From: Ameya Palande <[email protected]> This patch improves performance of flush_all operation by:
1. Instead of checking IVA state by reading a register, use pDevContext->dwBrdState variable. 2. Only call WakeDSP() when IVA is in OFF state. Ported from: http://gitorious.org/tidspbridge/mainline/commit/f0cc4ab4e4c40043a423f178a970ad9c8ab8fa06 Signed-off-by: Ameya Palande <[email protected]> [ orl: ported ] Signed-off-by: Omar Ramirez Luna <[email protected]> --- drivers/dsp/bridge/wmd/tiomap3430.c | 18 ++++-------------- 1 files changed, 4 insertions(+), 14 deletions(-) diff --git a/drivers/dsp/bridge/wmd/tiomap3430.c b/drivers/dsp/bridge/wmd/tiomap3430.c index b7447e1..7138396 100644 --- a/drivers/dsp/bridge/wmd/tiomap3430.c +++ b/drivers/dsp/bridge/wmd/tiomap3430.c @@ -275,21 +275,11 @@ static inline void tlb_flush_all(const void __iomem *base) static inline void flush_all(struct WMD_DEV_CONTEXT *pDevContext) { - struct CFG_HOSTRES resources; - u32 temp = 0; - - CFG_GetHostResources((struct CFG_DEVNODE *)DRV_GetFirstDevExtension(), - &resources); - HW_PWRST_IVA2RegGet(resources.dwPrmBase, &temp); - - if ((temp & HW_PWR_STATE_ON) == HW_PWR_STATE_OFF || - (temp & HW_PWR_STATE_ON) == HW_PWR_STATE_RET) { - CLK_Enable(SERVICESCLK_iva2_ck); + if (pDevContext->dwBrdState == BRD_DSP_HIBERNATION || + pDevContext->dwBrdState == BRD_HIBERNATION) WakeDSP(pDevContext, NULL); - tlb_flush_all(pDevContext->dwDSPMmuBase); - CLK_Disable(SERVICESCLK_iva2_ck); - } else - tlb_flush_all(pDevContext->dwDSPMmuBase); + + tlb_flush_all(pDevContext->dwDSPMmuBase); } static void bad_page_dump(u32 pa, struct page *pg) -- 1.6.2.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
