Commit 80ea2c12 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon/kms: add dpm support for sumo asics (v2) 



This adds dpm support for sumo asics.  This includes:
- clockgating
- powergating
- dynamic engine clock scaling
- dynamic voltage scaling

set radeon.dpm=1 to enable it.

v2: fix indention

Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarJerome Glisse <jglisse@redhat.com>
parent 6596afd4

drivers/gpu/drm/radeon/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -78,7 +78,7 @@ radeon-y += radeon_device.o radeon_asic.o radeon_kms.o \ 
	atombios_encoders.o radeon_semaphore.o radeon_sa.o atombios_i2c.o si.o \

	si_blit_shaders.o radeon_prime.o radeon_uvd.o cik.o cik_blit_shaders.o \

	r600_dpm.o rs780_dpm.o rv6xx_dpm.o rv770_dpm.o rv730_dpm.o rv740_dpm.o \

	rv770_smc.o cypress_dpm.o btc_dpm.o

	rv770_smc.o cypress_dpm.o btc_dpm.o sumo_dpm.o sumo_smc.o



radeon-$(CONFIG_COMPAT) += radeon_ioc32.o

radeon-$(CONFIG_VGA_SWITCHEROO) += radeon_atpx_handler.o

drivers/gpu/drm/radeon/radeon_asic.c

+12 −0
Original line number Diff line number Diff line
@@ -1614,6 +1614,18 @@ static struct radeon_asic sumo_asic = { 
		.set_uvd_clocks = &sumo_set_uvd_clocks,

		.get_temperature = &sumo_get_temp,

	},

	.dpm = {

		.init = &sumo_dpm_init,

		.setup_asic = &sumo_dpm_setup_asic,

		.enable = &sumo_dpm_enable,

		.disable = &sumo_dpm_disable,

		.set_power_state = &sumo_dpm_set_power_state,

		.display_configuration_changed = &sumo_dpm_display_configuration_changed,

		.fini = &sumo_dpm_fini,

		.get_sclk = &sumo_dpm_get_sclk,

		.get_mclk = &sumo_dpm_get_mclk,

		.print_power_state = &sumo_dpm_print_power_state,

	},

	.pflip = {

		.pre_page_flip = &evergreen_pre_page_flip,

		.page_flip = &evergreen_page_flip,

drivers/gpu/drm/radeon/radeon_asic.h

+11 −0
Original line number Diff line number Diff line
@@ -542,6 +542,17 @@ int btc_dpm_enable(struct radeon_device *rdev); 
void btc_dpm_disable(struct radeon_device *rdev);

int btc_dpm_set_power_state(struct radeon_device *rdev);

void btc_dpm_fini(struct radeon_device *rdev);

int sumo_dpm_init(struct radeon_device *rdev);

int sumo_dpm_enable(struct radeon_device *rdev);

void sumo_dpm_disable(struct radeon_device *rdev);

int sumo_dpm_set_power_state(struct radeon_device *rdev);

void sumo_dpm_setup_asic(struct radeon_device *rdev);

void sumo_dpm_display_configuration_changed(struct radeon_device *rdev);

void sumo_dpm_fini(struct radeon_device *rdev);

u32 sumo_dpm_get_sclk(struct radeon_device *rdev, bool low);

u32 sumo_dpm_get_mclk(struct radeon_device *rdev, bool low);

void sumo_dpm_print_power_state(struct radeon_device *rdev,

				struct radeon_ps *ps);



/*

 * cayman

drivers/gpu/drm/radeon/radeon_pm.c

+3 −0
Original line number Diff line number Diff line
@@ -1046,6 +1046,9 @@ int radeon_pm_init(struct radeon_device *rdev) 
	case CHIP_JUNIPER:

	case CHIP_CYPRESS:

	case CHIP_HEMLOCK:

	case CHIP_PALM:

	case CHIP_SUMO:

	case CHIP_SUMO2:

	case CHIP_BARTS:

	case CHIP_TURKS:

	case CHIP_CAICOS:

drivers/gpu/drm/radeon/sumo_dpm.c

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+1677 −0

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