Commits · 070bb97db4024467576a9cc47b6a8b421fd896ca · Kirill Smelkov / linux

06 Apr, 2016 40 commits

drm/amdgpu: Prepare DKMS build for powerplay module. · 070bb97d

Qiang Yu authored Dec 02, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572Signed-off-by: Qiang Yu <Qiang.Yu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
(cherry picked from commit bd90dd89)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

070bb97d

drm/amd/amdgpu: enable uvd&vce clock gating for Fiji. · 7214c058

Eric Huang authored Nov 24, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
(cherry picked from commit 0bbb8176)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

7214c058

drm/amd/amdgpu: add vce3.0 clock gating support. (v2) · 35f9e2c2

Eric Huang authored Nov 23, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

v2: fix grbm locking
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
(cherry picked from commit 0689a570)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

35f9e2c2

drm/amd/amdgpu: add uvd6.0 clock gating support. (v2) · b1d2d5e8

Eric Huang authored Nov 23, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

v2: fix bug in register mask setting.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
(cherry picked from commit 9b08a306)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

b1d2d5e8

drm/amd/powerplay: add multimedia power gating support for Fiji. · b8ca7c77

Eric Huang authored Nov 20, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572Acked-by: Jammy Zhou <Jammy.Zhou@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
(cherry picked from commit 91c4c981)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

b8ca7c77

drm/amdgpu: rename fiji_smumgr.h to fiji_smum.h · 9a4adc16

Jammy Zhou authored Oct 21, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

This conflicts with fiji_smumgr.h from powerplay
in DKMS environment
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Jordan Lazare <Jordan.Lazare@amd.com>
(cherry picked from commit b57fd566)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

9a4adc16

drm/amdgpu: rename tonga_smumgr.h to tonga_smum.h · 1e0c7594

Jammy Zhou authored Oct 21, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

This conflicts with the tonga_smumgr.h from powerplay
in DKMS environement
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Jordan Lazare <Jordan.Lazare@amd.com>
(cherry picked from commit dbd29f0d)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

1e0c7594

drm/amd/powerplay: Add PPLib debug print macro. · 41824f7c

David Rokhvarg authored Nov 19, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

- The macro is silent by default.
- Use the macro to print Display Configuration - related changes.
Signed-off-by: David Rokhvarg <David.Rokhvarg@amd.com>
(cherry picked from commit 6bd48d24)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

41824f7c

drm/amd/powerplay: enable/disable NB pstate feature for Carrizo. · 3a1e9ec1

Rex Zhu authored Nov 19, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: David Rokhvarg <David.Rokhvarg@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
(cherry picked from commit 0f8b106e)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

3a1e9ec1

drm/amd/powerplay: enable set_cpu_power_state task. (v2) · b638a65b

Rex Zhu authored Nov 19, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

v2: integrate Jammy's crash fix
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
(cherry picked from commit 73afe621)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

b638a65b

drm/amd/powerplay: export interface to DAL to init/change display configuration. · 905d6d90

Rex Zhu authored Nov 19, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: David Rokhvarg <David.Rokhvarg@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
(cherry picked from commit 7fb72a1f)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

905d6d90

drm/amd/powerplay: add smc msg for NB P-State switch · b364ea5e

Rex Zhu authored Nov 19, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: David Rokhvarg <David.Rokhvarg@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
(cherry picked from commit aceae1bf)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

b364ea5e

drm/amd/powerplay: add new function point in hwmgr. · f7c18725

Rex Zhu authored Nov 19, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

1. for set_cpu_power_state
2. restore display configuration
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
(cherry picked from commit 73c9f222)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

f7c18725

drm/amd/powerplay: fix warning of cast to pointer from integer of different size. · 3334b07f

Rex Zhu authored Nov 16, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit c9fe74e6)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

3334b07f

drm/amd/powerplay: fix warning of cast to pointer from integer of different size. · 18332133

rezhu authored Nov 12, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 09b7a986)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

18332133

drm/amd/powerplay: implement smc state upload for CZ · 214e15a3

Alex Deucher authored Nov 13, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 9c0bad90)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

214e15a3

drm/amd/powerplay: add atomctrl function to calculate CZ sclk dividers · de261ce6

Alex Deucher authored Nov 13, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

Use atombios to calculate the values.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit d39d5c2c)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

de261ce6

drm/amd/powerplay: enable clock gating for Fiji. · 2aec56f8

Eric Huang authored Nov 12, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
(cherry picked from commit 92b05d82)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

2aec56f8

drm/amd/powerplay: add parts of system clock gating support for Fiji. (v2) · fc17da05

Eric Huang authored Nov 12, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

Removed fiji_mgcg_cgcg_init that is affected and redundant for new implementation.

v2: re-add mgcg_cgcg init
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
(cherry picked from commit 6cec2655)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

fc17da05

drm/amdgpu: add sdma clock gating support for Fiji. · 3839acd5

Eric Huang authored Nov 11, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
(cherry picked from commit 3c997d24)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

3839acd5

drm/amd/amdgpu: add gmc clock gating support for Fiji. · 9838ffe2

Eric Huang authored Nov 10, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
(cherry picked from commit a0d69786)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

9838ffe2

drm/amd/amdgpu: add gfx clock gating support for Fiji. · 60a8ae23

Eric Huang authored Nov 10, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
(cherry picked from commit 6e378858)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

60a8ae23

drm/amd/powerplay/tonga: Add UVD DPM init · c262448a

Alex Deucher authored Nov 13, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

Load the UVD DPM state into the SMC.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 0104aa21)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

c262448a

drm/amd/powerplay: fix boolreturn.cocci warnings · dc52a4f0

kbuild test robot authored Nov 12, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/tonga_hwmgr.c:2653:9-10: WARNING: return of 0/1 in function 'is_pcie_gen2_supported' with return type bool
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/tonga_hwmgr.c:2645:9-10: WARNING: return of 0/1 in function 'is_pcie_gen3_supported' with return type bool

 Return statements in functions returning bool should use
 true/false instead of 1/0.
Generated by: scripts/coccinelle/misc/boolreturn.cocci

CC: yanyang1 <young.yang@amd.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 62a03f6d)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

dc52a4f0

drm/amdgpu/powerplay/fiji: query supported pcie info from cgs (v2) · c5f36d96

Alex Deucher authored Nov 11, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

Rather than hardcode it.

v2: integrate spc fix from Rex
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 464cea3e)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

c5f36d96

drm/amdgpu/powerplay/tonga: query supported pcie info from cgs (v2) · 9355e0a0

Alex Deucher authored Nov 11, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

Rather than hardcode it.

v2: integrate spc fix from Rex
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 834b694c)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

9355e0a0

drm/amdgpu/cgs: add sys info query for pcie gen and link width · bba6f740

Alex Deucher authored Nov 11, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

Needed by powerplay to properly handle pcie dpm switching.
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit cfd316d5)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

bba6f740

drm/amdgpu: store pcie gen mask and link width · c82de13a

Alex Deucher authored Nov 11, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

We'll need this later for pcie dpm.
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit d0dd7f0c)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

c82de13a

drm: add drm_pcie_get_max_link_width helper (v2) · d9ac2848

Alex Deucher authored Nov 11, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

Add a helper to get the max link width of the port.
Similar to the helper to get the max link speed.

v2: fix typo in commit message
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 60d8edd4)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

d9ac2848

drm/amdgpu: extract pcie helpers to common header · 226d90ac

Alex Deucher authored Nov 11, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

These will be used by multiple powerplay drivers and
other IP modules.
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 16881da6)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

226d90ac

drm/amd/powerplay/fiji: enable pcie and mclk forcing for low · f88b88f5

Alex Deucher authored Nov 11, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

When forcing the lowest state also force mclk and pcie.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 74c577b0)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

f88b88f5

drm/amd/powerplay/tonga: enable pcie and mclk forcing for low · befec97b

Alex Deucher authored Nov 11, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

When forcing the lowest state also force mclk and pcie.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 9fe1837d)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

befec97b

drm/amd/powerplay: refine the logic of whether need to update power state. · eec5a798

Rex Zhu authored Nov 04, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

Better handle power state changes.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
(cherry picked from commit f4caf3e5)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

eec5a798

drm/amd/powerplay: implement new funcs to check current states for tonga. · 31499ec4

Rex Zhu authored Nov 04, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

Implement the new callbacks for tonga.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
(cherry picked from commit e829ecdb)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

31499ec4

drm/amd/powerplay: add and export hwmgr interface to eventmgr to check hw states. · 4f0b26b6

Rex Zhu authored Nov 04, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

Interface between hwmgr and eventmgr.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
(cherry picked from commit 09b4c872)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

4f0b26b6

drm/amdgpu: support per device powerplay enablement (v2) · 7f7fdde4

Jammy Zhou authored Nov 10, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

The amdgu_powerplay variable is global for multiple GPU instances.

v2: fold in Flora's module option change, protect adev reference in
macros
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
(cherry picked from commit e61710c5)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

7f7fdde4

drm/amdgpu: enable sysfs interface for powerplay · 089d5d93

Rex Zhu authored Nov 10, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

Same interface exposed in pre-powerplay dpm code.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 8804b8d5)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

089d5d93

drm/amdgpu: export fan control functions to amdgpu · 67e4f4cf

Rex Zhu authored Oct 15, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

Hook up the amdgpu thermal control callbacks for powerplay.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 3af76f23)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

67e4f4cf

drm/amdgpu/powerplay: implement fan control interface in amd_powerplay_funcs · dce70f58

Rex Zhu authored Oct 16, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

This adds the interface needed to expose powerplay fan control to sysfs
via hwmon.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit cac9a199)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

dce70f58

drm/amdgpu/powerplay: implement thermal control for tonga. · 27ace32c

Rex Zhu authored Oct 20, 2015

BugLink: http://bugs.launchpad.net/bugs/1546572

Implement thermal and fan control for tonga.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 1e4854e9)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

27ace32c