diff options
| author | Jonathan Marek <jonathan@marek.ca> | 2020-07-11 03:47:29 +0300 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2020-07-31 16:46:16 +0300 |
| commit | fc3a69ec68d37dabaa0c2044197a01c4db7c8046 (patch) | |
| tree | 113677f92ba3c427359edfedc4bda644a6b831df | |
| parent | 4376f2e5087d196a274952dadfdcc20abc874425 (diff) | |
| download | linux-fc3a69ec68d37dabaa0c2044197a01c4db7c8046.tar.xz | |
drm/msm/dpu: intf timing path for displayport
Calculate the correct timings for displayport, from downstream driver.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Signed-off-by: Rob Clark <robdclark@chromium.org>
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c index 64f556d693dd..6f0f54588124 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c @@ -107,11 +107,6 @@ static void dpu_hw_intf_setup_timing_engine(struct dpu_hw_intf *ctx, display_v_end = ((vsync_period - p->v_front_porch) * hsync_period) + p->hsync_skew - 1; - if (ctx->cap->type == INTF_EDP || ctx->cap->type == INTF_DP) { - display_v_start += p->hsync_pulse_width + p->h_back_porch; - display_v_end -= p->h_front_porch; - } - hsync_start_x = p->h_back_porch + p->hsync_pulse_width; hsync_end_x = hsync_period - p->h_front_porch - 1; @@ -144,10 +139,25 @@ static void dpu_hw_intf_setup_timing_engine(struct dpu_hw_intf *ctx, hsync_ctl = (hsync_period << 16) | p->hsync_pulse_width; display_hctl = (hsync_end_x << 16) | hsync_start_x; + if (ctx->cap->type == INTF_EDP || ctx->cap->type == INTF_DP) { + active_h_start = hsync_start_x; + active_h_end = active_h_start + p->xres - 1; + active_v_start = display_v_start; + active_v_end = active_v_start + (p->yres * hsync_period) - 1; + + display_v_start += p->hsync_pulse_width + p->h_back_porch; + + active_hctl = (active_h_end << 16) | active_h_start; + display_hctl = active_hctl; + } + den_polarity = 0; if (ctx->cap->type == INTF_HDMI) { hsync_polarity = p->yres >= 720 ? 0 : 1; vsync_polarity = p->yres >= 720 ? 0 : 1; + } else if (ctx->cap->type == INTF_DP) { + hsync_polarity = p->hsync_polarity; + vsync_polarity = p->vsync_polarity; } else { hsync_polarity = 0; vsync_polarity = 0; |