Am Donnerstag, den 17.02.2011, 13:09 -0800 schrieb Jesse Barnes:
> On Thu, 17 Feb 2011 21:54:23 +0100
> Alexey Fisher <bug-tr...@fisher-privat.net> wrote:
>
> > Am Donnerstag, den 17.02.2011, 10:32 -0800 schrieb Jesse Barnes:
> > > On Thu, 17 Feb 2011 08:26:20 +0100
> > > Alexey Fisher <bug-tr...@fisher-privat.net> wrote:
> > >
> > > > Am Mittwoch, den 16.02.2011, 10:57 -0800 schrieb Jesse Barnes:
> > > > > On Sat, 12 Feb 2011 22:02:36 +0100
> > > > > Alexey Fisher <bug-tr...@fisher-privat.net> wrote:
> > > > >
> > > > > > In attachment are reg_dumps.
> > > > > >
> > > > > > intel_1 - is gdm login screen, every thing is ok
> > > > > > intel_2 - is after login, noise
> > > > > > intel_3 - is after mouse pointer was placed to the upper left
> > > > > > corner,
> > > > > > image is ok again.
> > > > > >
> > > > > > Am Samstag, den 12.02.2011, 18:09 +0000 schrieb Chris Wilson:
> > > > > > >
> > > > > > > On Sat, 12 Feb 2011 15:16:16 +0100, Alexey Fisher
> > > > > > > <bug-tr...@fisher-privat.net> wrote:
> > > > > > > > Video is in attachment.
> > > > > > > >
> > > > > > > > If mouse pointer is on the left top corner i get still image ..
> > > > > > > > if
> > > > > > > not -
> > > > > > > > noise.
> > > > > > >
> > > > > > > I think intel_reg_dumper before/after will be the best guide as to
> > > > > > > where
> > > > > > > the mistake crept in.
> > > > > > > -Chris
> > > > >
> > > > > Also, seeing the kernel messages from a clean boot after setting
> > > > > drm.debug=4 would help; they'll tell us what FIFO watermarks we used
> > > > > and might help me track down the flicker.
> > > >
> > > > the bad files are from version 2.6.38-rc2-00090-g9db4a9c
> > > > the good are 2.6.38-rc2-00079-g4a1dc3f
> > >
> > > Hm watermarks actually look good, but the cursor b control reg is
> > > different for some reason.
> > >
> > > Oops, I see a problem. Does this patch help?
> >
> > Yes, it is working!
> >
> > Thank you.
>
> Can you try the other patch I posted as well and reply with your
> tested-by if it still works (it should!)?
>
> Thanks,
I got only one patch:
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_d
index 0dc5c6f..7bab2ef 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5291,7 +5291,7 @@ static void i9xx_update_cursor(struct drm_crtc
*crtc, u32
bool visible = base != 0;
if (intel_crtc->cursor_visible != visible) {
- uint32_t cntl = CURCNTR(pipe);
+ uint32_t cntl = I915_READ(CURCNTR(pipe));
if (base) {
cntl &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT);
cntl |= CURSOR_MODE_64_ARGB_AX |
MCURSOR_GAMMA_ENABLE;
if you have one more, please send it again.
--
Regards,
Alexey
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