Hi,
On 09/18/2014 01:41 AM, Daniel Drake wrote:
> On Wed, Sep 17, 2014 at 7:45 AM, Daniel Vetter wrote:
>> I think fb refcounting in exynos is just plain busted. If you look at
>> other drivers the only place the refcount framebuffers or backing
>> storage objects is for pageflips to make sure th
On Wed, Sep 17, 2014 at 6:41 PM, Daniel Drake wrote:
> 2. drm_mode_rmfb then calls drm_framebuffer_remove, which calls
> drm_mode_set_config_internal() in order to turn off the CRTC, dropping
> another reference in the process.
> if (tmp->old_fb)
> drm_framebuffer_unreference(t
On Wed, Sep 17, 2014 at 6:41 PM, Daniel Drake wrote:
> However there is *another* fb reference taken in
> omap_plane_mode_set(). And my patch is modelled to do the same in
> exynos-drm.
This is because omapdrm does _everything_ asynchrously, even plain
modesets. Unfortunately that async modeset s
On Thu, Sep 18, 2014 at 12:39 AM, Daniel Vetter wrote:
> On Wed, Sep 17, 2014 at 6:41 PM, Daniel Drake wrote:
>> 2. drm_mode_rmfb then calls drm_framebuffer_remove, which calls
>> drm_mode_set_config_internal() in order to turn off the CRTC, dropping
>> another reference in the process.
>>
Hi,
On 09/17/2014 03:49 PM, Inki Dae wrote:
> On 2014? 09? 17? 15:35, Andrzej Hajda wrote:
>> Hi,
>>
>> On 09/16/2014 08:35 AM, Daniel Vetter wrote:
>>> On Mon, Sep 15, 2014 at 12:52:17PM -0600, Daniel Drake wrote:
Pageflipping currently causes some inconsistencies that lead to
crashes.
On 2014? 09? 17? 15:35, Andrzej Hajda wrote:
> Hi,
>
> On 09/16/2014 08:35 AM, Daniel Vetter wrote:
>> On Mon, Sep 15, 2014 at 12:52:17PM -0600, Daniel Drake wrote:
>>> Pageflipping currently causes some inconsistencies that lead to
>>> crashes. Just run an app that causes a CRTC pageflip in a raw
On Wed, Sep 17, 2014 at 2:19 PM, Daniel Drake wrote:
>> Chip specific drm driver internally doesn't have to care fb reference count
>> if
>> there is no special case. We should have switched to universal plane at that
>> time.
>
> To me it seems like the chip-specific DRM drivers do need to add a
On Wed, Sep 17, 2014 at 7:45 AM, Daniel Vetter wrote:
> I think fb refcounting in exynos is just plain busted. If you look at
> other drivers the only place the refcount framebuffers or backing
> storage objects is for pageflips to make sure the memory doesn't go
> away while the hw is still scann
Hi,
On 09/16/2014 08:35 AM, Daniel Vetter wrote:
> On Mon, Sep 15, 2014 at 12:52:17PM -0600, Daniel Drake wrote:
>> Pageflipping currently causes some inconsistencies that lead to
>> crashes. Just run an app that causes a CRTC pageflip in a raw X session
>> and check that it exits cleanly and can
On Wed, Sep 17, 2014 at 1:44 AM, Joonyoung Shim
wrote:
> It's problem to add this from commit 25c8b5c3048cb6c98d402ca8d4735ccf910f727c.
My patch moves that drm_framebuffer_reference() call to the plane
function which is called from crtc_mode_set context (and also called
in crtc pageflip path), s
On Mon, Sep 15, 2014 at 12:52:17PM -0600, Daniel Drake wrote:
> Pageflipping currently causes some inconsistencies that lead to
> crashes. Just run an app that causes a CRTC pageflip in a raw X session
> and check that it exits cleanly and can be restarted - you'll see
> crashes like:
> Unable to
Pageflipping currently causes some inconsistencies that lead to
crashes. Just run an app that causes a CRTC pageflip in a raw X session
and check that it exits cleanly and can be restarted - you'll see
crashes like:
Unable to handle kernel NULL pointer dereference at virtual address 0334
PC i
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