drm/msm/sde: add OT support for source pipe and writeback
OT limit controls the number of outstanding requests on bus client
interface. This patch adds OT limit control for source pipe and
writeback bus clients.
Change-Id: I66c0ede9da3b292538fec83ba62ccd453ee1ec37
Signed-off-by: Alan Kwong <akwong@codeaurora.org>
diff --git a/drivers/gpu/drm/msm/sde/sde_encoder_phys_wb.c b/drivers/gpu/drm/msm/sde/sde_encoder_phys_wb.c
index e325190..0fc33a0 100644
--- a/drivers/gpu/drm/msm/sde/sde_encoder_phys_wb.c
+++ b/drivers/gpu/drm/msm/sde/sde_encoder_phys_wb.c
@@ -51,6 +51,31 @@
}
/**
+ * sde_encoder_phys_wb_set_ot_limit - set OT limit for writeback interface
+ * @phys_enc: Pointer to physical encoder
+ */
+static void sde_encoder_phys_wb_set_ot_limit(
+ struct sde_encoder_phys *phys_enc)
+{
+ struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc);
+ struct sde_hw_wb *hw_wb = wb_enc->hw_wb;
+ struct sde_vbif_set_ot_params ot_params;
+
+ memset(&ot_params, 0, sizeof(ot_params));
+ ot_params.xin_id = hw_wb->caps->xin_id;
+ ot_params.num = hw_wb->idx - WB_0;
+ ot_params.width = wb_enc->wb_roi.w;
+ ot_params.height = wb_enc->wb_roi.h;
+ ot_params.is_wfd = true;
+ ot_params.frame_rate = phys_enc->cached_mode.vrefresh;
+ ot_params.vbif_idx = hw_wb->caps->vbif_idx;
+ ot_params.clk_ctrl = hw_wb->caps->clk_ctrl;
+ ot_params.rd = false;
+
+ sde_vbif_set_ot_limit(phys_enc->sde_kms, &ot_params);
+}
+
+/**
* sde_encoder_phys_wb_set_traffic_shaper - set traffic shaper for writeback
* @phys_enc: Pointer to physical encoder
*/
@@ -438,6 +463,8 @@
SDE_DEBUG("[fb_fmt:%x,%llx]\n", fb->pixel_format,
fb->modifier[0]);
+ sde_encoder_phys_wb_set_ot_limit(phys_enc);
+
sde_encoder_phys_wb_set_traffic_shaper(phys_enc);
sde_encoder_phys_setup_cdm(phys_enc, fb, wb_enc->wb_fmt, wb_roi);