diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-06-26 00:15:24 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-06-27 19:15:44 -0400 |
| commit | 6596afd48af4d07c8b454849b2fe7e628974f3ef (patch) | |
| tree | 4a6a081ef0f3b6cc96afc36c65ff502129072bd1 /drivers/gpu/drm/radeon/ni.c | |
| parent | dc50ba7f9a6d9a920409892c7f30bce266067345 (diff) | |
| download | linux-6596afd48af4d07c8b454849b2fe7e628974f3ef.tar.bz2 | |
drm/radeon/kms: add dpm support for btc (v3)
This adds dpm support for btc 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
v3: attempt to fix state enable
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/ni.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index c73d71340d27..74077626256a 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -180,13 +180,16 @@ extern int sumo_rlc_init(struct radeon_device *rdev); MODULE_FIRMWARE("radeon/BARTS_pfp.bin"); MODULE_FIRMWARE("radeon/BARTS_me.bin"); MODULE_FIRMWARE("radeon/BARTS_mc.bin"); +MODULE_FIRMWARE("radeon/BARTS_smc.bin"); MODULE_FIRMWARE("radeon/BTC_rlc.bin"); MODULE_FIRMWARE("radeon/TURKS_pfp.bin"); MODULE_FIRMWARE("radeon/TURKS_me.bin"); MODULE_FIRMWARE("radeon/TURKS_mc.bin"); +MODULE_FIRMWARE("radeon/TURKS_smc.bin"); MODULE_FIRMWARE("radeon/CAICOS_pfp.bin"); MODULE_FIRMWARE("radeon/CAICOS_me.bin"); MODULE_FIRMWARE("radeon/CAICOS_mc.bin"); +MODULE_FIRMWARE("radeon/CAICOS_smc.bin"); MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin"); MODULE_FIRMWARE("radeon/CAYMAN_me.bin"); MODULE_FIRMWARE("radeon/CAYMAN_mc.bin"); @@ -683,6 +686,7 @@ int ni_init_microcode(struct radeon_device *rdev) const char *chip_name; const char *rlc_chip_name; size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size; + size_t smc_req_size = 0; char fw_name[30]; int err; @@ -703,6 +707,7 @@ int ni_init_microcode(struct radeon_device *rdev) me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; mc_req_size = BTC_MC_UCODE_SIZE * 4; + smc_req_size = ALIGN(BARTS_SMC_UCODE_SIZE, 4); break; case CHIP_TURKS: chip_name = "TURKS"; @@ -711,6 +716,7 @@ int ni_init_microcode(struct radeon_device *rdev) me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; mc_req_size = BTC_MC_UCODE_SIZE * 4; + smc_req_size = ALIGN(TURKS_SMC_UCODE_SIZE, 4); break; case CHIP_CAICOS: chip_name = "CAICOS"; @@ -719,6 +725,7 @@ int ni_init_microcode(struct radeon_device *rdev) me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; mc_req_size = BTC_MC_UCODE_SIZE * 4; + smc_req_size = ALIGN(CAICOS_SMC_UCODE_SIZE, 4); break; case CHIP_CAYMAN: chip_name = "CAYMAN"; @@ -789,6 +796,20 @@ int ni_init_microcode(struct radeon_device *rdev) err = -EINVAL; } } + + if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAICOS)) { + snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name); + err = request_firmware(&rdev->smc_fw, fw_name, &pdev->dev); + if (err) + goto out; + if (rdev->smc_fw->size != smc_req_size) { + printk(KERN_ERR + "ni_mc: Bogus length %zu in firmware \"%s\"\n", + rdev->mc_fw->size, fw_name); + err = -EINVAL; + } + } + out: platform_device_unregister(pdev); |