memory_handle); ps3_close_hv_device(dev); |
