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[patch 49/62] DVB: cx23885: Reallocated the sram to avoid concurrent VIDB/C issues

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From: Greg KH
Subject: [patch 49/62] DVB: cx23885: Reallocated the sram to avoid concurrent VIDB/C issues
Date: Wednesday, July 30, 2008 - 4:59 pm

2.6.26 -stable review patch.  If anyone has any objections, please let
us know.

------------------
From: Steven Toth <stoth@hauppauge.com>

(cherry picked from commit d8d12b4367e2e759f65c5f9dcb94d21ec237bbc5)

DVB: cx23885: Reallocated the sram to avoid concurrent VIDB/C issues

This may be cx23885 chip specific and may not work on the cx23887.
Analog and mpeg encoder streaming are still to be tested.

Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
 drivers/media/video/cx23885/cx23885-core.c |   15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

--- a/drivers/media/video/cx23885/cx23885-core.c
+++ b/drivers/media/video/cx23885/cx23885-core.c
@@ -80,8 +80,8 @@ static struct sram_channel cx23887_sram_
 	[SRAM_CH01] = {
 		.name		= "VID A",
 		.cmds_start	= 0x10000,
-		.ctrl_start	= 0x105b0,
-		.cdt		= 0x107b0,
+		.ctrl_start	= 0x10380,
+		.cdt		= 0x104c0,
 		.fifo_start	= 0x40,
 		.fifo_size	= 0x2800,
 		.ptr1_reg	= DMA1_PTR1,
@@ -104,8 +104,8 @@ static struct sram_channel cx23887_sram_
 	[SRAM_CH03] = {
 		.name		= "TS1 B",
 		.cmds_start	= 0x100A0,
-		.ctrl_start	= 0x10670,
-		.cdt		= 0x10810,
+		.ctrl_start	= 0x10400,
+		.cdt		= 0x10580,
 		.fifo_start	= 0x5000,
 		.fifo_size	= 0x1000,
 		.ptr1_reg	= DMA3_PTR1,
@@ -140,8 +140,8 @@ static struct sram_channel cx23887_sram_
 	[SRAM_CH06] = {
 		.name		= "TS2 C",
 		.cmds_start	= 0x10140,
-		.ctrl_start	= 0x10680,
-		.cdt		= 0x108d0,
+		.ctrl_start	= 0x10440,
+		.cdt		= 0x105e0,
 		.fifo_start	= 0x6000,
 		.fifo_size	= 0x1000,
 		.ptr1_reg	= DMA5_PTR1,
@@ -1043,6 +1043,9 @@ static int cx23885_start_dma(struct cx23
 	dprintk(1, "%s() w: %d, h: %d, f: %d\n", __func__,
 		buf->vb.width, buf->vb.height, buf->vb.field);
 
+	/* Stop the fifo and risc engine for this port */
+	cx_clear(port->reg_dma_ctl, port->dma_ctl_val);
+
 	/* setup fifo + format */
 	cx23885_sram_channel_setup(dev,
 				   &dev->sram_channels[ port->sram_chno ],

-- 
--
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Messages in current thread:
[patch 00/62] 2.6.26-stable review, Greg KH, (Wed Jul 30, 4:49 pm)
[patch 01/62] pxamci: trivial fix of DMA alignment registe ..., Greg KH, (Wed Jul 30, 4:57 pm)
[patch 02/62] udplite: Protection against coverage value w ..., Greg KH, (Wed Jul 30, 4:57 pm)
[patch 03/62] ipv6: use timer pending, Greg KH, (Wed Jul 30, 4:57 pm)
[patch 04/62] ipv6: __KERNEL__ ifdef struct ipv6_devconf, Greg KH, (Wed Jul 30, 4:57 pm)
[patch 05/62] hdlcdrv: Fix CRC calculation., Greg KH, (Wed Jul 30, 4:57 pm)
[patch 06/62] quota: fix possible infinite loop in quota code, Greg KH, (Wed Jul 30, 4:57 pm)
[patch 07/62] isofs: fix minor filesystem corruption, Greg KH, (Wed Jul 30, 4:58 pm)
[patch 08/62] KVM: VMX: Fix a wrong usage of vmcs_config, Greg KH, (Wed Jul 30, 4:58 pm)
[patch 09/62] KVM: SVM: fix suspend/resume support, Greg KH, (Wed Jul 30, 4:58 pm)
[patch 10/62] KVM: mmu_shrink: kvm_mmu_zap_page requires s ..., Greg KH, (Wed Jul 30, 4:58 pm)
[patch 11/62] KVM: VMX: Add ept_sync_context in flush_tlb, Greg KH, (Wed Jul 30, 4:58 pm)
[patch 12/62] KVM: x86 emulator: Fix HLT instruction, Greg KH, (Wed Jul 30, 4:58 pm)
[patch 13/62] KVM: MMU: nuke shadowed pgtable pages and pt ..., Greg KH, (Wed Jul 30, 4:58 pm)
[patch 14/62] KVM: MMU: Fix potential race setting upper s ..., Greg KH, (Wed Jul 30, 4:58 pm)
[patch 15/62] Patch Upstream: x86 ptrace: fix PTRACE_GETFP ..., Greg KH, (Wed Jul 30, 4:58 pm)
[patch 16/62] rcu: fix rcu_try_flip_waitack_needed() to pr ..., Greg KH, (Wed Jul 30, 4:58 pm)
[patch 17/62] Fix typos from signal_32/64.h merge, Greg KH, (Wed Jul 30, 4:58 pm)
[patch 18/62] x86 reboot quirks: add Dell Precision WorkSt ..., Greg KH, (Wed Jul 30, 4:58 pm)
[patch 19/62] USB: fix usb serial pm counter decrement for ..., Greg KH, (Wed Jul 30, 4:58 pm)
[patch 20/62] x86, suspend, acpi: enter Big Real Mode, Greg KH, (Wed Jul 30, 4:58 pm)
[patch 21/62] markers: fix duplicate modpost entry, Greg KH, (Wed Jul 30, 4:58 pm)
[patch 22/62] Fix build on COMPAT platforms when CONFIG_EP ..., Greg KH, (Wed Jul 30, 4:58 pm)
[patch 24/62] cpusets: fix wrong domain attr updates, Greg KH, (Wed Jul 30, 4:58 pm)
[patch 25/62] x86: fix crash due to missing debugctlmsr on ..., Greg KH, (Wed Jul 30, 4:58 pm)
[patch 23/62] proc: fix /proc/*/pagemap, Greg KH, (Wed Jul 30, 4:58 pm)
[patch 26/62] ide-cd: fix oops when using growisofs, Greg KH, (Wed Jul 30, 4:58 pm)
[patch 27/62] rtc-at91rm9200: avoid spurious irqs, Greg KH, (Wed Jul 30, 4:58 pm)
[patch 28/62] vmlinux.lds: move __attribute__((__cold__)) ..., Greg KH, (Wed Jul 30, 4:58 pm)
[patch 29/62] ARM: fix fls() for 64-bit arguments, Greg KH, (Wed Jul 30, 4:58 pm)
[patch 30/62] tcp: Clear probes_out more aggressively in t ..., Greg KH, (Wed Jul 30, 4:58 pm)
[patch 31/62] sparc64: Fix lockdep issues in LDC protocol ..., Greg KH, (Wed Jul 30, 4:58 pm)
[patch 32/62] sparc64: Fix cpufreq notifier registry., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 33/62] sparc64: Do not define BIO_VMERGE_BOUNDARY., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 34/62] iop-adma: fix platform driver hotplug/coldplug, Greg KH, (Wed Jul 30, 4:59 pm)
[patch 35/62] myri10ge: do not forget to setup the single ..., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 36/62] myri10ge: do not use mgp-&gt;max_intr_slots bef ..., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 37/62] ALSA: trident - pause s/pdif output, Greg KH, (Wed Jul 30, 4:59 pm)
[patch 38/62] V4L: cx18: Upgrade to newer firmware &amp; updat ..., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 39/62] DVB: dib0700: add support for Hauppauge Nova ..., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 40/62] V4L: uvcvideo: Fix a buffer overflow in form ..., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 41/62] V4L: uvcvideo: Use GFP_NOIO when allocating ..., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 42/62] V4L: uvcvideo: Dont free URB buffers on suspend, Greg KH, (Wed Jul 30, 4:59 pm)
[patch 43/62] V4L: uvcvideo: Make input device support opt ..., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 44/62] V4L: uvcvideo: Add support for Medion Akoya ..., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 45/62] V4L: saa7134: Copy tuner data earlier to avo ..., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 46/62] V4L: cx23885: Bugfix for concurrent use of / ..., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 47/62] DVB: cx23885: Ensure PAD_CTRL is always rese ..., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 48/62] DVB: cx23885: DVB Transport cards using DVB ..., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 49/62] DVB: cx23885: Reallocated the sram to avoid ..., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 50/62] DVB: cx23885: SRAM changes for the 885 and 8 ..., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 51/62] x86: fix kernel_physical_mapping_init() for ..., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 52/62] eCryptfs: use page_alloc not kmalloc to get ..., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 53/62] UML - Fix boot crash, Greg KH, (Wed Jul 30, 4:59 pm)
[patch 54/62] ixgbe: remove device ID for unsupported device, Greg KH, (Wed Jul 30, 4:59 pm)
[patch 55/62] mpc52xx_psc_spi: fix block transfer, Greg KH, (Wed Jul 30, 4:59 pm)
[patch 56/62] tmpfs: fix kernel BUG in shmem_delete_inode, Greg KH, (Wed Jul 30, 4:59 pm)
[patch 57/62] markers: fix markers read barrier for multip ..., Greg KH, (Wed Jul 30, 4:59 pm)
[patch 58/62] VFS: increase pseudo-filesystem block size t ..., Greg KH, (Wed Jul 30, 5:00 pm)
[patch 59/62] cpufreq acpi: only call _PPC after cpufreq A ..., Greg KH, (Wed Jul 30, 5:00 pm)
[patch 60/62] b43legacy: Release mutex in error handling code, Greg KH, (Wed Jul 30, 5:00 pm)
[patch 61/62] ath5k: dont enable MSI, we cannot handle it yet, Greg KH, (Wed Jul 30, 5:00 pm)
[patch 62/62] Fix off-by-one error in iov_iter_advance(), Greg KH, (Wed Jul 30, 5:00 pm)
Re: [patch 20/62] x86, suspend, acpi: enter Big Real Mode, Pavel Machek, (Tue Aug 5, 5:15 am)