From: Marek Olšák <[email protected]>

This is the recommended setting according to hw people and it makes Hyper-Z
stable. Just the two magic states.

This fixes Evergreen, Cayman, SI, CI, VI (using the Cayman code).

Cc: 11.0 11.1 <[email protected]>
---
 src/gallium/drivers/r600/evergreen_state.c |  9 +++++++--
 src/gallium/drivers/radeon/cayman_msaa.c   | 12 +++++++++---
 src/gallium/drivers/radeon/r600d_common.h  |  2 ++
 3 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/src/gallium/drivers/r600/evergreen_state.c 
b/src/gallium/drivers/r600/evergreen_state.c
index 6e0c448..78fe87e 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -1582,12 +1582,17 @@ static void evergreen_emit_msaa_state(struct 
r600_context *rctx, int nr_samples,
                                     S_028C00_EXPAND_LINE_WIDTH(1)); /* 
R_028C00_PA_SC_LINE_CNTL */
                radeon_emit(cs, 
S_028C04_MSAA_NUM_SAMPLES(util_logbase2(nr_samples)) |
                                     S_028C04_MAX_SAMPLE_DIST(max_dist)); /* 
R_028C04_PA_SC_AA_CONFIG */
-               radeon_set_context_reg(cs, EG_R_028A4C_PA_SC_MODE_CNTL_1, 
EG_S_028A4C_PS_ITER_SAMPLE(ps_iter_samples > 1));
+               radeon_set_context_reg(cs, EG_R_028A4C_PA_SC_MODE_CNTL_1,
+                                      
EG_S_028A4C_PS_ITER_SAMPLE(ps_iter_samples > 1) |
+                                      EG_S_028A4C_FORCE_EOV_CNTDWN_ENABLE(1) |
+                                      EG_S_028A4C_FORCE_EOV_REZ_ENABLE(1));
        } else {
                radeon_set_context_reg_seq(cs, R_028C00_PA_SC_LINE_CNTL, 2);
                radeon_emit(cs, S_028C00_LAST_PIXEL(1)); /* 
R_028C00_PA_SC_LINE_CNTL */
                radeon_emit(cs, 0); /* R_028C04_PA_SC_AA_CONFIG */
-               radeon_set_context_reg(cs, EG_R_028A4C_PA_SC_MODE_CNTL_1, 0);
+               radeon_set_context_reg(cs, EG_R_028A4C_PA_SC_MODE_CNTL_1,
+                                      EG_S_028A4C_FORCE_EOV_CNTDWN_ENABLE(1) |
+                                      EG_S_028A4C_FORCE_EOV_REZ_ENABLE(1));
        }
 }
 
diff --git a/src/gallium/drivers/radeon/cayman_msaa.c 
b/src/gallium/drivers/radeon/cayman_msaa.c
index c6afa82..81f4112 100644
--- a/src/gallium/drivers/radeon/cayman_msaa.c
+++ b/src/gallium/drivers/radeon/cayman_msaa.c
@@ -229,13 +229,17 @@ void cayman_emit_msaa_config(struct radeon_winsys_cs *cs, 
int nr_samples,
                                               
S_028804_HIGH_QUALITY_INTERSECTIONS(1) |
                                               
S_028804_STATIC_ANCHOR_ASSOCIATIONS(1));
                        radeon_set_context_reg(cs, 
EG_R_028A4C_PA_SC_MODE_CNTL_1,
-                                            
EG_S_028A4C_PS_ITER_SAMPLE(ps_iter_samples > 1));
+                                              
EG_S_028A4C_PS_ITER_SAMPLE(ps_iter_samples > 1) |
+                                              
EG_S_028A4C_FORCE_EOV_CNTDWN_ENABLE(1) |
+                                              
EG_S_028A4C_FORCE_EOV_REZ_ENABLE(1));
                } else if (overrast_samples > 1) {
                        radeon_set_context_reg(cs, CM_R_028804_DB_EQAA,
                                               
S_028804_HIGH_QUALITY_INTERSECTIONS(1) |
                                               
S_028804_STATIC_ANCHOR_ASSOCIATIONS(1) |
                                               
S_028804_OVERRASTERIZATION_AMOUNT(log_samples));
-                       radeon_set_context_reg(cs, 
EG_R_028A4C_PA_SC_MODE_CNTL_1, 0);
+                       radeon_set_context_reg(cs, 
EG_R_028A4C_PA_SC_MODE_CNTL_1,
+                                              
EG_S_028A4C_FORCE_EOV_CNTDWN_ENABLE(1) |
+                                              
EG_S_028A4C_FORCE_EOV_REZ_ENABLE(1));
                }
        } else {
                radeon_set_context_reg_seq(cs, CM_R_028BDC_PA_SC_LINE_CNTL, 2);
@@ -245,6 +249,8 @@ void cayman_emit_msaa_config(struct radeon_winsys_cs *cs, 
int nr_samples,
                radeon_set_context_reg(cs, CM_R_028804_DB_EQAA,
                                       S_028804_HIGH_QUALITY_INTERSECTIONS(1) |
                                       S_028804_STATIC_ANCHOR_ASSOCIATIONS(1));
-               radeon_set_context_reg(cs, EG_R_028A4C_PA_SC_MODE_CNTL_1, 0);
+               radeon_set_context_reg(cs, EG_R_028A4C_PA_SC_MODE_CNTL_1,
+                                      EG_S_028A4C_FORCE_EOV_CNTDWN_ENABLE(1) |
+                                      EG_S_028A4C_FORCE_EOV_REZ_ENABLE(1));
        }
 }
diff --git a/src/gallium/drivers/radeon/r600d_common.h 
b/src/gallium/drivers/radeon/r600d_common.h
index b8e6564..eeec6ef 100644
--- a/src/gallium/drivers/radeon/r600d_common.h
+++ b/src/gallium/drivers/radeon/r600d_common.h
@@ -179,6 +179,8 @@
 
 #define EG_R_028A4C_PA_SC_MODE_CNTL_1                0x028A4C
 #define   EG_S_028A4C_PS_ITER_SAMPLE(x)                 (((x) & 0x1) << 16)
+#define   EG_S_028A4C_FORCE_EOV_CNTDWN_ENABLE(x)        (((x) & 0x1) << 25)
+#define   EG_S_028A4C_FORCE_EOV_REZ_ENABLE(x)           (((x) & 0x1) << 26)
 
 #define CM_R_028804_DB_EQAA                          0x00028804
 #define   S_028804_MAX_ANCHOR_SAMPLES(x)               (((x) & 0x7) << 0)
-- 
2.1.4

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