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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-04-12 16:42:42 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-06-27 19:16:10 -0400 |
| commit | 69e0b57a91adca2e3eb56ed4db39ab90f3ae1043 (patch) | |
| tree | aa08ae87050d5e80c883367ce13fabf7bd32a742 /drivers/gpu/drm/radeon/cypress_dpm.h | |
| parent | d22b7e406a4032f9208207d80c1d515267b73358 (diff) | |
| download | blackbird-op-linux-69e0b57a91adca2e3eb56ed4db39ab90f3ae1043.tar.gz blackbird-op-linux-69e0b57a91adca2e3eb56ed4db39ab90f3ae1043.zip | |
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>
Diffstat (limited to 'drivers/gpu/drm/radeon/cypress_dpm.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/cypress_dpm.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/cypress_dpm.h b/drivers/gpu/drm/radeon/cypress_dpm.h index 9e24d7a268ba..9b6198e8ef53 100644 --- a/drivers/gpu/drm/radeon/cypress_dpm.h +++ b/drivers/gpu/drm/radeon/cypress_dpm.h @@ -141,5 +141,9 @@ void cypress_enable_mclk_control(struct radeon_device *rdev, bool enable); void cypress_start_dpm(struct radeon_device *rdev); void cypress_advertise_gen2_capability(struct radeon_device *rdev); +u32 cypress_map_clkf_to_ibias(struct radeon_device *rdev, u32 clkf); +u8 cypress_get_mclk_frequency_ratio(struct radeon_device *rdev, + u32 memory_clock, bool strobe_mode); +u8 cypress_get_strobe_mode_settings(struct radeon_device *rdev, u32 mclk); #endif |
