Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit c0392f8f authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon: improve mclk param calcuations for ci dpm 



Properly take into account the post divider.

Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 21b8a369

drivers/gpu/drm/radeon/ci_dpm.c

+3 −3
Original line number Diff line number Diff line
@@ -2409,10 +2409,10 @@ static int ci_calculate_mclk_params(struct radeon_device *rdev, 
		u32 tmp;

		u32 reference_clock = rdev->clock.mpll.reference_freq;



		if (pi->mem_gddr5)

			freq_nom = memory_clock * 4;

		if (mpll_param.qdr == 1)

			freq_nom = memory_clock * 4 * (1 << mpll_param.post_div);

		else

			freq_nom = memory_clock * 2;

			freq_nom = memory_clock * 2 * (1 << mpll_param.post_div);



		tmp = (freq_nom / reference_clock);

		tmp = tmp * tmp;