Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-10 06:01:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

drm/i915/dp: Clear VSC SDP during post ddi disable routine

Browse Source 
Clear VSC SDP if intel_dp_set_infoframes is called from post ddi disable
routine i.e with the variable of enable as false. This is to avoid
an infoframes.enable mismatch issue which is caused when pipe is
connected to eDp which has psr then connected to DPMST. In this case
eDp's post ddi disable routine does not clear infoframes.enable VSC
for the given pipe and DPMST does not recompute VSC SDP and write
infoframes.enable which causes a mismatch.

--v2
-Make the comment match the code [Jani]

Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240724163743.3668407-1-suraj.kandpal@intel.com
This commit is contained in:
Suraj Kandpal 2024-07-24 22:07:43 +05:30
parent b4224f6bae
commit 3e307d6c28
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/i915/display/intel_dp.c
View File

@ -4369,8 +4369,11 @@ void intel_dp_set_infoframes(struct intel_encoder *encoder,
if (!enable && HAS_DSC(dev_priv))
val &= ~VDIP_ENABLE_PPS;
/* When PSR is enabled, this routine doesn't disable VSC DIP */
if (!crtc_state->has_psr)
/*
* This routine disables VSC DIP if the function is called
* to disable SDP or if it does not have PSR
*/
if (!enable || !crtc_state->has_psr)
val &= ~VIDEO_DIP_ENABLE_VSC_HSW;
intel_de_write(dev_priv, reg, val);