From 73ddd8b0decee444a57f10a11f05deebba686649 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri, 27 Jul 2012 11:43:00 +0000
Subject: sna/gen4: Further refinement to the GT allocation

Still hunting for why gen4 fails utterly.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
diff --git a/src/sna/gen4_render.c b/src/sna/gen4_render.c
index 25229e1..1a860bd 100644
--- a/src/sna/gen4_render.c
+++ b/src/sna/gen4_render.c
@@ -79,8 +79,8 @@
 #define URB_CS_ENTRY_SIZE     1
 #define URB_CS_ENTRIES	      0
 
-#define URB_VS_ENTRY_SIZE     1	// each 512-bit row
-#define URB_VS_ENTRIES	      32	// we needs at least 8 entries
+#define URB_VS_ENTRY_SIZE     1
+#define URB_VS_ENTRIES	      32
 
 #define URB_GS_ENTRY_SIZE     0
 #define URB_GS_ENTRIES	      0
@@ -89,25 +89,24 @@
 #define URB_CLIP_ENTRIES      0
 
 #define URB_SF_ENTRY_SIZE     2
-#define URB_SF_ENTRIES	      8
+#define URB_SF_ENTRIES	      64
 
 /*
  * this program computes dA/dx and dA/dy for the texture coordinates along
  * with the base texture coordinate. It was extracted from the Mesa driver
  */
 
-#define SF_KERNEL_NUM_GRF  16
-
-#define PS_KERNEL_NUM_GRF   32
+#define SF_KERNEL_NUM_GRF 16
+#define PS_KERNEL_NUM_GRF 32
 
 static const struct gt_info {
 	uint32_t max_sf_threads;
 	uint32_t max_wm_threads;
 	uint32_t urb_size;
 } gen4_gt_info = {
-	16, 32, 256,
+	24, 32, 256,
 }, g4x_gt_info = {
-	32, 50, 384,
+	24, 50, 384,
 };
 
 static const uint32_t sf_kernel[][4] = {
@@ -1455,10 +1454,10 @@ gen4_emit_state(struct sna *sna,
 		const struct sna_composite_op *op,
 		uint16_t wm_binding_table)
 {
+	gen4_emit_drawing_rectangle(sna, op);
 	gen4_emit_binding_table(sna, wm_binding_table);
 	gen4_emit_pipelined_pointers(sna, op, op->op, op->u.gen4.wm_kernel);
 	gen4_emit_vertex_elements(sna, op);
-	gen4_emit_drawing_rectangle(sna, op);
 
 	if (kgem_bo_is_dirty(op->src.bo) || kgem_bo_is_dirty(op->mask.bo)) {
 		DBG(("%s: flushing dirty (%d, %d)\n", __FUNCTION__,
--
cgit v0.9.0.2-2-gbebe
From fb385745a2347f8966765567e78229d67ddc8d60 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri, 27 Jul 2012 12:24:04 +0000
Subject: sna/gen4: Move the common vertex_offset==0 check into the flush()

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
diff --git a/src/sna/gen4_render.c b/src/sna/gen4_render.c
index 1a860bd..58d4422 100644
--- a/src/sna/gen4_render.c
+++ b/src/sna/gen4_render.c
@@ -338,7 +338,8 @@ static void gen4_magic_ca_pass(struct sna *sna,
 
 static void gen4_vertex_flush(struct sna *sna)
 {
-	assert(sna->render_state.gen4.vertex_offset);
+	if (sna->render_state.gen4.vertex_offset == 0)
+		return;
 
 	DBG(("%s[%x] = %d\n", __FUNCTION__,
 	     4*sna->render_state.gen4.vertex_offset,
@@ -359,8 +360,7 @@ static int gen4_vertex_finish(struct sna *sna)
 
 	bo = sna->render.vbo;
 	if (bo) {
-		if (sna->render_state.gen4.vertex_offset)
-			gen4_vertex_flush(sna);
+		gen4_vertex_flush(sna);
 
 		for (i = 0; i < ARRAY_SIZE(sna->render.vertex_reloc); i++) {
 			if (sna->render.vertex_reloc[i]) {
@@ -1783,8 +1783,7 @@ gen4_render_video(struct sna *sna,
 	}
 	priv->clear = false;
 
-	if (sna->render_state.gen4.vertex_offset)
-		gen4_vertex_flush(sna);
+	gen4_vertex_flush(sna);
 	return true;
 }
 
@@ -2693,8 +2692,7 @@ fastcall static void
 gen4_render_composite_spans_done(struct sna *sna,
 				 const struct sna_composite_spans_op *op)
 {
-	if (sna->render_state.gen4.vertex_offset)
-		gen4_vertex_flush(sna);
+	gen4_vertex_flush(sna);
 
 	DBG(("%s()\n", __FUNCTION__));
 
@@ -3072,8 +3070,7 @@ gen4_render_copy_blt(struct sna *sna,
 static void
 gen4_render_copy_done(struct sna *sna, const struct sna_copy_op *op)
 {
-	if (sna->render_state.gen4.vertex_offset)
-		gen4_vertex_flush(sna);
+	gen4_vertex_flush(sna);
 }
 
 static bool
@@ -3366,8 +3363,7 @@ gen4_render_fill_op_boxes(struct sna *sna,
 static void
 gen4_render_fill_op_done(struct sna *sna, const struct sna_fill_op *op)
 {
-	if (sna->render_state.gen4.vertex_offset)
-		gen4_vertex_flush(sna);
+	gen4_vertex_flush(sna);
 	kgem_bo_destroy(&sna->kgem, op->base.src.bo);
 }
 
--
cgit v0.9.0.2-2-gbebe