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| author | Manasi Navare <manasi.d.navare@intel.com> | 2018-11-28 12:26:23 -0800 |
|---|---|---|
| committer | Manasi Navare <manasi.d.navare@intel.com> | 2018-11-29 12:31:14 -0800 |
| commit | a600622c09ddf7da660ca714d5644ecf270426fc (patch) | |
| tree | e58c920943155996b1c7ed5ae9a1af57c451410d /drivers/gpu/drm/i915/intel_display.c | |
| parent | a311b0b5d2094029dce2369d686044131e19e006 (diff) | |
| download | linux-stable-a600622c09ddf7da660ca714d5644ecf270426fc.tar.gz linux-stable-a600622c09ddf7da660ca714d5644ecf270426fc.tar.bz2 linux-stable-a600622c09ddf7da660ca714d5644ecf270426fc.zip | |
drm/i915/dp: Disable DSC in source by disabling DSS CTL bits
1. Disable Left/right VDSC branch in DSS Ctrl reg
depending on the number of VDSC engines being used
2. Disable joiner in DSS Ctrl reg
v4:
* Remove encoder, make crtc_state const (Ville)
v3 (From Manasi):
* Add Disable PG2 for VDSC on eDP
v2 (From Manasi):
* Use old_crtc_state to find dsc params
* Add a condition to disable only if
dsc state compression is enabled
* Use correct DSS CTL regs
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Gaurav K Singh <gaurav.k.singh@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181128202628.20238-12-manasi.d.navare@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index f3ba04562cbd..789f647bd598 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5923,6 +5923,8 @@ static void haswell_crtc_disable(struct intel_crtc_state *old_crtc_state, if (!transcoder_is_dsi(cpu_transcoder)) intel_ddi_disable_transcoder_func(old_crtc_state); + intel_dsc_disable(old_crtc_state); + if (INTEL_GEN(dev_priv) >= 9) skylake_scaler_disable(intel_crtc); else |