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drm/radeon: add dpm UVD handling for r7xx asics 

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-06-27 18:47:18 -04:00
parent 65676d06f5
commit 7c464f68b3
2 changed files with 36 additions and 0 deletions
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34
drivers/gpu/drm/radeon/rv770_dpm.c
View File

@ -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;

2
drivers/gpu/drm/radeon/rv770_dpm.h
View File

@ -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,