Attachment 13656 Details for Bug 14018 – patch to try

[patch] patch to try

fix-965-random-blank-screen.patch (text/plain), 1.05 KB, created by Hong Liu on 2008-01-10 19:15:24 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Hong Liu

Created: 2008-01-10 19:15:24 UTC

Size: 1.05 KB

patch

obsolete

>diff --git a/src/i830_crt.c b/src/i830_crt.c
>index 82a774a..bdae0ec 100644
>--- a/src/i830_crt.c
>+++ b/src/i830_crt.c
>@@ -391,6 +391,20 @@ i830_crt_destroy (xf86OutputPtr output)
> 	xfree (output->driver_private);
> }
> 
>+static void i830_crt_commit(xf86OutputPtr output)
>+{
>+    ScrnInfoPtr		    pScrn = output->scrn;
>+    I830Ptr		    pI830 = I830PTR(pScrn);
>+
>+    output->funcs->dpms (output, DPMSModeOn);
>+
>+    /* fix the random blank screen problem on 965 when starting X.
>+     * we don't know why reading this register fixed the problem,
>+     * but it works. */
>+    INREG8(0x3cc);
>+
>+}
>+
> static const xf86OutputFuncsRec i830_crt_output_funcs = {
>     .dpms = i830_crt_dpms,
>     .save = i830_crt_save,
>@@ -399,7 +413,7 @@ static const xf86OutputFuncsRec i830_crt_output_funcs = {
>     .mode_fixup = i830_crt_mode_fixup,
>     .prepare = i830_output_prepare,
>     .mode_set = i830_crt_mode_set,
>-    .commit = i830_output_commit,
>+    .commit = i830_crt_commit,
>     .detect = i830_crt_detect,
>     .get_modes = i830_ddc_get_modes,
>     .destroy = i830_crt_destroy

Actions: View | Splinter Review

Attachments on bug 14018: 13656

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.