diff mbox

[13/16] drm/i915: Set initial phase & trip for NV12 scaler

Message ID 1441071321-419-14-git-send-email-chandra.konduru@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Chandra Konduru Sept. 1, 2015, 1:35 a.m. UTC 
This patch sets default initial phase and trip to scale NV12
content. In future, if needed these can be set via properties
or other means depending on incoming stream request. Until then
defaults are fine.

Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
---
 drivers/gpu/drm/i915/intel_display.c |    7 +++++++
 drivers/gpu/drm/i915/intel_sprite.c  |    7 +++++++
 2 files changed, 14 insertions(+)
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 329651e..419660d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3098,6 +3098,7 @@  static void skylake_update_primary_plane(struct drm_crtc *crtc,
 	int scaler_id = -1;
 	u32 aux_dist = 0, aux_x_offset = 0, aux_y_offset = 0, aux_stride = 0;
 	u32 tile_row_adjustment = 0;
+	u32 hphase = 0, vphase = 0;
 
 	plane_state = to_intel_plane_state(plane->state);
 
@@ -3181,6 +3182,9 @@  static void skylake_update_primary_plane(struct drm_crtc *crtc,
 			/* For tile-Yf, uv-subplane tile width is 2x of Y-subplane */
 			aux_stride = fb->modifier[0] == I915_FORMAT_MOD_Yf_TILED ?
 				stride / 2 : stride;
+
+			hphase = 0x00010001;  /* use trip for both Y and UV */
+			vphase = 0x00012000;  /* use trip for Y and phase 0.5 for UV */
 		}
 	}
 	plane_offset = y_offset << 16 | x_offset;
@@ -3209,6 +3213,9 @@  static void skylake_update_primary_plane(struct drm_crtc *crtc,
 		I915_WRITE(PLANE_POS(pipe, 0), (dst_y << 16) | dst_x);
 	}
 
+	I915_WRITE(SKL_PS_HPHASE(pipe, scaler_id), hphase);
+	I915_WRITE(SKL_PS_VPHASE(pipe, scaler_id), vphase);
+
 	I915_WRITE(PLANE_SURF(pipe, 0), surf_addr);
 
 	POSTING_READ(PLANE_SURF(pipe, 0));
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index a1384a7..0ea9273 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -190,6 +190,7 @@  skl_update_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc,
 	int scaler_id;
 	u32 aux_dist = 0, aux_x_offset = 0, aux_y_offset = 0, aux_stride = 0;
 	u32 tile_row_adjustment = 0;
+	u32 hphase = 0, vphase = 0;
 
 	plane_ctl = PLANE_CTL_ENABLE |
 		PLANE_CTL_PIPE_CSC_ENABLE;
@@ -264,6 +265,9 @@  skl_update_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc,
 			/* For tile-Yf, uv-subplane tile width is 2x of Y-subplane */
 			aux_stride = fb->modifier[0] == I915_FORMAT_MOD_Yf_TILED ?
 				stride / 2 : stride;
+
+			hphase = 0x00010001;  /* use trip for both Y and UV */
+			vphase = 0x00012000;  /* use trip for Y and phase 0.5 for UV */
 		}
 	}
 	plane_offset = y_offset << 16 | x_offset;
@@ -292,6 +296,9 @@  skl_update_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc,
 		I915_WRITE(PLANE_POS(pipe, plane), (crtc_y << 16) | crtc_x);
 	}
 
+	I915_WRITE(SKL_PS_HPHASE(pipe, scaler_id), hphase);
+	I915_WRITE(SKL_PS_VPHASE(pipe, scaler_id), vphase);
+
 	I915_WRITE(PLANE_CTL(pipe, plane), plane_ctl);
 	I915_WRITE(PLANE_SURF(pipe, plane), surf_addr);
 	POSTING_READ(PLANE_SURF(pipe, plane));