linux-stable.git/drivers/gpu/drm/amd, branch v4.2.6 Linux kernel stable tree drm/amdgpu: don't try to recreate sysfs entries on resume 2015-11-09T22:37:34+00:00 Alex Deucher alexander.deucher@amd.com 2015-10-23T14:45:14+00:00 e42f26b7fa7c34a3d049b13a784ace0ee868b465 commit c86f5ebfbd147d1a228ab89ee1658e18939bd7ad upstream. Fixes an error on resume caused by: fa022a9b65d2886486a022fd66b20c823cd76ad9 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit c86f5ebfbd147d1a228ab89ee1658e18939bd7ad upstream.

Fixes an error on resume caused by:
fa022a9b65d2886486a022fd66b20c823cd76ad9

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drm/amdgpu: add missing dpm check for KV dpm late init 2015-11-09T22:37:33+00:00 Alex Deucher alexander.deucher@amd.com 2015-10-19T19:54:21+00:00 bae606df3068a63d785a05542622a43156bdec5d commit 677c884ff6370add1360e2b9558285355ebe2b36 upstream. Skip dpm late init if dpm is disabled. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 677c884ff6370add1360e2b9558285355ebe2b36 upstream.

Skip dpm late init if dpm is disabled.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drm/amdgpu: Keep the pflip interrupts always enabled v7 2015-10-27T00:53:42+00:00 Michel Dänzer michel.daenzer@amd.com 2015-10-08T08:48:04+00:00 62fb74e9f7e25279e72a82571cbac9c7baf37958 commit f6c7aba47bcc0b1cc2085c8d8af80f8c02f28269 upstream. This fixes flickering issues caused by prematurely firing pflip interrupts. v2 (chk): add commit message, fix DCE V10/V11 and DM as well v3: Re-enable pflip interrupt wherever we re-enable a CRTC v4: Enable pflip interrupt in DAL as well v5: drop DAL changes for upstream v6: (agd): only enable interrupts on crtcs that exist v7: (agd): integrate suggestions from Michel Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit f6c7aba47bcc0b1cc2085c8d8af80f8c02f28269 upstream.

This fixes flickering issues caused by prematurely firing pflip
interrupts.

v2 (chk): add commit message, fix DCE V10/V11 and DM as well
v3: Re-enable pflip interrupt wherever we re-enable a CRTC
v4: Enable pflip interrupt in DAL as well
v5: drop DAL changes for upstream
v6: (agd): only enable interrupts on crtcs that exist
v7: (agd): integrate suggestions from Michel

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drm/amdgpu: check before checking pci bridge registers 2015-10-27T00:53:42+00:00 Alex Deucher alexander.deucher@amd.com 2015-10-06T13:38:45+00:00 b2e33f9e0ef4847f3d7c265f8adb478e7a74cb4c commit e79d5c0870eedce94e5f5a2ffab30511e48fa144 upstream. Make sure we are not the root device before attempting to read the pcie bridge registers to check the pcie gen speeed. Fixes a crash when the device is passed through to a VM. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit e79d5c0870eedce94e5f5a2ffab30511e48fa144 upstream.

Make sure we are not the root device before attempting to
read the pcie bridge registers to check the pcie gen speeed.

Fixes a crash when the device is passed through to a VM.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drm/amdgpu: fix num_crtc on CZ 2015-10-27T00:53:41+00:00 Alex Deucher alexander.deucher@amd.com 2015-10-05T14:15:14+00:00 421216eb5efd68d1c6bd3e4c969f71079bd9d0af commit 26d0c21db1fd1679fcf07863741c13ba5ce37a65 upstream. Hw only has 3 crtcs. copy paste typo. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 26d0c21db1fd1679fcf07863741c13ba5ce37a65 upstream.

Hw only has 3 crtcs.  copy paste typo.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drm/amdgpu: add pm sysfs files late 2015-10-27T00:53:41+00:00 Alex Deucher alexander.deucher@amd.com 2015-09-30T21:05:40+00:00 834223b58e16b974a194ddcd8a045441984f98fc commit fa022a9b65d2886486a022fd66b20c823cd76ad9 upstream. They were added relatively early in the driver init process which meant that in some cases the driver was not finished initializing before external tools tried to use them which could result in a crash depending on the timing. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit fa022a9b65d2886486a022fd66b20c823cd76ad9 upstream.

They were added relatively early in the driver init process
which meant that in some cases the driver was not finished
initializing before external tools tried to use them which
could result in a crash depending on the timing.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drm/amdgpu: Restore LCD backlight level on resume 2015-10-22T21:49:25+00:00 Alex Deucher alexander.deucher@amd.com 2015-09-29T17:53:30+00:00 6822c9c3f9c4f809e366108b9a13240e843fd7d1 commit 74b3112e95073b351e3b0b9799795bc76f8415fa upstream. Instead of only enabling the backlight (which seems to set it to max brightness), just re-set the current backlight level, which also takes care of enabling the backlight if necessary. Port of radeon commit: drm/radeon: Restore LCD backlight level on resume (>= R5xx) Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 74b3112e95073b351e3b0b9799795bc76f8415fa upstream.

Instead of only enabling the backlight (which seems to set it to max
brightness), just re-set the current backlight level, which also takes
care of enabling the backlight if necessary.

Port of radeon commit:
drm/radeon: Restore LCD backlight level on resume (>= R5xx)

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drm/amdgpu: Fix max_vblank_count value for current display engines 2015-10-22T21:49:25+00:00 Alex Deucher alexander.deucher@amd.com 2015-09-22T14:06:45+00:00 863a016a0c51f92e970a220296ed404c011b1e81 commit 5a6adfa20b622a273205e33b20c12332aa7eb724 upstream. The value was much too low, which could cause the userspace visible vblank counter to move backwards when the hardware counter wrapped around. Ported from radeon commit: b0b9bb4dd51f396dcf843831905f729e74b0c8c0 Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 5a6adfa20b622a273205e33b20c12332aa7eb724 upstream.

The value was much too low, which could cause the userspace visible
vblank counter to move backwards when the hardware counter wrapped
around.

Ported from radeon commit:
b0b9bb4dd51f396dcf843831905f729e74b0c8c0

Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drm/amdgpu: make UVD handle checking more strict 2015-10-22T21:49:25+00:00 Leo Liu leo.liu@amd.com 2015-09-15T14:38:38+00:00 885838eef785ff810dac945be8132856f2113cf1 commit 5146419e6feb99cfbc8dbf005dd2f62603e15efb upstream. Invalid messages can crash the hw otherwise Ported from radeon commit a1b403da70e038ca6c6c6fe434d1d873546873a3 Signed-off-by: Leo Liu <leo.liu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 5146419e6feb99cfbc8dbf005dd2f62603e15efb upstream.

Invalid messages can crash the hw otherwise

Ported from radeon commit a1b403da70e038ca6c6c6fe434d1d873546873a3

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drm/amdgpu: fix the UVD suspend sequence order 2015-10-22T21:49:25+00:00 Leo Liu leo.liu@amd.com 2015-09-11T18:22:18+00:00 7ba9a43d8286b1de7f283966d4aa0a319a68dc5a commit 2bd188d0167227932be3cf5b033c0e600b01291f upstream. Fixes suspend issues with UVD. Signed-off-by: Leo Liu <leo.liu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 2bd188d0167227932be3cf5b033c0e600b01291f upstream.

Fixes suspend issues with UVD.

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>