1 files changed, 36 insertions, 8 deletions

diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index 9af464d48ea..d914e04ea39 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -1341,10 +1341,10 @@ static void rv770_program_display_gap(struct radeon_device *rdev)
 	u32 tmp = RREG32(CG_DISPLAY_GAP_CNTL);
 
 	tmp &= ~(DISP1_GAP_MCHG_MASK | DISP2_GAP_MCHG_MASK);
-	if (RREG32(AVIVO_D1CRTC_CONTROL) & AVIVO_CRTC_EN) {
+	if (rdev->pm.dpm.new_active_crtcs & 1) {
 		tmp |= DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK);
 		tmp |= DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
-	} else if (RREG32(AVIVO_D2CRTC_CONTROL) & AVIVO_CRTC_EN) {
+	} else if (rdev->pm.dpm.new_active_crtcs & 2) {
 		tmp |= DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
 		tmp |= DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK);
 	} else {
@@ -1471,14 +1471,30 @@ int rv770_restrict_performance_levels_before_switch(struct radeon_device *rdev)
 	return 0;
 }
 
-int rv770_unrestrict_performance_levels_after_switch(struct radeon_device *rdev)
+int rv770_dpm_force_performance_level(struct radeon_device *rdev,
+				      enum radeon_dpm_forced_level level)
 {
-	if (rv770_send_msg_to_smc(rdev, (PPSMC_Msg)(PPSMC_MSG_NoForcedLevel)) != PPSMC_Result_OK)
-		return -EINVAL;
+	PPSMC_Msg msg;
+
+	if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
+		if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_ZeroLevelsDisabled) != PPSMC_Result_OK)
+			return -EINVAL;
+		msg = PPSMC_MSG_ForceHigh;
+	} else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
+		if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_NoForcedLevel) != PPSMC_Result_OK)
+			return -EINVAL;
+		msg = (PPSMC_Msg)(PPSMC_MSG_TwoLevelsDisabled);
+	} else {
+		if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_NoForcedLevel) != PPSMC_Result_OK)
+			return -EINVAL;
+		msg = (PPSMC_Msg)(PPSMC_MSG_ZeroLevelsDisabled);
+	}
 
-	if (rv770_send_msg_to_smc(rdev, (PPSMC_Msg)(PPSMC_MSG_ZeroLevelsDisabled)) != PPSMC_Result_OK)
+	if (rv770_send_msg_to_smc(rdev, msg) != PPSMC_Result_OK)
 		return -EINVAL;
 
+	rdev->pm.dpm.forced_level = level;
+
 	return 0;
 }
 
@@ -2047,9 +2063,10 @@ int rv770_dpm_set_power_state(struct radeon_device *rdev)
 	if (pi->dcodt)
 		rv770_program_dcodt_after_state_switch(rdev, new_ps, old_ps);
 	rv770_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
-	ret = rv770_unrestrict_performance_levels_after_switch(rdev);
+
+	ret = rv770_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO);
 	if (ret) {
-		DRM_ERROR("rv770_unrestrict_performance_levels_after_switch failed\n");
+		DRM_ERROR("rv770_dpm_force_performance_level failed\n");
 		return ret;
 	}
 
@@ -2491,3 +2508,14 @@ u32 rv770_dpm_get_mclk(struct radeon_device *rdev, bool low)
 	else
 		return requested_state->high.mclk;
 }
+
+bool rv770_dpm_vblank_too_short(struct radeon_device *rdev)
+{
+	u32 vblank_time = r600_dpm_get_vblank_time(rdev);
+
+	if (vblank_time < 300)
+		return true;
+	else
+		return false;
+
+}