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[v9,7/8] drm/msm/dsi: Use MSM and DRM DSC helper methods

Message ID 20230329-rfc-msm-dsc-helper-v9-7-87daeaec2c0a@quicinc.com
State Superseded
Headers show
Series Introduce MSM-specific DSC helpers | expand

Commit Message

Jessica Zhang May 10, 2023, 10:54 p.m. UTC 
Use MSM and DRM DSC helper methods to configure DSC for DSI.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
---
 drivers/gpu/drm/msm/dsi/dsi_host.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 74d38f90398a..508577c596ff 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -28,6 +28,7 @@ 
 #include "dsi.xml.h"
 #include "sfpb.xml.h"
 #include "dsi_cfg.h"
+#include "msm_dsc_helper.h"
 #include "msm_kms.h"
 #include "msm_gem.h"
 #include "phy/dsi_phy.h"
@@ -848,7 +849,7 @@  static void dsi_update_dsc_timing(struct msm_dsi_host *msm_host, bool is_cmd_mod
 	/* first calculate dsc parameters and then program
 	 * compress mode registers
 	 */
-	slice_per_intf = DIV_ROUND_UP(hdisplay, dsc->slice_width);
+	slice_per_intf = msm_dsc_get_slice_per_intf(dsc, hdisplay);
 
 	/*
 	 * If slice_count is greater than slice_per_intf
@@ -858,7 +859,7 @@  static void dsi_update_dsc_timing(struct msm_dsi_host *msm_host, bool is_cmd_mod
 	if (dsc->slice_count > slice_per_intf)
 		dsc->slice_count = 1;
 
-	total_bytes_per_intf = dsc->slice_chunk_size * slice_per_intf;
+	total_bytes_per_intf = msm_dsc_get_bytes_per_intf(dsc, hdisplay);
 
 	eol_byte_num = total_bytes_per_intf % 3;
 	pkt_per_line = slice_per_intf / dsc->slice_count;
@@ -1759,7 +1760,7 @@  static int dsi_populate_dsc_params(struct msm_dsi_host *msm_host, struct drm_dsc
 		return ret;
 	}
 
-	dsc->initial_scale_value = 32;
+	drm_dsc_set_initial_scale_value(dsc);
 	dsc->line_buf_depth = dsc->bits_per_component + 1;
 
 	return drm_dsc_compute_rc_parameters(dsc);