diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/display/vlv_dsi.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c index 160c40596685..3433deb635ef 100644 --- a/drivers/gpu/drm/i915/display/vlv_dsi.c +++ b/drivers/gpu/drm/i915/display/vlv_dsi.c @@ -1019,7 +1019,7 @@ static void bxt_dsi_get_pipe_config(struct intel_encoder *encoder, unsigned int lane_count = intel_dsi->lane_count; unsigned int bpp, fmt; enum port port; - u16 hactive, hfp, hsync, hbp, vfp, vsync; + u16 hactive, hfp, hsync, hbp, vfp, vsync, vbp; u16 hfp_sw, hsync_sw, hbp_sw; u16 crtc_htotal_sw, crtc_hsync_start_sw, crtc_hsync_end_sw, crtc_hblank_start_sw, crtc_hblank_end_sw; @@ -1083,6 +1083,7 @@ static void bxt_dsi_get_pipe_config(struct intel_encoder *encoder, /* vertical values are in terms of lines */ vfp = intel_de_read(display, MIPI_VFP_COUNT(display, port)); + vbp = intel_de_read(display, MIPI_VBP_COUNT(display, port)); vsync = intel_de_read(display, MIPI_VSYNC_PADDING_COUNT(display, port)); adjusted_mode->crtc_htotal = hactive + hfp + hsync + hbp; @@ -1091,6 +1092,8 @@ static void bxt_dsi_get_pipe_config(struct intel_encoder *encoder, adjusted_mode->crtc_hblank_start = adjusted_mode->crtc_hdisplay; adjusted_mode->crtc_hblank_end = adjusted_mode->crtc_htotal; + drm_WARN_ON(display->drm, adjusted_mode->crtc_vdisplay + + vfp + vsync + vbp != adjusted_mode->crtc_vtotal); adjusted_mode->crtc_vsync_start = vfp + adjusted_mode->crtc_vdisplay; adjusted_mode->crtc_vsync_end = vsync + adjusted_mode->crtc_vsync_start; adjusted_mode->crtc_vblank_start = adjusted_mode->crtc_vdisplay; |