platform/kernel/linux-rpi.git
8 years agodrm/amd/powerplay: show gpu load when print gpu performance for Cz. (v2)
Rex Zhu [Thu, 17 Dec 2015 09:20:04 +0000 (17:20 +0800)]
drm/amd/powerplay: show gpu load when print gpu performance for Cz. (v2)

Show GPU load in in the debugfs output.

v2: integrate Tom's optimization

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
8 years agodrm/amd/powerplay: check whether need to enable thermal control. (v2)
Rex Zhu [Thu, 17 Dec 2015 06:20:06 +0000 (14:20 +0800)]
drm/amd/powerplay: check whether need to enable thermal control. (v2)

In I+A platform(skylake), it is controlled by intel.

v2: integrate Tom's fix

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
8 years agodrm/amd/powerplay: add point check to avoid NULL point hang.
Rex Zhu [Fri, 11 Dec 2015 07:21:33 +0000 (15:21 +0800)]
drm/amd/powerplay: add point check to avoid NULL point hang.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amdgpu/powerplay: Program a calculated value as Deep Sleep clock.
David Rokhvarg [Fri, 11 Dec 2015 17:06:25 +0000 (12:06 -0500)]
drm/amdgpu/powerplay: Program a calculated value as Deep Sleep clock.

This replaces programming of a hardcoded value.

Signed-off-by: David Rokhvarg <David.Rokhvarg@amd.com>
8 years agodrm/amd/powerplay: Don't return an error if fan table is missing
Alex Deucher [Mon, 14 Dec 2015 15:46:52 +0000 (10:46 -0500)]
drm/amd/powerplay: Don't return an error if fan table is missing

It's a valid configuration on some laptops.

Reviewed-by: Tom St Denis <tom.stdenis@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/powerplay/hwmgr: log errors in tonga_hwmgr_backend_init
Alex Deucher [Fri, 11 Dec 2015 17:39:01 +0000 (12:39 -0500)]
drm/powerplay/hwmgr: log errors in tonga_hwmgr_backend_init

Helpful in debugging init issues.

Reviewed-by: Tom St Denis <tom.stdenis@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/powerplay: add debugging output to processpptables.c
Alex Deucher [Fri, 11 Dec 2015 17:32:55 +0000 (12:32 -0500)]
drm/powerplay: add debugging output to processpptables.c

To help track down init errors.

Reviewed-by: Tom St Denis <tom.stdenis@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/powerplay: add debugging output to tonga_processpptables.c
Alex Deucher [Fri, 11 Dec 2015 17:12:32 +0000 (12:12 -0500)]
drm/powerplay: add debugging output to tonga_processpptables.c

To help track down init errors.

Reviewed-by: Tom St Denis <tom.stdenis@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
8 years agoamd/powerplay: Add structures required to report configuration change
Eric Yang [Tue, 1 Dec 2015 18:23:07 +0000 (13:23 -0500)]
amd/powerplay: Add structures required to report configuration change

Add required structures for amd_powerplay_display_configuration_change

Signed-off-by: Eric Yang <eric.yang2@amd.com>
8 years agoamd/powerplay: Fix get dal power level
Vitaly Prosyak [Thu, 3 Dec 2015 15:27:57 +0000 (10:27 -0500)]
amd/powerplay: Fix get dal power level

Simplify data struct for get dal power level

Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
8 years agoamd\powerplay Implement get dal power level
Vitaly Prosyak [Mon, 30 Nov 2015 21:39:53 +0000 (16:39 -0500)]
amd\powerplay Implement get dal power level

Implement get dal power level and simple clock info

Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
8 years agodrm/amd/powerplay: display gpu load when print performance for tonga.
Rex Zhu [Tue, 8 Dec 2015 06:31:13 +0000 (14:31 +0800)]
drm/amd/powerplay: display gpu load when print performance for tonga.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
8 years agodrm/amdgpu/powerplay: enable sysfs and debugfs interfaces late
Alex Deucher [Tue, 8 Dec 2015 22:28:28 +0000 (17:28 -0500)]
drm/amdgpu/powerplay: enable sysfs and debugfs interfaces late

To avoid users accessing them before the module has finished
initializing them and make sure they are only created if
dpm has properly initialized.

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>
8 years agodrm/amd/powerplay: move shared function of vi to hwmgr. (v2)
Rex Zhu [Thu, 3 Dec 2015 06:16:01 +0000 (14:16 +0800)]
drm/amd/powerplay: move shared function of vi to hwmgr. (v2)

v2: agd: rebase on upstream

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
8 years agodrm/amd/powerplay: check whether enable dpm in powerplay.
Rex Zhu [Mon, 23 Nov 2015 06:50:10 +0000 (14:50 +0800)]
drm/amd/powerplay: check whether enable dpm in powerplay.

Change-Id: I0a2dbf8ef7d4a3e9788fe211fc5964dd2487c519
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
8 years agodrm/amd/powerplay: fix bug that dpm funcs in debugfs/sysfs missing.
Rex Zhu [Mon, 7 Dec 2015 08:42:35 +0000 (16:42 +0800)]
drm/amd/powerplay: fix bug that dpm funcs in debugfs/sysfs missing.

in dpm module, sysfs init func move to late_init from sw_init.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Change-Id: Ice4a73212d8e3106d05f04a27043820ffd32929e
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
8 years agodrm/amd/powerplay: fix boolreturn.cocci warnings
kbuild test robot [Sat, 5 Dec 2015 00:13:27 +0000 (19:13 -0500)]
drm/amd/powerplay: fix boolreturn.cocci warnings

drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/ppatomctrl.c:475:10-11: WARNING: return of 0/1 in function 'atomctrl_lookup_gpio_pin' 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>
8 years agodrm/amd/powerplay: add functions set/get_fan_control_mode in hwmgr for Fiji.
Eric Huang [Fri, 4 Dec 2015 20:49:02 +0000 (15:49 -0500)]
drm/amd/powerplay: add functions set/get_fan_control_mode in hwmgr for Fiji.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
8 years agodrm/amd/powerplay: add functions set/get_fan_control_mode in hwmgr for Tonga.
Eric Huang [Fri, 4 Dec 2015 15:57:22 +0000 (10:57 -0500)]
drm/amd/powerplay: add functions set/get_fan_control_mode in hwmgr for Tonga.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
8 years agodrm/amd/powerplay: Fix a bug in fan control setting default mode for Tonga and Fiji.
Eric Huang [Thu, 3 Dec 2015 20:13:46 +0000 (15:13 -0500)]
drm/amd/powerplay: Fix a bug in fan control setting default mode for Tonga and Fiji.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
8 years agodrm/amd/powerplay: Add thermal protection support for Fiji.
Eric Huang [Fri, 27 Nov 2015 19:09:53 +0000 (14:09 -0500)]
drm/amd/powerplay: Add thermal protection support for Fiji.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
8 years agodrm/amd/powerplay: add display configeration changed function in hwmgr for Fiji.
Eric Huang [Tue, 24 Nov 2015 22:00:56 +0000 (17:00 -0500)]
drm/amd/powerplay: add display configeration changed function in hwmgr for Fiji.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
8 years agodrm/amdgpu: Prepare DKMS build for powerplay module.
Qiang Yu [Wed, 2 Dec 2015 02:56:57 +0000 (10:56 +0800)]
drm/amdgpu: Prepare DKMS build for powerplay module.

Signed-off-by: Qiang Yu <Qiang.Yu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
8 years agodrm/amd/amdgpu: enable uvd&vce clock gating for Fiji.
Eric Huang [Tue, 24 Nov 2015 15:53:27 +0000 (10:53 -0500)]
drm/amd/amdgpu: enable uvd&vce clock gating for Fiji.

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>
8 years agodrm/amd/amdgpu: add vce3.0 clock gating support. (v2)
Eric Huang [Mon, 23 Nov 2015 21:57:53 +0000 (16:57 -0500)]
drm/amd/amdgpu: add vce3.0 clock gating support. (v2)

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>
8 years agodrm/amd/amdgpu: add uvd6.0 clock gating support. (v2)
Eric Huang [Mon, 23 Nov 2015 16:20:36 +0000 (11:20 -0500)]
drm/amd/amdgpu: add uvd6.0 clock gating support. (v2)

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>
8 years agodrm/amd/powerplay: add multimedia power gating support for Fiji.
Eric Huang [Fri, 20 Nov 2015 20:58:11 +0000 (15:58 -0500)]
drm/amd/powerplay: add multimedia power gating support for Fiji.

Acked-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>
8 years agodrm/amdgpu: rename fiji_smumgr.h to fiji_smum.h
Jammy Zhou [Wed, 21 Oct 2015 09:18:10 +0000 (17:18 +0800)]
drm/amdgpu: rename fiji_smumgr.h to fiji_smum.h

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>
8 years agodrm/amdgpu: rename tonga_smumgr.h to tonga_smum.h
Jammy Zhou [Wed, 21 Oct 2015 09:15:45 +0000 (17:15 +0800)]
drm/amdgpu: rename tonga_smumgr.h to tonga_smum.h

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>
8 years agodrm/amd/powerplay: Add PPLib debug print macro.
David Rokhvarg [Thu, 19 Nov 2015 19:45:39 +0000 (14:45 -0500)]
drm/amd/powerplay: Add PPLib debug print macro.

- The macro is silent by default.
- Use the macro to print Display Configuration - related changes.

Signed-off-by: David Rokhvarg <David.Rokhvarg@amd.com>
8 years agodrm/amd/powerplay: enable/disable NB pstate feature for Carrizo.
Rex Zhu [Thu, 19 Nov 2015 05:48:14 +0000 (13:48 +0800)]
drm/amd/powerplay: enable/disable NB pstate feature for Carrizo.

Signed-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>
8 years agodrm/amd/powerplay: enable set_cpu_power_state task. (v2)
Rex Zhu [Thu, 19 Nov 2015 05:47:02 +0000 (13:47 +0800)]
drm/amd/powerplay: enable set_cpu_power_state task. (v2)

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>
8 years agodrm/amd/powerplay: export interface to DAL to init/change display configuration.
Rex Zhu [Thu, 19 Nov 2015 05:35:30 +0000 (13:35 +0800)]
drm/amd/powerplay: export interface to DAL to init/change display configuration.

Signed-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>
8 years agodrm/amd/powerplay: add smc msg for NB P-State switch
Rex Zhu [Thu, 19 Nov 2015 05:47:36 +0000 (13:47 +0800)]
drm/amd/powerplay: add smc msg for NB P-State switch

Signed-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>
8 years agodrm/amd/powerplay: add new function point in hwmgr.
Rex Zhu [Thu, 19 Nov 2015 05:46:01 +0000 (13:46 +0800)]
drm/amd/powerplay: add new function point in hwmgr.

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>
8 years agoamdgpu/powerplay: Add Stoney to list of early init cases
Tom St Denis [Fri, 20 Nov 2015 18:33:44 +0000 (13:33 -0500)]
amdgpu/powerplay:  Add Stoney to list of early init cases

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amd/powerplay: fix warning of cast to pointer from integer of different size.
Rex Zhu [Mon, 16 Nov 2015 03:24:35 +0000 (11:24 +0800)]
drm/amd/powerplay: fix warning of cast to pointer from integer of different size.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amd/powerplay: fix warning of cast to pointer from integer of different size.
rezhu [Thu, 12 Nov 2015 08:40:50 +0000 (16:40 +0800)]
drm/amd/powerplay: fix warning of cast to pointer from integer of different size.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amd/powerplay: implement smc state upload for CZ
Alex Deucher [Sat, 14 Nov 2015 04:51:40 +0000 (23:51 -0500)]
drm/amd/powerplay: implement smc state upload for CZ

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amd/powerplay: add atomctrl function to calculate CZ sclk dividers
Alex Deucher [Sat, 14 Nov 2015 03:00:01 +0000 (22:00 -0500)]
drm/amd/powerplay: add atomctrl function to calculate CZ sclk dividers

Use atombios to calculate the values.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amd/powerplay: enable clock gating for Fiji.
Eric Huang [Thu, 12 Nov 2015 22:30:52 +0000 (17:30 -0500)]
drm/amd/powerplay: enable clock gating for Fiji.

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>
8 years agodrm/amd/powerplay: add parts of system clock gating support for Fiji. (v2)
Eric Huang [Thu, 12 Nov 2015 21:59:47 +0000 (16:59 -0500)]
drm/amd/powerplay: add parts of system clock gating support for Fiji. (v2)

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>
8 years agodrm/amdgpu: add sdma clock gating support for Fiji.
Eric Huang [Wed, 11 Nov 2015 16:49:11 +0000 (11:49 -0500)]
drm/amdgpu: add sdma clock gating support for Fiji.

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>
8 years agodrm/amd/amdgpu: add gmc clock gating support for Fiji.
Eric Huang [Tue, 10 Nov 2015 16:27:39 +0000 (11:27 -0500)]
drm/amd/amdgpu: add gmc clock gating support for Fiji.

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>
8 years agodrm/amd/amdgpu: add gfx clock gating support for Fiji.
Eric Huang [Tue, 10 Nov 2015 15:50:25 +0000 (10:50 -0500)]
drm/amd/amdgpu: add gfx clock gating support for Fiji.

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>
8 years agodrm/amd/powerplay/tonga: Add UVD DPM init
Alex Deucher [Fri, 13 Nov 2015 15:46:30 +0000 (10:46 -0500)]
drm/amd/powerplay/tonga: Add UVD DPM init

Load the UVD DPM state into the SMC.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amd/powerplay: fix boolreturn.cocci warnings
kbuild test robot [Thu, 12 Nov 2015 17:58:34 +0000 (12:58 -0500)]
drm/amd/powerplay: fix boolreturn.cocci warnings

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>
8 years agodrm/amdgpu/powerplay/fiji: query supported pcie info from cgs (v2)
Alex Deucher [Thu, 12 Nov 2015 02:02:16 +0000 (21:02 -0500)]
drm/amdgpu/powerplay/fiji: query supported pcie info from cgs (v2)

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>
8 years agodrm/amdgpu/powerplay/tonga: query supported pcie info from cgs (v2)
Alex Deucher [Thu, 12 Nov 2015 01:58:55 +0000 (20:58 -0500)]
drm/amdgpu/powerplay/tonga: query supported pcie info from cgs (v2)

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>
8 years agodrm/amdgpu/cgs: add sys info query for pcie gen and link width
Alex Deucher [Thu, 12 Nov 2015 01:35:32 +0000 (20:35 -0500)]
drm/amdgpu/cgs: add sys info query for pcie gen and link width

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>
8 years agodrm/amdgpu: store pcie gen mask and link width
Alex Deucher [Thu, 12 Nov 2015 00:45:06 +0000 (19:45 -0500)]
drm/amdgpu: store pcie gen mask and link width

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>
8 years agodrm: add drm_pcie_get_max_link_width helper (v2)
Alex Deucher [Thu, 12 Nov 2015 04:14:39 +0000 (23:14 -0500)]
drm: add drm_pcie_get_max_link_width helper (v2)

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>
8 years agodrm/amdgpu: extract pcie helpers to common header
Alex Deucher [Thu, 12 Nov 2015 01:18:52 +0000 (20:18 -0500)]
drm/amdgpu: extract pcie helpers to common header

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>
8 years agodrm/amd/powerplay/fiji: enable pcie and mclk forcing for low
Alex Deucher [Wed, 11 Nov 2015 05:31:00 +0000 (00:31 -0500)]
drm/amd/powerplay/fiji: enable pcie and mclk forcing for low

When forcing the lowest state also force mclk and pcie.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amd/powerplay/tonga: enable pcie and mclk forcing for low
Alex Deucher [Wed, 11 Nov 2015 05:23:57 +0000 (00:23 -0500)]
drm/amd/powerplay/tonga: enable pcie and mclk forcing for low

When forcing the lowest state also force mclk and pcie.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amd/powerplay: refine the logic of whether need to update power state.
Rex Zhu [Wed, 4 Nov 2015 06:56:56 +0000 (14:56 +0800)]
drm/amd/powerplay: refine the logic of whether need to update power state.

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>
8 years agodrm/amd/powerplay: implement new funcs to check current states for tonga.
Rex Zhu [Wed, 4 Nov 2015 03:21:35 +0000 (11:21 +0800)]
drm/amd/powerplay: implement new funcs to check current states for tonga.

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>
8 years agodrm/amd/powerplay: add and export hwmgr interface to eventmgr to check hw states.
Rex Zhu [Wed, 4 Nov 2015 03:07:34 +0000 (11:07 +0800)]
drm/amd/powerplay: add and export hwmgr interface to eventmgr to check hw states.

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>
8 years agodrm/amdgpu: support per device powerplay enablement (v2)
Jammy Zhou [Tue, 10 Nov 2015 23:31:08 +0000 (18:31 -0500)]
drm/amdgpu: support per device powerplay enablement (v2)

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>
8 years agodrm/amdgpu: enable sysfs interface for powerplay
Rex Zhu [Tue, 10 Nov 2015 23:29:11 +0000 (18:29 -0500)]
drm/amdgpu: enable sysfs interface for powerplay

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>
8 years agodrm/amdgpu: export fan control functions to amdgpu
Rex Zhu [Thu, 15 Oct 2015 09:23:43 +0000 (17:23 +0800)]
drm/amdgpu: export fan control functions to amdgpu

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>
8 years agodrm/amdgpu/powerplay: implement fan control interface in amd_powerplay_funcs
Rex Zhu [Fri, 16 Oct 2015 03:48:21 +0000 (11:48 +0800)]
drm/amdgpu/powerplay: implement fan control interface in amd_powerplay_funcs

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>
8 years agodrm/amdgpu/powerplay: implement thermal control for tonga.
Rex Zhu [Tue, 20 Oct 2015 10:06:23 +0000 (18:06 +0800)]
drm/amdgpu/powerplay: implement thermal control for tonga.

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>
8 years agodrm/amdgpu/powerplay: enable thermal interrupt task in eventmgr.
Rex Zhu [Fri, 16 Oct 2015 12:32:36 +0000 (20:32 +0800)]
drm/amdgpu/powerplay: enable thermal interrupt task in eventmgr.

Add thermal handling to the event manager.

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>
8 years agodrm/amdgpu/powerplay: add thermal control interface in hwmgr.
Rex Zhu [Wed, 21 Oct 2015 02:34:22 +0000 (10:34 +0800)]
drm/amdgpu/powerplay: add thermal control interface in hwmgr.

Thermal controller interface.

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>
8 years agodrm/amdgpu/powerplay: mv ppinterrupt.h to inc folder to share with other submodule.
Rex Zhu [Wed, 21 Oct 2015 02:30:02 +0000 (10:30 +0800)]
drm/amdgpu/powerplay: mv ppinterrupt.h to inc folder to share with other submodule.

Redefine interrupt callback function in accordance with cgs.

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>
8 years agodrm/amdgpu/powerplay: add new function point in hwmgr_funcs for thermal control
Rex Zhu [Fri, 16 Oct 2015 03:46:51 +0000 (11:46 +0800)]
drm/amdgpu/powerplay: add new function point in hwmgr_funcs for thermal control

Add the interface for fan and thermal control.

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>
8 years agodrm/amd/powerplay: Add CG and PG support for tonga
Rex Zhu [Thu, 15 Oct 2015 13:12:58 +0000 (21:12 +0800)]
drm/amd/powerplay: Add CG and PG support for tonga

Implement clock and power gating support for tonga.  On Tonga
this is handles by the SMU rather than direct register settings
in the driver.

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>
8 years agodrm/amd/powerplay: add new function point in hwmgr_func for CG/PG.
Rex Zhu [Wed, 30 Sep 2015 05:28:49 +0000 (13:28 +0800)]
drm/amd/powerplay: add new function point in hwmgr_func for CG/PG.

Add callbacks interface for clock and powergating.

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>
8 years agodrm/amdgpu/powerplay: add some definition for other ip block to update cg pg.
Rex Zhu [Fri, 9 Oct 2015 10:43:28 +0000 (18:43 +0800)]
drm/amdgpu/powerplay: add some definition for other ip block to update cg pg.

Interface for clock and power gating handling.

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>
8 years agodrm/amdgpu: enable powerplay module by default for fiji.
Rex Zhu [Tue, 20 Oct 2015 03:05:45 +0000 (11:05 +0800)]
drm/amdgpu: enable powerplay module by default for fiji.

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>
8 years agodrm/amdgpu: enable powerplay module by default for tonga.
Rex Zhu [Sat, 17 Oct 2015 09:57:58 +0000 (17:57 +0800)]
drm/amdgpu: enable powerplay module by default 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>
8 years agodrm/amdgpu/powerplay: program display gap for tonga.
Rex Zhu [Fri, 16 Oct 2015 07:02:04 +0000 (15:02 +0800)]
drm/amdgpu/powerplay: program display gap for tonga.

Implement displaygap programming for tonga.  This is
required for properly mclk switching.

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>
8 years agodrm/amdgpu/powerplay: implement pem_task for display_configuration_change
Rex Zhu [Fri, 16 Oct 2015 06:59:17 +0000 (14:59 +0800)]
drm/amdgpu/powerplay: implement pem_task for display_configuration_change

Add support for display configuration changes to the event manager.

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>
8 years agodrm/amdgpu/poweprlay: export program display gap function to eventmgr
Rex Zhu [Fri, 16 Oct 2015 06:55:03 +0000 (14:55 +0800)]
drm/amdgpu/poweprlay: export program display gap function to eventmgr

This allows the eventmgr to properly update the displaygap on
certain power events.

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>
8 years agodrm/amdgpu/powerplay: add function point in hwmgr_funcs for program display gap
Rex Zhu [Fri, 16 Oct 2015 06:51:09 +0000 (14:51 +0800)]
drm/amdgpu/powerplay: add function point in hwmgr_funcs for program display gap

Displaygap support is required for proper mclk switching.

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>
8 years agodrm/amd/amdgpu: enable powerplay and smc firmware loading for Fiji.
Eric Huang [Tue, 29 Sep 2015 18:58:53 +0000 (14:58 -0400)]
drm/amd/amdgpu: enable powerplay and smc firmware loading for Fiji.

Switch over to handling in the powerplay module.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
8 years agodrm/amdgpu: add amdgpu.powerplay module option
Jammy Zhou [Tue, 21 Jul 2015 06:01:50 +0000 (14:01 +0800)]
drm/amdgpu: add amdgpu.powerplay module option

This option can be used to enable the new powerplay implementation,
and it is disabled by default.

Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amd/powerplay: add Fiji DPM support.
Eric Huang [Wed, 26 Aug 2015 20:52:28 +0000 (16:52 -0400)]
drm/amd/powerplay: add Fiji DPM support.

This enabled DPM support for Fiji.  DPM is dynamic
clock and voltage scaling.

v2: rename fiji_hwmgr_early_init to fiji_hwmgr_init
v3: (agd) fold in endian fix, additional function addition

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
8 years agodrm/amd/powerplay: add Fiji SMU support.
Eric Huang [Wed, 26 Aug 2015 20:50:59 +0000 (16:50 -0400)]
drm/amd/powerplay: add Fiji SMU support.

Add support for the SMU manager for Fiji. This handles the
firmware loading for other IP blocks (GFX, SDMA, etc.).

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
8 years agodrm/amd/powerplay: update atomctrl for fiji
Eric Huang [Mon, 9 Nov 2015 22:35:45 +0000 (17:35 -0500)]
drm/amd/powerplay: update atomctrl for fiji

Add some new functions to support Fiji.  Split out
from the previous patch.

Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
8 years agodrm/amd/powerplay: add/update headers for Fiji SMU and DPM
Eric Huang [Mon, 9 Nov 2015 22:34:31 +0000 (17:34 -0500)]
drm/amd/powerplay: add/update headers for Fiji SMU and DPM

New headers for Fiji.

Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
8 years agodrm/amd/powerplay: add Tonga dpm support (v3)
yanyang1 [Tue, 18 Aug 2015 07:28:32 +0000 (15:28 +0800)]
drm/amd/powerplay: add Tonga dpm support (v3)

This implements DPM for tonga.  DPM handles dynamic
clock and voltage scaling.

v2: merge all the patches related with tonga dpm
v3: merge dpm force level fix, cgs display fix, spelling fix

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: yanyang1 <young.yang@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
8 years agodrm/amd/powerplay: Add Tonga SMU support
Jammy Zhou [Wed, 22 Jul 2015 03:29:58 +0000 (11:29 +0800)]
drm/amd/powerplay: Add Tonga SMU support

The SMU manager handles firmware loading for other IP
blocks (GFX, SDMA, etc.).  This implements it for Tonga.

v3: delete peci sub-module
v2: use cgs interface directly

Signed-off-by: Young Yang <Young.Yang@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amd/powerplay: add header file for tonga smu and dpm
yanyang1 [Mon, 17 Aug 2015 06:15:20 +0000 (14:15 +0800)]
drm/amd/powerplay: add header file for tonga smu and dpm

These headers provide the SMU interface used by the driver.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: yanyang1 <young.yang@amd.com>
8 years agodrm/amd/powerplay: Move smu7*.h from amdgpu to powerplay.
yanyang1 [Wed, 19 Aug 2015 04:22:34 +0000 (12:22 +0800)]
drm/amd/powerplay: Move smu7*.h from amdgpu to powerplay.

Move smu7.h, smu7_discrete.h and smu7_fusion.h from amdgpu to powerplay.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: yanyang1 <young.yang@amd.com>
8 years agodrm/amd/powerplay: Add ixSWRST_COMMAND_1 in bif_5_0_d.h
yanyang1 [Mon, 17 Aug 2015 06:15:20 +0000 (14:15 +0800)]
drm/amd/powerplay: Add ixSWRST_COMMAND_1 in bif_5_0_d.h

Add ixSWRST_COMMAND_1 in bif_5_0_d.h.  Required by
new powerplay code for tonga and fiji.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: yanyang1 <young.yang@amd.com>
8 years agodrm/amd/powerplay: implement functions of amd_powerplay_func
Rex Zhu [Fri, 28 Aug 2015 04:56:43 +0000 (12:56 +0800)]
drm/amd/powerplay: implement functions of amd_powerplay_func

This is the common interface for interacting with the powerplay
module.

v2: squash in fixes

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Acked-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amd/powerplay: add event manager sub-component
Rex Zhu [Wed, 23 Sep 2015 07:14:54 +0000 (15:14 +0800)]
drm/amd/powerplay: add event manager sub-component

The event manager handles power related driver events.

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>
8 years agodrm/amd/powerplay: add CG and PG support for carrizo
Rex Zhu [Wed, 23 Sep 2015 07:14:38 +0000 (15:14 +0800)]
drm/amd/powerplay: add CG and PG support for carrizo

This adds clock and powergating support for CZ.

v2: squash in fixes

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>
8 years agodrm/amd/powerplay: add Carrizo dpm support
Jammy Zhou [Wed, 22 Jul 2015 02:41:30 +0000 (10:41 +0800)]
drm/amd/powerplay: add Carrizo dpm support

This patch enables basic DPM support for Carrizo.
DPM handles dynamic clock and voltage scaling.

v3: delete peci sub-module
v2: use cgs interface directly
    correct define SMU_EnabledFeatureScoreboard_SclkDpmOn

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amd/powerplay: add Carrizo smu support
Jammy Zhou [Wed, 22 Jul 2015 01:54:16 +0000 (09:54 +0800)]
drm/amd/powerplay: add Carrizo smu support

This implements the SMU firmware manager interface for CZ.
Some header files are moved from amdgpu folder to powerplay as well.

v3: delete peci sub-module.
v2: use cgs interface directly
    add load_mec_firmware function

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amd/powerplay: add hardware manager sub-component
Jammy Zhou [Tue, 21 Jul 2015 13:18:15 +0000 (21:18 +0800)]
drm/amd/powerplay: add hardware manager sub-component

The hwmgr handles all hardware related calls, including clock/power
gating control, DPM, read and parse PPTable, etc.

v5: squash in fixes
v4: implement acpi's atcs function use cgs interface
v3: fix code style error and add big-endian mode support.
v2: use cgs interface directly in hwmgr sub-module

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amd/powerplay: add SMU manager sub-component
Jammy Zhou [Tue, 21 Jul 2015 09:43:02 +0000 (17:43 +0800)]
drm/amd/powerplay: add SMU manager sub-component

The SMUMGR is one sub-component of powerplay for SMU firmware support.
The SMU handles firmware loading for other IP blocks (GFX, SDMA, etc.)
on VI parts.  The adds the core powerplay infrastructure to handle that.

v3: direct use printk in powerplay module.
v2: direct use cgs_read/write_register functions in smu-modules

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amdgpu: export amd_powerplay_func to amdgpu and other ip block
Rex Zhu [Tue, 10 Nov 2015 23:25:24 +0000 (18:25 -0500)]
drm/amdgpu: export amd_powerplay_func to amdgpu and other ip block

Update amdgpu to deal with the new powerplay module properly.

v2: squash in fixes
v3: squash in Rex's power state reporting fix

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Acked-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amdgpu: disable legacy path of firmware check if powerplay is enabled
Rex Zhu [Sat, 7 Nov 2015 01:33:24 +0000 (20:33 -0500)]
drm/amdgpu: disable legacy path of firmware check if powerplay is enabled

Powerplay will use a different interface once it's integrated.  These
legacy pathes will be removed once powerplay is enabled by default.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amd/powerplay: add basic powerplay framework
Alex Deucher [Wed, 2 Dec 2015 22:46:21 +0000 (17:46 -0500)]
drm/amd/powerplay: add basic powerplay framework

amdgpu_pp_ip_funcs is introduced to handle the two code paths,
the legacy one and the new powerplay implementation.

CONFIG_DRM_AMD_POWERPLAY kernel configuration option is
introduced for the powerplay component.

v4: squash in fixes
v3: register debugfs file when powerplay module enable
v2: add amdgpu_ucode_init_bo in hw init when amdgpu_powerplay enable.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
8 years agodrm/amdgpu: add new cgs interface to get display info (v2)
Rex Zhu [Thu, 17 Sep 2015 08:34:14 +0000 (16:34 +0800)]
drm/amdgpu: add new cgs interface to get display info (v2)

Add new CGS interfaces to query display info across modules.
This is nedded by the powerplay module for synchronizing with
the display module.

v2: (agd): fold in refresh rate fix, rebase

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>
8 years agodrm/amdgpu: implement cgs interface to query system info
Rex Zhu [Wed, 23 Sep 2015 12:11:54 +0000 (20:11 +0800)]
drm/amdgpu: implement cgs interface to query system info

Add a query to get the bus number and function of the
device.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
8 years agodrm/amdgpu: implement new cgs interface for acpi function
Rex Zhu [Tue, 15 Sep 2015 06:44:44 +0000 (14:44 +0800)]
drm/amdgpu: implement new cgs interface for acpi function

Add a new driver internal interface for accessing ACPI
methods.  These will be used by various new components
including 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>