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disp: msm: sde: adjust intf timing for widebus

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From Lahaina onwards, widebus is enabled for compressed DSI stream.
This change adjusts interface timing parameters to account for widebus.

Change-Id: Ie6b739ed2cdb515064e3a94404b3e0fe07755d7e
Signed-off-by: Rajkumar Subbiah <rsubbia@codeaurora.org>
This commit is contained in:
Rajkumar Subbiah
2020-03-03 17:33:42 -05:00
parent 50e358b5e5
commit c0d4857a81
7 changed files with 160 additions and 72 deletions
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34
msm/sde/sde_encoder_phys_vid.c
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@@ -78,17 +78,8 @@ static void drm_mode_to_intf_timing_params(
* <----------------- [hv]sync_end ------->
* <---------------------------- [hv]total ------------->
*/
timing->width = mode->hdisplay; /* active width */
if (phys_enc->hw_intf->cap->type != INTF_DP) {
if ((vid_enc->base.comp_type == MSM_DISPLAY_COMPRESSION_DSC) ||
(vid_enc->base.comp_type ==
MSM_DISPLAY_COMPRESSION_VDC))
timing->width = DIV_ROUND_UP(timing->width,
vid_enc->base.comp_ratio);
}
timing->poms_align_vsync = phys_enc->poms_align_vsync;
timing->width = mode->hdisplay; /* active width */
timing->height = mode->vdisplay; /* active height */
timing->xres = timing->width;
timing->yres = timing->height;
@@ -104,8 +95,11 @@ static void drm_mode_to_intf_timing_params(
timing->underflow_clr = 0xff;
timing->hsync_skew = mode->hskew;
timing->v_front_porch_fixed = vid_enc->base.vfp_cached;
if (vid_enc->base.comp_type != MSM_DISPLAY_COMPRESSION_NONE)
if (vid_enc->base.comp_type != MSM_DISPLAY_COMPRESSION_NONE) {
timing->compression_en = true;
timing->dce_bytes_per_line = vid_enc->base.dce_bytes_per_line;
}
/* DSI controller cannot handle active-low sync signals. */
if (phys_enc->hw_intf->cap->type == INTF_DSI) {
@@ -122,7 +116,7 @@ static void drm_mode_to_intf_timing_params(
timing->v_front_porch = 0;
}
timing->wide_bus_en = vid_enc->base.wide_bus_en;
timing->wide_bus_en = sde_encoder_is_widebus_enabled(phys_enc->parent);
/*
* for DP, divide the horizonal parameters by 2 when
@@ -148,6 +142,22 @@ static void drm_mode_to_intf_timing_params(
}
}
/*
* for DSI, if compression is enabled, then divide the horizonal active
* timing parameters by compression ratio.
*/
if ((phys_enc->hw_intf->cap->type != INTF_DP) &&
((vid_enc->base.comp_type ==
MSM_DISPLAY_COMPRESSION_DSC) ||
(vid_enc->base.comp_type ==
MSM_DISPLAY_COMPRESSION_VDC))) {
// adjust active dimensions
timing->width = DIV_ROUND_UP(timing->width,
vid_enc->base.comp_ratio);
timing->xres = DIV_ROUND_UP(timing->xres,
vid_enc->base.comp_ratio);
}
/*
* For edp only:
* DISPLAY_V_START = (VBP * HCYCLE) + HBP