r600g: cs init fixes

- all asics need to emit CONTEXT_CONTROL
- all r6xx asics need to emit 3D_START_CMDBUF

The ddx and r600c already do this. r600g should as well.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>

diff --git a/src/gallium/winsys/r600/drm/evergreen_hw_context.c b/src/gallium/winsys/r600/drm/evergreen_hw_context.c
index 6fcb54f..fc42c41 100644 (file)
--- a/src/gallium/winsys/r600/drm/evergreen_hw_context.c
+++ b/src/gallium/winsys/r600/drm/evergreen_hw_context.c
@@ -1003,6 +1003,8 @@ int evergreen_context_init(struct r600_context *ctx, struct radeon *radeon)
                r = -ENOMEM;
                goto out_err;
        }
+
+       r600_init_cs(ctx);
        /* save 16dwords space for fence mecanism */
        ctx->pm4_ndwords -= 16;
 

diff --git a/src/gallium/winsys/r600/drm/r600_hw_context.c b/src/gallium/winsys/r600/drm/r600_hw_context.c
index 84b56e3..ffcc15b 100644 (file)
--- a/src/gallium/winsys/r600/drm/r600_hw_context.c
+++ b/src/gallium/winsys/r600/drm/r600_hw_context.c
@@ -40,8 +40,14 @@
 
 #define GROUP_FORCE_NEW_BLOCK  0
 
-static void r600_init_cs(struct r600_context *ctx)
+void r600_init_cs(struct r600_context *ctx)
 {
+       /* R6xx requires this packet at the start of each command buffer */
+       if (ctx->radeon->family < CHIP_RV770) {
+               ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_START_3D_CMDBUF, 0, 0);
+               ctx->pm4[ctx->pm4_cdwords++] = 0x00000000;
+       }
+       /* All asics require this one */
        ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_CONTEXT_CONTROL, 1, 0);
        ctx->pm4[ctx->pm4_cdwords++] = 0x80000000;
        ctx->pm4[ctx->pm4_cdwords++] = 0x80000000;
@@ -788,8 +794,7 @@ int r600_context_init(struct r600_context *ctx, struct radeon *radeon)
                goto out_err;
        }
 
-       if (ctx->radeon->family == CHIP_R600)
-               r600_init_cs(ctx);
+       r600_init_cs(ctx);
        /* save 16dwords space for fence mecanism */
        ctx->pm4_ndwords -= 16;
 
@@ -1395,8 +1400,7 @@ void r600_context_flush(struct r600_context *ctx)
        ctx->pm4_cdwords = 0;
        ctx->flags = 0;
 
-       if (ctx->radeon->family == CHIP_R600)
-               r600_init_cs(ctx);
+       r600_init_cs(ctx);
 
        /* resume queries */
        r600_context_queries_resume(ctx);

diff --git a/src/gallium/winsys/r600/drm/r600_priv.h b/src/gallium/winsys/r600/drm/r600_priv.h
index 2e6a437..d785ede 100644 (file)
--- a/src/gallium/winsys/r600/drm/r600_priv.h
+++ b/src/gallium/winsys/r600/drm/r600_priv.h
@@ -166,6 +166,7 @@ int r600_setup_block_table(struct r600_context *ctx);
 void r600_context_reg(struct r600_context *ctx,
                      unsigned offset, unsigned value,
                      unsigned mask);
+void r600_init_cs(struct r600_context *ctx);
 /*
  * r600_bo.c
  */