Mesa (master): winsys/amdgpu: initial SI support

[Marek Olšák]

Module: Mesa
Branch: master
Commit: 97b55243fbea9b5d0e76217e986e85b96fd09f93
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=97b55243fbea9b5d0e76217e986e85b96fd09f93

Author: Ronie Salgado <roniesalg at gmail.com>
Date:   Thu Feb 11 06:17:33 2016 -0300

winsys/amdgpu: initial SI support

Signed-off-by: Marek Olšák <marek.olsak at amd.com>
Reviewed-by: Edward O'Callaghan <funfunctor at folklore1984.net>

---

 src/gallium/winsys/amdgpu/drm/amdgpu_cs.c      | 18 ++++++++++++++----
 src/gallium/winsys/amdgpu/drm/amdgpu_surface.c |  9 +++++++--
 src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c  | 25 +++++++++++++++++++++++++
 3 files changed, 46 insertions(+), 6 deletions(-)

diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c b/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c
index b171cc5..bf3e306 100644
--- a/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c
+++ b/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c
@@ -980,13 +980,23 @@ static int amdgpu_cs_flush(struct radeon_winsys_cs *rcs,
    switch (cs->ring_type) {
    case RING_DMA:
       /* pad DMA ring to 8 DWs */
-      while (rcs->current.cdw & 7)
-         OUT_CS(rcs, 0x00000000); /* NOP packet */
+      if (ws->info.chip_class <= SI) {
+         while (rcs->current.cdw & 7)
+            OUT_CS(rcs, 0xf0000000); /* NOP packet */
+      } else {
+         while (rcs->current.cdw & 7)
+            OUT_CS(rcs, 0x00000000); /* NOP packet */
+      }
       break;
    case RING_GFX:
       /* pad GFX ring to 8 DWs to meet CP fetch alignment requirements */
-      while (rcs->current.cdw & 7)
-         OUT_CS(rcs, 0xffff1000); /* type3 nop packet */
+      if (ws->info.gfx_ib_pad_with_type2) {
+         while (rcs->current.cdw & 7)
+            OUT_CS(rcs, 0x80000000); /* type2 nop packet */
+      } else {
+         while (rcs->current.cdw & 7)
+            OUT_CS(rcs, 0xffff1000); /* type3 nop packet */
+      }
 
       /* Also pad the const IB. */
       if (cs->const_ib.ib_mapped)
diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_surface.c b/src/gallium/winsys/amdgpu/drm/amdgpu_surface.c
index 615d5a2..9466e7c 100644
--- a/src/gallium/winsys/amdgpu/drm/amdgpu_surface.c
+++ b/src/gallium/winsys/amdgpu/drm/amdgpu_surface.c
@@ -126,8 +126,13 @@ ADDR_HANDLE amdgpu_addr_create(struct amdgpu_winsys *ws)
    regValue.backendDisables = ws->amdinfo.backend_disable[0];
    regValue.pTileConfig = ws->amdinfo.gb_tile_mode;
    regValue.noOfEntries = ARRAY_SIZE(ws->amdinfo.gb_tile_mode);
-   regValue.pMacroTileConfig = ws->amdinfo.gb_macro_tile_mode;
-   regValue.noOfMacroEntries = ARRAY_SIZE(ws->amdinfo.gb_macro_tile_mode);
+   if (ws->info.chip_class == SI) {
+      regValue.pMacroTileConfig = NULL;
+      regValue.noOfMacroEntries = 0;
+   } else {
+      regValue.pMacroTileConfig = ws->amdinfo.gb_macro_tile_mode;
+      regValue.noOfMacroEntries = ARRAY_SIZE(ws->amdinfo.gb_macro_tile_mode);
+   }
 
    createFlags.value = 0;
    createFlags.useTileIndex = 1;
diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c b/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c
index d8aed8b..0ae1861 100644
--- a/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c
+++ b/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c
@@ -215,6 +215,8 @@ static bool do_winsys_init(struct amdgpu_winsys *ws, int fd)
       ws->info.chip_class = VI;
    else if (ws->info.family >= CHIP_BONAIRE)
       ws->info.chip_class = CIK;
+   else if (ws->info.family >= CHIP_TAHITI)
+      ws->info.chip_class = SI;
    else {
       fprintf(stderr, "amdgpu: Unknown family.\n");
       goto fail;
@@ -230,6 +232,26 @@ static bool do_winsys_init(struct amdgpu_winsys *ws, int fd)
 
    /* family and rev_id are for addrlib */
    switch (ws->info.family) {
+   case CHIP_TAHITI:
+      ws->family = FAMILY_SI;
+      ws->rev_id = SI_TAHITI_P_A0;
+      break;
+   case CHIP_PITCAIRN:
+      ws->family = FAMILY_SI;
+      ws->rev_id = SI_PITCAIRN_PM_A0;
+      break;
+   case CHIP_VERDE:
+      ws->family = FAMILY_SI;
+      ws->rev_id = SI_CAPEVERDE_M_A0;
+      break;
+   case CHIP_OLAND:
+      ws->family = FAMILY_SI;
+      ws->rev_id = SI_OLAND_M_A0;
+      break;
+   case CHIP_HAINAN:
+      ws->family = FAMILY_SI;
+      ws->rev_id = SI_HAINAN_V_A0;
+      break;
    case CHIP_BONAIRE:
       ws->family = FAMILY_CI;
       ws->rev_id = CI_BONAIRE_M_A0;
@@ -331,6 +353,9 @@ static bool do_winsys_init(struct amdgpu_winsys *ws, int fd)
 
    ws->info.gart_page_size = alignment_info.size_remote;
 
+   if (ws->info.chip_class == SI)
+      ws->info.gfx_ib_pad_with_type2 = TRUE;
+
    ws->check_vm = strstr(debug_get_option("R600_DEBUG", ""), "check_vm") != NULL;
 
    return true;