Attachment 25427 Details for Bug 18702 – Save/restore FIFO regs (correct pat

[patch] Save/restore FIFO regs (correct pat

i915-save-fifo-regs-2.patch (text/plain), 1.33 KB, created by Jesse Barnes on 2009-05-04 13:39:01 UTC

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Creator: Jesse Barnes

Created: 2009-05-04 13:39:01 UTC

Size: 1.33 KB

patch

obsolete

>diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
>index 2506592..6b0ae60 100644
>--- a/drivers/gpu/drm/i915/i915_drv.h
>+++ b/drivers/gpu/drm/i915/i915_drv.h
>@@ -199,6 +199,8 @@ typedef struct drm_i915_private {
> 	u32 saveDSPACNTR;
> 	u32 saveDSPBCNTR;
> 	u32 saveDSPARB;
>+	u32 saveFW_BLC;
>+	u32 saveFW_BLC_SELF;
> 	u32 saveRENDERSTANDBY;
> 	u32 saveHWS;
> 	u32 savePIPEACONF;
>diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
>index d669cc2..0705dc9 100644
>--- a/drivers/gpu/drm/i915/i915_suspend.c
>+++ b/drivers/gpu/drm/i915/i915_suspend.c
>@@ -239,6 +239,10 @@ int i915_save_state(struct drm_device *dev)
> 	/* Display arbitration control */
> 	dev_priv->saveDSPARB = I915_READ(DSPARB);
> 
>+	/* FIFO watermarks */
>+	dev_priv->saveFW_BLC = I915_READ(FW_BLC);
>+	dev_priv->saveFW_BLC_SELF = I915_READ(FW_BLC_SELF);
>+
> 	/* Pipe & plane A info */
> 	dev_priv->savePIPEACONF = I915_READ(PIPEACONF);
> 	dev_priv->savePIPEASRC = I915_READ(PIPEASRC);
>@@ -371,6 +375,10 @@ int i915_restore_state(struct drm_device *dev)
> 	/* Display arbitration */
> 	I915_WRITE(DSPARB, dev_priv->saveDSPARB);
> 
>+	/* FIFO watermarks */
>+	I915_WRITE(FW_BLC, dev_priv->saveFW_BLC);
>+	I915_WRITE(FW_BLC_SELF, dev_priv->saveFW_BLC_SELF);
>+
> 	/* Pipe & plane A info */
> 	/* Prime the clock */
> 	if (dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) {

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