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authorJosé Roberto de Souza <jose.souza@intel.com>2018-12-04 01:33:55 +0100
committerJani Nikula <jani.nikula@intel.com>2019-01-10 14:09:35 +0100
commit1035f4a65f58407951d8d2f54c289c2b252e499c (patch)
tree87f7b16908fe7a35f01f467c51b0146201402487 /drivers/gpu/drm/drm_dp_helper.c
parentMerge tag 'gvt-fixes-2019-01-09' of https://github.com/intel/gvt-linux into d... (diff)
downloadlinux-1035f4a65f58407951d8d2f54c289c2b252e499c.tar.xz
linux-1035f4a65f58407951d8d2f54c289c2b252e499c.zip
drm/i915: Disable PSR in Apple panels
i915 yet don't support PSR in Apple panels, so lets keep it disabled while we work on that. v2: Renamed DP_DPCD_QUIRK_PSR_NOT_CURRENTLY_SUPPORTED to DP_DPCD_QUIRK_NO_PSR (Ville) v3: Adding documentation to DP_DPCD_QUIRK_NO_PSR(Dhinakaran and Jani) Fixed typo in comment of the new quirk entry(Jani) Fixes: 598c6cfe0690 (drm/i915/psr: Enable PSR1 on gen-9+ HW) Cc: Jani Nikula <jani.nikula@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Signed-off-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181204003403.23361-1-jose.souza@intel.com (cherry picked from commit 7c5c641a930ed06ca317ee39faee7d5824266348) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/drm_dp_helper.c')
-rw-r--r--drivers/gpu/drm/drm_dp_helper.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
index 2d6c491a0542..516e82d0ed50 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -1273,6 +1273,8 @@ static const struct dpcd_quirk dpcd_quirk_list[] = {
{ OUI(0x00, 0x22, 0xb9), DEVICE_ID_ANY, true, BIT(DP_DPCD_QUIRK_CONSTANT_N) },
/* LG LP140WF6-SPM1 eDP panel */
{ OUI(0x00, 0x22, 0xb9), DEVICE_ID('s', 'i', 'v', 'a', 'r', 'T'), false, BIT(DP_DPCD_QUIRK_CONSTANT_N) },
+ /* Apple panels need some additional handling to support PSR */
+ { OUI(0x00, 0x10, 0xfa), DEVICE_ID_ANY, false, BIT(DP_DPCD_QUIRK_NO_PSR) }
};
#undef OUI