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Commit f4dec318 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon/dpm: implement vblank_too_short callback for si 



Check if we can switch the mclk during the vblank time otherwise
we may get artifacts on the screen when the mclk changes.

Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 76ad73e5

drivers/gpu/drm/radeon/ni_dpm.h

+2 −0
Original line number Diff line number Diff line
@@ -245,4 +245,6 @@ void ni_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev, 
					  struct radeon_ps *new_ps,

					  struct radeon_ps *old_ps);



bool ni_dpm_vblank_too_short(struct radeon_device *rdev);



#endif

drivers/gpu/drm/radeon/radeon_asic.c

+1 −0
Original line number Diff line number Diff line
@@ -2294,6 +2294,7 @@ static struct radeon_asic si_asic = { 
		.print_power_state = &ni_dpm_print_power_state,

		.debugfs_print_current_performance_level = &si_dpm_debugfs_print_current_performance_level,

		.force_performance_level = &si_dpm_force_performance_level,

		.vblank_too_short = &ni_dpm_vblank_too_short,

	},

	.pflip = {

		.pre_page_flip = &evergreen_pre_page_flip,

drivers/gpu/drm/radeon/si_dpm.c

+2 −1
Original line number Diff line number Diff line
@@ -2906,7 +2906,8 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, 
	u16 vddc, vddci;

	int i;



	if (rdev->pm.dpm.new_active_crtc_count > 1)

	if ((rdev->pm.dpm.new_active_crtc_count > 1) ||

	    ni_dpm_vblank_too_short(rdev))

		disable_mclk_switching = true;

	else

		disable_mclk_switching = false;