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authorAlex Deucher <alexander.deucher@amd.com>2013-06-27 18:47:18 -0400
committerAlex Deucher <alexander.deucher@amd.com>2013-06-27 19:15:46 -0400
commit7c464f68b361aa05f964e22f7a8be4e7a7698a70 (patch)
tree66d31e5998843a1ebf1c1f89809e3ecbd13daf8a /drivers
parent65676d06f5b0b500934e59117bae4662c089c733 (diff)
drm/radeon: add dpm UVD handling for r7xx asics
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/radeon/rv770_dpm.c34
-rw-r--r--drivers/gpu/drm/radeon/rv770_dpm.h2
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,