Turns out this isn't compatible with DSI.
Cc: Manasi Navare <manasi.d.nav...@intel.com>
Signed-off-by: Jani Nikula <jani.nik...@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 12 ++++++++++++
drivers/gpu/drm/i915/display/intel_vdsc.c | 11 -----------
2 files changed, 12 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c
b/drivers/gpu/drm/i915/display/intel_dp.c
index b38a49db80e3..631d6d623e29 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2060,6 +2060,18 @@ static int intel_dp_dsc_compute_params(struct
intel_encoder *encoder,
if (ret)
return ret;
+ /*
+ * Slice Height of 8 works for all currently available panels. So start
+ * with that if pic_height is an integral multiple of 8.
+ * Eventually add logic to try multiple slice heights.
+ */
+ if (vdsc_cfg->pic_height % 8 == 0)
+ vdsc_cfg->slice_height = 8;
+ else if (vdsc_cfg->pic_height % 4 == 0)
+ vdsc_cfg->slice_height = 4;
+ else
+ vdsc_cfg->slice_height = 2;
+
vdsc_cfg->dsc_version_major =
(intel_dp->dsc_dpcd[DP_DSC_REV - DP_DSC_SUPPORT] &
DP_DSC_MAJOR_MASK) >> DP_DSC_MAJOR_SHIFT;
diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c
b/drivers/gpu/drm/i915/display/intel_vdsc.c
index 834d665a47d2..c53024dfb1ec 100644
--- a/drivers/gpu/drm/i915/display/intel_vdsc.c
+++ b/drivers/gpu/drm/i915/display/intel_vdsc.c
@@ -345,17 +345,6 @@ int intel_dsc_compute_params(struct intel_encoder *encoder,
vdsc_cfg->pic_height = pipe_config->hw.adjusted_mode.crtc_vdisplay;
vdsc_cfg->slice_width = DIV_ROUND_UP(vdsc_cfg->pic_width,
pipe_config->dsc.slice_count);
- /*
- * Slice Height of 8 works for all currently available panels. So start
- * with that if pic_height is an integral multiple of 8.
- * Eventually add logic to try multiple slice heights.
- */
- if (vdsc_cfg->pic_height % 8 == 0)
- vdsc_cfg->slice_height = 8;
- else if (vdsc_cfg->pic_height % 4 == 0)
- vdsc_cfg->slice_height = 4;
- else
- vdsc_cfg->slice_height = 2;
/* Gen 11 does not support YCbCr */
vdsc_cfg->simple_422 = false;
--
2.20.1
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