On Thu, 13 Jan 2011, Anca Emanuel wrote:
> On Thu, Jan 13, 2011 at 7:55 PM, James Simmons <jsimmons@xxxxxxxxxxxxx> wrote:
> >
> >> > > With your patch, I can boot the system. But nouveau is not loaded.
> >> > > dmesg attached.
> >> > >
> >> >
> >> > Forget to mention: the revert makes first steps of boot look the same
> >> > (change the resolution of the text)
> >> > but with your patch, I see a big ugly ununtu logo, (I think that is
> >> > because nouveau is not loaded)
> >
> > Okay, can you do one more experiment for me. Since you already reverted
> > the patch to get it booting I like to ask you to add
> >
> > drm_fb_helper_fill_fix(info, fb_helper->fb);
> >
> > back into the drm_fb_helper_set_par function in drm_fb_helper.c. You have
> > something like this:
> >
> > mutex_lock(&dev->mode_config.mutex);
> > for (i = 0; i < fb_helper->crtc_count; i++) {
> > crtc = fb_helper->crtc_info[i].mode_set.crtc;
> > ret = crtc->funcs->set_config(&fb_helper->crtc_info[i].mode_set);
> > if (ret) {
> > mutex_unlock(&dev->mode_config.mutex);
> > return ret;
> > }
> > drm_fb_helper_fill_fix(info, fb_helper->fb);
> > }
> > mutex_unlock(&dev->mode_config.mutex);
> >
> > Tell me if your system is still usable after that. Thanks for testing for
> > me.
> >
>
> after
>
> git revert dfe63bb0ad9810db13aab0058caba97866e0a681
>
> and
>
>
> diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
> index 5c4f9b9..2aad663 100644
> --- a/drivers/gpu/drm/drm_fb_helper.c
> +++ b/drivers/gpu/drm/drm_fb_helper.c
> @@ -816,6 +816,7 @@ int drm_fb_helper_set_par(struct fb_info *info)
> mutex_unlock(&dev->mode_config.mutex);
> return ret;
> }
> + drm_fb_helper_fill_fix(info, fb_helper->fb->pitch, fb_helper->fb
> }
> mutex_unlock(&dev->mode_config.mutex);
>
> I get an working system. ( the boot screen is not ok )
> Tested suspend/resume. Dmesg attached.
Just as I thought. Even this breaks the nouveau driver.
Could you now add also in the drm_fb_helper_fill_fix function
DRM_INFO("pitch %d, depth %d\n", fb_helper->fb->pitch,
fb_helper->fb->depth);
I have a feeling the values are not right. Thanks.
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