diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 18 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_vrr.c | 10 |
2 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 6855848ebe8c..c540e2cae1f0 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -2698,6 +2698,15 @@ static void intel_set_transcoder_timings(const struct intel_crtc_state *crtc_sta HSYNC_START(adjusted_mode->crtc_hsync_start - 1) | HSYNC_END(adjusted_mode->crtc_hsync_end - 1)); + /* + * For platforms that always use VRR Timing Generator, the VTOTAL.Vtotal + * bits are not required. Since the support for these bits is going to + * be deprecated in upcoming platforms, avoid writing these bits for the + * platforms that do not use legacy Timing Generator. + */ + if (intel_vrr_always_use_vrr_tg(display)) + crtc_vtotal = 1; + intel_de_write(display, TRANS_VTOTAL(display, cpu_transcoder), VACTIVE(crtc_vdisplay - 1) | VTOTAL(crtc_vtotal - 1)); @@ -2759,6 +2768,15 @@ static void intel_set_transcoder_timings_lrr(const struct intel_crtc_state *crtc VBLANK_START(crtc_vblank_start - 1) | VBLANK_END(crtc_vblank_end - 1)); /* + * For platforms that always use VRR Timing Generator, the VTOTAL.Vtotal + * bits are not required. Since the support for these bits is going to + * be deprecated in upcoming platforms, avoid writing these bits for the + * platforms that do not use legacy Timing Generator. + */ + if (intel_vrr_always_use_vrr_tg(display)) + crtc_vtotal = 1; + + /* * The double buffer latch point for TRANS_VTOTAL * is the transcoder's undelayed vblank. */ diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c index 414f93851059..7359d66fc091 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -708,6 +708,16 @@ void intel_vrr_get_config(struct intel_crtc_state *crtc_state) crtc_state->vrr.vmin = intel_de_read(display, TRANS_VRR_VMIN(display, cpu_transcoder)) + 1; + /* + * For platforms that always use VRR Timing Generator, the VTOTAL.Vtotal + * bits are not filled. Since for these platforms TRAN_VMIN is always + * filled with crtc_vtotal, use TRAN_VRR_VMIN to get the vtotal for + * adjusted_mode. + */ + if (intel_vrr_always_use_vrr_tg(display)) + crtc_state->hw.adjusted_mode.crtc_vtotal = + intel_vrr_vmin_vtotal(crtc_state); + if (HAS_AS_SDP(display)) { trans_vrr_vsync = intel_de_read(display, |