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Date: Tue, 1 Feb 2022 19:16:47 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, "stable@...r.kernel.org, Guillaume Bertholon" <guillaume.bertholon@....fr>, Guillaume Bertholon <guillaume.bertholon@....fr> Subject: [PATCH 4.4 23/25] Revert "drm/radeon/ci: disable mclk switching for high refresh rates (v2)" From: Guillaume Bertholon <guillaume.bertholon@....fr> This reverts commit 0157e2a8a71978c58a7d6cfb3616ab17d9726631. The reverted commit was backported and applied twice on the stable branch: - First as commit 15de2e4c90b7 ("drm/radeon/ci: disable mclk switching for high refresh rates (v2)") - Then as commit 0157e2a8a719 ("drm/radeon/ci: disable mclk switching for high refresh rates (v2)") Fixes: 0157e2a8a719 ("drm/radeon/ci: disable mclk switching for high refresh rates (v2)") Signed-off-by: Guillaume Bertholon <guillaume.bertholon@....fr> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/gpu/drm/radeon/ci_dpm.c | 6 ------ 1 file changed, 6 deletions(-) --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -782,12 +782,6 @@ bool ci_dpm_vblank_too_short(struct rade if (r600_dpm_get_vrefresh(rdev) > 120) return true; - /* disable mclk switching if the refresh is >120Hz, even if the - * blanking period would allow it - */ - if (r600_dpm_get_vrefresh(rdev) > 120) - return true; - if (vblank_time < switch_limit) return true; else
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