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Commit bb94f077 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Benjamin Herrenschmidt
Browse files

ps3fb: Inline functions in ps3fb_probe(), to ease cleanup in the error path 



Signed-off-by: default avatarGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: linux-fbdev-devel@lists.sourceforge.net
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 02aad32c

drivers/video/ps3fb.c

+86 −106
Original line number Diff line number Diff line
@@ -956,73 +956,6 @@ static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr) 
}





static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,

				struct device *dev)

{

	int error;



	dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);

	dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);

	dev_dbg(dev,

		"version_gpu: %x memory_size: %x ch: %x core_freq: %d "

		"mem_freq:%d\n",

		dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,

		dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);



	if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {

		dev_err(dev, "%s: version_driver err:%x\n", __func__,

			dinfo->version_driver);

		return -EINVAL;

	}



	error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,

				   &ps3fb.irq_no);

	if (error) {

		dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);

		return error;

	}



	error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,

			    DEVICE_NAME, dev);

	if (error) {

		dev_err(dev, "%s: request_irq failed %d\n", __func__, error);

		ps3_irq_plug_destroy(ps3fb.irq_no);

		return error;

	}



	dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |

			  (1 << GPU_INTR_STATUS_FLIP_1);

	return 0;

}



static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)

{

	int status;



	status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,

				       xdr_lpar, ps3fb_videomemory.size, 0);

	if (status) {

		dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",

			__func__, status);

		return -ENXIO;

	}

	dev_dbg(dev, "video:%p ioif:%lx lpar:%llx size:%lx\n",

		ps3fb_videomemory.address, GPU_IOIF, xdr_lpar,

		ps3fb_videomemory.size);



	status = lv1_gpu_context_attribute(ps3fb.context_handle,

					   L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,

					   xdr_lpar, GPU_CMD_BUF_SIZE,

					   GPU_IOIF, 0);

	if (status) {

		dev_err(dev,

			"%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",

			__func__, status);

		return -ENXIO;

	}

	return 0;

}



static struct fb_ops ps3fb_ops = {

	.fb_open	= ps3fb_open,

	.fb_release	= ps3fb_release,
@@ -1048,38 +981,6 @@ static struct fb_fix_screeninfo ps3fb_fix __initdata = { 
	.accel =	FB_ACCEL_NONE,

};



static int ps3fb_set_sync(struct device *dev)

{

	int status;



#ifdef HEAD_A

	status = lv1_gpu_context_attribute(0x0,

					   L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,

					   0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);

	if (status) {

		dev_err(dev,

			"%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "

			"%d\n",

			__func__, status);

		return -1;

	}

#endif

#ifdef HEAD_B

	status = lv1_gpu_context_attribute(0x0,

					   L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,

					   1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);



	if (status) {

		dev_err(dev,

			"%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "

			"%d\n",

			__func__, status);

		return -1;

	}

#endif

	return 0;

}



static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)

{

	struct fb_info *info;
@@ -1091,6 +992,7 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev) 
	u64 lpar_reports = 0;

	u64 lpar_reports_size = 0;

	u64 xdr_lpar;

	struct gpu_driver_info *dinfo;

	void *fb_start;

	int status;

	struct task_struct *task;
@@ -1116,7 +1018,31 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev) 
	atomic_set(&ps3fb.ext_flip, 0);	/* for flip with vsync */

	init_waitqueue_head(&ps3fb.wait_vsync);



	ps3fb_set_sync(&dev->core);

#ifdef HEAD_A

	status = lv1_gpu_context_attribute(0x0,

					   L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,

					   0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);

	if (status) {

		dev_err(&dev->core,

			"%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "

			"%d\n",

			__func__, status);

		goto err;

	}

#endif

#ifdef HEAD_B

	status = lv1_gpu_context_attribute(0x0,

					   L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,

					   1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);



	if (status) {

		dev_err(&dev->core,

			"%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "

			"%d\n",

			__func__, status);

		goto err;

	}

#endif



	max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;

	if (ps3fb_videomemory.size > max_ps3fb_size) {
@@ -1147,23 +1073,76 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev) 
	}



	/* vsync interrupt */

	ps3fb.dinfo = (void __force *)ioremap(lpar_driver_info, 128 * 1024);

	if (!ps3fb.dinfo) {

	dinfo = (void __force *)ioremap(lpar_driver_info, 128 * 1024);

	if (!dinfo) {

		dev_err(&dev->core, "%s: ioremap failed\n", __func__);

		goto err_gpu_context_free;

	}



	retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);

	if (retval)

	ps3fb.dinfo = dinfo;

	dev_dbg(&dev->core, "version_driver:%x\n", dinfo->version_driver);

	dev_dbg(&dev->core, "irq outlet:%x\n", dinfo->irq.irq_outlet);

	dev_dbg(&dev->core, "version_gpu: %x memory_size: %x ch: %x "

		"core_freq: %d mem_freq:%d\n", dinfo->version_gpu,

		dinfo->memory_size, dinfo->hardware_channel,

		dinfo->nvcore_frequency/1000000,

		dinfo->memory_frequency/1000000);



	if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {

		dev_err(&dev->core, "%s: version_driver err:%x\n", __func__,

			dinfo->version_driver);

		retval = -EINVAL;

		goto err_iounmap_dinfo;

	}



	retval = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,

				    &ps3fb.irq_no);

	if (retval) {

		dev_err(&dev->core, "%s: ps3_alloc_irq failed %d\n", __func__,

			retval);

		goto err_iounmap_dinfo;

	}



	retval = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt,

			     IRQF_DISABLED, DEVICE_NAME, &dev->core);

	if (retval) {

		dev_err(&dev->core, "%s: request_irq failed %d\n", __func__,

			retval);

		goto err_destroy_plug;

	}



	dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |

			  (1 << GPU_INTR_STATUS_FLIP_1);



	/* Clear memory to prevent kernel info leakage into userspace */

	memset(ps3fb_videomemory.address, 0, ps3fb_videomemory.size);



	xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address));

	retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);

	if (retval)



	status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,

				       xdr_lpar, ps3fb_videomemory.size, 0);

	if (status) {

		dev_err(&dev->core, "%s: lv1_gpu_context_iomap failed: %d\n",

			__func__, status);

		retval =  -ENXIO;

		goto err_free_irq;

	}



	dev_dbg(&dev->core, "video:%p ioif:%lx lpar:%llx size:%lx\n",

		ps3fb_videomemory.address, GPU_IOIF, xdr_lpar,

		ps3fb_videomemory.size);



	status = lv1_gpu_context_attribute(ps3fb.context_handle,

					   L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,

					   xdr_lpar, GPU_CMD_BUF_SIZE,

					   GPU_IOIF, 0);

	if (status) {

		dev_err(&dev->core,

			"%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",

			__func__, status);

		retval = -ENXIO;

		goto err_free_irq;

	}



	info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);

	if (!info)
@@ -1234,6 +1213,7 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev) 
	framebuffer_release(info);

err_free_irq:

	free_irq(ps3fb.irq_no, &dev->core);

err_destroy_plug:

	ps3_irq_plug_destroy(ps3fb.irq_no);

err_iounmap_dinfo:

	iounmap((u8 __force __iomem *)ps3fb.dinfo);