[PATCH] ALSA: hda: intel: Introduce msi64 parameter to override 64-bit MSI restriction
Han Gao <[email protected]>
| Newsgroups | dev.linux.lists.sophgo,org.infradead.lists.linux-riscv,org.kernel.vger.linux-kernel,org.kernel.vger.linux-sound |
|---|---|
| Message-ID | <[email protected]> |
Sophgo SG2042 MSI driver does not support 32-bit MSI. Introduce an 'msi64' kernel parameter to bypass NO_MSI64 for ATI/HDMI. Signed-off-by: Han Gao <[email protected]> --- sound/hda/controllers/intel.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/sound/hda/controllers/intel.c b/sound/hda/controllers/intel.c index 1e8e3d61291a..b4bad9e65235 100644 --- a/sound/hda/controllers/intel.c +++ b/sound/hda/controllers/intel.c @@ -121,6 +121,7 @@ static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = #endif static bool dmic_detect = 1; static bool ctl_dev_id = IS_ENABLED(CONFIG_SND_HDA_CTL_DEV_ID) ? 1 : 0; +static bool msi64; module_param_array(index, int, NULL, 0444); MODULE_PARM_DESC(index, "Index value for Intel HD audio interface."); @@ -161,6 +162,8 @@ MODULE_PARM_DESC(dmic_detect, "Allow DSP driver selection (bypass this driver) " "deprecated, use snd-intel-dspcfg.dsp_driver option instead"); module_param(ctl_dev_id, bool, 0444); MODULE_PARM_DESC(ctl_dev_id, "Use control device identifier (based on codec address)."); +module_param(msi64, bool, 0444); +MODULE_PARM_DESC(msi64, "Force use msi 64bit."); #ifdef CONFIG_PM static int param_set_xint(const char *val, const struct kernel_param *kp); @@ -1903,7 +1906,7 @@ static int azx_first_init(struct azx *chip) chip->gts_present = true; #endif - if (chip->msi && chip->driver_caps & AZX_DCAPS_NO_MSI64) { + if (chip->msi && chip->driver_caps & AZX_DCAPS_NO_MSI64 && !msi64) { dev_dbg(card->dev, "Disabling 64bit MSI\n"); pci->no_64bit_msi = true; } -- 2.47.3