summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/display/intel_vblank.c10
-rw-r--r--drivers/gpu/drm/i915/display/intel_vblank.h2
-rw-r--r--drivers/gpu/drm/i915/display/skl_watermark.c3
3 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_vblank.c b/drivers/gpu/drm/i915/display/intel_vblank.c
index 0b7fcc05e64c..2fc0c1c0bb87 100644
--- a/drivers/gpu/drm/i915/display/intel_vblank.c
+++ b/drivers/gpu/drm/i915/display/intel_vblank.c
@@ -767,3 +767,13 @@ int intel_vblank_evade(struct intel_vblank_evade_ctx *evade)
return scanline;
}
+
+int intel_crtc_vblank_length(const struct intel_crtc_state *crtc_state)
+{
+ const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
+
+ if (crtc_state->vrr.enable)
+ return crtc_state->vrr.guardband;
+ else
+ return adjusted_mode->crtc_vtotal - adjusted_mode->crtc_vblank_start;
+}
diff --git a/drivers/gpu/drm/i915/display/intel_vblank.h b/drivers/gpu/drm/i915/display/intel_vblank.h
index 21fbb08d61d5..98d04cacd65f 100644
--- a/drivers/gpu/drm/i915/display/intel_vblank.h
+++ b/drivers/gpu/drm/i915/display/intel_vblank.h
@@ -48,4 +48,6 @@ const struct intel_crtc_state *
intel_pre_commit_crtc_state(struct intel_atomic_state *state,
struct intel_crtc *crtc);
+int intel_crtc_vblank_length(const struct intel_crtc_state *crtc_state);
+
#endif /* __INTEL_VBLANK_H__ */
diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c
index 9df9ee137bf9..06e5e6c77d2e 100644
--- a/drivers/gpu/drm/i915/display/skl_watermark.c
+++ b/drivers/gpu/drm/i915/display/skl_watermark.c
@@ -28,6 +28,7 @@
#include "intel_flipq.h"
#include "intel_pcode.h"
#include "intel_plane.h"
+#include "intel_vblank.h"
#include "intel_wm.h"
#include "skl_universal_plane_regs.h"
#include "skl_watermark.h"
@@ -2241,7 +2242,7 @@ skl_is_vblank_too_short(const struct intel_crtc_state *crtc_state,
scaler_prefill_latency(crtc_state) +
dsc_prefill_latency(crtc_state) +
wm0_lines >
- adjusted_mode->crtc_vtotal - adjusted_mode->crtc_vblank_start;
+ intel_crtc_vblank_length(crtc_state);
}
static int skl_max_wm0_lines(const struct intel_crtc_state *crtc_state)