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Commit 1bd4cff6 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon/dpm: adjust the vblank time checks for eg, ni, si 



According to the internal teams, we never hit the limit for
mclk switching on these asics, so we can disable the check.

Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent f75195ca

drivers/gpu/drm/radeon/cypress_dpm.c

+2 −1
Original line number Diff line number Diff line
@@ -2166,7 +2166,8 @@ bool cypress_dpm_vblank_too_short(struct radeon_device *rdev) 
{

	struct rv7xx_power_info *pi = rv770_get_pi(rdev);

	u32 vblank_time = r600_dpm_get_vblank_time(rdev);

	u32 switch_limit = pi->mem_gddr5 ? 450 : 300;

	/* we never hit the non-gddr5 limit so disable it */

	u32 switch_limit = pi->mem_gddr5 ? 450 : 0;



	if (vblank_time < switch_limit)

		return true;

drivers/gpu/drm/radeon/ni_dpm.c

+2 −1
Original line number Diff line number Diff line
@@ -769,7 +769,8 @@ bool ni_dpm_vblank_too_short(struct radeon_device *rdev) 
{

	struct rv7xx_power_info *pi = rv770_get_pi(rdev);

	u32 vblank_time = r600_dpm_get_vblank_time(rdev);

	u32 switch_limit = pi->mem_gddr5 ? 450 : 300;

	/* we never hit the non-gddr5 limit so disable it */

	u32 switch_limit = pi->mem_gddr5 ? 450 : 0;



	if (vblank_time < switch_limit)

		return true;