From 7d9a1e418c962c2b25b8835dd3a6c68f81912fcd Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Thu, 20 Jul 2017 12:25:16 +0300 Subject: Revert "drm/i915: Add option to support dynamic backlight via DPCD" This reverts commit ae25eceab616d16a07bcaa434b84463d58a3bdc3. The DPCD backlight commits regress a Thinkpad X1 Carbon 4th Gen and a BXT-P (in CI). Enabling dynamic backlight boots to a black screen, and enabling DPCD backlight leads to a black screen after suspend/resume. References: http://mid.mail-archive.com/20170706135349.6tu3lz7uehazlnnn@boom References: http://mid.mail-archive.com/20170627132326.f2q3yn4bh5flji4q@boom Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101619 Reported-by: David Weinehall Fixes: ae25eceab616 ("drm/i915: Add option to support dynamic backlight via DPCD") Cc: Jenny TC Cc: David Weinehall Cc: Puthikorn Voravootivat Cc: Dhinakaran Pandiyan Cc: Daniel Vetter Cc: intel-gfx@lists.freedesktop.org Reviewed-by: Dhinakaran Pandiyan Acked-by: Daniel Vetter Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/051eeb592361985d2d06333c61c220dd92253b09.1500542254.git.jani.nikula@intel.com --- drivers/gpu/drm/i915/i915_params.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/gpu/drm/i915/i915_params.h') diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h index 057e203e6bda..0d6cf9138dc4 100644 --- a/drivers/gpu/drm/i915/i915_params.h +++ b/drivers/gpu/drm/i915/i915_params.h @@ -67,8 +67,7 @@ func(bool, verbose_state_checks); \ func(bool, nuclear_pageflip); \ func(bool, enable_dp_mst); \ - func(bool, enable_gvt); \ - func(bool, enable_dbc) + func(bool, enable_gvt) #define MEMBER(T, member) T member struct i915_params { -- cgit v1.2.3