Attachment 32328 Details for Bug 25809 – Use the software method to switch the different refresh rate for LVDS

[patch] Use the software method to switch the different refresh rate for LVDS

0001_software_drrs.patch (text/plain), 1.25 KB, created by ykzhao on 2009-12-28 06:19:19 UTC

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Creator: ykzhao

Created: 2009-12-28 06:19:19 UTC

Size: 1.25 KB

patch

obsolete

>Use the software method to switch different refresh rate for LVDS
>---
> drivers/gpu/drm/i915/intel_display.c |    6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
>Index: linux-2.6/drivers/gpu/drm/i915/intel_display.c
>===================================================================
>--- linux-2.6.orig/drivers/gpu/drm/i915/intel_display.c	2009-12-28 13:42:18.000000000 +0800
>+++ linux-2.6/drivers/gpu/drm/i915/intel_display.c	2009-12-28 22:05:12.000000000 +0800
>@@ -3230,7 +3230,7 @@
> 		intel_crtc->lowfreq_avail = true;
> 		if (HAS_PIPE_CXSR(dev)) {
> 			DRM_DEBUG_KMS("enabling CxSR downclocking\n");
>-			pipeconf |= PIPECONF_CXSR_DOWNCLOCK;
>+			pipeconf &= ~PIPECONF_CXSR_DOWNCLOCK;
> 		}
> 	} else {
> 		I915_WRITE(fp_reg + 4, fp);
>@@ -3928,7 +3928,7 @@
> 	if (!dev_priv->lvds_downclock_avail)
> 		return;
> 
>-	if (!HAS_PIPE_CXSR(dev) && (dpll & DISPLAY_RATE_SELECT_FPA1)) {
>+	if ((dpll & DISPLAY_RATE_SELECT_FPA1)) {
> 		DRM_DEBUG_DRIVER("upclocking LVDS\n");
> 
> 		/* Unlock panel regs */
>@@ -3971,7 +3971,7 @@
> 	 * Since this is called by a timer, we should never get here in
> 	 * the manual case.
> 	 */
>-	if (!HAS_PIPE_CXSR(dev) && intel_crtc->lowfreq_avail) {
>+	if (intel_crtc->lowfreq_avail) {
> 		DRM_DEBUG_DRIVER("downclocking LVDS\n");
> 
> 		/* Unlock panel regs */

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Attachments on bug 25809: 32322 | 32323 | 32324 | 32328 | 32329 | 32538 | 32539

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