[PATCH 1/2] drm/i915: Replace initial plane_config.tiling with fb modifier

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When determining the initial plane config we set the same information in
both the framebuffer (fb.modifier[0]) and in plane_config.tiling.
Ultimately, we only need the information in the framebuffer so remove
the redundant copy from plane_config.tiling

Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/intel_display.c | 23 +++++++----------------
 drivers/gpu/drm/i915/intel_drv.h     |  1 -
 2 files changed, 7 insertions(+), 17 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d61c264d5a37..e363a68d97ed 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2700,7 +2700,7 @@ intel_alloc_initial_plane_obj(struct intel_crtc *crtc,
 		return false;
 	}
 
-	if (plane_config->tiling == I915_TILING_X)
+	if (fb->modifier[0] == I915_FORMAT_MOD_X_TILED)
 		obj->tiling_and_stride = fb->pitches[0] | I915_TILING_X;
 
 	mode_cmd.pixel_format = fb->pixel_format;
@@ -8730,12 +8730,8 @@ i9xx_get_initial_plane_config(struct intel_crtc *crtc,
 
 	fb = &intel_fb->base;
 
-	if (INTEL_INFO(dev)->gen >= 4) {
-		if (val & DISPPLANE_TILED) {
-			plane_config->tiling = I915_TILING_X;
-			fb->modifier[0] = I915_FORMAT_MOD_X_TILED;
-		}
-	}
+	if (INTEL_GEN(dev) >= 4 && val & DISPPLANE_TILED)
+		fb->modifier[0] = I915_FORMAT_MOD_X_TILED;
 
 	pixel_format = val & DISPPLANE_PIXFORMAT_MASK;
 	fourcc = i9xx_format_to_fourcc(pixel_format);
@@ -8743,7 +8739,7 @@ i9xx_get_initial_plane_config(struct intel_crtc *crtc,
 	fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8;
 
 	if (INTEL_INFO(dev)->gen >= 4) {
-		if (plane_config->tiling)
+		if (fb->modifier[0] == I915_FORMAT_MOD_X_TILED)
 			offset = I915_READ(DSPTILEOFF(plane));
 		else
 			offset = I915_READ(DSPLINOFF(plane));
@@ -9756,7 +9752,6 @@ skylake_get_initial_plane_config(struct intel_crtc *crtc,
 		fb->modifier[0] = DRM_FORMAT_MOD_NONE;
 		break;
 	case PLANE_CTL_TILED_X:
-		plane_config->tiling = I915_TILING_X;
 		fb->modifier[0] = I915_FORMAT_MOD_X_TILED;
 		break;
 	case PLANE_CTL_TILED_Y:
@@ -9851,12 +9846,8 @@ ironlake_get_initial_plane_config(struct intel_crtc *crtc,
 
 	fb = &intel_fb->base;
 
-	if (INTEL_INFO(dev)->gen >= 4) {
-		if (val & DISPPLANE_TILED) {
-			plane_config->tiling = I915_TILING_X;
-			fb->modifier[0] = I915_FORMAT_MOD_X_TILED;
-		}
-	}
+	if (INTEL_GEN(dev) >= 4 && val & DISPPLANE_TILED)
+		fb->modifier[0] = I915_FORMAT_MOD_X_TILED;
 
 	pixel_format = val & DISPPLANE_PIXFORMAT_MASK;
 	fourcc = i9xx_format_to_fourcc(pixel_format);
@@ -9867,7 +9858,7 @@ ironlake_get_initial_plane_config(struct intel_crtc *crtc,
 	if (IS_HASWELL(dev) || IS_BROADWELL(dev)) {
 		offset = I915_READ(DSPOFFSET(pipe));
 	} else {
-		if (plane_config->tiling)
+		if (fb->modifier[0] == I915_FORMAT_MOD_X_TILED)
 			offset = I915_READ(DSPTILEOFF(pipe));
 		else
 			offset = I915_READ(DSPLINOFF(pipe));
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 37cad7c779b3..3ee156aab938 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -400,7 +400,6 @@ struct intel_plane_state {
 
 struct intel_initial_plane_config {
 	struct intel_framebuffer *fb;
-	unsigned int tiling;
 	int size;
 	u32 base;
 };
-- 
2.9.3

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