From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Pull the code to calculate the SKL plane control register value into
a separate function. Allows us to pre-compute it in the future.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 38 ++++++++++++++++++++++++------------
1 file changed, 26 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 010e5ddb198a..6ddf5c90d15c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3335,6 +3335,31 @@ u32 skl_plane_ctl_rotation(unsigned int rotation)
return 0;
}
+static u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state,
+ const struct intel_plane_state *plane_state)
+{
+ struct drm_i915_private *dev_priv =
+ to_i915(plane_state->base.plane->dev);
+ const struct drm_framebuffer *fb = plane_state->base.fb;
+ unsigned int rotation = plane_state->base.rotation;
+ u32 plane_ctl;
+
+ plane_ctl = PLANE_CTL_ENABLE;
+
+ if (!IS_GEMINILAKE(dev_priv)) {
+ plane_ctl |=
+ PLANE_CTL_PIPE_GAMMA_ENABLE |
+ PLANE_CTL_PIPE_CSC_ENABLE |
+ PLANE_CTL_PLANE_GAMMA_DISABLE;
+ }
+
+ plane_ctl |= skl_plane_ctl_format(fb->format->format);
+ plane_ctl |= skl_plane_ctl_tiling(fb->modifier);
+ plane_ctl |= skl_plane_ctl_rotation(rotation);
+
+ return plane_ctl;
+}
+
static void skylake_update_primary_plane(struct drm_plane *plane,
const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
@@ -3360,18 +3385,7 @@ static void skylake_update_primary_plane(struct drm_plane *plane,
int dst_h = drm_rect_height(&plane_state->base.dst);
unsigned long irqflags;
- plane_ctl = PLANE_CTL_ENABLE;
-
- if (!IS_GEMINILAKE(dev_priv)) {
- plane_ctl |=
- PLANE_CTL_PIPE_GAMMA_ENABLE |
- PLANE_CTL_PIPE_CSC_ENABLE |
- PLANE_CTL_PLANE_GAMMA_DISABLE;
- }
-
- plane_ctl |= skl_plane_ctl_format(fb->format->format);
- plane_ctl |= skl_plane_ctl_tiling(fb->modifier);
- plane_ctl |= skl_plane_ctl_rotation(rotation);
+ plane_ctl = skl_plane_ctl(crtc_state, plane_state);
/* Sizes are 0 based */
src_w--;
--
2.10.2
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