drm/radeon/kms: add dpm support for cayman (v5)
This adds dpm support for cayman asics. This includes:
- clockgating
- dynamic engine clock scaling
- dynamic memory clock scaling
- dynamic voltage scaling
- dynamic pcie gen1/gen2 switching (requires additional acpi support)
- power containment
- shader power scaling
Set radeon.dpm=1 to enable.
v2: fold in tdp fix
v3: fix indentation
v4: fix 64 bit div
v5: attempt to fix state enable
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index ca0ddc8..a255d0a 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1906,6 +1906,18 @@
.set_uvd_clocks = &evergreen_set_uvd_clocks,
.get_temperature = &evergreen_get_temp,
},
+ .dpm = {
+ .init = &ni_dpm_init,
+ .setup_asic = &ni_dpm_setup_asic,
+ .enable = &ni_dpm_enable,
+ .disable = &ni_dpm_disable,
+ .set_power_state = &ni_dpm_set_power_state,
+ .display_configuration_changed = &cypress_dpm_display_configuration_changed,
+ .fini = &ni_dpm_fini,
+ .get_sclk = &ni_dpm_get_sclk,
+ .get_mclk = &ni_dpm_get_mclk,
+ .print_power_state = &ni_dpm_print_power_state,
+ },
.pflip = {
.pre_page_flip = &evergreen_pre_page_flip,
.page_flip = &evergreen_page_flip,