diff options
Diffstat (limited to 'hda_intel-prealloc-4mb-dmabuffer.patch')
| -rw-r--r-- | hda_intel-prealloc-4mb-dmabuffer.patch | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/hda_intel-prealloc-4mb-dmabuffer.patch b/hda_intel-prealloc-4mb-dmabuffer.patch deleted file mode 100644 index 36e6aca4f..000000000 --- a/hda_intel-prealloc-4mb-dmabuffer.patch +++ /dev/null @@ -1,47 +0,0 @@ -From c69fcbd1f60b0842f7c1ad2c95692ffd19c4932b Mon Sep 17 00:00:00 2001 -From: Kyle McMartin <kyle@phobos.i.jkkm.org> -Date: Mon, 29 Mar 2010 23:56:08 -0400 -Subject: hda_intel-prealloc-4mb-dmabuffer - ---- - sound/pci/hda/hda_intel.c | 14 +++++++++++++- - 1 files changed, 13 insertions(+), 1 deletions(-) - -diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c -index 4bb9067..37db515 100644 ---- a/sound/pci/hda/hda_intel.c -+++ b/sound/pci/hda/hda_intel.c -@@ -1986,6 +1986,7 @@ azx_attach_pcm_stream(struct hda_bus *bus, struct hda_codec *codec, - struct azx_pcm *apcm; - int pcm_dev = cpcm->device; - int s, err; -+ size_t prealloc_min = 64*1024; /* 64KB */ - - if (pcm_dev >= HDA_MAX_PCMS) { - snd_printk(KERN_ERR SFX "Invalid PCM device number %d\n", -@@ -2019,10 +2020,21 @@ azx_attach_pcm_stream(struct hda_bus *bus, struct hda_codec *codec, - if (cpcm->stream[s].substreams) - snd_pcm_set_ops(pcm, s, &azx_pcm_ops); - } -+ - /* buffer pre-allocation */ -+ -+ /* subtle, don't allocate a big buffer for modems... -+ * also, don't just test 32BIT_MASK, since azx supports -+ * 64-bit DMA in some cases. -+ */ -+ /* lennart wants a 2.2MB buffer for 2sec of 48khz */ -+ if (pcm->dev_class == SNDRV_PCM_CLASS_GENERIC && -+ chip->pci->dma_mask >= DMA_32BIT_MASK) -+ prealloc_min = 4 * 1024 * 1024; /* 4MB */ -+ - snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, - snd_dma_pci_data(chip->pci), -- 1024 * 64, 32 * 1024 * 1024); -+ prealloc_min, 32 * 1024 * 1024); - return 0; - } - --- -1.7.0.1 - |