[Intel-gfx] [PATCH v2 2/5] drm/i915: Make skl+ universal plane registers unlocked
Ville Syrjala
ville.syrjala at linux.intel.com
Thu Feb 10 06:24:00 UTC 2022
From: Ville Syrjälä <ville.syrjala at linux.intel.com>
Drop the locks around most universal plane register writes.
The lock isn't needed since each plane's register are neatly
contained on their own cachelines.
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
.../drm/i915/display/skl_universal_plane.c | 35 -------------------
1 file changed, 35 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index 5b1b089e045d..db9e31c12169 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -615,16 +615,11 @@ skl_plane_disable_arm(struct intel_plane *plane,
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum plane_id plane_id = plane->id;
enum pipe pipe = plane->pipe;
- unsigned long irqflags;
-
- spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
skl_write_plane_wm(plane, crtc_state);
intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), 0);
intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id), 0);
-
- spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static void
@@ -634,9 +629,6 @@ icl_plane_disable_arm(struct intel_plane *plane,
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum plane_id plane_id = plane->id;
enum pipe pipe = plane->pipe;
- unsigned long irqflags;
-
- spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
if (icl_is_hdr_plane(dev_priv, plane_id))
intel_de_write_fw(dev_priv, PLANE_CUS_CTL(pipe, plane_id), 0);
@@ -646,8 +638,6 @@ icl_plane_disable_arm(struct intel_plane *plane,
intel_psr2_disable_plane_sel_fetch(plane, crtc_state);
intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), 0);
intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id), 0);
-
- spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static bool
@@ -1106,7 +1096,6 @@ skl_plane_update_noarm(struct intel_plane *plane,
int crtc_y = plane_state->uapi.dst.y1;
u32 src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
u32 src_h = drm_rect_height(&plane_state->uapi.src) >> 16;
- unsigned long irqflags;
/* The scaler will handle the output position */
if (plane_state->scaler_id >= 0) {
@@ -1114,8 +1103,6 @@ skl_plane_update_noarm(struct intel_plane *plane,
crtc_y = 0;
}
- spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
-
intel_de_write_fw(dev_priv, PLANE_STRIDE(pipe, plane_id),
PLANE_STRIDE_(stride));
intel_de_write_fw(dev_priv, PLANE_POS(pipe, plane_id),
@@ -1124,8 +1111,6 @@ skl_plane_update_noarm(struct intel_plane *plane,
PLANE_HEIGHT(src_h - 1) | PLANE_WIDTH(src_w - 1));
skl_write_plane_wm(plane, crtc_state);
-
- spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static void
@@ -1139,7 +1124,6 @@ skl_plane_update_arm(struct intel_plane *plane,
u32 x = plane_state->view.color_plane[0].x;
u32 y = plane_state->view.color_plane[0].y;
u32 plane_ctl, plane_color_ctl = 0;
- unsigned long irqflags;
plane_ctl = plane_state->ctl |
skl_plane_ctl_crtc(crtc_state);
@@ -1148,8 +1132,6 @@ skl_plane_update_arm(struct intel_plane *plane,
plane_color_ctl = plane_state->color_ctl |
glk_plane_color_ctl_crtc(crtc_state);
- spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
-
intel_de_write_fw(dev_priv, PLANE_KEYVAL(pipe, plane_id), skl_plane_keyval(plane_state));
intel_de_write_fw(dev_priv, PLANE_KEYMSK(pipe, plane_id), skl_plane_keymsk(plane_state));
intel_de_write_fw(dev_priv, PLANE_KEYMAX(pipe, plane_id), skl_plane_keymax(plane_state));
@@ -1185,8 +1167,6 @@ skl_plane_update_arm(struct intel_plane *plane,
intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), plane_ctl);
intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id),
skl_plane_surf(plane_state, 0));
-
- spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static void
@@ -1207,7 +1187,6 @@ icl_plane_update_noarm(struct intel_plane *plane,
int src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
int src_h = drm_rect_height(&plane_state->uapi.src) >> 16;
u32 plane_color_ctl;
- unsigned long irqflags;
plane_color_ctl = plane_state->color_ctl |
glk_plane_color_ctl_crtc(crtc_state);
@@ -1218,8 +1197,6 @@ icl_plane_update_noarm(struct intel_plane *plane,
crtc_y = 0;
}
- spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
-
intel_de_write_fw(dev_priv, PLANE_STRIDE(pipe, plane_id),
PLANE_STRIDE_(stride));
intel_de_write_fw(dev_priv, PLANE_POS(pipe, plane_id),
@@ -1263,8 +1240,6 @@ icl_plane_update_noarm(struct intel_plane *plane,
icl_plane_csc_load_black(plane);
intel_psr2_program_plane_sel_fetch(plane, crtc_state, plane_state, color_plane);
-
- spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static void
@@ -1277,13 +1252,10 @@ icl_plane_update_arm(struct intel_plane *plane,
enum pipe pipe = plane->pipe;
int color_plane = icl_plane_color_plane(plane_state);
u32 plane_ctl;
- unsigned long irqflags;
plane_ctl = plane_state->ctl |
skl_plane_ctl_crtc(crtc_state);
- spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
-
/*
* Enable the scaler before the plane so that we don't
* get a catastrophic underrun even if the two operations
@@ -1302,8 +1274,6 @@ icl_plane_update_arm(struct intel_plane *plane,
intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), plane_ctl);
intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id),
skl_plane_surf(plane_state, color_plane));
-
- spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static void
@@ -1313,7 +1283,6 @@ skl_plane_async_flip(struct intel_plane *plane,
bool async_flip)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
- unsigned long irqflags;
enum plane_id plane_id = plane->id;
enum pipe pipe = plane->pipe;
u32 plane_ctl = plane_state->ctl;
@@ -1323,13 +1292,9 @@ skl_plane_async_flip(struct intel_plane *plane,
if (async_flip)
plane_ctl |= PLANE_CTL_ASYNC_FLIP;
- spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
-
intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), plane_ctl);
intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id),
skl_plane_surf(plane_state, 0));
-
- spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static bool intel_format_is_p01x(u32 format)
--
2.34.1
More information about the Intel-gfx
mailing list