[7/9] drm/i915/dsc: move slice height calculation to encoder
diff mbox series

Message ID 93c46390a9b4f1c79ce22a5584ea17e6d21e6c06.1573227240.git.jani.nikula@intel.com
State New
Headers show
Series
  • drm/i915/dsi: enable DSC
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Commit Message

Jani Nikula Nov. 8, 2019, 3:39 p.m. UTC
Turns out this isn't compatible with DSI.

Cc: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@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(-)

Patch
diff mbox series

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;