diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-06-27 18:47:18 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-06-27 19:15:46 -0400 |
| commit | 7c464f68b361aa05f964e22f7a8be4e7a7698a70 (patch) | |
| tree | 66d31e5998843a1ebf1c1f89809e3ecbd13daf8a /drivers/gpu | |
| parent | 65676d06f5b0b500934e59117bae4662c089c733 (diff) | |
| download | linux-7c464f68b361aa05f964e22f7a8be4e7a7698a70.tar.bz2 | |
drm/radeon: add dpm UVD handling for r7xx asics
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770_dpm.c | 34 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770_dpm.h | 2 |
2 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c index d15e7157a4bf..8cdad4fe3b8f 100644 --- a/drivers/gpu/drm/radeon/rv770_dpm.c +++ b/drivers/gpu/drm/radeon/rv770_dpm.c @@ -1427,6 +1427,38 @@ int rv770_set_boot_state(struct radeon_device *rdev) return 0; } +void rv770_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev) +{ + struct rv7xx_ps *new_state = rv770_get_ps(rdev->pm.dpm.requested_ps); + struct rv7xx_ps *current_state = rv770_get_ps(rdev->pm.dpm.current_ps); + + if ((rdev->pm.dpm.requested_ps->vclk == rdev->pm.dpm.current_ps->vclk) && + (rdev->pm.dpm.requested_ps->dclk == rdev->pm.dpm.current_ps->dclk)) + return; + + if (new_state->high.sclk >= current_state->high.sclk) + return; + + radeon_set_uvd_clocks(rdev, rdev->pm.dpm.requested_ps->vclk, + rdev->pm.dpm.requested_ps->dclk); +} + +void rv770_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev) +{ + struct rv7xx_ps *new_state = rv770_get_ps(rdev->pm.dpm.requested_ps); + struct rv7xx_ps *current_state = rv770_get_ps(rdev->pm.dpm.current_ps); + + if ((rdev->pm.dpm.requested_ps->vclk == rdev->pm.dpm.current_ps->vclk) && + (rdev->pm.dpm.requested_ps->dclk == rdev->pm.dpm.current_ps->dclk)) + return; + + if (new_state->high.sclk < current_state->high.sclk) + return; + + radeon_set_uvd_clocks(rdev, rdev->pm.dpm.requested_ps->vclk, + rdev->pm.dpm.requested_ps->dclk); +} + int rv770_restrict_performance_levels_before_switch(struct radeon_device *rdev) { if (rv770_send_msg_to_smc(rdev, (PPSMC_Msg)(PPSMC_MSG_NoForcedLevel)) != PPSMC_Result_OK) @@ -1961,6 +1993,7 @@ int rv770_dpm_set_power_state(struct radeon_device *rdev) struct rv7xx_power_info *pi = rv770_get_pi(rdev); rv770_restrict_performance_levels_before_switch(rdev); + rv770_set_uvd_clock_before_set_eng_clock(rdev); rv770_halt_smc(rdev); rv770_upload_sw_state(rdev); r7xx_program_memory_timing_parameters(rdev); @@ -1970,6 +2003,7 @@ int rv770_dpm_set_power_state(struct radeon_device *rdev) rv770_set_sw_state(rdev); if (pi->dcodt) rv770_program_dcodt_after_state_switch(rdev); + rv770_set_uvd_clock_after_set_eng_clock(rdev); rv770_unrestrict_performance_levels_after_switch(rdev); return 0; diff --git a/drivers/gpu/drm/radeon/rv770_dpm.h b/drivers/gpu/drm/radeon/rv770_dpm.h index 8cd878397f54..f1c9da5ba40f 100644 --- a/drivers/gpu/drm/radeon/rv770_dpm.h +++ b/drivers/gpu/drm/radeon/rv770_dpm.h @@ -263,6 +263,8 @@ int rv770_resume_smc(struct radeon_device *rdev); int rv770_set_sw_state(struct radeon_device *rdev); int rv770_set_boot_state(struct radeon_device *rdev); int rv7xx_parse_power_table(struct radeon_device *rdev); +void rv770_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev); +void rv770_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev); /* smc */ int rv770_read_smc_soft_register(struct radeon_device *rdev, |