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authorGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>2009-06-10 04:38:49 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-06-15 13:26:21 +1000
commitc204ff65590837e6a9c50ca549497b4682682ec6 (patch)
tree8ba43efed25b4c7945f5e8e12b684b92e97f1a72
parentd3352c9f1e8e2f2989d9686c8aa8acb4842fe75e (diff)
downloadvexpress-lsk-c204ff65590837e6a9c50ca549497b4682682ec6.tar.gz
ps3fb: Tear down FB setup during cleanup
During cleanup, use L1GPU_CONTEXT_ATTRIBUTE_FB_CLOSE to tear down the setup done by L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP. This allows unloading and reloading of ps3fb while the sound driver keeps the GPU open. 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>
-rw-r--r--arch/powerpc/include/asm/ps3gpu.h8
-rw-r--r--drivers/video/ps3fb.c5
2 files changed, 12 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/ps3gpu.h b/arch/powerpc/include/asm/ps3gpu.h
index 1037efae4a5..b2b89591907 100644
--- a/arch/powerpc/include/asm/ps3gpu.h
+++ b/arch/powerpc/include/asm/ps3gpu.h
@@ -31,6 +31,7 @@
#define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP 0x600
#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT 0x601
#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC 0x602
+#define L1GPU_CONTEXT_ATTRIBUTE_FB_CLOSE 0x603
#define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION (1ULL << 32)
@@ -75,4 +76,11 @@ static inline int lv1_gpu_fb_blit(u64 context_handle, u64 ddr_offset,
pitch);
}
+static inline int lv1_gpu_fb_close(u64 context_handle)
+{
+ return lv1_gpu_context_attribute(context_handle,
+ L1GPU_CONTEXT_ATTRIBUTE_FB_CLOSE, 0,
+ 0, 0, 0);
+}
+
#endif /* _ASM_POWERPC_PS3GPU_H */
diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c
index 13c876c6e32..1baa1c93a22 100644
--- a/drivers/video/ps3fb.c
+++ b/drivers/video/ps3fb.c
@@ -1123,7 +1123,7 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
if (!info)
- goto err_context_unmap;
+ goto err_context_fb_close;
par = info->par;
par->mode_id = ~ps3fb_mode; /* != ps3fb_mode, to trigger change */
@@ -1188,6 +1188,8 @@ err_fb_dealloc:
fb_dealloc_cmap(&info->cmap);
err_framebuffer_release:
framebuffer_release(info);
+err_context_fb_close:
+ lv1_gpu_fb_close(ps3fb.context_handle);
err_context_unmap:
lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar,
ps3fb_videomemory.size, CBE_IOPTE_M);
@@ -1233,6 +1235,7 @@ static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
info = dev->core.driver_data = NULL;
}
iounmap((u8 __force __iomem *)ps3fb.dinfo);
+ lv1_gpu_fb_close(ps3fb.context_handle);
lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar,
ps3fb_videomemory.size, CBE_IOPTE_M);
lv1_gpu_context_free(ps3fb.context_handle);