linux-stable.git/drivers/gpu/drm/amd/amdgpu, branch v4.4.20

drm/amdgpu: record error code when ring test failed

2016-09-07T06:32:42+00:00

commit 1f703e6679f373f5bba4efe7093aa82e91af4037 upstream.

Otherwise we may miss errors.

Signed-off-by: Chunming Zhou 
Reviewed-by: Christian König 
Reviewed-by: Alex Deucher 
Signed-off-by: Alex Deucher 
Signed-off-by: Greg Kroah-Hartman

drm/amd/amdgpu: sdma resume fail during S4 on CI

2016-09-07T06:32:42+00:00

commit 10ea9434065e56fe14287f89258ecf2fb684ed1a upstream.

SDMA could be fail in the thaw() and restore() processes, do software reset
if each SDMA engine is busy.

Signed-off-by: JimQu 
Reviewed-by: Alex Deucher 
Signed-off-by: Alex Deucher 
Signed-off-by: Greg Kroah-Hartman

drm/amdgpu: skip TV/CV in display parsing

2016-09-07T06:32:42+00:00

commit 611a1507fe8569ce1adab3abc982ea58ab559fb9 upstream.

No asics supported by amdgpu support analog TV.

Workaround for bug:
https://bugs.freedesktop.org/show_bug.cgi?id=97460

Reviewed-by: Christian König 
Signed-off-by: Alex Deucher 
Signed-off-by: Greg Kroah-Hartman

drm/amdgpu: avoid a possible array overflow

2016-09-07T06:32:42+00:00

commit e1718d97aa88ea44a6a8f50ff464253dd0dacf01 upstream.

When looking up the connector type make sure the index
is valid.  Avoids a later crash if we read past the end
of the array.

Workaround for bug:
https://bugs.freedesktop.org/show_bug.cgi?id=97460

Reviewed-by: Christian König 
Signed-off-by: Alex Deucher 
Signed-off-by: Greg Kroah-Hartman

drm/amdgpu: fix amdgpu_move_blit on 32bit systems

2016-09-07T06:32:42+00:00

commit 815d27a46f3119f74fe01fe10bf683aa5bc55597 upstream.

This bug seems to be present for a very long time.

Signed-off-by: Christian König 
Reviewed-by: Alex Deucher 
Signed-off-by: Alex Deucher 
Signed-off-by: Greg Kroah-Hartman

drm/amdgpu: Change GART offset to 64-bit

2016-09-07T06:32:42+00:00

commit cab0b8d50e9bbef62c04067072c953433a87a9ff upstream.

The GART aperture size can be bigger than 4GB. Therefore the offset
used in amdgpu_gart_bind and amdgpu_gart_unbind must be 64-bit.

Reviewed-by: Christian König 
Signed-off-by: Felix Kuehling 
Reviewed-by: Alex Deucher 
Signed-off-by: Alex Deucher 
Signed-off-by: Greg Kroah-Hartman

drm/amdgpu/gmc7: add missing mullins case

2016-08-20T16:09:22+00:00

commit 7f555c8e5a84b348c2b76f4ca78eae7222354c03 upstream.

Looks like this got missed when we ported the code from radeon.

Reviewed-by: Edward O'Callaghan 
Signed-off-by: Alex Deucher 
Signed-off-by: Greg Kroah-Hartman

drm/amdgpu: fix firmware info version checks

2016-08-20T16:09:22+00:00

commit a8a04c994d41a489eb0f2899893209e04e030153 upstream.

Some of the checks didn't handle frev 2 tables properly.
amdgpu doesn't support any tables pre-frev 2, so drop
the checks.

Signed-off-by: Alex Deucher 
Signed-off-by: Greg Kroah-Hartman

drm/amdgpu: Disable RPM helpers while reprobing connectors on resume

2016-08-20T16:09:22+00:00

commit 23a1a9e54e71593fe5657e883662995d181d2d6b upstream.

Just about all of amdgpu's connector probing functions try to acquire
runtime PM refs. If we try to do this in the context of
amdgpu_resume_kms by calling drm_helper_hpd_irq_event(), we end up
deadlocking the system.

Since we're guaranteed to be holding the spinlock for RPM in
amdgpu_resume_kms, and we already know the GPU is in working order, we
need to prevent the RPM helpers from trying to run during the initial
connector reprobe on resume.

There's a couple of solutions I've explored for fixing this, but this
one by far seems to be the simplest and most reliable (plus I'm pretty
sure that's what disable_depth is there for anyway).

Reproduction recipe:
  - Get any laptop dual GPUs using PRIME
  - Make sure runtime PM is enabled for amdgpu
  - Boot the machine
  - If the machine managed to boot without hanging, switch out of X to
    another VT. This should definitely cause X to hang infinitely.

Changes since v1:
  - add appropriate #ifdef checks for CONFIG_PM. This is not very
    useful, but it appears some kernel test suites test compiling amdgpu
    with CONFIG_PM disabled, which results in this patch breaking the builds
    if we don't include this #ifdef

Cc: Alex Deucher 
Reviewed-by: Alex Deucher 
Signed-off-by: Lyude 
Signed-off-by: Alex Deucher 
Signed-off-by: Greg Kroah-Hartman

drm/amdgpu: support backlight control for UNIPHY3

2016-08-20T16:09:22+00:00

commit dba6c4fa26ccf47661be5b68dba87e746fa137d8 upstream.

Same interface as other UNIPHY blocks

Signed-off-by: Alex Deucher 
Signed-off-by: Greg Kroah-Hartman