drm/radeon/kms: add cayman CS check support

Added to existing evergreen CS checker.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

3 files changed, 62 insertions, 4 deletions

diff --git a/drivers/gpu/drm/radeon/Makefile b/drivers/gpu/drm/radeon/Makefile
index acdde40e8e5d..3896ef811102 100644
--- a/drivers/gpu/drm/radeon/Makefile
+++ b/drivers/gpu/drm/radeon/Makefile
@@ -53,7 +53,7 @@ $(obj)/rs600.o: $(obj)/rs600_reg_safe.h
 
 $(obj)/r600_cs.o: $(obj)/r600_reg_safe.h
 
-$(obj)/evergreen_cs.o: $(obj)/evergreen_reg_safe.h
+$(obj)/evergreen_cs.o: $(obj)/evergreen_reg_safe.h $(obj)/cayman_reg_safe.h
 
 radeon-y := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o \
         radeon_irq.o r300_cmdbuf.o r600_cp.o
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index 5c84fca00d36..5021bd2c1613 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -29,6 +29,7 @@
 #include "radeon.h"
 #include "evergreend.h"
 #include "evergreen_reg_safe.h"
+#include "cayman_reg_safe.h"
 
 static int evergreen_cs_packet_next_reloc(struct radeon_cs_parser *p,
                                           struct radeon_cs_reloc **cs_reloc);
@@ -425,18 +426,28 @@ static inline int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u3
 {
         struct evergreen_cs_track *track = (struct evergreen_cs_track *)p->track;
         struct radeon_cs_reloc *reloc;
-        u32 last_reg = ARRAY_SIZE(evergreen_reg_safe_bm);
+        u32 last_reg;
         u32 m, i, tmp, *ib;
         int r;
 
+        if (p->rdev->family >= CHIP_CAYMAN)
+                last_reg = ARRAY_SIZE(cayman_reg_safe_bm);
+        else
+                last_reg = ARRAY_SIZE(evergreen_reg_safe_bm);
+
         i = (reg >> 7);
         if (i > last_reg) {
                 dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
                 return -EINVAL;
         }
         m = 1 << ((reg >> 2) & 31);
-        if (!(evergreen_reg_safe_bm[i] & m))
-                return 0;
+        if (p->rdev->family >= CHIP_CAYMAN) {
+                if (!(cayman_reg_safe_bm[i] & m))
+                        return 0;
+        } else {
+                if (!(evergreen_reg_safe_bm[i] & m))
+                        return 0;
+        }
         ib = p->ib->ptr;
         switch (reg) {
         /* force following reg to 0 in an attemp to disable out buffer
@@ -474,6 +485,20 @@ static inline int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u3
         case DB_DEPTH_CONTROL:
                 track->db_depth_control = radeon_get_ib_value(p, idx);
                 break;
+        case CAYMAN_DB_EQAA:
+                if (p->rdev->family < CHIP_CAYMAN) {
+                        dev_warn(p->dev, "bad SET_CONTEXT_REG "
+                                 "0x%04X\n", reg);
+                        return -EINVAL;
+                }
+                break;
+        case CAYMAN_DB_DEPTH_INFO:
+                if (p->rdev->family < CHIP_CAYMAN) {
+                        dev_warn(p->dev, "bad SET_CONTEXT_REG "
+                                 "0x%04X\n", reg);
+                        return -EINVAL;
+                }
+                break;
         case DB_Z_INFO:
                 r = evergreen_cs_packet_next_reloc(p, &reloc);
                 if (r) {
@@ -559,9 +584,23 @@ static inline int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u3
                 track->cb_shader_mask = radeon_get_ib_value(p, idx);
                 break;
         case PA_SC_AA_CONFIG:
+                if (p->rdev->family >= CHIP_CAYMAN) {
+                        dev_warn(p->dev, "bad SET_CONTEXT_REG "
+                                 "0x%04X\n", reg);
+                        return -EINVAL;
+                }
                 tmp = radeon_get_ib_value(p, idx) & MSAA_NUM_SAMPLES_MASK;
                 track->nsamples = 1 << tmp;
                 break;
+        case CAYMAN_PA_SC_AA_CONFIG:
+                if (p->rdev->family < CHIP_CAYMAN) {
+                        dev_warn(p->dev, "bad SET_CONTEXT_REG "
+                                 "0x%04X\n", reg);
+                        return -EINVAL;
+                }
+                tmp = radeon_get_ib_value(p, idx) & CAYMAN_MSAA_NUM_SAMPLES_MASK;
+                track->nsamples = 1 << tmp;
+                break;
         case CB_COLOR0_VIEW:
         case CB_COLOR1_VIEW:
         case CB_COLOR2_VIEW:
@@ -987,6 +1026,16 @@ static int evergreen_packet3_check(struct radeon_cs_parser *p,
                         return -EINVAL;
                 }
                 break;
+        case CAYMAN_PACKET3_DEALLOC_STATE:
+                if (p->rdev->family < CHIP_CAYMAN) {
+                        DRM_ERROR("bad PACKET3_DEALLOC_STATE\n");
+                        return -EINVAL;
+                }
+                if (pkt->count) {
+                        DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES/CLEAR_STATE\n");
+                        return -EINVAL;
+                }
+                break;
         case PACKET3_INDEX_BASE:
                 if (pkt->count != 1) {
                         DRM_ERROR("bad INDEX_BASE\n");
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index afec1aca2a73..328f2a4d1962 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -1092,5 +1092,14 @@
 #define SQ_TEX_RESOURCE_WORD6_0                         0x30018
 #define SQ_TEX_RESOURCE_WORD7_0                         0x3001c
 
+/* cayman 3D regs */
+#define CAYMAN_VGT_OFFCHIP_LDS_BASE                     0x89B0
+#define CAYMAN_DB_EQAA                                  0x28804
+#define CAYMAN_DB_DEPTH_INFO                            0x2803C
+#define CAYMAN_PA_SC_AA_CONFIG                          0x28BE0
+#define         CAYMAN_MSAA_NUM_SAMPLES_SHIFT           0
+#define         CAYMAN_MSAA_NUM_SAMPLES_MASK            0x7
+/* cayman packet3 addition */
+#define CAYMAN_PACKET3_DEALLOC_STATE                    0x14
 
 #endif