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Commit f75195ca authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon/dpm: add reclocking quirk for ASUS K70AF 



The LCD has a relatively short vblank time (216us), but
the card is able to reclock memory fine in that time.

Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reported-by: default avatar <normalrawr@gmail.com>
parent 942bdf7f

drivers/gpu/drm/radeon/rv770_dpm.c

+9 −1
Original line number Diff line number Diff line
@@ -2517,8 +2517,16 @@ u32 rv770_dpm_get_mclk(struct radeon_device *rdev, bool low) 
bool rv770_dpm_vblank_too_short(struct radeon_device *rdev)

{

	u32 vblank_time = r600_dpm_get_vblank_time(rdev);

	u32 switch_limit = 300;



	if (vblank_time < 300)

	/* quirks */

	/* ASUS K70AF */

	if ((rdev->pdev->device == 0x9553) &&

	    (rdev->pdev->subsystem_vendor == 0x1043) &&

	    (rdev->pdev->subsystem_device == 0x1c42))

		switch_limit = 200;



	if (vblank_time < switch_limit)

		return true;

	else

		return false;