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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-06-26 08:33:35 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-06-28 03:15:22 +0400 |
| commit | dc50ba7f9a6d9a920409892c7f30bce266067345 (patch) | |
| tree | 17e9dc618117ceacf39c2f2e29907792cdedc598 /drivers/gpu/drm/radeon/radeon.h | |
| parent | 66229b200598a3b66b839d1759ff3f5b17ac5639 (diff) | |
| download | linux-dc50ba7f9a6d9a920409892c7f30bce266067345.tar.xz | |
drm/radeon/kms: add dpm support for evergreen (v4)
This adds dpm support for evergreen asics. This includes:
- clockgating
- dynamic engine clock scaling
- dynamic memory clock scaling
- dynamic voltage scaling
- dynamic pcie gen1/gen2 switching (requires additional acpi support)
Set radeon.dpm=1 to enable.
v2: reduce stack usage, rename ulv struct
v3: fix thermal interrupt check notices by Jerome
v4: fix state enable
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 7221ff43fdc8..5d4731b66e7d 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -2131,6 +2131,15 @@ void r100_pll_errata_after_index(struct radeon_device *rdev); #define ASIC_IS_NODCE(rdev) ((rdev->family == CHIP_HAINAN)) #define ASIC_IS_DCE8(rdev) ((rdev->family >= CHIP_BONAIRE)) +#define ASIC_IS_LOMBOK(rdev) ((rdev->ddev->pdev->device == 0x6849) || \ + (rdev->ddev->pdev->device == 0x6850) || \ + (rdev->ddev->pdev->device == 0x6858) || \ + (rdev->ddev->pdev->device == 0x6859) || \ + (rdev->ddev->pdev->device == 0x6840) || \ + (rdev->ddev->pdev->device == 0x6841) || \ + (rdev->ddev->pdev->device == 0x6842) || \ + (rdev->ddev->pdev->device == 0x6843)) + /* * BIOS helpers. */ @@ -2358,6 +2367,10 @@ extern int ni_mc_load_microcode(struct radeon_device *rdev); #if defined(CONFIG_ACPI) extern int radeon_acpi_init(struct radeon_device *rdev); extern void radeon_acpi_fini(struct radeon_device *rdev); +extern bool radeon_acpi_is_pcie_performance_request_supported(struct radeon_device *rdev); +extern int radeon_acpi_pcie_performance_request(struct radeon_device *rdev, + u8 ref_req, bool advertise); +extern int radeon_acpi_pcie_notify_device_ready(struct radeon_device *rdev); #else static inline int radeon_acpi_init(struct radeon_device *rdev) { return 0; } static inline void radeon_acpi_fini(struct radeon_device *rdev) { } |