From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Split g4x_compute_pipe_wm() into two halves. The first half computes
the new raw watermarks, and the second half munges those up into real
watermarks for the particular pipe.
We can reuse the second half for watermark sanitation as well.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_pm.c | 52 +++++++++++++++++++--------------
1 file changed, 30 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 990ee5a590d3..59a22e1ee5bf 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -1366,34 +1366,14 @@ static bool g4x_compute_fbc_en(const struct g4x_wm_state *wm_state,
return true;
}
-static int g4x_compute_pipe_wm(struct intel_crtc_state *crtc_state)
+static int _g4x_compute_pipe_wm(struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
- struct intel_atomic_state *state =
- to_intel_atomic_state(crtc_state->uapi.state);
struct g4x_wm_state *wm_state = &crtc_state->wm.g4x.optimal;
u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR);
const struct g4x_pipe_wm *raw;
- const struct intel_plane_state *old_plane_state;
- const struct intel_plane_state *new_plane_state;
- struct intel_plane *plane;
enum plane_id plane_id;
- int i, level;
- unsigned int dirty = 0;
-
- for_each_oldnew_intel_plane_in_state(state, plane,
- old_plane_state,
- new_plane_state, i) {
- if (new_plane_state->hw.crtc != &crtc->base &&
- old_plane_state->hw.crtc != &crtc->base)
- continue;
-
- if (g4x_raw_plane_wm_compute(crtc_state, new_plane_state))
- dirty |= BIT(plane->id);
- }
-
- if (!dirty)
- return 0;
+ int level;
level = G4X_WM_LEVEL_NORMAL;
if (!g4x_raw_crtc_wm_is_valid(crtc_state, level))
@@ -1446,6 +1426,34 @@ static int g4x_compute_pipe_wm(struct intel_crtc_state *crtc_state)
return 0;
}
+static int g4x_compute_pipe_wm(struct intel_crtc_state *crtc_state)
+{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ struct intel_atomic_state *state =
+ to_intel_atomic_state(crtc_state->uapi.state);
+ const struct intel_plane_state *old_plane_state;
+ const struct intel_plane_state *new_plane_state;
+ struct intel_plane *plane;
+ unsigned int dirty = 0;
+ int i;
+
+ for_each_oldnew_intel_plane_in_state(state, plane,
+ old_plane_state,
+ new_plane_state, i) {
+ if (new_plane_state->hw.crtc != &crtc->base &&
+ old_plane_state->hw.crtc != &crtc->base)
+ continue;
+
+ if (g4x_raw_plane_wm_compute(crtc_state, new_plane_state))
+ dirty |= BIT(plane->id);
+ }
+
+ if (!dirty)
+ return 0;
+
+ return _g4x_compute_pipe_wm(crtc_state);
+}
+
static int g4x_compute_intermediate_wm(struct intel_crtc_state *new_crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->uapi.crtc);
--
2.26.3
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