From 69e0b57a91adca2e3eb56ed4db39ab90f3ae1043 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 12 Apr 2013 16:42:42 -0400 Subject: 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 Reviewed-by: Jerome Glisse --- drivers/gpu/drm/radeon/cypress_dpm.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/gpu/drm/radeon/cypress_dpm.h') 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 -- cgit v1.2.3