From 3322416de44f27974edaba2aee8b2d2d21de6a8f Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Mon, 11 Oct 2010 16:20:56 +1000
Subject: [PATCH] r600g: don't run with scissors.

This could probably be done much nicer, I've spent a day chasing
a coherency problem in the kernel, that turned out to be incorrect
scissor setup.
---
 src/gallium/drivers/r600/evergreen_state.c | 45 +++++++++++++++++++++
 src/gallium/drivers/r600/r600_state.c      | 47 ++++++++++++++++++++++
 2 files changed, 92 insertions(+)

diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index 323509f6402..99085647a75 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -899,6 +899,51 @@ static void evergreen_set_framebuffer_state(struct pipe_context *ctx,
 	r600_pipe_state_add_reg(rstate,
 				R_028254_PA_SC_VPORT_SCISSOR_0_BR, br,
 				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028030_PA_SC_SCREEN_SCISSOR_TL, tl,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028034_PA_SC_SCREEN_SCISSOR_BR, br,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028204_PA_SC_WINDOW_SCISSOR_TL, tl,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028208_PA_SC_WINDOW_SCISSOR_BR, br,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028210_PA_SC_CLIPRECT_0_TL, tl,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028214_PA_SC_CLIPRECT_0_BR, br,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028218_PA_SC_CLIPRECT_1_TL, tl,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_02821C_PA_SC_CLIPRECT_1_BR, br,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028220_PA_SC_CLIPRECT_2_TL, tl,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028224_PA_SC_CLIPRECT_2_BR, br,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028228_PA_SC_CLIPRECT_3_TL, tl,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_02822C_PA_SC_CLIPRECT_3_BR, br,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028200_PA_SC_WINDOW_OFFSET, 0x00000000,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_02820C_PA_SC_CLIPRECT_RULE, 0x0000FFFF,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028230_PA_SC_EDGERULE, 0xAAAAAAAA,
+				0xFFFFFFFF, NULL);
 
 	r600_pipe_state_add_reg(rstate, R_028238_CB_TARGET_MASK,
 				0x00000000, target_mask, NULL);
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index 29d9d154a24..a2a76cdeb75 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -1074,6 +1074,18 @@ static void r600_set_framebuffer_state(struct pipe_context *ctx,
 	tl = S_028240_TL_X(0) | S_028240_TL_Y(0) | S_028240_WINDOW_OFFSET_DISABLE(1);
 	br = S_028244_BR_X(state->width) | S_028244_BR_Y(state->height);
 
+	r600_pipe_state_add_reg(rstate,
+				R_028030_PA_SC_SCREEN_SCISSOR_TL, tl,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028034_PA_SC_SCREEN_SCISSOR_BR, br,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028204_PA_SC_WINDOW_SCISSOR_TL, tl,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028208_PA_SC_WINDOW_SCISSOR_BR, br,
+				0xFFFFFFFF, NULL);
 	r600_pipe_state_add_reg(rstate,
 				R_028240_PA_SC_GENERIC_SCISSOR_TL, tl,
 				0xFFFFFFFF, NULL);
@@ -1086,6 +1098,41 @@ static void r600_set_framebuffer_state(struct pipe_context *ctx,
 	r600_pipe_state_add_reg(rstate,
 				R_028254_PA_SC_VPORT_SCISSOR_0_BR, br,
 				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028210_PA_SC_CLIPRECT_0_TL, tl,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028214_PA_SC_CLIPRECT_0_BR, br,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028218_PA_SC_CLIPRECT_1_TL, tl,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_02821C_PA_SC_CLIPRECT_1_BR, br,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028220_PA_SC_CLIPRECT_2_TL, tl,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028224_PA_SC_CLIPRECT_2_BR, br,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028228_PA_SC_CLIPRECT_3_TL, tl,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_02822C_PA_SC_CLIPRECT_3_BR, br,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_028200_PA_SC_WINDOW_OFFSET, 0x00000000,
+				0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(rstate,
+				R_02820C_PA_SC_CLIPRECT_RULE, 0x0000FFFF,
+				0xFFFFFFFF, NULL);
+	if (rctx->family >= CHIP_RV770) {
+		r600_pipe_state_add_reg(rstate,
+					R_028230_PA_SC_EDGERULE, 0xAAAAAAAA,
+					0xFFFFFFFF, NULL);
+	}
 
 	r600_pipe_state_add_reg(rstate, R_0287A0_CB_SHADER_CONTROL,
 				shader_control, 0xFFFFFFFF, NULL);
-- 
2.30.2